fix: BaseBuilder::getCompiledDelete() runs real query

Author: kenjis

system/Database/BaseBuilder.php

@@ -2803,9 +2803,9 @@ protected function _truncate(string $table): string
 	 */
 	public function getCompiledDelete(bool $reset = true): string
 	{
-		$table = $this->QBFrom[0];
-
-		$sql = $this->delete($table, null, $reset);
+		$this->testMode();
+		$sql = $this->delete('', null, $reset);
+		$this->testMode(false);
 
 		return $this->compileFinalQuery($sql);
 	}

tests/system/Database/Builder/DeleteTest.php

@@ -35,4 +35,28 @@ public function testDelete()
 		$this->assertEquals($expectedBinds, $builder->getBinds());
 	}
 
+	public function testGetCompiledDelete()
+	{
+		$builder = $this->db->table('jobs');
+
+		$builder->where('id', 1);
+		$sql = $builder->getCompiledDelete();
+
+		$expectedSQL = 'DELETE FROM "jobs"'
+			. "\n" . 'WHERE "id" = 1';
+		$this->assertEquals($expectedSQL, $sql);
+	}
+
+	public function testGetCompiledDeleteWithLimit()
+	{
+		$builder = $this->db->table('jobs');
+
+		$builder->where('id', 1);
+		$builder->limit(10);
+		$sql = $builder->getCompiledDelete();
+
+		$expectedSQL = 'DELETE FROM "jobs"'
+			. "\n" . 'WHERE "id" = 1 LIMIT 10';
+		$this->assertEquals($expectedSQL, $sql);
+	}
 }