fix: XOR - formula function - WIP

packages/nc-gui/utils/formulaUtils.ts

@@ -486,6 +486,17 @@ const formulas: Record<string, any> = {
     syntax: 'BLANK()',
     examples: ['BLANK()'],
   },
+  XOR: {
+    type: formulaTypes.NUMERIC,
+    validation: {
+      args: {
+        min: 1,
+      },
+    },
+    description: 'Returns true if an odd number of arguments are true.',
+    syntax: 'XOR(expression, [exp2, ...])',
+    examples: ['XOR(TRUE(), FALSE(), TRUE())'],
+  },
 }
 
 const formulaList = Object.keys(formulas)

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

@@ -193,7 +193,7 @@ const pg = {
     const source = (await fn(pt.arguments[0])).builder;
     const pattern = (await fn(pt.arguments[1])).builder;
     return {
-      builder: knex.raw(`(${source}::text ~ ${pattern}::text) ${colAlias}`),
+      builder: knex.raw(`(${source}::TEXT ~ ${pattern}::TEXT) ${colAlias}`),
     };
   },
   REGEX_EXTRACT: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
@@ -202,8 +202,8 @@ const pg = {
     return {
       builder: knex.raw(
         // use `SUBSTRING` since REGEXP_MATCH returns array value
-        // `REGEXP_MATCH(${source}::text, ${pattern}::text) ${colAlias}`,
-        `SUBSTRING(${source}::text from ${pattern}::text) ${colAlias}`,
+        // `REGEXP_MATCH(${source}::TEXT, ${pattern}::TEXT) ${colAlias}`,
+        `SUBSTRING(${source}::TEXT from ${pattern}::TEXT) ${colAlias}`,
       ),
     };
   },
@@ -213,10 +213,22 @@ const pg = {
     const replacement = (await fn(pt.arguments[2])).builder;
     return {
       builder: knex.raw(
-        `REGEXP_REPLACE(${source}::text, ${pattern}::text, ${replacement}::text, 'g') ${colAlias}`,
+        `REGEXP_REPLACE(${source}::TEXT, ${pattern}::TEXT, ${replacement}::TEXT, 'g') ${colAlias}`,
       ),
     };
   },
+  XOR: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const args = await Promise.all(
+      pt.arguments.map(async (arg) => {
+        return knex.raw(
+          `(${(await fn(pt.arguments[0])).builder} IS NOT NULL)::INTEGER`,
+        );
+      }),
+    );
+    return {
+      builder: knex.raw(`check (${args.join(' + ')} = 1)`),
+    };
+  },
 };
 
 export default pg;