refactor: sql-tools (#19717)

server/src/sql-tools/readers/extension.reader.ts

@@ -0,0 +1,14 @@
+import { DatabaseReader } from 'src/sql-tools/types';
+
+export const readExtensions: DatabaseReader = async (schema, db) => {
+  const extensions = await db
+    .selectFrom('pg_catalog.pg_extension')
+    // .innerJoin('pg_namespace', 'pg_namespace.oid', 'pg_catalog.pg_extension.extnamespace')
+    // .where('pg_namespace.nspname', '=', schemaName)
+    .select(['extname as name', 'extversion as version'])
+    .execute();
+
+  for (const { name } of extensions) {
+    schema.extensions.push({ name, synchronize: true });
+  }
+};