Merge pull request #7524 from nocodb/nc-fix/m2m-table

Nc fix/m2m table

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

@@ -5,7 +5,7 @@ import jsep from 'jsep'
 import {
   FormulaError,
   UITypes,
-  isCreatedOrLastModifiedByCol,
+  isHiddenCol,
   jsepCurlyHook,
   substituteColumnIdWithAliasInFormula,
   validateFormulaAndExtractTreeWithType,
@@ -58,7 +58,7 @@ const supportedColumns = computed(
         return false
       }
 
-      if (isCreatedOrLastModifiedByCol(col) && col.system) {
+      if (isHiddenCol(col)) {
         return false
       }
 

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, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isHiddenCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
 
 const props = defineProps<{
   // As we need to focus search box when the parent is opened
@@ -40,8 +40,8 @@ const options = computed<ColumnType[]>(
             return false
           }
 
-          if (isCreatedOrLastModifiedByCol(c)) {
-            /** ignore created by and last modified by system field */
+          if (isHiddenCol(c)) {
+            /** ignore mm relation column, created by and last modified by system field */
             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, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isHiddenCol, isLinksOrLTAR, isSystemColumn } from 'nocodb-sdk'
 
 const props = defineProps<{
   // As we need to focus search box when the parent is opened
@@ -33,8 +33,8 @@ const options = computed<ColumnType[]>(
           return true
         }
         if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
-          if (isCreatedOrLastModifiedByCol(c)) {
-            /** ignore created by and last modified by system field */
+          if (isHiddenCol(c)) {
+            /** ignore mm relation column, created by and last modified by system field */
             return false
           }
 

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, isCreatedOrLastModifiedByCol, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
+import { RelationTypes, UITypes, isHiddenCol, isLinksOrLTAR, isSystemColumn, isVirtualCol } from 'nocodb-sdk'
 import { MetaInj, computed, inject, ref, resolveComponent, useViewColumnsOrThrow } from '#imports'
 
 const { modelValue, isSort, allowEmpty, ...restProps } = defineProps<{
@@ -28,8 +28,8 @@ const options = computed<SelectProps['options']>(() =>
   (
     customColumns.value?.filter((c: ColumnType) => {
       if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
-        if (isCreatedOrLastModifiedByCol(c)) {
-          /** ignore created by and last modified by system field */
+        if (isHiddenCol(c)) {
+          /** ignore mm relation column, created by and last modified by system field */
           return false
         }
       }
@@ -40,8 +40,8 @@ const options = computed<SelectProps['options']>(() =>
         return true
       }
       if (isSystemColumn(metaColumnById?.value?.[c.id!])) {
-        if (isCreatedOrLastModifiedByCol(c)) {
-          /** ignore created by and last modified by system field */
+        if (isHiddenCol(c)) {
+          /** ignore mm relation column, created by and last modified by system field */
           return false
         }
 

packages/nc-gui/composables/useViewColumns.ts

@@ -1,4 +1,4 @@
-import { ViewTypes, isCreatedOrLastModifiedByCol, isSystemColumn } from 'nocodb-sdk'
+import { ViewTypes, isHiddenCol, 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'
@@ -72,7 +72,7 @@ const [useProvideViewColumns, useViewColumns] = useInjectionState(
         fields.value = meta.value?.columns
           ?.filter((column: ColumnType) => {
             // filter created by and last modified by system columns
-            if (isCreatedOrLastModifiedByCol(column) && column.system) return false
+            if (isHiddenCol(column)) return false
             return true
           })
           .map((column: ColumnType) => {

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

@@ -162,6 +162,21 @@ export function isCreatedOrLastModifiedByCol(
   );
 }
 
+export function isHiddenCol(
+  col: (ColumnReqType | ColumnType) & { system?: number | boolean }
+) {
+  return (
+    col.system &&
+    (
+      [
+        UITypes.CreatedBy,
+        UITypes.LastModifiedBy,
+        UITypes.LinkToAnotherRecord,
+      ] as string[]
+    ).includes(col.uidt)
+  );
+}
+
 export function isLinksOrLTAR(
   colOrUidt: ColumnType | { uidt: UITypes | string } | UITypes | string
 ) {

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

@@ -123,6 +123,10 @@ export enum TiptapMarksTypes {
   underline = 'underline',
 }
 
+export enum NcDataErrorCodes {
+  NC_ERR_MM_MODEL_NOT_FOUND = 'NC_ERR_MM_MODEL_NOT_FOUND',
+}
+
 type Roles = OrgUserRoles | ProjectRoles | WorkspaceUserRoles;
 
 type RolesObj = Partial<Record<Roles, boolean>>;

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

@@ -16,6 +16,7 @@ export {
   isLinksOrLTAR,
   isCreatedOrLastModifiedTimeCol,
   isCreatedOrLastModifiedByCol,
+  isHiddenCol,
 } from '~/lib/UITypes';
 export { default as CustomAPI, FileType } from '~/lib/CustomAPI';
 export { default as TemplateGenerator } from '~/lib/TemplateGenerator';

packages/nocodb/src/db/BaseModelSqlv2.ts

@@ -1251,6 +1251,12 @@ class BaseModelSqlv2 {
     // const tn = this.model.tn;
     // const cn = (await relColOptions.getChildColumn()).title;
     const mmTable = await relColOptions.getMMModel();
+
+    // if mm table is not present then return
+    if (!mmTable) {
+      return;
+    }
+
     const vtn = this.getTnPath(mmTable);
     const vcn = (await relColOptions.getMMChildColumn()).column_name;
     const vrcn = (await relColOptions.getMMParentColumn()).column_name;

packages/nocodb/src/db/genRollupSelectv2.ts

@@ -1,4 +1,4 @@
-import { RelationTypes } from 'nocodb-sdk';
+import { NcDataErrorCodes, RelationTypes } from 'nocodb-sdk';
 import type { BaseModelSqlv2 } from '~/db/BaseModelSqlv2';
 import type { LinksColumn } from '~/models';
 import type { RollupColumn } from '~/models';
@@ -56,6 +56,12 @@ export default async function ({
       const mmChildCol = await relationColumnOption.getMMChildColumn();
       const mmParentCol = await relationColumnOption.getMMParentColumn();
 
+      if (!mmModel) {
+        return this.dbDriver.raw(`?`, [
+          NcDataErrorCodes.NC_ERR_MM_MODEL_NOT_FOUND,
+        ]);
+      }
+
       return {
         builder: knex(
           knex.raw(`?? as ??`, [

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

@@ -8,6 +8,7 @@ import {
   isVirtualCol,
   ModelTypes,
   ProjectRoles,
+  RelationTypes,
   UITypes,
 } from 'nocodb-sdk';
 import { MetaDiffsService } from './meta-diffs.service';
@@ -172,6 +173,38 @@ export class TablesService {
     const table = await Model.getByIdOrName({ id: param.tableId });
     await table.getColumns();
 
+    if (table.mm) {
+      const columns = await table.getColumns();
+
+      // get table names of the relation which uses the current table as junction table
+      const tables = await Promise.all(
+        columns
+          .filter((c) => isLinksOrLTAR(c))
+          .map((c) => c.colOptions.getRelatedTable()),
+      );
+
+      // get relation column names
+      const relColumns = await Promise.all(
+        tables.map((t) => {
+          return t.getColumns().then((cols) => {
+            return cols.find((c) => {
+              return (
+                isLinksOrLTAR(c) &&
+                (c.colOptions as LinkToAnotherRecordColumn).type ===
+                  RelationTypes.MANY_TO_MANY &&
+                (c.colOptions as LinkToAnotherRecordColumn).fk_mm_model_id ===
+                  table.id
+              );
+            });
+          });
+        }),
+      );
+
+      NcError.badRequest(
+        `This is a many to many table for ${tables[0]?.title} (${relColumns[0]?.title}) & ${tables[1]?.title} (${relColumns[1]?.title}). You can disable "Show M2M tables" in base settings to avoid seeing this.`,
+      );
+    }
+
     const base = await Base.getWithInfo(table.base_id);
     const source = base.sources.find((b) => b.id === table.source_id);