Use table-based queries in gh20214 test for Firebird compat

Firebird requires SELECT ... FROM table syntax; bare SELECT 'val' AS col
is not valid. Create a test table to make the test cross-driver compatible.

Author: iliaal

ext/pdo/tests/gh20214.phpt

@@ -14,43 +14,46 @@ PDOTest::skip();
 if (getenv('REDIR_TEST_DIR') === false) putenv('REDIR_TEST_DIR='.__DIR__ . '/../../pdo/tests/');
 require_once getenv('REDIR_TEST_DIR') . 'pdo_test.inc';
 $db = PDOTest::factory();
+
+$db->exec('CREATE TABLE gh20214 (c1 VARCHAR(10), c2 VARCHAR(10))');
+$db->exec("INSERT INTO gh20214 VALUES ('v1', 'v2')");
+
 $db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
 
 // setFetchMode with FETCH_DEFAULT should use connection default (FETCH_OBJ)
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
+$stmt = $db->query('SELECT c1, c2 FROM gh20214');
 $stmt->setFetchMode(PDO::FETCH_DEFAULT);
 $row = $stmt->fetch();
 var_dump($row instanceof stdClass);
 var_dump($row->c1);
 
 // fetch with FETCH_DEFAULT should also use connection default
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
+$stmt = $db->query('SELECT c1, c2 FROM gh20214');
 $row = $stmt->fetch(PDO::FETCH_DEFAULT);
 var_dump($row instanceof stdClass);
 
 // fetchAll with FETCH_DEFAULT should also use connection default
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
+$stmt = $db->query('SELECT c1, c2 FROM gh20214');
 $rows = $stmt->fetchAll(PDO::FETCH_DEFAULT);
 var_dump($rows[0] instanceof stdClass);
 
 // setFetchMode then fetch without argument
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
+$stmt = $db->query('SELECT c1, c2 FROM gh20214');
 $stmt->setFetchMode(PDO::FETCH_DEFAULT);
 $row = $stmt->fetch();
 var_dump($row instanceof stdClass);
 
 // query() with FETCH_DEFAULT as second argument
 $db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_NUM);
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2", PDO::FETCH_DEFAULT);
+$stmt = $db->query('SELECT c1, c2 FROM gh20214', PDO::FETCH_DEFAULT);
 $row = $stmt->fetch();
 var_dump(is_array($row) && isset($row[0]));
-
-// FETCH_DEFAULT with flags should preserve the flags
-$db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
-$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
-$stmt->setFetchMode(PDO::FETCH_DEFAULT | PDO::FETCH_GROUP);
-$rows = $stmt->fetchAll();
-var_dump(is_array($rows) && array_key_exists('v1', $rows));
+?>
+--CLEAN--
+<?php
+require_once getenv('REDIR_TEST_DIR') . 'pdo_test.inc';
+$db = PDOTest::factory();
+PDOTest::dropTableIfExists($db, "gh20214");
 ?>
 --EXPECT--
 bool(true)
@@ -59,4 +62,3 @@ bool(true)
 bool(true)
 bool(true)
 bool(true)
-bool(true)