fix: remove default value from CreatedTime field since it's programmatically generated

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

@@ -100,7 +100,7 @@ export class MssqlUi {
         pk: false,
         un: false,
         ai: false,
-        cdf: 'GETDATE()',
+        cdf: '',
         clen: 45,
         np: null,
         ns: null,
@@ -736,7 +736,6 @@ export class MssqlUi {
         break;
       case 'CreatedTime':
         colProp.dt = 'datetime';
-        colProp.cdf = 'GETDATE()';
         break;
       case 'LastModifiedTime':
         colProp.dt = 'datetime';

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

@@ -104,7 +104,7 @@ export class MysqlUi {
         pk: false,
         un: false,
         ai: false,
-        cdf: 'CURRENT_TIMESTAMP',
+        cdf: '',
         clen: 45,
         np: null,
         ns: null,
@@ -1074,11 +1074,9 @@ export class MysqlUi {
         break;
       case 'CreatedTime':
         colProp.dt = 'timestamp';
-        colProp.cdf = 'CURRENT_TIMESTAMP';
         break;
       case 'LastModifiedTime':
         colProp.dt = 'timestamp';
-        colProp.cdf = 'CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP';
         break;
       case 'AutoNumber':
         colProp.dt = 'int';

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

@@ -163,7 +163,7 @@ export class PgUi {
         pk: false,
         un: false,
         ai: false,
-        cdf: 'now()',
+        cdf: '',
         clen: 45,
         np: null,
         ns: null,
@@ -1687,7 +1687,6 @@ export class PgUi {
         break;
       case 'CreatedTime':
         colProp.dt = 'timestamp';
-        colProp.cdf = 'now()';
         break;
       case 'LastModifiedTime':
         colProp.dt = 'timestamp';

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

@@ -99,7 +99,7 @@ export class SnowflakeUi {
         pk: false,
         un: false,
         ai: false,
-        cdf: 'current_timestamp()',
+        cdf: '',
         clen: 45,
         np: null,
         ns: null,
@@ -778,7 +778,6 @@ export class SnowflakeUi {
         break;
       case 'CreatedTime':
         colProp.dt = 'TIMESTAMP';
-        colProp.cdf = 'current_timestamp()';
         break;
       case 'LastModifiedTime':
         colProp.dt = 'TIMESTAMP';

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

@@ -87,7 +87,7 @@ export class SqliteUi {
         pk: false,
         un: false,
         ai: false,
-        cdf: 'CURRENT_TIMESTAMP',
+        cdf: '',
         clen: 45,
         np: null,
         ns: null,
@@ -629,7 +629,6 @@ export class SqliteUi {
         break;
       case 'CreatedTime':
         colProp.dt = 'datetime';
-        colProp.cdf = 'CURRENT_TIMESTAMP';
         break;
       case 'LastModifiedTime':
         colProp.dt = 'datetime';

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

@@ -113,6 +113,7 @@ async function upgradeModels({
               },
               source,
             )),
+            cdf: null,
             system: true,
             altered: Altered.NEW_COLUMN,
           });
@@ -125,10 +126,10 @@ async function upgradeModels({
                 uidt: UITypes.LastModifiedTime,
                 column_name: getUniqueColumnName(columns, 'updated_at'),
                 title: getUniqueColumnAliasName(columns, 'Updated At'),
-                cdf: null,
               },
               source,
             )),
+            cdf: null,
             system: true,
             altered: Altered.NEW_COLUMN,
           });