Merge pull request #7373 from nocodb/nc-feat/crupby

feat: CreatedBy & LastModifiedBy

packages/nc-gui/components/cell/ReadOnlyUser.vue

@@ -0,0 +1,22 @@
+<script setup lang="ts">
+import { ActiveCellInj, EditModeInj, ReadonlyInj, provide, ref } from '#imports'
+
+interface Props {
+  modelValue?: string | null
+}
+
+defineProps<Props>()
+
+provide(ReadonlyInj, ref(true))
+
+provide(EditModeInj, ref(true))
+
+provide(ActiveCellInj, ref(true))
+</script>
+
+<template>
+  <div class="relative">
+    <LazyCellUser class="z-0" :model-value="modelValue" />
+    <div class="w-full h-full z-1 absolute top-0 left-0"></div>
+  </div>
+</template>

packages/nc-gui/components/cell/User.vue

@@ -27,7 +27,7 @@ import {
 import MdiCloseCircle from '~icons/mdi/close-circle'
 
 interface Props {
-  modelValue?: UserFieldRecordType[] | string | null
+  modelValue?: UserFieldRecordType[] | UserFieldRecordType | string | null
   rowIndex?: number
   location?: 'cell' | 'filter'
   forceMulti?: boolean
@@ -113,17 +113,18 @@ const vModel = computed({
         return acc
       }, [] as { label: string; value: string }[])
     } else {
-      selected =
-        modelValue?.reduce((acc, item) => {
-          const label = item?.display_name || item?.email
-          if (label) {
-            acc.push({
-              label,
-              value: item.id,
-            })
-          }
-          return acc
-        }, [] as { label: string; value: string }[]) || []
+      selected = modelValue
+        ? (Array.isArray(modelValue) ? modelValue : [modelValue]).reduce((acc, item) => {
+            const label = item?.display_name || item?.email
+            if (label) {
+              acc.push({
+                label,
+                value: item.id,
+              })
+            }
+            return acc
+          }, [] as { label: string; value: string }[])
+        : []
     }
 
     return selected

packages/nc-gui/components/erd/utils.ts

@@ -175,9 +175,10 @@ export function useErdElements(tables: MaybeRef<TableType[]>, props: MaybeRef<ER
       if (!table.id) return acc
 
       const columns =
-        metasWithIdAsKey.value[table.id].columns?.filter(
-          (col) => config.value.showAllColumns || (!config.value.showAllColumns && isLinksOrLTAR(col)),
-        ) || []
+        metasWithIdAsKey.value[table.id].columns?.filter((col) => {
+          if ([UITypes.CreatedBy, UITypes.LastModifiedBy].includes(col.uidt as UITypes) && col.system) return false
+          return config.value.showAllColumns || (!config.value.showAllColumns && isLinksOrLTAR(col))
+        }) || []
 
       const pkAndFkColumns = columns
         .filter(() => config.value.showPkAndFk)

packages/nc-gui/components/smartsheet/Form.vue

@@ -43,6 +43,8 @@ const hiddenColTypes = [
   UITypes.SpecificDBType,
   UITypes.CreatedTime,
   UITypes.LastModifiedTime,
+  UITypes.CreatedBy,
+  UITypes.LastModifiedBy,
 ]
 
 const { isMobileMode, user } = useGlobal()

packages/nc-gui/components/smartsheet/VirtualCell.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import type { ColumnType } from 'nocodb-sdk'
-import { isCreatedOrLastModifiedTimeCol } from 'nocodb-sdk'
+import { isCreatedOrLastModifiedByCol, isCreatedOrLastModifiedTimeCol } from 'nocodb-sdk'
 import {
   ActiveCellInj,
   CellValueInj,
@@ -118,6 +118,7 @@ onUnmounted(() => {
       <LazyVirtualCellCount v-else-if="isCount(column)" />
       <LazyVirtualCellLookup v-else-if="isLookup(column)" />
       <LazyCellReadOnlyDateTimePicker v-else-if="isCreatedOrLastModifiedTimeCol(column)" :model-value="modelValue" />
+      <LazyCellReadOnlyUser v-else-if="isCreatedOrLastModifiedByCol(column)" :model-value="modelValue" />
     </template>
   </div>
 </template>

packages/nc-gui/components/smartsheet/column/EditOrAdd.vue

@@ -86,6 +86,8 @@ const onlyNameUpdateOnEditColumns = [
   UITypes.Links,
   UITypes.CreatedTime,
   UITypes.LastModifiedTime,
+  UITypes.CreatedBy,
+  UITypes.LastModifiedBy,
 ]
 
 // To close column type dropdown on escape and

packages/nc-gui/components/smartsheet/column/FormulaOptions.vue

@@ -5,6 +5,7 @@ import jsep from 'jsep'
 import {
   FormulaError,
   UITypes,
+  isCreatedOrLastModifiedByCol,
   jsepCurlyHook,
   substituteColumnIdWithAliasInFormula,
   validateFormulaAndExtractTreeWithType,
@@ -51,7 +52,18 @@ const { predictFunction: _predictFunction } = useNocoEe()
 const meta = inject(MetaInj, ref())
 
 const supportedColumns = computed(
-  () => meta?.value?.columns?.filter((col) => !uiTypesNotSupportedInFormulas.includes(col.uidt as UITypes)) || [],
+  () =>
+    meta?.value?.columns?.filter((col) => {
+      if (uiTypesNotSupportedInFormulas.includes(col.uidt as UITypes)) {
+        return false
+      }
+
+      if (isCreatedOrLastModifiedByCol(col) && col.system) {
+        return false
+      }
+
+      return true
+    }) || [],
 )
 const { getMeta } = useMetas()
 

packages/nc-gui/components/smartsheet/expanded-form/index.vue

@@ -1,6 +1,13 @@
 <script setup lang="ts">
 import type { ColumnType, TableType, ViewType } from 'nocodb-sdk'
-import { ViewTypes, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
+import {
+  ViewTypes,
+  isCreatedOrLastModifiedByCol,
+  isCreatedOrLastModifiedTimeCol,
+  isLinksOrLTAR,
+  isSystemColumn,
+  isVirtualCol,
+} from 'nocodb-sdk'
 import type { Ref } from 'vue'
 import MdiChevronDown from '~icons/mdi/chevron-down'
 
@@ -459,7 +466,14 @@ const onIsExpandedUpdate = (v: boolean) => {
 
 const isReadOnlyVirtualCell = (column: ColumnType) => {
   return (
-    isRollup(column) || isFormula(column) || isBarcode(column) || isLookup(column) || isQrCode(column) || isSystemColumn(column)
+    isRollup(column) ||
+    isFormula(column) ||
+    isBarcode(column) ||
+    isLookup(column) ||
+    isQrCode(column) ||
+    isSystemColumn(column) ||
+    isCreatedOrLastModifiedTimeCol(column) ||
+    isCreatedOrLastModifiedByCol(column)
   )
 }
 

packages/nc-gui/components/smartsheet/grid/GroupBy.vue

@@ -169,7 +169,7 @@ const parseKey = (group: Group) => {
     return [parseStringDateTime(key, timeFormats[0], false)]
   }
 
-  if (key && group.column?.uidt === UITypes.User) {
+  if (key && [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(group.column?.uidt as UITypes)) {
     try {
       const parsedKey = JSON.parse(key)
       return [parsedKey]
@@ -192,6 +192,8 @@ const shouldRenderCell = (column) =>
     UITypes.DateTime,
     UITypes.CreatedTime,
     UITypes.LastModifiedTime,
+    UITypes.CreatedBy,
+    UITypes.LastModifiedBy,
   ].includes(column?.uidt)
 </script>
 

packages/nc-gui/components/smartsheet/grid/Table.vue

@@ -2,7 +2,15 @@
 import axios from 'axios'
 import { nextTick } from '@vue/runtime-core'
 import { type ColumnReqType, type ColumnType, type PaginatedType, type TableType, type ViewType } from 'nocodb-sdk'
-import { UITypes, ViewTypes, isCreatedOrLastModifiedTimeCol, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
+import {
+  UITypes,
+  ViewTypes,
+  isCreatedOrLastModifiedByCol,
+  isCreatedOrLastModifiedTimeCol,
+  isLinksOrLTAR,
+  isSystemColumn,
+  isVirtualCol,
+} from 'nocodb-sdk'
 import { useColumnDrag } from './useColumnDrag'
 
 import usePaginationShortcuts from './usePaginationShortcuts'
@@ -1011,7 +1019,8 @@ const showFillHandle = computed(
       isLookup(fields.value[activeCell.col]) ||
       isRollup(fields.value[activeCell.col]) ||
       isFormula(fields.value[activeCell.col]) ||
-      isCreatedOrLastModifiedTimeCol(fields.value[activeCell.col])
+      isCreatedOrLastModifiedTimeCol(fields.value[activeCell.col]) ||
+      isCreatedOrLastModifiedByCol(fields.value[activeCell.col])
     ),
 )
 
@@ -1574,7 +1583,8 @@ onKeyStroke('ArrowDown', onDown)
                           (isLookup(columnObj) ||
                             isRollup(columnObj) ||
                             isFormula(columnObj) ||
-                            isCreatedOrLastModifiedTimeCol(columnObj)) &&
+                            isCreatedOrLastModifiedTimeCol(columnObj) ||
+                            isCreatedOrLastModifiedByCol(columnObj)) &&
                           hasEditPermission &&
                           isCellSelected(rowIndex, colIndex),
                         '!border-r-blue-400 !border-r-3': toBeDroppedColId === columnObj.id,

packages/nc-gui/components/smartsheet/header/Menu.vue

@@ -129,6 +129,7 @@ const duplicateVirtualColumn = async () => {
     id: undefined,
     colOptions: undefined,
     order: undefined,
+    system: false,
   }
 
   try {
@@ -166,7 +167,17 @@ const duplicateVirtualColumn = async () => {
 
 const openDuplicateDlg = async () => {
   if (!column?.value) return
-  if (column.value.uidt && [UITypes.Lookup, UITypes.Rollup].includes(column.value.uidt as UITypes)) {
+  if (
+    column.value.uidt &&
+    [
+      UITypes.Lookup,
+      UITypes.Rollup,
+      UITypes.CreatedTime,
+      UITypes.LastModifiedTime,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
+    ].includes(column.value.uidt as UITypes)
+  ) {
     duplicateVirtualColumn()
   } else {
     const gridViewColumnList = (await $api.dbViewColumn.list(view.value?.id as string)).list

packages/nc-gui/components/smartsheet/header/VirtualCellIcon.ts

@@ -65,6 +65,9 @@ const renderIcon = (column: ColumnType, relationColumn?: ColumnType) => {
     case UITypes.CreatedTime:
     case UITypes.LastModifiedTime:
       return { icon: iconMap.datetime, color: 'text-grey' }
+    case UITypes.CreatedBy:
+    case UITypes.LastModifiedBy:
+      return { icon: iconMap.phUser, color: 'text-grey' }
   }
 
   return { icon: iconMap.generic, color: 'text-grey' }

packages/nc-gui/components/smartsheet/toolbar/CreateGroupBy.vue

@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import type { ColumnType, LinkToAnotherRecordType } from 'nocodb-sdk'
-import { RelationTypes, UITypes, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
 
 const props = defineProps<{
   // As we need to focus search box when the parent is opened
@@ -39,6 +39,12 @@ const options = computed<ColumnType[]>(
             /** ignore virtual fields which are system fields ( mm relation ) and qr code fields */
             return false
           }
+
+          if (isCreatedOrLastModifiedByCol(c)) {
+            /** ignore created by and last modified by system field */
+            return false
+          }
+
           return showSystemFields.value
         } else if (c.uidt === UITypes.QrCode || c.uidt === UITypes.Barcode || c.uidt === UITypes.ID) {
           return false

packages/nc-gui/components/smartsheet/toolbar/CreateSort.vue

@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import type { ColumnType, LinkToAnotherRecordType } from 'nocodb-sdk'
-import { RelationTypes, UITypes, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
 
 const props = defineProps<{
   // As we need to focus search box when the parent is opened
@@ -33,6 +33,11 @@ const options = computed<ColumnType[]>(
           return true
         }
         if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
+          if (isCreatedOrLastModifiedByCol(c)) {
+            /** ignore created by and last modified by system field */
+            return false
+          }
+
           return (
             /** hide system columns if not enabled */
             showSystemFields.value

packages/nc-gui/components/smartsheet/toolbar/FieldListAutoCompleteDropdown.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import type { SelectProps } from 'ant-design-vue'
 import type { ColumnType, LinkToAnotherRecordType } from 'nocodb-sdk'
-import { RelationTypes, UITypes, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
 import { MetaInj, computed, inject, ref, resolveComponent, useViewColumnsOrThrow } from '#imports'
 
 const { modelValue, isSort, allowEmpty, ...restProps } = defineProps<{
@@ -26,12 +26,25 @@ const { showSystemFields, metaColumnById } = useViewColumnsOrThrow()
 
 const options = computed<SelectProps['options']>(() =>
   (
-    customColumns.value ||
+    customColumns.value?.filter((c: ColumnType) => {
+      if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
+        if (isCreatedOrLastModifiedByCol(c)) {
+          /** ignore created by and last modified by system field */
+          return false
+        }
+      }
+      return true
+    }) ||
     meta.value?.columns?.filter((c: ColumnType) => {
       if (c.uidt === UITypes.Links) {
         return true
       }
       if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
+        if (isCreatedOrLastModifiedByCol(c)) {
+          /** ignore created by and last modified by system field */
+          return false
+        }
+
         return (
           /** if the field is used in filter, then show it anyway */
           localValue.value === c.id ||

packages/nc-gui/components/smartsheet/toolbar/FilterInput.vue

@@ -19,6 +19,7 @@ import {
   isPercent,
   isRating,
   isReadonlyDateTime,
+  isReadonlyUser,
   isSingleSelect,
   isTextArea,
   isTime,
@@ -87,6 +88,7 @@ const checkTypeFunctions = {
   isTextArea,
   isLinks: (col: ColumnType) => col.uidt === UITypes.Links,
   isUser,
+  isReadonlyUser,
 }
 
 type FilterType = keyof typeof checkTypeFunctions
@@ -155,6 +157,7 @@ const componentMap: Partial<Record<FilterType, any>> = computed(() => {
     isFloat: Float,
     isLinks: Integer,
     isUser: User,
+    isReadonlyUser: User,
   }
 })
 
@@ -181,6 +184,12 @@ const componentProps = computed(() => {
     case 'isUser': {
       return { forceMulti: true }
     }
+    case 'isReadonlyUser': {
+      if (['anyof', 'nanyof'].includes(props.filter.comparison_op!)) {
+        return { forceMulti: true }
+      }
+      return {}
+    }
     default: {
       return {}
     }

packages/nc-gui/components/template/Editor.vue

@@ -105,6 +105,8 @@ const uiTypeOptions = ref<Option[]>(
           UITypes.ID,
           UITypes.CreatedTime,
           UITypes.LastModifiedTime,
+          UITypes.CreatedBy,
+          UITypes.LastModifiedBy,
           UITypes.Barcode,
           UITypes.Button,
         ].includes(UITypes[uiType]),

packages/nc-gui/components/virtual-cell/Lookup.vue

@@ -171,6 +171,8 @@ const { showEditNonEditableFieldWarning, showClearNonEditableFieldWarning, activ
                       UITypes.MultiSelect,
                       UITypes.SingleSelect,
                       UITypes.User,
+                      UITypes.CreatedBy,
+                      UITypes.LastModifiedBy,
                     ].includes(lookupColumn.uidt),
                     'min-h-0 min-w-0': isAttachment(lookupColumn),
                   }"

packages/nc-gui/composables/useData.ts

@@ -244,6 +244,7 @@ export function useData(args: {
                 col.uidt === UITypes.Checkbox ||
                 col.uidt === UITypes.User ||
                 col.uidt === UITypes.LastModifiedTime ||
+                col.uidt === UITypes.LastModifiedBy ||
                 col.uidt === UITypes.Lookup ||
                 col.au ||
                 (col.cdf && / on update /i.test(col.cdf)))
@@ -393,6 +394,7 @@ export function useData(args: {
           UITypes.Lookup,
           UITypes.Rollup,
           UITypes.LinkToAnotherRecord,
+          UITypes.LastModifiedBy,
         ].includes(col.uidt),
       )
     ) {

packages/nc-gui/composables/useMultiSelect/convertCellData.ts

@@ -195,7 +195,9 @@ export default function convertCellData(
 
       return validVals.join(',')
     }
-    case UITypes.User: {
+    case UITypes.User:
+    case UITypes.CreatedBy:
+    case UITypes.LastModifiedBy: {
       let parsedVal
       try {
         try {

packages/nc-gui/composables/useMultiSelect/index.ts

@@ -112,13 +112,15 @@ export function useMultiSelect(
       textToCopy = !!textToCopy
     }
 
-    if (columnObj.uidt === UITypes.User) {
-      if (textToCopy && Array.isArray(textToCopy)) {
-        textToCopy = textToCopy
-          .map((user: UserFieldRecordType) => {
-            return user.email
-          })
-          .join(', ')
+    if ([UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(columnObj.uidt as UITypes)) {
+      if (textToCopy) {
+        textToCopy = Array.isArray(textToCopy)
+          ? textToCopy
+          : [textToCopy]
+              .map((user: UserFieldRecordType) => {
+                return user.email
+              })
+              .join(', ')
       }
     }
 

packages/nc-gui/composables/useViewColumns.ts

@@ -1,4 +1,4 @@
-import { ViewTypes, isSystemColumn } from 'nocodb-sdk'
+import { ViewTypes, isCreatedOrLastModifiedByCol, isSystemColumn } from 'nocodb-sdk'
 import type { ColumnType, GridColumnReqType, GridColumnType, MapType, TableType, ViewType } from 'nocodb-sdk'
 import type { ComputedRef, Ref } from 'vue'
 import { computed, ref, storeToRefs, useBase, useNuxtApp, useRoles, useUndoRedo, watch } from '#imports'
@@ -70,7 +70,12 @@ const [useProvideViewColumns, useViewColumns] = useInjectionState(
         }, {})
 
         fields.value = meta.value?.columns
-          ?.map((column: ColumnType) => {
+          ?.filter((column: ColumnType) => {
+            // filter created by and last modified by system columns
+            if (isCreatedOrLastModifiedByCol(column) && column.system) return false
+            return true
+          })
+          .map((column: ColumnType) => {
             const currentColumnField = fieldById[column.id!] || {}
 
             return {

packages/nc-gui/composables/useViewGroupBy.ts

@@ -90,7 +90,7 @@ export const useViewGroupBy = (view: Ref<ViewType | undefined>, where?: Computed
       return value ? GROUP_BY_VARS.TRUE : GROUP_BY_VARS.FALSE
     }
 
-    if (col.uidt === UITypes.User) {
+    if ([UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(col.uidt as UITypes)) {
       if (!value) {
         return GROUP_BY_VARS.NULL
       }
@@ -161,11 +161,15 @@ export const useViewGroupBy = (view: Ref<ViewType | undefined>, where?: Computed
         acc += `${acc.length ? '~and' : ''}(${curr.title},${curr.key === GROUP_BY_VARS.TRUE ? 'checked' : 'notchecked'})`
       } else if ([UITypes.Date, UITypes.DateTime].includes(curr.column_uidt as UITypes)) {
         acc += `${acc.length ? '~and' : ''}(${curr.title},eq,exactDate,${curr.key})`
-      } else if (curr.column_uidt === UITypes.User) {
+      } else if ([UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(curr.column_uidt as UITypes)) {
         try {
           const value = JSON.parse(curr.key)
-          acc += `${acc.length ? '~and' : ''}(${curr.title},gb_eq,${value.map((v: any) => v.id).join(',')})`
-        } catch (e) {}
+          acc += `${acc.length ? '~and' : ''}(${curr.title},gb_eq,${(Array.isArray(value) ? value : [value])
+            .map((v: any) => v.id)
+            .join(',')})`
+        } catch (e) {
+          console.error(e)
+        }
       } else {
         acc += `${acc.length ? '~and' : ''}(${curr.title},gb_eq,${curr.key})`
       }

packages/nc-gui/utils/cell.ts

@@ -17,6 +17,8 @@ export const isDateTime = (column: ColumnType, abstractType: any) =>
   abstractType === 'datetime' || column.uidt === UITypes.DateTime
 export const isReadonlyDateTime = (column: ColumnType, _abstractType: any) =>
   column.uidt === UITypes.CreatedTime || column.uidt === UITypes.LastModifiedTime
+export const isReadonlyUser = (column: ColumnType, _abstractType: any) =>
+  column.uidt === UITypes.CreatedBy || column.uidt === UITypes.LastModifiedBy
 export const isJSON = (column: ColumnType) => column.uidt === UITypes.JSON
 export const isEnum = (column: ColumnType) => column.uidt === UITypes.SingleSelect
 export const isSingleSelect = (column: ColumnType) => column.uidt === UITypes.SingleSelect

packages/nc-gui/utils/columnUtils.ts

@@ -136,7 +136,7 @@ const uiTypes = [
   },
   {
     name: UITypes.User,
-    icon: iconMap.account,
+    icon: iconMap.phUser,
   },
   {
     name: UITypes.CreatedTime,
@@ -146,6 +146,14 @@ const uiTypes = [
     name: UITypes.LastModifiedTime,
     icon: iconMap.datetime,
   },
+  {
+    name: UITypes.CreatedBy,
+    icon: iconMap.phUser,
+  },
+  {
+    name: UITypes.LastModifiedBy,
+    icon: iconMap.phUser,
+  },
 ]
 
 const getUIDTIcon = (uidt: UITypes | string) => {

packages/nc-gui/utils/filterUtils.ts

@@ -95,13 +95,27 @@ export const comparisonOpList = (
     text: getEqText(fieldUiType),
     value: 'eq',
     ignoreVal: false,
-    excludedTypes: [UITypes.Checkbox, UITypes.MultiSelect, UITypes.Attachment, UITypes.User],
+    excludedTypes: [
+      UITypes.Checkbox,
+      UITypes.MultiSelect,
+      UITypes.Attachment,
+      UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
+    ],
   },
   {
     text: getNeqText(fieldUiType),
     value: 'neq',
     ignoreVal: false,
-    excludedTypes: [UITypes.Checkbox, UITypes.MultiSelect, UITypes.Attachment, UITypes.User],
+    excludedTypes: [
+      UITypes.Checkbox,
+      UITypes.MultiSelect,
+      UITypes.Attachment,
+      UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
+    ],
   },
   {
     text: getLikeText(fieldUiType),
@@ -112,6 +126,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Date,
       UITypes.DateTime,
@@ -128,6 +144,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Date,
       UITypes.DateTime,
@@ -144,6 +162,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Attachment,
       UITypes.LinkToAnotherRecord,
@@ -163,6 +183,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Attachment,
       UITypes.LinkToAnotherRecord,
@@ -183,6 +205,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Attachment,
       UITypes.LinkToAnotherRecord,
@@ -202,6 +226,8 @@ export const comparisonOpList = (
       UITypes.SingleSelect,
       UITypes.MultiSelect,
       UITypes.User,
+      UITypes.CreatedBy,
+      UITypes.LastModifiedBy,
       UITypes.Collaborator,
       UITypes.Attachment,
       UITypes.LinkToAnotherRecord,
@@ -215,25 +241,25 @@ export const comparisonOpList = (
     text: 'contains all of',
     value: 'allof',
     ignoreVal: false,
-    includedTypes: [UITypes.MultiSelect, UITypes.User],
+    includedTypes: [UITypes.MultiSelect, UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy],
   },
   {
     text: 'contains any of',
     value: 'anyof',
     ignoreVal: false,
-    includedTypes: [UITypes.MultiSelect, UITypes.SingleSelect, UITypes.User],
+    includedTypes: [UITypes.MultiSelect, UITypes.SingleSelect, UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy],
   },
   {
     text: 'does not contain all of',
     value: 'nallof',
     ignoreVal: false,
-    includedTypes: [UITypes.MultiSelect, UITypes.User],
+    includedTypes: [UITypes.MultiSelect, UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy],
   },
   {
     text: 'does not contain any of',
     value: 'nanyof',
     ignoreVal: false,
-    includedTypes: [UITypes.MultiSelect, UITypes.SingleSelect, UITypes.User],
+    includedTypes: [UITypes.MultiSelect, UITypes.SingleSelect, UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy],
   },
   {
     text: getGtText(fieldUiType),
@@ -382,7 +408,7 @@ export const comparisonSubOpList = (
       text: 'yesterday',
       value: 'yesterday',
       ignoreVal: true,
-      includedTypes: [...(isDateMonth ? [] : [UITypes.Date, UITypes.DateTim, UITypes.LastModifiedTime, UITypes.CreatedTimee])],
+      includedTypes: [...(isDateMonth ? [] : [UITypes.Date, UITypes.DateTime, UITypes.LastModifiedTime, UITypes.CreatedTime])],
     },
     {
       text: 'one week ago',

packages/nc-gui/utils/iconUtils.ts

@@ -19,23 +19,15 @@ import MdiTableLarge from '~icons/mdi/table-large'
 import TablerColumnInsertLeft from '~icons/tabler/column-insert-left'
 import TablerColumnInsertRight from '~icons/tabler/column-insert-right'
 import MdiEyeCircleOutline from '~icons/mdi/eye-circle-outline'
-import NcEye from '~icons/nc-icons/eye'
 import MsGroup from '~icons/material-symbols/groups-outline-rounded'
 import MsAddBoxOutline from '~icons/nc-icons/add-box'
 import MsDownloadRounded from '~icons/nc-icons/download'
 import LogosAirtable from '~icons/logos/airtable'
-import NcStar from '~icons/nc-icons/star'
-import NcUnStar from '~icons/nc-icons/star-remove'
 import MsSort from '~icons/material-symbols/sort'
 import MaterialSymbolsEdit from '~icons/material-symbols/edit-outline-rounded'
 import MaterialDuplicate from '~icons/material-symbols/file-copy-outline-rounded'
 import MaterialSymbolsWarningOutlineRounded from '~icons/material-symbols/warning-outline-rounded'
 import MaterialSymbolsDragIndicator from '~icons/ri/draggable'
-import NcSearch from '~icons/nc-icons/search'
-import NcCreditCard from '~icons/nc-icons/credit-card'
-import NcLayers from '~icons/nc-icons/layers'
-import NcUsers from '~icons/nc-icons/users'
-import NcCheck from '~icons/nc-icons/check'
 import PlusSquare from '~icons/nc-icons/plus-square'
 import MobileShare from '~icons/nc-icons/share'
 import PhLayout from '~icons/ph/layout'
@@ -58,27 +50,18 @@ import LogosDiscordIcon from '~icons/logos/discord-icon'
 import LogosRedditIcon from '~icons/logos/reddit-icon'
 import RiTwitterXFill from '~icons/ri/twitter-x-line'
 import PhGithubLogoLight from '~icons/ph/github-logo-light'
-import NcIconsRowHeightMedium from '~icons/nc-icons/row-height-medium'
-import NcIconsRowHeightShort from '~icons/nc-icons/row-height-short'
-import NcIconsRowHeightTall from '~icons/nc-icons/row-height-tall'
-import NcIconsRowHeightExtraTall from '~icons/nc-icons/row-height-extra-tall'
 import MsInfo from '~icons/material-symbols/info-outline-rounded'
 import PhSparkleFill from '~icons/ph/sparkle-fill'
-import NcArticle from '~icons/nc-icons/article'
 import MsDatabase from '~icons/mdi/database-outline'
 import MdiDatabaseSearch from '~icons/mdi/database-search'
 import MdiMagicStaff from '~icons/mdi/magic-staff'
 import PhCaretDoubleLeftThin from '~icons/ph/caret-double-left-light'
-import NcNotification from '~icons/material-symbols/notifications-outline'
 import Right from '~icons/material-symbols/chevron-right-rounded'
 import Left from '~icons/material-symbols/chevron-left-rounded'
 import Up from '~icons/material-symbols/keyboard-arrow-up-rounded'
 import Down from '~icons/material-symbols/keyboard-arrow-down-rounded'
 import PhTriangleFill from '~icons/ph/triangle-fill'
 import LcSend from '~icons/lucide/send'
-import NcCommentHere from '~icons/nc-icons/comment-here'
-import NcAddDataSource from '~icons/nc-icons/add-data-source'
-import NcDatabaseIcon from '~icons/nc-icons/database'
 
 import HasManyIcon from '~icons/nc-icons/hasmany'
 import ManytoManyIcon from '~icons/nc-icons/manytomany'
@@ -109,6 +92,25 @@ import Filter from '~icons/nc-icons/filter'
 import Group from '~icons/nc-icons/group'
 import Sort from '~icons/nc-icons/sort'
 
+// NocoDB Icons
+import NcEye from '~icons/nc-icons/eye'
+import NcStar from '~icons/nc-icons/star'
+import NcUnStar from '~icons/nc-icons/star-remove'
+import NcSearch from '~icons/nc-icons/search'
+import NcCreditCard from '~icons/nc-icons/credit-card'
+import NcLayers from '~icons/nc-icons/layers'
+import NcUsers from '~icons/nc-icons/users'
+import NcCheck from '~icons/nc-icons/check'
+import NcIconsRowHeightMedium from '~icons/nc-icons/row-height-medium'
+import NcIconsRowHeightShort from '~icons/nc-icons/row-height-short'
+import NcIconsRowHeightTall from '~icons/nc-icons/row-height-tall'
+import NcIconsRowHeightExtraTall from '~icons/nc-icons/row-height-extra-tall'
+import NcArticle from '~icons/nc-icons/article'
+import NcNotification from '~icons/material-symbols/notifications-outline'
+import NcCommentHere from '~icons/nc-icons/comment-here'
+import NcAddDataSource from '~icons/nc-icons/add-data-source'
+import NcDatabaseIcon from '~icons/nc-icons/database'
+
 // keep it for reference
 // todo: remove it after all icons are migrated
 /* export const iconMapOld = {

packages/nocodb-sdk/src/lib/Api.ts

@@ -433,7 +433,7 @@ export interface ColumnType {
     | 'Checkbox'
     | 'Collaborator'
     | 'Count'
-    | 'CreateTime'
+    | 'CreatedTime'
     | 'Currency'
     | 'Date'
     | 'DateTime'
@@ -464,7 +464,9 @@ export interface ColumnType {
     | 'Year'
     | 'QrCode'
     | 'Links'
-    | 'User';
+    | 'User'
+    | 'CreatedBy'
+    | 'LastModifiedBy';
   /** Is Unsigned? */
   un?: BoolType;
   /** Is unique? */
@@ -1751,7 +1753,7 @@ export interface NormalColumnRequestType {
     | 'Checkbox'
     | 'Collaborator'
     | 'Count'
-    | 'CreateTime'
+    | 'CreatedTime'
     | 'Currency'
     | 'Date'
     | 'DateTime'
@@ -1782,7 +1784,9 @@ export interface NormalColumnRequestType {
     | 'Year'
     | 'QrCode'
     | 'Links'
-    | 'User';
+    | 'User'
+    | 'CreatedBy'
+    | 'LastModifiedBy';
   /** Is this column unique? */
   un?: BoolType;
   /** Is this column unique? */

packages/nocodb-sdk/src/lib/UITypes.ts

@@ -40,6 +40,8 @@ enum UITypes {
   Button = 'Button',
   Links = 'Links',
   User = 'User',
+  CreatedBy = 'CreatedBy',
+  LastModifiedBy = 'LastModifiedBy',
 }
 
 export const numericUITypes = [
@@ -85,6 +87,8 @@ export function isVirtualCol(
     UITypes.Links,
     UITypes.CreatedTime,
     UITypes.LastModifiedTime,
+    UITypes.CreatedBy,
+    UITypes.LastModifiedBy,
     // UITypes.Count,
   ].includes(<UITypes>(typeof col === 'object' ? col?.uidt : col));
 }
@@ -100,6 +104,18 @@ export function isCreatedOrLastModifiedTimeCol(
   );
 }
 
+export function isCreatedOrLastModifiedByCol(
+  col:
+    | UITypes
+    | { readonly uidt: UITypes | string }
+    | ColumnReqType
+    | ColumnType
+) {
+  return [UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+    <UITypes>(typeof col === 'object' ? col?.uidt : col)
+  );
+}
+
 export function isLinksOrLTAR(
   colOrUidt: ColumnType | { uidt: UITypes | string } | UITypes | string
 ) {

packages/nocodb-sdk/src/lib/formulaHelpers.ts

@@ -1514,6 +1514,9 @@ async function extractColumnIdentifierType({
     case UITypes.PhoneNumber:
     case UITypes.Email:
     case UITypes.URL:
+    case UITypes.User:
+    case UITypes.CreatedBy:
+    case UITypes.LastModifiedBy:
       res.dataType = FormulaDataTypes.STRING;
       break;
     // numeric

packages/nocodb-sdk/src/lib/index.ts

@@ -14,6 +14,7 @@ export {
   isVirtualCol,
   isLinksOrLTAR,
   isCreatedOrLastModifiedTimeCol,
+  isCreatedOrLastModifiedByCol,
 } from '~/lib/UITypes';
 export { default as CustomAPI, FileType } from '~/lib/CustomAPI';
 export { default as TemplateGenerator } from '~/lib/TemplateGenerator';

packages/nocodb-sdk/src/lib/sqlUi/MssqlUi.ts

@@ -135,6 +135,52 @@ export class MssqlUi {
         uicn: '',
         system: true,
       },
+      {
+        column_name: 'created_by',
+        title: 'nc_created_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.CreatedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
+      {
+        column_name: 'updated_by',
+        title: 'nc_updated_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.LastModifiedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
     ];
   }
 

packages/nocodb-sdk/src/lib/sqlUi/MysqlUi.ts

@@ -139,6 +139,52 @@ export class MysqlUi {
         uicn: '',
         system: true,
       },
+      {
+        column_name: 'created_by',
+        title: 'nc_created_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.CreatedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
+      {
+        column_name: 'updated_by',
+        title: 'nc_updated_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.LastModifiedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
     ];
   }
 

packages/nocodb-sdk/src/lib/sqlUi/PgUi.ts

@@ -197,6 +197,52 @@ export class PgUi {
         uicn: '',
         system: true,
       },
+      {
+        column_name: 'created_by',
+        title: 'nc_created_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.CreatedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
+      {
+        column_name: 'updated_by',
+        title: 'nc_updated_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.LastModifiedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
     ];
   }
 
@@ -1568,7 +1614,7 @@ export class PgUi {
     }
   }
 
-  static getDataTypeForUiType(col: { uidt: UITypes }, idType?: IDType) {
+  static getDataTypeForUiType(col: { uidt: UITypes; }, idType?: IDType) {
     const colProp: any = {};
     switch (col.uidt) {
       case 'ID':
@@ -1709,7 +1755,7 @@ export class PgUi {
     return colProp;
   }
 
-  static getDataTypeListForUiType(col: { uidt?: UITypes }, idType: IDType) {
+  static getDataTypeListForUiType(col: { uidt?: UITypes; }, idType: IDType) {
     switch (col.uidt) {
       case 'ID':
         if (idType === 'AG') {
@@ -1941,6 +1987,11 @@ export class PgUi {
           'timestamp with time zone',
         ];
 
+      case 'User':
+      case 'CreatedBy':
+      case 'LastModifiedBy':
+        return ['character varying'];
+
       case 'AutoNumber':
         return [
           'int',

packages/nocodb-sdk/src/lib/sqlUi/SnowflakeUi.ts

@@ -133,6 +133,52 @@ export class SnowflakeUi {
         uicn: '',
         system: true,
       },
+      {
+        column_name: 'created_by',
+        title: 'nc_created_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.CreatedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
+      {
+        column_name: 'updated_by',
+        title: 'nc_updated_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar(45)',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '45',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.LastModifiedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
     ];
   }
 
@@ -660,7 +706,7 @@ export class SnowflakeUi {
     }
   }
 
-  static getDataTypeForUiType(col: { uidt: UITypes }, idType?: IDType) {
+  static getDataTypeForUiType(col: { uidt: UITypes; }, idType?: IDType) {
     const colProp: any = {};
     switch (col.uidt) {
       case 'ID':
@@ -800,7 +846,7 @@ export class SnowflakeUi {
     return colProp;
   }
 
-  static getDataTypeListForUiType(col: { uidt: UITypes }, idType: IDType) {
+  static getDataTypeListForUiType(col: { uidt: UITypes; }, idType: IDType) {
     switch (col.uidt) {
       case 'ID':
         if (idType === 'AG') {
@@ -955,6 +1001,11 @@ export class SnowflakeUi {
       case 'LastModifiedTime':
         return ['TIMESTAMP'];
 
+      case 'User':
+      case 'CreatedBy':
+      case 'LastModifiedBy':
+        return ['VARCHAR'];
+
       case 'AutoNumber':
         return ['NUMBER', 'INT', 'INTEGER', 'BIGINT'];
 

packages/nocodb-sdk/src/lib/sqlUi/SqliteUi.ts

@@ -121,6 +121,52 @@ export class SqliteUi {
         uicn: '',
         system: true,
       },
+      {
+        column_name: 'created_by',
+        title: 'nc_created_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.CreatedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
+      {
+        column_name: 'updated_by',
+        title: 'nc_updated_by',
+        dt: 'varchar',
+        dtx: 'specificType',
+        ct: 'varchar',
+        nrqd: true,
+        rqd: false,
+        ck: false,
+        pk: false,
+        un: false,
+        ai: false,
+        clen: 45,
+        np: null,
+        ns: null,
+        dtxp: '',
+        dtxs: '',
+        altered: 1,
+        uidt: UITypes.LastModifiedBy,
+        uip: '',
+        uicn: '',
+        system: true,
+      },
     ];
   }
 
@@ -510,7 +556,7 @@ export class SqliteUi {
     }
   }
 
-  static getDataTypeForUiType(col: { uidt: UITypes }, idType?: IDType) {
+  static getDataTypeForUiType(col: { uidt: UITypes; }, idType?: IDType) {
     const colProp: any = {};
     switch (col.uidt) {
       case 'ID':
@@ -651,7 +697,7 @@ export class SqliteUi {
     return colProp;
   }
 
-  static getDataTypeListForUiType(col: { uidt: UITypes }, idType?: IDType) {
+  static getDataTypeListForUiType(col: { uidt: UITypes; }, idType?: IDType) {
     switch (col.uidt) {
       case 'ID':
         if (idType === 'AG') {

packages/nocodb/src/db/BaseModelSqlv2.ts

@@ -8,6 +8,7 @@ import { nocoExecute } from 'nc-help';
 import {
   AuditOperationSubTypes,
   AuditOperationTypes,
+  isCreatedOrLastModifiedByCol,
   isCreatedOrLastModifiedTimeCol,
   isLinksOrLTAR,
   isSystemColumn,
@@ -103,7 +104,11 @@ function checkColumnRequired(
 }
 
 export async function getColumnName(column: Column<any>, columns?: Column[]) {
-  if (!isCreatedOrLastModifiedTimeCol(column)) return column.column_name;
+  if (
+    !isCreatedOrLastModifiedTimeCol(column) &&
+    !isCreatedOrLastModifiedByCol(column)
+  )
+    return column.column_name;
   columns = columns || (await Column.list({ fk_model_id: column.fk_model_id }));
 
   switch (column.uidt) {
@@ -122,6 +127,20 @@ export async function getColumnName(column: Column<any>, columns?: Column[]) {
         return lastModifiedTimeSystemCol.column_name;
       return column.column_name || 'updated_at';
     }
+    case UITypes.CreatedBy: {
+      const createdBySystemCol = columns.find(
+        (col) => col.system && col.uidt === UITypes.CreatedBy,
+      );
+      if (createdBySystemCol) return createdBySystemCol.column_name;
+      return column.column_name || 'created_by';
+    }
+    case UITypes.LastModifiedBy: {
+      const lastModifiedBySystemCol = columns.find(
+        (col) => col.system && col.uidt === UITypes.LastModifiedBy,
+      );
+      if (lastModifiedBySystemCol) return lastModifiedBySystemCol.column_name;
+      return column.column_name || 'updated_by';
+    }
     default:
       return column.column_name;
   }
@@ -739,7 +758,16 @@ class BaseModelSqlv2 {
 
       const column = groupByColumns[sort.fk_column_id];
 
-      if (column.uidt === UITypes.User) {
+      if (
+        [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+          column.uidt as UITypes,
+        )
+      ) {
+        const columnName = await getColumnName(
+          column,
+          await this.model.getColumns(),
+        );
+
         const baseUsers = await BaseUser.getUsersList({
           base_id: column.base_id,
         });
@@ -751,7 +779,7 @@ class BaseModelSqlv2 {
             user.display_name || user.email,
           ]);
           return qb.toQuery();
-        }, this.dbDriver.raw(`??`, [column.column_name]).toQuery());
+        }, this.dbDriver.raw(`??`, [columnName]).toQuery());
 
         qb.orderBy(
           sanitize(this.dbDriver.raw(finalStatement)),
@@ -2314,6 +2342,18 @@ class BaseModelSqlv2 {
             ).builder.as(sanitize(column.id)),
           );
           break;
+        case UITypes.CreatedBy:
+        case UITypes.LastModifiedBy: {
+          const columnName = await getColumnName(
+            column,
+            await this.model.getColumns(),
+          );
+
+          res[sanitize(column.id || columnName)] = sanitize(
+            `${alias || this.tnPath}.${columnName}`,
+          );
+          break;
+        }
         default:
           if (this.isPg) {
             if (column.dt === 'bytea') {
@@ -2368,7 +2408,7 @@ class BaseModelSqlv2 {
         await this.beforeInsert(insertObj, trx, cookie);
       }
 
-      await this.prepareNocoData(insertObj, true);
+      await this.prepareNocoData(insertObj, true, cookie);
 
       let response;
       // const driver = trx ? trx : this.dbDriver;
@@ -2613,7 +2653,7 @@ class BaseModelSqlv2 {
 
       await this.beforeUpdate(data, trx, cookie);
 
-      await this.prepareNocoData(updateObj);
+      await this.prepareNocoData(updateObj, false, cookie);
 
       const prevData = await this.readByPk(
         id,
@@ -2734,7 +2774,7 @@ class BaseModelSqlv2 {
 
       await this.beforeInsert(insertObj, this.dbDriver, cookie);
 
-      await this.prepareNocoData(insertObj, true);
+      await this.prepareNocoData(insertObj, true, cookie);
 
       let response;
       const query = this.dbDriver(this.tnPath).insert(insertObj);
@@ -2962,7 +3002,11 @@ class BaseModelSqlv2 {
           for (let i = 0; i < this.model.columns.length; ++i) {
             const col = this.model.columns[i];
 
-            if (col.title in d && isCreatedOrLastModifiedTimeCol(col)) {
+            if (
+              col.title in d &&
+              (isCreatedOrLastModifiedTimeCol(col) ||
+                isCreatedOrLastModifiedByCol(col))
+            ) {
               NcError.badRequest(
                 `Column "${col.title}" is auto generated and cannot be updated`,
               );
@@ -3085,7 +3129,7 @@ class BaseModelSqlv2 {
             }
           }
 
-          await this.prepareNocoData(insertObj, true);
+          await this.prepareNocoData(insertObj, true, cookie);
 
           // prepare nested link data for insert only if it is single record insertion
           if (isSingleRecordInsertion) {
@@ -3229,7 +3273,7 @@ class BaseModelSqlv2 {
           continue;
         }
         if (!raw) {
-          await this.prepareNocoData(d);
+          await this.prepareNocoData(d, false, cookie);
 
           const oldRecord = await this.readByPk(pkValues);
           if (!oldRecord) {
@@ -3302,6 +3346,9 @@ class BaseModelSqlv2 {
         this.dbDriver,
       );
       if (!args.skipValidationAndHooks) await this.validate(updateData);
+
+      await this.prepareNocoData(updateData, false, cookie);
+
       const pkValues = await this._extractPksValues(updateData);
       if (pkValues) {
         // pk is specified - by pass
@@ -3847,7 +3894,11 @@ class BaseModelSqlv2 {
     for (let i = 0; i < this.model.columns.length; ++i) {
       const column = this.model.columns[i];
 
-      if (column.title in data && isCreatedOrLastModifiedTimeCol(column)) {
+      if (
+        column.title in data &&
+        (isCreatedOrLastModifiedTimeCol(column) ||
+          isCreatedOrLastModifiedByCol(column))
+      ) {
         NcError.badRequest(
           `Column "${column.title}" is auto generated and cannot be updated`,
         );
@@ -4018,13 +4069,15 @@ class BaseModelSqlv2 {
             );
           }
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [childId],
+            cookie,
           });
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: childTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -4046,9 +4099,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -4070,9 +4124,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [childId],
+            cookie,
           });
         }
         break;
@@ -4168,13 +4223,15 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [childId],
+            cookie,
           });
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: childTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -4194,9 +4251,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -4216,9 +4274,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [childId],
+            cookie,
           });
         }
         break;
@@ -4660,22 +4719,43 @@ class BaseModelSqlv2 {
         await this.model.getColumns();
       }
 
-      const userColumns = [];
+      let userColumns = [];
 
       const columns = childTable ? childTable.columns : this.model.columns;
 
       for (const col of columns) {
         if (col.uidt === UITypes.Lookup) {
-          if ((await this.getNestedUidt(col)) === UITypes.User) {
+          if (
+            [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+              (await this.getNestedUidt(col)) as UITypes,
+            )
+          ) {
             userColumns.push(col);
           }
         } else {
-          if (col.uidt === UITypes.User) {
+          if (
+            [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+              col.uidt,
+            )
+          ) {
             userColumns.push(col);
           }
         }
       }
 
+      // filter user columns that are not present in data
+      if (userColumns.length) {
+        if (Array.isArray(data)) {
+          const row = data[0];
+          if (row) {
+            userColumns = userColumns.filter((col) => col.id in row);
+          }
+        } else {
+          userColumns = userColumns.filter((col) => col.id in data);
+        }
+      }
+
+      // process user columns that are present in data
       if (userColumns.length) {
         const baseUsers = await BaseUser.getUsersList({
           base_id: childTable ? childTable.base_id : this.model.base_id,
@@ -4694,30 +4774,32 @@ class BaseModelSqlv2 {
   }
 
   protected _convertUserFormat(
-    userColumns: Record<string, any>[],
+    userColumns: Column[],
     baseUsers: Partial<User>[],
     d: Record<string, any>,
   ) {
     try {
       if (d) {
-        for (const col of userColumns) {
-          if (d[col.id] && d[col.id].length) {
-            d[col.id] = d[col.id].split(',');
-          } else {
-            d[col.id] = null;
-          }
+        const availableUserColumns = userColumns.filter(
+          (col) => d[col.id] && d[col.id].length,
+        );
+        for (const col of availableUserColumns) {
+          d[col.id] = d[col.id].split(',');
 
-          if (d[col.id]?.length) {
-            d[col.id] = d[col.id].map((fid) => {
-              const { id, email, display_name } = baseUsers.find(
-                (u) => u.id === fid,
-              );
-              return {
-                id,
-                email,
-                display_name: display_name?.length ? display_name : null,
-              };
-            });
+          d[col.id] = d[col.id].map((fid) => {
+            const { id, email, display_name } = baseUsers.find(
+              (u) => u.id === fid,
+            );
+            return {
+              id,
+              email,
+              display_name: display_name?.length ? display_name : null,
+            };
+          });
+
+          // CreatedBy and LastModifiedBy are always singular
+          if ([UITypes.CreatedBy, UITypes.LastModifiedBy].includes(col.uidt)) {
+            d[col.id] = d[col.id][0];
           }
         }
       }
@@ -5130,13 +5212,15 @@ class BaseModelSqlv2 {
             raw: true,
           });
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: childIds,
+            cookie,
           });
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: childTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -5213,9 +5297,10 @@ class BaseModelSqlv2 {
           }
           await this.execAndParse(updateQb, null, { raw: true });
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -5260,9 +5345,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -5406,13 +5492,15 @@ class BaseModelSqlv2 {
           );
           await this.execAndParse(delQb, null, { raw: true });
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: childIds,
+            cookie,
           });
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: childTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -5495,9 +5583,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [rowId],
+            cookie,
           });
         }
         break;
@@ -5545,9 +5634,10 @@ class BaseModelSqlv2 {
             { raw: true },
           );
 
-          await this.updateLastModifiedTime({
+          await this.updateLastModified({
             model: parentTable,
             rowIds: [childIds[0]],
+            cookie,
           });
         }
         break;
@@ -5634,26 +5724,40 @@ class BaseModelSqlv2 {
     }
   }
 
-  async updateLastModifiedTime({
+  async updateLastModified({
     rowIds,
+    cookie,
     model = this.model,
     knex = this.dbDriver,
   }: {
     rowIds: any | any[];
+    cookie?: { user?: any };
     model?: Model;
     knex?: XKnex;
   }) {
-    const columnName = await model.getColumns().then((columns) => {
-      return columns.find(
-        (c) => c.uidt === UITypes.LastModifiedTime && c.system,
-      )?.column_name;
-    });
+    const columns = await model.getColumns();
 
-    if (!columnName) return;
+    const updateObject = {};
 
-    const qb = knex(model.table_name).update({
-      [columnName]: Noco.ncMeta.now(),
-    });
+    const lastModifiedTimeColumn = columns.find(
+      (c) => c.uidt === UITypes.LastModifiedTime && c.system,
+    );
+
+    const lastModifiedByColumn = columns.find(
+      (c) => c.uidt === UITypes.LastModifiedBy && c.system,
+    );
+
+    if (lastModifiedTimeColumn) {
+      updateObject[lastModifiedTimeColumn.column_name] = Noco.ncMeta.now();
+    }
+
+    if (lastModifiedByColumn) {
+      updateObject[lastModifiedByColumn.column_name] = cookie?.user?.id;
+    }
+
+    if (Object.keys(updateObject).length === 0) return;
+
+    const qb = knex(model.table_name).update(updateObject);
 
     for (const rowId of Array.isArray(rowIds) ? rowIds : [rowIds]) {
       qb.orWhere(await this._wherePk(rowId));
@@ -5662,7 +5766,7 @@ class BaseModelSqlv2 {
     await this.execAndParse(qb, null, { raw: true });
   }
 
-  async prepareNocoData(data, isInsertData = false) {
+  async prepareNocoData(data, isInsertData = false, cookie?: { user?: any }) {
     if (
       this.model.columns.some((c) =>
         [
@@ -5670,19 +5774,25 @@ class BaseModelSqlv2 {
           UITypes.User,
           UITypes.CreatedTime,
           UITypes.LastModifiedTime,
+          UITypes.CreatedBy,
+          UITypes.LastModifiedBy,
         ].includes(c.uidt),
       )
     ) {
       for (const column of this.model.columns) {
-        if (
-          isInsertData &&
-          column.uidt === UITypes.CreatedTime &&
-          column.system
-        ) {
-          data[column.column_name] = Noco.ncMeta.now();
-        }
-        if (column.uidt === UITypes.LastModifiedTime && column.system) {
-          data[column.column_name] = isInsertData ? null : Noco.ncMeta.now();
+        if (column.system) {
+          if (isInsertData) {
+            if (column.uidt === UITypes.CreatedTime) {
+              data[column.column_name] = Noco.ncMeta.now();
+            } else if (column.uidt === UITypes.CreatedBy) {
+              data[column.column_name] = cookie?.user?.id;
+            }
+          }
+          if (column.uidt === UITypes.LastModifiedTime) {
+            data[column.column_name] = isInsertData ? null : Noco.ncMeta.now();
+          } else if (column.uidt === UITypes.LastModifiedBy) {
+            data[column.column_name] = isInsertData ? null : cookie?.user?.id;
+          }
         }
         if (column.uidt === UITypes.Attachment) {
           if (data[column.column_name]) {
@@ -5699,7 +5809,11 @@ class BaseModelSqlv2 {
               }
             }
           }
-        } else if (column.uidt === UITypes.User) {
+        } else if (
+          [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+            column.uidt,
+          )
+        ) {
           if (data[column.column_name]) {
             const userIds = [];
 

packages/nocodb/src/db/conditionV2.ts

@@ -453,9 +453,14 @@ const parseConditionV2 = async (
         builder,
       );
     } else if (
-      column.uidt === UITypes.User &&
+      [UITypes.User, UITypes.CreatedBy, UITypes.LastModifiedBy].includes(
+        column.uidt,
+      ) &&
       ['like', 'nlike'].includes(filter.comparison_op)
     ) {
+      // get column name for CreatedBy, LastModifiedBy
+      column.column_name = await getColumnName(column);
+
       const baseUsers = await BaseUser.getUsersList({
         base_id: column.base_id,
       });

packages/nocodb/src/db/formulav2/formulaQueryBuilderv2.ts

@@ -695,6 +695,8 @@ async function _formulaQueryBuilder(
         }
         break;
       case UITypes.User:
+      case UITypes.CreatedBy:
+      case UITypes.LastModifiedBy:
         {
           const base = await Base.get(model.base_id);
           const baseUsers = await BaseUser.getUsersList({

packages/nocodb/src/db/sortV2.ts

@@ -139,7 +139,9 @@ export default async function sortV2(
         }
         break;
       }
-      case UITypes.User: {
+      case UITypes.User:
+      case UITypes.CreatedBy:
+      case UITypes.LastModifiedBy: {
         const base = await Base.get(model.base_id);
         const baseUsers = await BaseUser.getUsersList({
           base_id: base.id,

packages/nocodb/src/helpers/columnHelpers.ts

@@ -295,9 +295,14 @@ export const getRefColumnIfAlias = async (
   columns?: Column[],
 ) => {
   if (
-    !([UITypes.CreatedTime, UITypes.LastModifiedTime] as UITypes[]).includes(
-      column.uidt,
-    )
+    !(
+      [
+        UITypes.CreatedTime,
+        UITypes.LastModifiedTime,
+        UITypes.CreatedBy,
+        UITypes.LastModifiedBy,
+      ] as UITypes[]
+    ).includes(column.uidt)
   )
     return column;
 

packages/nocodb/src/helpers/getAst.ts

@@ -1,4 +1,5 @@
 import {
+  isCreatedOrLastModifiedByCol,
   isCreatedOrLastModifiedTimeCol,
   isSystemColumn,
   RelationTypes,
@@ -152,7 +153,9 @@ const getAst = async ({
     }
     let isRequested;
 
-    if (getHiddenColumn) {
+    if (isCreatedOrLastModifiedByCol(col) && col.system) {
+      isRequested = false;
+    } else if (getHiddenColumn) {
       isRequested =
         !isSystemColumn(col) ||
         (isCreatedOrLastModifiedTimeCol(col) && col.system) ||

packages/nocodb/src/modules/datas/helpers.ts

@@ -171,7 +171,9 @@ export async function serializeCellValue({
         )
         .join(', ');
     }
-    case UITypes.User: {
+    case UITypes.User:
+    case UITypes.CreatedBy:
+    case UITypes.LastModifiedBy: {
       let data = value;
       try {
         if (typeof value === 'string') {
@@ -179,7 +181,9 @@ export async function serializeCellValue({
         }
       } catch {}
 
-      return (data || []).map((user) => `${user.email}`).join(', ');
+      return (data ? (Array.isArray(data) ? data : [data]) : [])
+        .map((user) => `${user.email}`)
+        .join(', ');
     }
     case UITypes.Lookup:
       {

packages/nocodb/src/modules/global/init-meta-service.provider.ts

@@ -27,7 +27,7 @@ export const InitMetaServiceProvider: Provider = {
     const config = await NcConfig.createByEnv();
 
     // set version
-    process.env.NC_VERSION = '0111004';
+    process.env.NC_VERSION = '0111005';
 
     // init cache
     await NocoCache.init();

packages/nocodb/src/modules/jobs/jobs/export-import/export.service.ts

@@ -454,9 +454,12 @@ export class ExportService {
                 }
                 break;
               case UITypes.User:
+              case UITypes.CreatedBy:
+              case UITypes.LastModifiedBy:
                 if (v) {
                   const userIds = [];
-                  for (const user of v as { id: string }[]) {
+                  const userRecord = Array.isArray(v) ? v : [v];
+                  for (const user of userRecord) {
                     userIds.push(user.id);
                   }
                   row[colId] = userIds.join(',');

packages/nocodb/src/modules/jobs/jobs/export-import/import.service.ts

@@ -768,6 +768,8 @@ export class ImportService {
             a.uidt === UITypes.QrCode ||
             a.uidt === UITypes.CreatedTime ||
             a.uidt === UITypes.LastModifiedTime ||
+            a.uidt === UITypes.CreatedBy ||
+            a.uidt === UITypes.LastModifiedBy ||
             a.uidt === UITypes.Barcode,
         ),
       );
@@ -897,13 +899,18 @@ export class ImportService {
         }
       } else if (
         col.uidt === UITypes.CreatedTime ||
-        col.uidt === UITypes.LastModifiedTime
+        col.uidt === UITypes.LastModifiedTime ||
+        col.uidt === UITypes.CreatedBy ||
+        col.uidt === UITypes.LastModifiedBy
       ) {
         if (col.system) continue;
         const freshModelData = await this.columnsService.columnAdd({
           tableId: getIdOrExternalId(getParentIdentifier(col.id)),
           column: withoutId({
             ...flatCol,
+            // provide column_name to avoid ajv error
+            // it will be ignored by the service
+            column_name: 'system',
             system: false,
           }) as any,
           req: param.req,

packages/nocodb/src/run/testDocker.ts

@@ -46,6 +46,16 @@ process.env[`NC_ALLOW_LOCAL_HOOKS`] = 'true';
           },
         );
         console.log(admin_response.data);
+      } else {
+        admin_response = await axios.post(
+          `http://localhost:${
+            process.env.PORT || 8080
+          }/api/v1/auth/user/signin`,
+          {
+            email: 'user@nocodb.com',
+            password: 'Password123.',
+          },
+        );
       }
 
       for (let i = 0; i < 4; i++) {

packages/nocodb/src/schema/swagger-v2.json

@@ -12127,7 +12127,9 @@
               "Year",
               "QrCode",
               "Links",
-              "User"
+              "User",
+              "CreatedBy",
+              "LastModifiedBy"
             ],
             "type": "string"
           },
@@ -15345,7 +15347,9 @@
               "Year",
               "QrCode",
               "Links",
-              "User"
+              "User",
+              "CreatedBy",
+              "LastModifiedBy"
             ],
             "type": "string",
             "description": "UI Data Type"

packages/nocodb/src/schema/swagger.json

@@ -17344,7 +17344,9 @@
               "Year",
               "QrCode",
               "Links",
-              "User"
+              "User",
+              "CreatedBy",
+              "LastModifiedBy"
             ],
             "type": "string"
           },
@@ -20565,7 +20567,9 @@
               "Year",
               "QrCode",
               "Links",
-              "User"
+              "User",
+              "CreatedBy",
+              "LastModifiedBy"
             ],
             "type": "string",
             "description": "UI Data Type"

packages/nocodb/src/services/api-docs/swagger/getSwaggerColumnMetas.ts

@@ -56,6 +56,10 @@ export default async (
         case UITypes.CreatedTime:
           field.type = 'string';
           break;
+        case UITypes.LastModifiedBy:
+        case UITypes.CreatedBy:
+          field.type = 'object';
+          break;
         default:
           field.virtual = false;
           SwaggerTypes.setSwaggerType(c, field, dbType);

packages/nocodb/src/services/api-docs/swaggerV2/getSwaggerColumnMetas.ts

@@ -49,6 +49,10 @@ export default async (
         case UITypes.CreatedTime:
           field.type = 'string';
           break;
+        case UITypes.LastModifiedBy:
+        case UITypes.CreatedBy:
+          field.type = 'object';
+          break;
         default:
           field.virtual = false;
           SwaggerTypes.setSwaggerType(c, field, dbType);

packages/nocodb/src/services/columns.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import {
   AppEvents,
+  isCreatedOrLastModifiedByCol,
   isCreatedOrLastModifiedTimeCol,
   isLinksOrLTAR,
   isVirtualCol,
@@ -174,6 +175,7 @@ export class ColumnsService {
     if (
       !isVirtualCol(param.column) &&
       !isCreatedOrLastModifiedTimeCol(param.column) &&
+      !isCreatedOrLastModifiedByCol(param.column) &&
       !(await Column.checkTitleAvailable({
         column_name: param.column.column_name,
         fk_model_id: column.fk_model_id,
@@ -200,6 +202,7 @@ export class ColumnsService {
 
     if (
       isCreatedOrLastModifiedTimeCol(column) ||
+      isCreatedOrLastModifiedByCol(column) ||
       [
         UITypes.Lookup,
         UITypes.Rollup,
@@ -320,7 +323,12 @@ export class ColumnsService {
         `Updating ${colBody.uidt} => ${colBody.uidt} is not implemented`,
       );
     } else if (
-      [UITypes.CreatedTime, UITypes.LastModifiedTime].includes(colBody.uidt)
+      [
+        UITypes.CreatedTime,
+        UITypes.LastModifiedTime,
+        UITypes.CreatedBy,
+        UITypes.LastModifiedBy,
+      ].includes(colBody.uidt)
     ) {
       // allow updating of title only
       await Column.update(param.columnId, {
@@ -1711,6 +1719,8 @@ export class ColumnsService {
         break;
       case UITypes.CreatedTime:
       case UITypes.LastModifiedTime:
+      case UITypes.CreatedBy:
+      case UITypes.LastModifiedBy:
         {
           let columnName: string;
           const columns = await table.getColumns();
@@ -1721,10 +1731,26 @@ export class ColumnsService {
           );
 
           if (!existingColumn) {
-            columnName =
-              colBody.uidt === UITypes.CreatedTime
-                ? 'created_at'
-                : 'updated_at';
+            let columnTitle;
+
+            switch (colBody.uidt) {
+              case UITypes.CreatedTime:
+                columnName = 'created_at';
+                columnTitle = 'CreatedAt';
+                break;
+              case UITypes.LastModifiedTime:
+                columnName = 'updated_at';
+                columnTitle = 'UpdatedAt';
+                break;
+              case UITypes.CreatedBy:
+                columnName = 'created_by';
+                columnTitle = 'nc_created_by';
+                break;
+              case UITypes.LastModifiedBy:
+                columnName = 'updated_by';
+                columnTitle = 'nc_updated_by';
+                break;
+            }
 
             // todo:  check type as well
             const dbColumn = columns.find((c) => c.column_name === columnName);
@@ -1765,10 +1791,7 @@ export class ColumnsService {
               await sqlMgr.sqlOpPlus(source, 'tableUpdate', tableUpdateBody);
             }
 
-            const title = getUniqueColumnAliasName(
-              table.columns,
-              UITypes.CreatedTime ? 'CreatedAt' : 'UpdatedAt',
-            );
+            const title = getUniqueColumnAliasName(table.columns, columnTitle);
 
             await Column.insert({
               ...colBody,
@@ -2233,9 +2256,11 @@ export class ColumnsService {
         /* falls through to default */
       }
 
-      // on delete create time or last modified time, keep the column in table and delete the column from meta
+      // on deleting created/last modified columns, keep the column in table and delete the column from meta
       case UITypes.CreatedTime:
       case UITypes.LastModifiedTime:
+      case UITypes.CreatedBy:
+      case UITypes.LastModifiedBy:
         {
           await Column.delete(param.columnId, ncMeta);
         }

packages/nocodb/src/services/tables.service.ts

@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import DOMPurify from 'isomorphic-dompurify';
 import {
   AppEvents,
+  isCreatedOrLastModifiedByCol,
   isCreatedOrLastModifiedTimeCol,
   isLinksOrLTAR,
   isVirtualCol,
@@ -391,21 +392,49 @@ export class TablesService {
       source = base.sources.find((b) => b.id === param.sourceId);
     }
 
-    // add CreatedBy and LastModifiedBy system columns if missing in request payload
+    // add CreatedTime and LastModifiedTime system columns if missing in request payload
     {
-      for (const uidt of [UITypes.CreatedTime, UITypes.LastModifiedTime]) {
+      for (const uidt of [
+        UITypes.CreatedTime,
+        UITypes.LastModifiedTime,
+        UITypes.CreatedBy,
+        UITypes.LastModifiedBy,
+      ]) {
         const col = tableCreatePayLoad.columns.find(
           (c) => c.uidt === uidt,
         ) as ColumnType;
 
+        let columnName, columnTitle;
+
+        switch (uidt) {
+          case UITypes.CreatedTime:
+            columnName = 'created_at';
+            columnTitle = 'CreatedAt';
+            break;
+          case UITypes.LastModifiedTime:
+            columnName = 'updated_at';
+            columnTitle = 'UpdatedAt';
+            break;
+          case UITypes.CreatedBy:
+            columnName = 'created_by';
+            columnTitle = 'nc_created_by';
+            break;
+          case UITypes.LastModifiedBy:
+            columnName = 'updated_by';
+            columnTitle = 'nc_updated_by';
+            break;
+        }
+
         const colName = getUniqueColumnName(
           tableCreatePayLoad.columns as any[],
-          uidt === UITypes.CreatedTime ? 'created_at' : 'updated_at',
+          columnName,
         );
+
         const colAlias = getUniqueColumnAliasName(
           tableCreatePayLoad.columns as any[],
-          uidt === UITypes.CreatedTime ? 'CreatedAt' : 'UpdatedAt',
+          columnTitle,
         );
+
         if (!col || !col.system) {
           tableCreatePayLoad.columns.push({
             ...(await getColumnPropsFromUIDT({ uidt } as any, source)),
@@ -521,7 +550,8 @@ export class TablesService {
     for (const column of param.table.columns) {
       if (
         !isVirtualCol(column) ||
-        (isCreatedOrLastModifiedTimeCol(column) && (column as any).system)
+        (isCreatedOrLastModifiedTimeCol(column) && (column as any).system) ||
+        (isCreatedOrLastModifiedByCol(column) && (column as any).system)
       ) {
         const mxColumnLength = Column.getMaxColumnNameLength(sqlClientType);
 
@@ -556,7 +586,11 @@ export class TablesService {
       param.table.columns
         // exclude alias columns from column list
         ?.filter((c) => {
-          return !isCreatedOrLastModifiedTimeCol(c) || (c as any).system;
+          return (
+            !isCreatedOrLastModifiedTimeCol(c) ||
+            !isCreatedOrLastModifiedByCol(c) ||
+            (c as any).system
+          );
         })
         .map(async (c) => ({
           ...(await getColumnPropsFromUIDT(c as any, source)),

packages/nocodb/src/version-upgrader/NcUpgrader.ts

@@ -16,7 +16,7 @@ import ncHookUpgrader from './ncHookUpgrader';
 import ncProjectConfigUpgrader from './ncProjectConfigUpgrader';
 import ncXcdbLTARUpgrader from './ncXcdbLTARUpgrader';
 import ncXcdbLTARIndexUpgrader from './ncXcdbLTARIndexUpgrader';
-import ncXcdbCreatedAndUpdatedTimeUpgrader from './ncXcdbCreatedAndUpdatedTimeUpgrader';
+import ncXcdbCreatedAndUpdatedSystemFieldsUpgrader from './ncXcdbCreatedAndUpdatedSystemFieldsUpgrader';
 import type { MetaService } from '~/meta/meta.service';
 import type { NcConfig } from '~/interface/config';
 
@@ -145,7 +145,7 @@ export default class NcUpgrader {
       { name: '0107004', handler: ncProjectConfigUpgrader },
       { name: '0108002', handler: ncXcdbLTARUpgrader },
       { name: '0111002', handler: ncXcdbLTARIndexUpgrader },
-      { name: '0111004', handler: ncXcdbCreatedAndUpdatedTimeUpgrader },
+      { name: '0111005', handler: ncXcdbCreatedAndUpdatedSystemFieldsUpgrader },
     ];
   }
 }

packages/nocodb/src/version-upgrader/ncXcdbCreatedAndUpdatedSystemFieldsUpgrader.ts

@@ -2,6 +2,7 @@ import { UITypes } from 'nocodb-sdk';
 import type { NcUpgraderCtx } from './NcUpgrader';
 import type { MetaService } from '~/meta/meta.service';
 import type { Base } from '~/models';
+import Noco from '~/Noco';
 import { MetaTable } from '~/utils/globals';
 import { Column, Model, Source } from '~/models';
 import {
@@ -15,15 +16,18 @@ import NcConnectionMgrv2 from '~/utils/common/NcConnectionMgrv2';
 import getColumnUiType from '~/helpers/getColumnUiType';
 import RequestQueue from '~/utils/RequestQueue';
 
-// Example Usage:
-
 // An upgrader for upgrading created_at and updated_at columns
 // to system column and convert to new uidt CreatedTime and LastModifiedTime
 
 const logger = {
   log: (message: string) => {
     console.log(
-      `[ncXcdbCreatedAndUpdatedTimeUpgrader ${Date.now()}] ` + message,
+      `[ncXcdbCreatedAndUpdatedSystemFieldsUpgrader ${Date.now()}] ` + message,
+    );
+  },
+  error: (message: string) => {
+    console.error(
+      `[ncXcdbCreatedAndUpdatedSystemFieldsUpgrader ${Date.now()}] ` + message,
     );
   },
 };
@@ -54,78 +58,113 @@ async function upgradeModels({
   ncMeta,
   source,
   base,
+  models,
 }: {
   ncMeta: MetaService;
   source: Source;
   base: Base;
+  models: Model[];
 }) {
-  const models = await Model.list(
-    {
-      base_id: source.base_id,
-      source_id: source.id,
-    },
-    ncMeta,
-  );
+  // get existing columns from database
+  const sqlClient = await NcConnectionMgrv2.getSqlClient(source, ncMeta.knex);
+  const sqlMgr = ProjectMgrv2.getSqlMgr({ id: source.base_id }, ncMeta);
 
   await Promise.all(
-    models.map(async (model: any) => {
+    models.map(async (model) => {
       if (model.mm) return;
+      try {
+        const columns = model.columns;
+        const oldColumns = columns.map((c) => ({ ...c, cn: c.column_name }));
+        let isCreatedTimeExists = false;
+        let isLastModifiedTimeExists = false;
+        let isCreatedByExists = false;
+        let isLastModifiedByExists = false;
+        for (const column of columns) {
+          if (
+            ![
+              UITypes.DateTime,
+              UITypes.CreatedTime,
+              UITypes.LastModifiedTime,
+              UITypes.CreatedBy,
+              UITypes.LastModifiedBy,
+            ].includes(column.uidt)
+          )
+            continue;
 
-      logger.log(
-        `Upgrading model '${model.title}'(${model.id}) from base '${base.title}'(${base.id}})`,
-      );
-
-      const columns = await model.getColumns(ncMeta);
-      const oldColumns = columns.map((c) => ({ ...c, cn: c.column_name }));
-      let isCreatedTimeExists = false;
-      let isLastModifiedTimeExists = false;
-      for (const column of columns) {
-        if (column.uidt !== UITypes.DateTime) continue;
-
-        // if column is created_at or updated_at, update the uidt in meta
-        if (column.column_name === 'created_at') {
-          isCreatedTimeExists = true;
-          await Column.update(
-            column.id,
-            {
-              ...column,
-              uidt: UITypes.CreatedTime,
-              system: true,
-            },
-            ncMeta,
-            true,
-          );
+          if (column.uidt === UITypes.CreatedBy && column.system) {
+            isCreatedByExists = true;
+            continue;
+          }
+
+          if (column.uidt === UITypes.LastModifiedBy && column.system) {
+            isLastModifiedByExists = true;
+            continue;
+          }
+
+          if (
+            [UITypes.CreatedBy, UITypes.LastModifiedBy].includes(column.uidt)
+          ) {
+            continue;
+          }
+
+          if (column.uidt === UITypes.CreatedTime && column.system) {
+            isCreatedTimeExists = true;
+            continue;
+          }
+
+          if (column.uidt === UITypes.LastModifiedTime && column.system) {
+            isLastModifiedTimeExists = true;
+            continue;
+          }
+
+          // if column is created_at or updated_at, update the uidt in meta
+          if (column.column_name === 'created_at') {
+            isCreatedTimeExists = true;
+            if (column.uidt !== UITypes.CreatedTime || !column.system) {
+              await Column.update(
+                column.id,
+                {
+                  ...column,
+                  uidt: UITypes.CreatedTime,
+                  system: true,
+                },
+                ncMeta,
+                true,
+              );
+            }
 
-          /*   Enable if planning to remove trigger
+            /*   Enable if planning to remove trigger
           if (source.type === 'pg') {
             // delete pg trigger if exists
             await deletePgTrigger({ column, ncMeta, model });
-          }*/
-        }
-        if (column.column_name === 'updated_at') {
-          isLastModifiedTimeExists = true;
-          await Column.update(
-            column.id,
-            {
-              ...column,
-              uidt: UITypes.LastModifiedTime,
-              system: true,
-              cdf: '',
-              au: false,
-            },
-            ncMeta,
-            true,
-          );
+          }
+          */
+          }
+          if (column.column_name === 'updated_at') {
+            isLastModifiedTimeExists = true;
+            if (column.uidt !== UITypes.LastModifiedTime || !column.system) {
+              await Column.update(
+                column.id,
+                {
+                  ...column,
+                  uidt: UITypes.LastModifiedTime,
+                  system: true,
+                },
+                ncMeta,
+                true,
+              );
+            }
+          }
         }
-      }
 
-      if (!isCreatedTimeExists || !isLastModifiedTimeExists) {
-        // get existing columns from database
-
-        const sqlClient = await NcConnectionMgrv2.getSqlClient(
-          source,
-          ncMeta.knex,
-        );
+        if (
+          isCreatedTimeExists &&
+          isLastModifiedTimeExists &&
+          isCreatedByExists &&
+          isLastModifiedByExists
+        ) {
+          return;
+        }
 
         const dbColumns =
           (
@@ -143,7 +182,7 @@ async function upgradeModels({
           return;
         }
 
-        // create created_at and updated_at columns
+        // create created_at & updated_at and created_by & updated_by columns
         const newColumns = [];
         const existingDbColumns = [];
 
@@ -220,11 +259,74 @@ async function upgradeModels({
           }
         }
 
+        if (!isCreatedByExists) {
+          const columnName = getUniqueColumnName(columns, 'created_by');
+          const dbColumn = dbColumns.find((c) => c.cn === columnName);
+
+          // if column already exist in db but not in meta, just update the meta (partial upgraded case)
+          if (dbColumn) {
+            existingDbColumns.push({
+              uidt: UITypes.CreatedBy,
+              ...dbColumn,
+              column_name: columnName,
+              title: getUniqueColumnAliasName(columns, 'nc_created_by'),
+              system: true,
+            });
+          } else {
+            newColumns.push({
+              ...(await getColumnPropsFromUIDT(
+                {
+                  uidt: UITypes.CreatedBy,
+                  column_name: getUniqueColumnName(
+                    [...columns, ...dbColumns],
+                    'created_by',
+                  ),
+                  title: getUniqueColumnAliasName(columns, 'nc_created_by'),
+                },
+                source,
+              )),
+              cdf: null,
+              system: true,
+              altered: Altered.NEW_COLUMN,
+            });
+          }
+        }
+
+        if (!isLastModifiedByExists) {
+          const columnName = getUniqueColumnName(columns, 'updated_by');
+          const dbColumn = dbColumns.find((c) => c.cn === columnName);
+
+          // if column already exist in db but not in meta, just update the meta (partial upgraded case)
+          if (dbColumn) {
+            existingDbColumns.push({
+              uidt: UITypes.LastModifiedBy,
+              ...dbColumn,
+              column_name: columnName,
+              title: getUniqueColumnAliasName(columns, 'nc_updated_by'),
+              system: true,
+            });
+          } else {
+            newColumns.push({
+              ...(await getColumnPropsFromUIDT(
+                {
+                  uidt: UITypes.LastModifiedBy,
+                  column_name: getUniqueColumnName(
+                    [...columns, ...dbColumns],
+                    'updated_by',
+                  ),
+                  title: getUniqueColumnAliasName(columns, 'nc_updated_by'),
+                },
+                source,
+              )),
+              cdf: null,
+              system: true,
+              altered: Altered.NEW_COLUMN,
+            });
+          }
+        }
+
         // alter table and add new columns if any
         if (newColumns.length) {
-          logger.log(
-            `Altering table '${model.title}'(${model.id}) from base '${base.title}'(${base.id}}) for new columns`,
-          );
           // update column in db
           const tableUpdateBody = {
             ...model,
@@ -235,24 +337,24 @@ async function upgradeModels({
               cn: c.column_name,
             })),
           };
-          const sqlMgr = ProjectMgrv2.getSqlMgr({ id: source.base_id }, ncMeta);
           await sqlMgr.sqlOpPlus(source, 'tableUpdate', tableUpdateBody);
         }
         for (const newColumn of [...existingDbColumns, ...newColumns]) {
           await Column.insert(
             {
               ...newColumn,
-              system: 1,
+              system: true,
               fk_model_id: model.id,
             },
             ncMeta,
           );
         }
+      } catch (e) {
+        logger.error(
+          `Upgrading model '${model.title}'(${model.id}) from base '${base.title}'(${base.id}}) failed`,
+        );
+        throw e;
       }
-
-      logger.log(
-        `Upgraded model '${model.title}'(${model.id}) from base '${base.title}'(${base.id}})`,
-      );
     }),
   );
 }
@@ -268,11 +370,15 @@ export default async function ({ ncMeta }: NcUpgraderCtx) {
             eq: 1,
           },
         },
-        {
-          is_local: {
-            eq: 1,
-          },
-        },
+        ...(Noco.isEE()
+          ? [
+              {
+                is_local: {
+                  eq: 1,
+                },
+              },
+            ]
+          : []),
       ],
     },
   });
@@ -289,7 +395,7 @@ export default async function ({ ncMeta }: NcUpgraderCtx) {
       if (!base || base.deleted) {
         logger.log(
           `Skipped deleted base source '${source.alias || source.id}' - ${
-            base.id
+            base?.id
           }`,
         );
         return Promise.resolve();
@@ -297,13 +403,25 @@ export default async function ({ ncMeta }: NcUpgraderCtx) {
 
       // update the meta props
       return requestQueue.enqueue(async () => {
+        const models = await Model.list(
+          {
+            base_id: source.base_id,
+            source_id: source.id,
+          },
+          ncMeta,
+        );
+
+        for (const model of models) {
+          await model.getColumns(ncMeta);
+        }
+
         logger.log(
           `Upgrading base ${base.title}(${base.id},${source.id}) (${i + 1}/${
             sources.length
           })`,
         );
 
-        return upgradeModels({ ncMeta, source, base }).then(() => {
+        await upgradeModels({ ncMeta, source, models, base }).then(() => {
           logger.log(
             `Upgraded base '${base.title}'(${base.id},${source.id}) (${i + 1}/${
               sources.length

packages/nocodb/tests/unit/factory/row.ts

@@ -1,4 +1,8 @@
-import { isCreatedOrLastModifiedTimeCol, UITypes } from 'nocodb-sdk'
+import {
+  isCreatedOrLastModifiedByCol,
+  isCreatedOrLastModifiedTimeCol,
+  UITypes,
+} from 'nocodb-sdk';
 import request from 'supertest';
 import Model from '../../../src/models/Model';
 import NcConnectionMgrv2 from '../../../src/utils/common/NcConnectionMgrv2';
@@ -258,7 +262,8 @@ const generateDefaultRowAttributes = ({
       column.uidt === UITypes.LinkToAnotherRecord ||
       column.uidt === UITypes.ForeignKey ||
       column.uidt === UITypes.ID ||
-      isCreatedOrLastModifiedTimeCol(column)
+      isCreatedOrLastModifiedTimeCol(column) ||
+      isCreatedOrLastModifiedByCol(column)
     ) {
       return acc;
     }

packages/nocodb/tests/unit/init/index.ts

@@ -39,7 +39,7 @@ export default async function (forceReset = false, roles = 'editor') {
   // }
   await cleanupMeta();
 
-  const { token } = await createUser({ app: server }, { roles });
+  const { token, user } = await createUser({ app: server }, { roles });
 
   const extra: any = {};
 
@@ -61,6 +61,7 @@ export default async function (forceReset = false, roles = 'editor') {
   return {
     app: server,
     token,
+    user,
     dbConfig: TestDbMngr.dbConfig,
     sakilaDbConfig: TestDbMngr.getSakilaDbConfig(),
     ...extra,

packages/nocodb/tests/unit/model/tests/baseModelSql.test.ts

@@ -42,7 +42,7 @@ function baseModelSqlTests() {
   it('Insert record', async () => {
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const columns = await table.getColumns();
 
@@ -54,11 +54,15 @@ function baseModelSqlTests() {
     );
     const insertedRow = (await baseModelSql.list())[0];
 
-    inputData.CreatedAt = response.CreatedAt;
-    inputData.UpdatedAt = response.UpdatedAt;
+    inputData.CreatedBy = {
+      id: context.user.id,
+      email: context.user.email,
+      display_name: context.user.display_name,
+    };
+    inputData.UpdatedBy = null;
 
-    expect(insertedRow).to.include(inputData);
-    expect(insertedRow).to.include(response);
+    expect(insertedRow).to.deep.include(inputData);
+    expect(insertedRow).to.deep.include(response);
 
     const rowInsertedAudit = (await Audit.baseAuditList(base.id, {})).find(
       (audit) => audit.op_sub_type === 'INSERT',
@@ -80,7 +84,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const bulkData = Array(10)
       .fill(0)
@@ -125,7 +129,7 @@ function baseModelSqlTests() {
   it('Update record', async () => {
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
 
     const columns = await table.getColumns();
@@ -162,7 +166,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const bulkData = Array(10)
       .fill(0)
@@ -172,10 +176,18 @@ function baseModelSqlTests() {
     const insertedRows: any[] = await baseModelSql.list();
 
     await baseModelSql.bulkUpdate(
-      insertedRows.map(({ CreatedAt: _, UpdatedAt: __, ...row }) => ({
-        ...row,
-        Title: `new-${row['Title']}`,
-      })),
+      insertedRows.map(
+        ({
+          CreatedAt: _,
+          UpdatedAt: __,
+          CreatedBy: ___,
+          UpdatedBy: ____,
+          ...row
+        }) => ({
+          ...row,
+          Title: `new-${row['Title']}`,
+        }),
+      ),
       { cookie: request },
     );
 
@@ -206,7 +218,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const bulkData = Array(10)
       .fill(0)
@@ -256,7 +268,7 @@ function baseModelSqlTests() {
   it('Delete record', async () => {
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
       params: { id: 1 },
     };
 
@@ -294,7 +306,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const bulkData = Array(10)
       .fill(0)
@@ -337,7 +349,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
     const bulkData = Array(10)
       .fill(0)
@@ -403,7 +415,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
 
     await baseModelSql.nestedInsert(
@@ -462,7 +474,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
 
     await baseModelSql.insert(
@@ -530,7 +542,7 @@ function baseModelSqlTests() {
     const columns = await table.getColumns();
     const request = {
       clientIp: '::ffff:192.0.0.1',
-      user: { email: 'test@example.com' },
+      user: context.user,
     };
 
     await baseModelSql.insert(

packages/nocodb/tests/unit/rest/tests/columnTypeSpecific.test.ts

@@ -1,5 +1,4 @@
 import 'mocha';
-import { title } from 'process';
 import request from 'supertest';
 import { UITypes } from 'nocodb-sdk';
 import { expect } from 'chai';
@@ -10,12 +9,7 @@ import {
   createQrCodeColumn,
   deleteColumn,
 } from '../../factory/column';
-import {
-  createTable,
-  getColumnsByAPI,
-  getTable,
-  getTableByAPI,
-} from '../../factory/table';
+import { createTable, getColumnsByAPI, getTable } from '../../factory/table';
 import { createBulkRows, listRow, rowMixedValue } from '../../factory/row';
 import type Model from '../../../../src/models/Model';
 import type Base from '~/models/Base';
@@ -37,6 +31,29 @@ function columnTypeSpecificTests() {
   const qrValueReferenceColumnTitle = 'Qr Value Column';
   const qrCodeReferenceColumnTitle = 'Qr Code Column';
 
+  const defaultTableColumns = [
+    {
+      title: 'Id',
+      uidt: UITypes.ID,
+      system: false,
+    },
+    {
+      title: 'DateField',
+      uidt: UITypes.Date,
+      system: false,
+    },
+    {
+      title: 'CreatedAt',
+      uidt: UITypes.CreatedTime,
+      system: true,
+    },
+    {
+      title: 'UpdatedAt',
+      uidt: UITypes.LastModifiedTime,
+      system: true,
+    },
+  ];
+
   describe('Qr Code Column', () => {
     beforeEach(async function () {
       console.time('#### columnTypeSpecificTests');
@@ -89,7 +106,7 @@ function columnTypeSpecificTests() {
         ),
       ).to.eq(true);
 
-      const response = await request(context.app)
+      const _response = await request(context.app)
         .delete(`/api/v1/db/meta/columns/${qrValueReferenceColumn.id}`)
         .set('xc-auth', context.token)
         .send({});
@@ -110,7 +127,7 @@ function columnTypeSpecificTests() {
   let columns: any[];
   let unfilteredRecords: any[] = [];
 
-  describe('CreatedAt, LastModifiedAt Field', () => {
+  describe('System fields', () => {
     beforeEach(async function () {
       context = await init();
       base = await createProject(context);
@@ -133,7 +150,7 @@ function columnTypeSpecificTests() {
 
       columns = await table.getColumns();
 
-      const rowAttributes = [];
+      const rowAttributes: any = [];
       for (let i = 0; i < 100; i++) {
         const row = {
           DateField: rowMixedValue(columns[1], i),
@@ -155,43 +172,37 @@ function columnTypeSpecificTests() {
     describe('Basic verification', async () => {
       it('New table: verify system fields are added by default', async () => {
         // Id, Date, CreatedAt, LastModifiedAt
-        expect(columns.length).to.equal(4);
-        expect(columns[2].title).to.equal('CreatedAt');
-        expect(columns[2].uidt).to.equal(UITypes.CreatedTime);
-        expect(!!columns[2].system).to.equal(true);
-        expect(columns[3].title).to.equal('UpdatedAt');
-        expect(columns[3].uidt).to.equal(UITypes.LastModifiedTime);
-        expect(!!columns[3].system).to.equal(true);
+        expect(columns.length).to.equal(defaultTableColumns.length);
+        for (let i = 0; i < defaultTableColumns.length; i++) {
+          expect(columns[i].title).to.equal(defaultTableColumns[i].title);
+          expect(columns[i].uidt).to.equal(defaultTableColumns[i].uidt);
+          expect(columns[i].system).to.equal(defaultTableColumns[i].system);
+        }
       });
 
       it('New table: should not be able to delete system fields', async () => {
-        await request(context.app)
-          .delete(`/api/v2/meta/columns/${columns[2].id}`)
-          .set('xc-auth', context.token)
-          .send({})
-          .expect(400);
-
-        await request(context.app)
-          .delete(`/api/v2/meta/columns/${columns[3].id}`)
-          .set('xc-auth', context.token)
-          .send({})
-          .expect(400);
-
-        // try to delete system fields (using v1 api)
-        await request(context.app)
-          .delete(`/api/v1/db/meta/columns/${columns[2].id}`)
-          .set('xc-auth', context.token)
-          .send({})
-          .expect(400);
-        await request(context.app)
-          .delete(`/api/v1/db/meta/columns/${columns[3].id}`)
-          .set('xc-auth', context.token)
-          .send({})
-          .expect(400);
+        // try to delete system fields
+        for (let i = 0; i < defaultTableColumns.length; i++) {
+          if (!defaultTableColumns[i].system) return;
+          await request(context.app)
+            .delete(`/api/v2/meta/columns/${columns[i].id}`)
+            .set('xc-auth', context.token)
+            .send({})
+            .expect(400);
+
+          // try to delete system fields (using v1 api)
+          await request(context.app)
+            .delete(`/api/v1/db/meta/columns/${columns[i].id}`)
+            .set('xc-auth', context.token)
+            .send({})
+            .expect(400);
+        }
       });
 
-      it('New record: verify created-at is filled with current dateTime, last-modified-at is null', async () => {
-        // get current date time
+      it.only('New record: verify system fields', async () => {
+        // created-at is filled with current dateTime, last-modified-at is null
+        // created-by is filled with current user, last-modified-by is null
+
         const currentDateTime = new Date();
         const storedDateTime = new Date(unfilteredRecords[0].CreatedAt);
 
@@ -203,7 +214,7 @@ function columnTypeSpecificTests() {
         expect(unfilteredRecords[0].UpdatedAt).to.equal(null);
       });
 
-      it('Modify record: verify last-modified-at is updated', async () => {
+      it('Modify record: verify last-modified-at & modified-by is updated', async () => {
         // get current date time
         const currentDateTime = new Date();
         const d1 = new Date();
@@ -269,13 +280,20 @@ function columnTypeSpecificTests() {
         // calculate difference between current date time and stored date time
         difference = storedDateTime2.getTime() - storedDateTime1.getTime();
         expect(difference).to.be.greaterThan(1500);
+
+        // verify modified by
+        expect(updatedRecord[0].UpdatedBy).to.not.equal(null);
+        expect(updatedRecord[0].UpdatedBy[0].email).to.equal(
+          'test@example.com',
+        );
+        expect(updatedRecord[0].UpdatedBy[0].display_name).to.equal(null);
       });
 
       it('Modify record: verify that system fields are RO', async () => {
         const d1 = new Date();
         d1.setDate(d1.getDate() - 200);
 
-        // update record
+        // update record with date system fields
         await request(context.app)
           .patch(`/api/v2/tables/${table.id}/records`)
           .set('xc-auth', context.token)
@@ -287,9 +305,22 @@ function columnTypeSpecificTests() {
             },
           ])
           .expect(400);
+
+        // update record with user system fields
+        await request(context.app)
+          .patch(`/api/v2/tables/${table.id}/records`)
+          .set('xc-auth', context.token)
+          .send([
+            {
+              Id: unfilteredRecords[0].Id,
+              CreatedBy: 'test@example.com',
+              UpdatedBy: 'test@example.com',
+            },
+          ])
+          .expect(400);
       });
 
-      it('Add field: verify contents of both fields are same & new field is RO', async () => {
+      it('Add field: CreatedAt, verify contents of both fields are same & new field is RO', async () => {
         // add another CreatedTime field
         await createColumn(context, table, {
           title: 'CreatedAt2',
@@ -304,9 +335,16 @@ function columnTypeSpecificTests() {
         const records = await listRow({ base, table });
 
         // verify contents of both fields are same
-        expect(columns.columns[4].title).to.equal('CreatedAt2');
-        expect(columns.columns[4].uidt).to.equal(UITypes.CreatedTime);
-        expect(!!columns.columns[4].system).to.equal(false);
+        expect(columns.columns[defaultTableColumns.length].title).to.equal(
+          'CreatedAt2',
+        );
+        expect(columns.columns[defaultTableColumns.length].uidt).to.equal(
+          UITypes.CreatedTime,
+        );
+        expect(columns.columns[defaultTableColumns.length].system).to.equal(
+          false,
+        );
+
         expect(records[0].CreatedAt).to.equal(records[0].CreatedAt2);
 
         const d1 = new Date();
@@ -325,7 +363,79 @@ function columnTypeSpecificTests() {
           .expect(400);
       });
 
-      it('Delete & add field: verify contents of both fields are same', async () => {
+      it('Add field: CreatedBy, LastModifiedBy verify contents of both fields are proper & new field is RO', async () => {
+        // add another CreatedBy field
+        await createColumn(context, table, {
+          title: 'CreatedBy',
+          uidt: UITypes.CreatedBy,
+          column_name: 'CreatedBy',
+        });
+
+        // add another ModifiedBy field
+        await createColumn(context, table, {
+          title: 'LastModifiedBy',
+          uidt: UITypes.LastModifiedBy,
+          column_name: 'LastModifiedBy',
+        });
+
+        // get all columns
+        const columns = await getColumnsByAPI(context, base, table);
+
+        // get all records
+        const records = await listRow({ base, table });
+
+        // verify contents of both fields are same
+        expect(columns.columns[defaultTableColumns.length].title).to.equal(
+          'CreatedBy',
+        );
+        expect(columns.columns[defaultTableColumns.length].uidt).to.equal(
+          UITypes.CreatedBy,
+        );
+        expect(columns.columns[defaultTableColumns.length].system).to.equal(
+          false,
+        );
+        expect(records[0].CreatedBy).to.deep.equal({
+          id: context.user.id,
+          email: context.user.email,
+          display_name: context.user.display_name,
+        });
+
+        expect(columns.columns[defaultTableColumns.length + 1].title).to.equal(
+          'LastModifiedBy',
+        );
+        expect(columns.columns[defaultTableColumns.length + 1].uidt).to.equal(
+          UITypes.LastModifiedBy,
+        );
+        expect(columns.columns[defaultTableColumns.length + 1].system).to.equal(
+          false,
+        );
+        expect(records[0].UpdatedBy).to.deep.equal(null);
+
+        // update record should fail
+        await request(context.app)
+          .patch(`/api/v2/tables/${table.id}/records`)
+          .set('xc-auth', context.token)
+          .send([
+            {
+              Id: unfilteredRecords[0].Id,
+              CreatedBy: 'user@example.com',
+            },
+          ])
+          .expect(400);
+
+        await request(context.app)
+          .patch(`/api/v2/tables/${table.id}/records`)
+          .set('xc-auth', context.token)
+          .send([
+            {
+              Id: unfilteredRecords[0].Id,
+              LastModifiedBy: 'user@example.com',
+            },
+          ])
+          .expect(400);
+      });
+
+      it('Delete & add field: (CreatedAt) verify contents of both fields are same', async () => {
         // add another CreatedTime field
         await createColumn(context, table, {
           title: 'CreatedAt2',
@@ -335,7 +445,10 @@ function columnTypeSpecificTests() {
         // get all columns
         let columns = await getColumnsByAPI(context, base, table);
         // delete the field
-        await deleteColumn(context, { table, column: columns.columns[4] });
+        await deleteColumn(context, {
+          table,
+          column: columns.columns[defaultTableColumns.length],
+        });
         // create column again
         await createColumn(context, table, {
           title: 'CreatedAt2',
@@ -349,11 +462,54 @@ function columnTypeSpecificTests() {
         const records = await listRow({ base, table });
 
         // verify contents of both fields are same
-        expect(columns.columns[4].title).to.equal('CreatedAt2');
-        expect(columns.columns[4].uidt).to.equal(UITypes.CreatedTime);
-        expect(!!columns.columns[4].system).to.equal(false);
+        expect(columns.columns[defaultTableColumns.length].title).to.equal(
+          'CreatedAt2',
+        );
+        expect(columns.columns[defaultTableColumns.length].uidt).to.equal(
+          UITypes.CreatedTime,
+        );
+        expect(columns.columns[defaultTableColumns.length].system).to.equal(
+          false,
+        );
+
         expect(records[0].CreatedAt).to.equal(records[0].CreatedAt2);
       });
+
+      it('Delete & add field: (CreatedBy) verify contents of both fields are same', async () => {
+        // add another CreatedBy field
+        await createColumn(context, table, {
+          title: 'CreatedBy',
+          uidt: UITypes.CreatedBy,
+          column_name: 'CreatedBy',
+        });
+        // get all columns
+        let columns = await getColumnsByAPI(context, base, table);
+        // delete the field
+        await deleteColumn(context, { table, column: columns.columns[6] });
+        // create column again
+        await createColumn(context, table, {
+          title: 'CreatedBy',
+          uidt: UITypes.CreatedBy,
+          column_name: 'CreatedBy',
+        });
+        // get all columns
+        columns = await getColumnsByAPI(context, base, table);
+
+        // get all records
+        const records = await listRow({ base, table });
+
+        // verify contents of both fields are same
+        expect(columns.columns[defaultTableColumns.length].title).to.equal(
+          'CreatedBy',
+        );
+        expect(columns.columns[defaultTableColumns.length].uidt).to.equal(
+          UITypes.CreatedBy,
+        );
+        expect(columns.columns[defaultTableColumns.length].system).to.equal(
+          false,
+        );
+        expect(records[0].CreatedBy).to.deep.equal(records[0].CreatedBy);
+      });
     });
   });
 }

packages/nocodb/tests/unit/rest/tests/newDataApis.test.ts

@@ -83,6 +83,7 @@
 
 import 'mocha';
 import {
+  isCreatedOrLastModifiedByCol,
   isCreatedOrLastModifiedTimeCol,
   UITypes,
   ViewTypes,
@@ -679,7 +680,12 @@ function textBased() {
     expect(
       verifyColumnsInRsp(
         rsp.body.list[0],
-        columns.filter((c) => !isCreatedOrLastModifiedTimeCol(c) || !c.system),
+        columns.filter(
+          (c) =>
+            (!isCreatedOrLastModifiedTimeCol(c) &&
+              !isCreatedOrLastModifiedByCol(c)) ||
+            !c.system,
+        ),
       ),
     ).to.equal(true);
     const filteredArray = rsp.body.list.map((r) => r.SingleLineText);
@@ -700,7 +706,9 @@ function textBased() {
     const displayColumns = columns.filter(
       (c) =>
         c.title !== 'SingleLineText' &&
-        (!isCreatedOrLastModifiedTimeCol(c) || !c.system),
+        ((!isCreatedOrLastModifiedTimeCol(c) &&
+          !isCreatedOrLastModifiedByCol(c)) ||
+          !c.system),
     );
     expect(verifyColumnsInRsp(rsp.body.list[0], displayColumns)).to.equal(true);
   });
@@ -749,7 +757,8 @@ function textBased() {
       (c) =>
         c.title !== 'MultiLineText' &&
         c.title !== 'Email' &&
-        !isCreatedOrLastModifiedTimeCol(c),
+        !isCreatedOrLastModifiedTimeCol(c) &&
+        !isCreatedOrLastModifiedByCol(c),
     );
     expect(verifyColumnsInRsp(rsp.body.list[0], displayColumns)).to.equal(true);
     return gridView;
@@ -769,7 +778,8 @@ function textBased() {
       (c) =>
         c.title !== 'MultiLineText' &&
         c.title !== 'Email' &&
-        !isCreatedOrLastModifiedTimeCol(c),
+        !isCreatedOrLastModifiedTimeCol(c) &&
+        !isCreatedOrLastModifiedByCol(c),
     );
     expect(rsp.body.pageInfo.totalRows).to.equal(61);
     expect(verifyColumnsInRsp(rsp.body.list[0], displayColumns)).to.equal(true);
@@ -791,7 +801,8 @@ function textBased() {
       (c) =>
         c.title !== 'MultiLineText' &&
         c.title !== 'Email' &&
-        !isCreatedOrLastModifiedTimeCol(c),
+        !isCreatedOrLastModifiedTimeCol(c) &&
+        !isCreatedOrLastModifiedByCol(c),
     );
     expect(rsp.body.pageInfo.totalRows).to.equal(7);
     expect(verifyColumnsInRsp(rsp.body.list[0], displayColumns)).to.equal(true);
@@ -1628,7 +1639,8 @@ function dateBased() {
       delete r.Id;
       delete r.CreatedAt;
       delete r.UpdatedAt;
-      delete r.Id;
+      delete r.CreatedBy;
+      delete r.UpdatedBy;
     });
     rsp = await ncAxiosPost({
       body: records,