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Fixed a bug in reading varbinary max fields (#1209)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| --TEST-- | ||
| Test fetching varbinary, varchar, nvarchar max fields with client buffer | ||
| --DESCRIPTION-- | ||
| Similar to sqlsrv_fetch_large_stream test but fetching varbinary, varchar, nvarchar max fields as strings with or without client buffer | ||
| --SKIPIF-- | ||
| <?php require_once('skipif_mid-refactor.inc'); ?> | ||
| --ENV-- | ||
| PHPT_EXEC=true | ||
| --FILE-- | ||
| <?php | ||
| require_once("MsCommon_mid-refactor.inc"); | ||
|
|
||
| $tableName = 'pdoFetchLobTest'; | ||
| $binaryColumn = 'varbinary_max'; | ||
| $strColumn = 'varchar_max'; | ||
| $nstrColumn = 'nvarchar_max'; | ||
|
|
||
| $bin = 'abcdefghijklmnopqrstuvwxyz'; | ||
| $binaryValue = str_repeat($bin, 100); | ||
| $hexValue = str_repeat(strtoupper(bin2hex($bin)), 100); | ||
| $strValue = str_repeat("stuvwxyz", 400); | ||
| $nstrValue = str_repeat("ÃÜðßZZýA©", 200); | ||
|
|
||
| function checkData($actual, $expected) | ||
| { | ||
| trace("Actual:\n$actual\n"); | ||
|
|
||
| $success = true; | ||
| $pos = strpos($actual, $expected); | ||
| if (($pos === false) || ($pos > 1)) { | ||
| $success = false; | ||
| } | ||
|
|
||
| return ($success); | ||
| } | ||
|
|
||
| function fetchBinary($conn, $buffered) | ||
| { | ||
| global $tableName, $binaryColumn, $binaryValue, $hexValue; | ||
|
|
||
| try { | ||
| $query = "SELECT $binaryColumn FROM $tableName"; | ||
| if ($buffered) { | ||
| $stmt = $conn->prepare($query, array(PDO::ATTR_CURSOR=>PDO::CURSOR_SCROLL, PDO::SQLSRV_ATTR_CURSOR_SCROLL_TYPE=>PDO::SQLSRV_CURSOR_BUFFERED)); | ||
| } else { | ||
| $stmt = $conn->prepare($query); | ||
| } | ||
| $stmt->bindColumn($binaryColumn, $value, PDO::PARAM_LOB, 0, PDO::SQLSRV_ENCODING_BINARY); | ||
| $stmt->execute(); | ||
|
|
||
| $row = $stmt->fetch(PDO::FETCH_BOUND); | ||
|
|
||
| if (!checkData($value, $binaryValue)) { | ||
| echo "Fetched binary value unexpected ($buffered): $value\n"; | ||
| } | ||
|
|
||
| $stmt->bindColumn($binaryColumn, $value, PDO::PARAM_LOB, 0, PDO::SQLSRV_ENCODING_SYSTEM); | ||
| $stmt->execute(); | ||
|
|
||
| $row = $stmt->fetch(PDO::FETCH_BOUND); | ||
|
|
||
| if (!checkData($value, $hexValue)) { | ||
| echo "Fetched binary value a char string ($buffered): $value\n"; | ||
| } | ||
|
|
||
| $stmt->bindColumn($binaryColumn, $value, PDO::PARAM_LOB, 0, PDO::SQLSRV_ENCODING_UTF8); | ||
| $stmt->execute(); | ||
|
|
||
| $row = $stmt->fetch(PDO::FETCH_BOUND); | ||
|
|
||
| if (!checkData($value, $hexValue)) { | ||
| echo "Fetched binary value as UTF-8 string ($buffered): $value\n"; | ||
| } | ||
| } catch (PdoException $e) { | ||
| echo "Caught exception in fetchBinary ($buffered):\n"; | ||
| echo $e->getMessage() . PHP_EOL; | ||
| } | ||
| } | ||
|
|
||
| function fetchAsString($conn, $buffered) | ||
| { | ||
| global $tableName, $strColumn, $strValue; | ||
| global $nstrColumn, $nstrValue; | ||
|
|
||
| try { | ||
| $query = "SELECT $strColumn, $nstrColumn FROM $tableName"; | ||
| if ($buffered) { | ||
| $stmt = $conn->prepare($query, array(PDO::ATTR_CURSOR=>PDO::CURSOR_SCROLL, PDO::SQLSRV_ATTR_CURSOR_SCROLL_TYPE=>PDO::SQLSRV_CURSOR_BUFFERED)); | ||
| } else { | ||
| $stmt = $conn->prepare($query); | ||
| } | ||
| $stmt->execute(); | ||
|
|
||
| $stmt->bindColumn($strColumn, $value1, PDO::PARAM_STR); | ||
| $stmt->bindColumn($nstrColumn, $value2, PDO::PARAM_STR); | ||
| $row = $stmt->fetch(PDO::FETCH_BOUND); | ||
|
|
||
| if (!checkData($value1, $strValue)) { | ||
| echo "Fetched string value ($buffered): $value1\n"; | ||
| } | ||
|
|
||
| if (!checkData($value2, $nstrValue)) { | ||
| echo "Fetched string value ($buffered): $value2\n"; | ||
| } | ||
| $stmt->execute(); | ||
|
|
||
| $stmt->bindColumn($strColumn, $value, PDO::PARAM_STR, 0, PDO::SQLSRV_ENCODING_SYSTEM); | ||
| $row = $stmt->fetch(PDO::FETCH_BOUND); | ||
|
|
||
| if (!checkData($value, $strValue)) { | ||
| echo "Fetched string value: $value\n"; | ||
| } | ||
| } catch (PdoException $e) { | ||
| echo "Caught exception in fetchBinary ($buffered):\n"; | ||
| echo $e->getMessage() . PHP_EOL; | ||
| } | ||
| } | ||
|
|
||
| try { | ||
| $conn = connect(); | ||
| $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); | ||
|
|
||
| // Create table of one max column | ||
| $colMeta = array(new ColumnMeta('varbinary(max)', $binaryColumn), | ||
| new ColumnMeta('varchar(max)', $strColumn), | ||
| new ColumnMeta('nvarchar(max)', $nstrColumn)); | ||
| createTable($conn, $tableName, $colMeta); | ||
|
|
||
| // Insert one row | ||
| $query = "INSERT INTO $tableName ($binaryColumn, $strColumn, $nstrColumn) VALUES (?, ?, ?)"; | ||
| $stmt = $conn->prepare($query); | ||
| $stmt->bindParam(1, $binaryValue, PDO::PARAM_LOB, 0, PDO::SQLSRV_ENCODING_BINARY); | ||
| $stmt->bindParam(2, $strValue, PDO::PARAM_STR, 0, PDO::SQLSRV_ENCODING_SYSTEM); | ||
| $stmt->bindParam(3, $nstrValue, PDO::PARAM_STR); | ||
| $stmt->execute(); | ||
| unset($stmt); | ||
|
|
||
| // Starting fetching with or without client buffer | ||
| fetchBinary($conn, false); | ||
| fetchBinary($conn, true); | ||
|
|
||
| fetchAsString($conn, false); | ||
| fetchAsString($conn, true); | ||
|
|
||
| dropTable($conn, $tableName); | ||
| echo "Done\n"; | ||
| unset($conn); | ||
| } catch (PdoException $e) { | ||
| echo $e->getMessage() . PHP_EOL; | ||
| } | ||
| ?> | ||
| --EXPECT-- | ||
| Done |
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