feat: add DATESTR function support(PG)

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

@@ -386,6 +386,16 @@ const formulas: Record<string, FormulaMeta> = {
     ],
     returnType: FormulaDataTypes.DATE,
   },
+  DATESTR: {
+    validation: {
+      args: {
+        rqd: 1,
+      },
+    },
+    description: 'Formats a datetime into a string (YYYY-MM-DD)',
+    examples: ['DATESTR({column1})'],
+    returnType: FormulaDataTypes.STRING,
+  },
   DATETIME_DIFF: {
     validation: {
       args: {

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

@@ -919,6 +919,7 @@ export class MssqlUi {
       'COUNT',
       'ROUNDDOWN',
       'ROUNDUP',
+      'DATESTR',
     ];
   }
 }

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

@@ -1289,6 +1289,6 @@ export class MysqlUi {
   }
 
   static getUnsupportedFnList() {
-    return ['COUNTA', 'COUNT'];
+    return ['COUNTA', 'COUNT', 'DATESTR'];
   }
 }

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

@@ -948,6 +948,7 @@ export class OracleUi {
       'COUNT',
       'ROUNDDOWN',
       'ROUNDUP',
+      'DATESTR',
     ];
   }
 }

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

@@ -980,6 +980,7 @@ export class SnowflakeUi {
       'VALUE',
       'COUNTA',
       'COUNT',
+      'DATESTR',
     ];
   }
 }

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

@@ -882,7 +882,7 @@ export class SqliteUi {
       'COUNT',
       'ROUNDDOWN',
       'ROUNDUP',
-
+      'DATESTR',
     ];
   }
 }

packages/nocodb/src/db/functionMappings/pg.ts

@@ -134,6 +134,15 @@ const pg = {
       ),
     };
   },
+  DATESTR: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    return {
+      builder: knex.raw(
+        `TO_DATE(${
+          (await fn(pt?.arguments[0])).builder
+        }, 'YYYY-MM-DD') ${colAlias}`,
+      ),
+    };
+  },
   AND: async (args: MapFnArgs) => {
     return {
       builder: args.knex.raw(