fix: throw Postgre query errors with warnings disabled (#6913)

Author: wakqasahmed

system/Database/Postgre/Connection.php

@@ -207,7 +207,13 @@ public function getVersion(): string
     protected function execute(string $sql)
     {
         try {
-            return pg_query($this->connID, $sql);
+            $result = pg_query($this->connID, $sql);
+
+            if ($result === false && $this->DBDebug) {
+                throw new DatabaseException((string) pg_last_error($this->connID));
+            }
+
+            return $result;
         } catch (ErrorException $e) {
             $trace = array_slice($e->getTrace(), 2); // remove the call to error handler
 

tests/system/Database/Live/BadQueryTest.php

@@ -53,4 +53,22 @@ public function testBadQueryDebugFalse(): void
 
         $this->enableDBDebug();
     }
+
+    public function testPostgreBadQueryDebugTrueWithWarningsDisabled(): void
+    {
+        if ($this->db->DBDriver !== 'Postgre') {
+            $this->markTestSkipped('This test is only for Postgre.');
+        }
+
+        $this->enableDBDebug();
+        $errorReporting = error_reporting(E_ALL & ~E_WARNING);
+
+        try {
+            $this->expectException(DatabaseException::class);
+            $this->expectExceptionMessage('table_does_not_exist');
+            $this->db->query('SELECT * FROM table_does_not_exist');
+        } finally {
+            error_reporting($errorReporting);
+        }
+    }
 }