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81 lines
2.8 KiB
PHP
81 lines
2.8 KiB
PHP
--TEST--
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Bug #42499 (Multi-statement execution via PDO::exec() makes connection unusable)
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--SKIPIF--
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<?php
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if (!extension_loaded('pdo') || !extension_loaded('pdo_mysql')) die('skip not loaded');
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require_once(__DIR__ . DIRECTORY_SEPARATOR . 'skipif.inc');
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require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
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MySQLPDOTest::skip();
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$db = MySQLPDOTest::factory();
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$stmt = $db->query('SELECT VERSION() as _version');
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$row = $stmt->fetch(PDO::FETCH_ASSOC);
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$matches = array();
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if (!preg_match('/^(\d+)\.(\d+)\.(\d+)/ismU', $row['_version'], $matches))
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die(sprintf("skip Cannot determine MySQL Server version\n"));
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$version = $matches[1] * 10000 + $matches[2] * 100 + $matches[3];
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if ($version < 41000)
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die(sprintf("skip Need MySQL Server 4.1.0+, found %d.%02d.%02d (%d)\n",
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$matches[1], $matches[2], $matches[3], $version));
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--FILE--
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<?php
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require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
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$db = MySQLPDOTest::factory();
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function bug_42499($db) {
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$db->exec('DROP TABLE IF EXISTS test');
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$db->exec("CREATE TABLE test(id CHAR(1)); INSERT INTO test(id) VALUES ('a')");
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$stmt = $db->query('SELECT id AS _id FROM test');
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var_dump($stmt->fetchAll(PDO::FETCH_ASSOC));
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// You must not use exec() to run statements that create a result set!
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$db->exec('SELECT id FROM test');
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// This will bail at you because you have not fetched the SELECT results: this is not a bug!
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$db->exec("INSERT INTO test(id) VALUES ('b')");
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}
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print "Emulated Prepared Statements...\n";
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$db = MySQLPDOTest::factory();
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$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, 1);
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$db->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, 1);
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bug_42499($db);
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print "Native Prepared Statements...\n";
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$db = MySQLPDOTest::factory();
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$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, 0);
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$db->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, 1);
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bug_42499($db);
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$db = MySQLPDOTest::factory();
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$db->exec('DROP TABLE IF EXISTS test');
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print "done!";
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?>
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--EXPECTF--
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Emulated Prepared Statements...
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array(1) {
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[0]=>
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array(1) {
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["_id"]=>
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string(1) "a"
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}
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}
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Warning: PDO::exec(): SQLSTATE[HY000]: General error: 2014 Cannot execute queries while other unbuffered queries are active. Consider using PDOStatement::fetchAll(). Alternatively, if your code is only ever going to run against mysql, you may enable query buffering by setting the PDO::MYSQL_ATTR_USE_BUFFERED_QUERY attribute. in %s on line %d
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Native Prepared Statements...
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array(1) {
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[0]=>
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array(1) {
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["_id"]=>
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string(1) "a"
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}
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}
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Warning: PDO::exec(): SQLSTATE[HY000]: General error: 2014 Cannot execute queries while other unbuffered queries are active. Consider using PDOStatement::fetchAll(). Alternatively, if your code is only ever going to run against mysql, you may enable query buffering by setting the PDO::MYSQL_ATTR_USE_BUFFERED_QUERY attribute. in %s on line %d
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done!
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