194 lines
4.6 KiB
PHP
194 lines
4.6 KiB
PHP
--TEST--
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Test various cursor types and whether they reflect changes in the database
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--FILE--
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<?php
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include 'tools.inc';
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function Fetch_WithCursor($conn, $cursorType)
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{
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$tableName = GetTempTableName();
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$stmt = sqlsrv_query($conn, "CREATE TABLE $tableName ([c1_int] int, [c2_char] char(10))");
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sqlsrv_free_stmt($stmt);
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// insert four rows
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$numRows = 4;
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InsertData($conn, $tableName, 0, $numRows);
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// select table
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$stmt = sqlsrv_prepare($conn, "SELECT * FROM $tableName", array(), array('Scrollable' => $cursorType));
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sqlsrv_execute($stmt);
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GetNumRows($stmt, $cursorType);
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$numRowsFetched = 0;
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while ($obj = sqlsrv_fetch_object($stmt))
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{
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echo $obj->c1_int . "\n";
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$numRowsFetched++;
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}
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if ($numRowsFetched != $numRows)
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echo "Number of rows fetched $numRowsFetched is wrong! Expected $numRows\n";
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DeleteThenFetchLastRow($conn, $stmt, $tableName, 4);
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}
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function InsertData($conn, $tableName, $start, $count)
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{
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$stmt = sqlsrv_prepare($conn, "INSERT INTO $tableName (c1_int, c2_char) VALUES (?, ?)", array(&$v1, &$v2));
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$numRows = $start + $count;
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for ($i = $start; $i < $numRows; $i++)
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{
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$v1 = $i + 1;
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$v2 = "Row " . $v1;
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sqlsrv_execute($stmt);
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}
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}
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function DeleteThenFetchLastRow($conn, $stmt, $tableName, $id)
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{
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echo "\nNow delete the last row then try to fetch it...\n";
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$stmt2 = sqlsrv_query( $conn, "DELETE FROM $tableName WHERE [c1_int] = 4" );
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if ( $stmt2 !== false ) {
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sqlsrv_free_stmt( $stmt2 );
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}
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$result = sqlsrv_fetch( $stmt, SQLSRV_SCROLL_LAST );
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if ($result)
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{
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$field1 = sqlsrv_get_field( $stmt, 0 );
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$field2 = sqlsrv_get_field( $stmt, 1 );
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var_dump($field1);
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var_dump($field2);
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}
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else
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{
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var_dump($result);
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}
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}
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function GetNumRows($stmt, $cursorType)
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{
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$expectedToFail = false;
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if ($cursorType == SQLSRV_CURSOR_FORWARD || $cursorType == SQLSRV_CURSOR_DYNAMIC)
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$expectedToFail = true;
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$rowCount = 0;
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$rowCount = sqlsrv_num_rows( $stmt );
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if ($expectedToFail)
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{
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if ($rowCount === false)
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{
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echo "Error occurred in sqlsrv_num_rows, which is expected\n";
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}
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else
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{
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echo "sqlsrv_num_rows expected to fail!\n";
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}
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}
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else
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{
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if ($rowCount === false)
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{
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echo "Error occurred in sqlsrv_num_rows, which is unexpected!\n";
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}
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else
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{
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echo "Number of rows: $rowCount\n";
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}
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}
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}
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//--------------------------------------------------------------------
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// RunTest
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//
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//--------------------------------------------------------------------
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function RunTest()
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{
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StartTest("sqlsrv_fetch_cursor_types");
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try
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{
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set_time_limit(0);
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sqlsrv_configure('WarningsReturnAsErrors', 1);
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require_once("autonomous_setup.php");
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$database = "tempdb";
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// Connect
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$connectionInfo = array('Database'=>$database, 'UID'=>$username, 'PWD'=>$password);
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$conn = sqlsrv_connect($serverName, $connectionInfo);
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if( !$conn ) { FatalError("Could not connect.\n"); }
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echo "\nUsing SQLSRV_CURSOR_FORWARD...\n";
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Fetch_WithCursor($conn, SQLSRV_CURSOR_FORWARD);
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echo "\nUsing SQLSRV_CURSOR_DYNAMIC...\n";
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Fetch_WithCursor($conn, SQLSRV_CURSOR_DYNAMIC);
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echo "\nUsing SQLSRV_CURSOR_KEYSET...\n";
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Fetch_WithCursor($conn, SQLSRV_CURSOR_KEYSET);
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echo "\nUsing SQLSRV_CURSOR_STATIC...\n";
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Fetch_WithCursor($conn, SQLSRV_CURSOR_STATIC);
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sqlsrv_close($conn);
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}
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catch (Exception $e)
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{
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echo $e->getMessage();
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}
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echo "\nDone\n";
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EndTest("sqlsrv_fetch_cursor_types");
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}
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RunTest();
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?>
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--EXPECT--
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...Starting 'sqlsrv_fetch_cursor_types' test...
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Using SQLSRV_CURSOR_FORWARD...
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Error occurred in sqlsrv_num_rows, which is expected
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1
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2
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3
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4
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Now delete the last row then try to fetch it...
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bool(false)
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Using SQLSRV_CURSOR_DYNAMIC...
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Error occurred in sqlsrv_num_rows, which is expected
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1
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2
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3
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4
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Now delete the last row then try to fetch it...
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int(3)
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string(10) "Row 3 "
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Using SQLSRV_CURSOR_KEYSET...
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Number of rows: 4
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1
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2
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3
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4
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Now delete the last row then try to fetch it...
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bool(false)
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bool(false)
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Using SQLSRV_CURSOR_STATIC...
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Number of rows: 4
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1
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2
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3
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4
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Now delete the last row then try to fetch it...
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int(4)
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string(10) "Row 4 "
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Done
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...Test 'sqlsrv_fetch_cursor_types' completed successfully.
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