112 lines
3.1 KiB
PHP
112 lines
3.1 KiB
PHP
--TEST--
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GitHub issue #228 - how ClientBufferMaxKBSize affects sqlsrv_has_rows and sqlsrv_fetch_array
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--DESCRIPTION--
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Based on the example in GitHub issue 228, configuring ClientBufferMaxKBSize with sqlsrv_configure.
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--SKIPIF--
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<?php require('skipif_versions_old.inc'); ?>
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--FILE--
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<?php
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require_once('MsCommon.inc');
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function testErrors($conn)
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{
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// set client buffer size to 0KB returns false
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$ret = sqlsrv_configure('ClientBufferMaxKBSize', 0);
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if (!$ret) {
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echo sqlsrv_errors()[0]['message'] . "\n";
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}
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$ret = sqlsrv_configure('ClientBufferMaxKBSize', -1.9);
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if (!$ret) {
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echo sqlsrv_errors()[0]['message'] . "\n";
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}
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}
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function fetchData($conn, $table, $size)
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{
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$ret = sqlsrv_configure('ClientBufferMaxKBSize', $size);
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var_dump($ret);
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$stmt = sqlsrv_prepare($conn, "SELECT * FROM $table", array(), array("Scrollable"=>"buffered"));
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$attr = sqlsrv_get_config('ClientBufferMaxKBSize');
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echo("ClientBufferMaxKBSize is $attr\n");
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sqlsrv_execute($stmt);
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if ($size < 2) {
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echo sqlsrv_errors()[0]['message'] . "\n";
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}
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$rows = sqlsrv_has_rows($stmt);
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var_dump($rows);
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$numRowsFetched = 0;
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while ($row = sqlsrv_fetch_array($stmt)) {
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$numRowsFetched++;
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}
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echo("Number of rows fetched: $numRowsFetched\n");
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}
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// connect
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$conn = AE\connect();
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$tableName1 = 'php_test_table_1';
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$tableName2 = 'php_test_table_2';
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// Create tables
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$columns = array(new AE\ColumnMeta('int', 'c1_int'),
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new AE\ColumnMeta('varchar(max)', 'c2_varchar_max'));
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$stmt = AE\createTable($conn, $tableName1, $columns);
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unset($columns);
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$columns = array(new AE\ColumnMeta('int', 'c1_int'),
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new AE\ColumnMeta('varchar(1400)', 'c2_varchar_1400'));
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$stmt = AE\createTable($conn, $tableName2, $columns);
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// insert > 1KB into c2_varchar_max & c2_varchar_1400 (1400 characters).
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$longString = str_repeat('This is a test', 100);
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$stmt = AE\insertRow($conn, $tableName1, array('c1_int' => 1, 'c2_varchar_max' => $longString));
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$stmt = AE\insertRow($conn, $tableName2, array('c1_int' => 1, 'c2_varchar_1400' => $longString));
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sqlsrv_free_stmt($stmt);
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testErrors($conn);
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// set client buffer size to 1KB
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$size = 1;
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fetchData($conn, $tableName1, $size); // this should return 0 rows.
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fetchData($conn, $tableName2, $size); // this should return 0 rows.
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// set client buffer size to 2KB
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$size = 2;
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fetchData($conn, $tableName1, $size); // this should return 1 row.
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fetchData($conn, $tableName2, $size); // this should return 1 row.
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dropTable($conn, $tableName1);
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dropTable($conn, $tableName2);
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sqlsrv_close($conn);
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print "Done"
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?>
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--EXPECT--
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Setting for ClientBufferMaxKBSize was non-int or non-positive.
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Setting for ClientBufferMaxKBSize was non-int or non-positive.
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bool(true)
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ClientBufferMaxKBSize is 1
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Memory limit of 1 KB exceeded for buffered query
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bool(false)
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Number of rows fetched: 0
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bool(true)
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ClientBufferMaxKBSize is 1
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Memory limit of 1 KB exceeded for buffered query
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bool(false)
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Number of rows fetched: 0
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bool(true)
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ClientBufferMaxKBSize is 2
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bool(true)
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Number of rows fetched: 1
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bool(true)
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ClientBufferMaxKBSize is 2
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bool(true)
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Number of rows fetched: 1
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Done
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