From d6e986d8faaf5e9018289feffe405f2e9f40a38f Mon Sep 17 00:00:00 2001
From: Pranav C <pranavxc@gmail.com>
Date: Wed, 22 Nov 2023 07:17:54 +0000
Subject: [PATCH] feat:  add regex method support - pg

---
 packages/nocodb/src/db/functionMappings/pg.ts | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/packages/nocodb/src/db/functionMappings/pg.ts b/packages/nocodb/src/db/functionMappings/pg.ts
index 79aafa86a9..7679f86ecf 100644
--- a/packages/nocodb/src/db/functionMappings/pg.ts
+++ b/packages/nocodb/src/db/functionMappings/pg.ts
@@ -189,6 +189,32 @@ const pg = {
       builder: knex.raw(`MOD((${x})::NUMERIC, (${y})::NUMERIC) ${colAlias}`),
     };
   },
+  REGEX_MATCH: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const source = (await fn(pt.arguments[0])).builder;
+    const pattern = (await fn(pt.arguments[1])).builder;
+    return {
+      builder: knex.raw(`${source}::text ~ ${pattern}::text) ${colAlias}`),
+    };
+  },
+  REGEX_EXTRACT: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const source = (await fn(pt.arguments[0])).builder;
+    const pattern = (await fn(pt.arguments[1])).builder;
+    return {
+      builder: knex.raw(
+        `regexp_matches(${source}::text, ${pattern}::text) ${colAlias}`,
+      ),
+    };
+  },
+  REGEX_REPLACE: async ({ fn, knex, pt, colAlias }: MapFnArgs) => {
+    const source = (await fn(pt.arguments[0])).builder;
+    const pattern = (await fn(pt.arguments[1])).builder;
+    const replacement = (await fn(pt.arguments[2])).builder;
+    return {
+      builder: knex.raw(
+        `regexp_matches(${source}::text, ${pattern}::text, ${replacement}::text) ${colAlias}`,
+      ),
+    };
+  },
 };
 
 export default pg;