fix: handle non-string types in formula(switch/if with blank function)

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

@@ -880,17 +880,26 @@ async function _formulaQueryBuilder(
           for (const operand of ['left', 'right']) {
             if (
               pt[operand].type === 'CallExpression' &&
-              pt[operand].callee.name === 'BLANK' &&
-              pt[operand === 'left' ?'right' : 'left'].dataType ===
-                FormulaDataTypes.STRING
+              pt[operand].callee.name === 'BLANK'
             ) {
+              const isString =
+                pt[operand === 'left' ? 'right' : 'left'].dataType ===
+                FormulaDataTypes.STRING;
+              let calleeName;
+
+              if (pt.operator === '==') {
+                calleeName = isString ? 'ISBLANK' : 'ISNULL';
+              } else {
+                calleeName = isString ? 'ISNOTBLANK' : 'ISNOTNULL';
+              }
+
               return fn(
                 {
                   type: 'CallExpression',
                   arguments: [operand === 'left' ? pt.right : pt.left],
                   callee: {
                     type: 'Identifier',
-                    name: pt.operator === '==' ? 'ISBLANK' : 'NOTBLANK',
+                    name: calleeName,
                   },
                 },
                 alias,

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

@@ -77,11 +77,16 @@ export default {
 
       if (
         args.pt.arguments[i * 2 + 1].type === 'CallExpression' &&
-        args.pt.arguments[i * 2 + 1].callee?.name === 'BLANK' &&
-        args.pt.arguments[i * 2 + 1].dataType === FormulaDataTypes.STRING
+        args.pt.arguments[i * 2 + 1].callee?.name === 'BLANK'
       ) {
         elseValPrefix += args.knex
-          .raw(`\n\tWHEN ${switchVal} IS NULL OR ${switchVal} = '' THEN ${val}`)
+          .raw(
+            `\n\tWHEN ${switchVal} IS NULL ${
+              args.pt.arguments[i * 2 + 1].dataType === FormulaDataTypes.STRING
+                ? `OR ${switchVal} = ''`
+                : ''
+            } THEN ${val}`,
+          )
           .toQuery();
       } else if (
         args.pt.arguments[i * 2 + 1].dataType === FormulaDataTypes.NULL
@@ -353,6 +358,13 @@ export default {
       ),
     };
   },
+  ISNULL: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const { builder: valueBuilder } = await fn(pt.arguments[0]);
+
+    return {
+      builder: knex.raw(`(${valueBuilder} IS NULL)${colAlias}`),
+    };
+  },
   ISNOTBLANK: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
     const { builder: valueBuilder } = await fn(pt.arguments[0]);
 
@@ -362,4 +374,11 @@ export default {
       ),
     };
   },
+  ISNOTNULL: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const { builder: valueBuilder } = await fn(pt.arguments[0]);
+
+    return {
+      builder: knex.raw(`(${valueBuilder} IS NOT NULL)${colAlias}`),
+    };
+  },
 };