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

--TEST--
Test with cursor scroll and select different rows in some random order
--SKIPIF--
<?php require('skipif_mid-refactor.inc'); ?>
--FILE--
<?php
require_once("MsCommon_mid-refactor.inc");

function cursorForwardOnly($conn, $tableName)
{
    createTable($conn, $tableName, array("c1_int" => "int", "c2_tinyint" => "tinyint", "c3_smallint" => "smallint", "c4_bigint" => "bigint", "c5_bit" => "bit"));

    // insert data
    $numRows = insertData($conn, $tableName);

    // select table
    if (!isColEncrypted()) {
        $stmt = $conn->prepare("SELECT * FROM $tableName ORDER BY c1_int", array( constant('PDO::ATTR_CURSOR') => PDO::CURSOR_FWDONLY ));
    } else {
        // ORDER BY is not supported for encrypted columns
        $stmt = $conn->prepare("SELECT * FROM $tableName", array( constant('PDO::ATTR_CURSOR') => PDO::CURSOR_FWDONLY ));
    }
    $stmt->execute();

    $numRowsFetched = 0;
    while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
        echo "$row[0]\n";
        $numRowsFetched++;
    }

    if ($numRowsFetched != $numRows) {
        echo "Number of rows fetched $numRowsFetched is wrong! Expected $numRows\n";
    }

    unset($stmt);
}

function cursorScrollFetchRows($conn, $tableName)
{
    if (!isColEncrypted()) {
        $stmt = $conn->prepare("SELECT * FROM $tableName ORDER BY c1_int", array(PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL));
    } else {
        // ORDER BY is not supported for encrypted columns
        $stmt = $conn->prepare("SELECT * FROM $tableName", array(PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL));
    }
    $stmt->execute();

    getFirstRow($stmt);
    getNextRow($stmt);
    getLastRow($stmt);
    getPriorRow($stmt);
    getAbsoluteRow($stmt, 7);
    getAbsoluteRow($stmt, 2);
    getRelativeRow($stmt, 3);
    getPriorRow($stmt);
    getRelativeRow($stmt, -4);
    getAbsoluteRow($stmt, 0);
    getNextRow($stmt);
    getRelativeRow($stmt, 5);
    getAbsoluteRow($stmt, -1);
    getNextRow($stmt);
    getLastRow($stmt);
    getRelativeRow($stmt, 1);

    unset($stmt);
}

function insertData($conn, $tableName)
{
    $numRows = 0;

    insertRow($conn, $tableName, array("c1_int" => 1, "c2_tinyint" => 0, "c3_smallint" => null, "c4_bigint" => 922337203685477, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 2, "c2_tinyint" => null, "c3_smallint" => -32768, "c4_bigint" => 922337203685477, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 3, "c2_tinyint" => 255, "c3_smallint" => -32768, "c4_bigint" => 1035941737, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 4, "c2_tinyint" => null, "c3_smallint" => 4762, "c4_bigint" => 804325764, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 5, "c2_tinyint" => 57, "c3_smallint" => 32767, "c4_bigint" => -922337203685477, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 6, "c2_tinyint" => 201, "c3_smallint" => -32768, "c4_bigint" => 450619355, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 7, "c2_tinyint" => 244, "c3_smallint" => -21244, "c4_bigint" => 981345728, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 8, "c2_tinyint" => 143, "c3_smallint" => 0, "c4_bigint" => -1330405117, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 9, "c2_tinyint" => null, "c3_smallint" => null, "c4_bigint" => 209123628, "c5_bit" => 0));
    $numRows++;

    insertRow($conn, $tableName, array("c1_int" => 10, "c2_tinyint" => 147, "c3_smallint" => 21133, "c4_bigint" => -1, "c5_bit" => 0));
    $numRows++;

    return $numRows;
}

function getFirstRow($stmt)
{
    echo "first row: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_FIRST, 0);
    if ($row)
        echo "$row[0]";
    echo "\n";
}

function getNextRow($stmt)
{
    echo "next row: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_NEXT, 0);
    if ($row)
        echo "$row[0]";
    echo "\n";
}

function getPriorRow($stmt)
{
    echo "prior row: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_PRIOR, 0);
    if ($row)
        echo "$row[0]";
    echo "\n";
}

function getLastRow($stmt)
{
    echo "last row: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_LAST, 0);
    if ($row)
        echo "$row[0]";
    echo "\n";
}

function getRelativeRow($stmt, $offset)
{
    echo "row $offset from the current row: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_REL, $offset);
    if ($row)
        echo "$row[0]";
    echo "\n";
}

function getAbsoluteRow($stmt, $offset)
{
    echo "absolute row with offset $offset: ";
    $row = $stmt->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_ABS, $offset);
    if ($row)
        echo "$row[0]";
    echo "\n";
}


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

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

    cursorForwardOnly($conn, $tableName);
    cursorScrollFetchRows($conn, $tableName);

    dropTable($conn, $tableName);
    unset($conn);
} catch (Exception $e) {
    echo $e->getMessage();
}
echo "Done\n";
?>
--EXPECT--
Test begins...
1
2
3
4
5
6
7
8
9
10
first row: 1
next row: 2
last row: 10
prior row: 9
absolute row with offset 7: 8
absolute row with offset 2: 3
row 3 from the current row: 6
prior row: 5
row -4 from the current row: 1
absolute row with offset 0: 1
next row: 2
row 5 from the current row: 7
absolute row with offset -1: 
next row: 1
last row: 10
row 1 from the current row: 
Done