php-sqlsrv/test/functional/pdo_sqlsrv/pdo_fetch_complex_transactions.phpt

--TEST--
Test transactions commit, rollback and aborting in between
--SKIPIF--
<?php require('skipif_mid-refactor.inc'); ?>
--FILE--
<?php
require_once("MsCommon_mid-refactor.inc");

function complexTransaction($conn, $tableName)
{
    createTable($conn, $tableName, array("c1_int" => "int", "c2_real" => "real"));

    $stmtSelect = $conn->prepare("SELECT * FROM $tableName");
    $stmtDelete = $conn->prepare("DELETE TOP(3) FROM $tableName");

    // insert ten rows
    $numRows = 10;
    insertData($conn, $tableName, $numRows);
    fetchData($stmtSelect, $tableName, $numRows);

    $conn->beginTransaction();
    $stmtDelete->execute();
    $rowsAffected = $stmtDelete->rowCount();
    $conn->commit();
    echo "Committed deleting 3 rows\n";

    $numRows = $numRows - $rowsAffected;
    fetchData($stmtSelect, $tableName, $numRows);

    $conn->beginTransaction();
    $stmtDelete->execute();
    $conn->rollback();
    echo "Rolled back\n";

    fetchData($stmtSelect, $tableName, $numRows);

    $conn->beginTransaction();
    $stmtDelete->execute();
    $rowsAffected = $stmtDelete->rowCount();
    $conn->commit();
    echo "Committed deleting 3 rows\n";

    $numRows = $numRows - $rowsAffected;
    fetchData($stmtSelect, $tableName, $numRows);

    $conn->beginTransaction();
    $stmtDelete->execute();
    $conn->rollback();
    echo "Rolled back\n";

    fetchData($stmtSelect, $tableName, $numRows);

    $conn->beginTransaction();
    $stmtDelete->execute();

    echo "Deletion aborted\n";

    return $numRows;
}

function insertData($conn, $tableName, $count)
{
    $stmt = $conn->prepare("INSERT INTO $tableName (c1_int, c2_real) VALUES (?, ?)");

    for ($i = 0; $i < $count; $i++) {
        $v1 = $i + 1;
        $v2 = $v1 * 1.5;

        $stmt->bindValue(1, $v1);
        $stmt->bindValue(2, $v2);
        $stmt->execute();
    }
}

function fetchData($stmt, $tableName, $numRows, $fetchMode = false)
{
    $numFetched = 0;
    $stmt->execute();
    if ($fetchMode) {
        $stmt->setFetchMode(PDO::FETCH_LAZY);
        while ($result = $stmt->fetch()) {
            $numFetched++;
        }
    } else {
        while ($result = $stmt->fetch(PDO::FETCH_LAZY)) {
            $numFetched++;
        }
    }

    echo "Number of rows fetched: $numFetched\n";
    if ($numFetched != $numRows) {
        echo "Expected $numRows rows.\n";
    }
}

//--------------------------------------------------------------------
// RunTest
//
//--------------------------------------------------------------------

echo "Test begins...\n";
try {
    // Connect
    $conn = connect();
    $conn2 = connect();

    $tableName = getTableName('testTransaction');

    // complexTransaction() returns number of rows left in $tableName
    $numRows = complexTransaction($conn, $tableName);
    // disconnect first connection, transaction aborted
    unset($conn);

    // select table using the second connection
    $stmt = $conn2->prepare("SELECT * FROM $tableName");
    fetchData($stmt, $tableName, $numRows, true);

    // drop test table
    dropTable($conn2, $tableName);
    unset($conn);
} catch (Exception $e) {
    echo $e->getMessage();
}
echo "Done\n";
?>
--EXPECT--
Test begins...
Number of rows fetched: 10
Committed deleting 3 rows
Number of rows fetched: 7
Rolled back
Number of rows fetched: 7
Committed deleting 3 rows
Number of rows fetched: 4
Rolled back
Number of rows fetched: 4
Deletion aborted
Number of rows fetched: 4
Done