196 lines
6.3 KiB
PHP
196 lines
6.3 KiB
PHP
--TEST--
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Error messages from nonempty, empty, and null result sets
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--DESCRIPTION--
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Test that calling sqlsrv_next_result() and fetching on nonempty, empty, and null result sets produces the correct results or error messages.
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--SKIPIF--
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<?php require('skipif.inc'); ?>
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--FILE--
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<?php
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require_once("MsSetup.inc");
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require_once("MsCommon.inc");
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// These are the error messages we expect at various points below
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$errorNoMoreResults = "There are no more results returned by the query.";
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$errorNoFields = "The active result for the query contains no fields.";
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// This function takes an array of expected error messages and compares the
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// contents to the actual errors
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function CheckError($expectedErrors)
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{
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$actualErrors = sqlsrv_errors();
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$sizeActualErrors = 0;
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if (!is_null($actualErrors)) {
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$sizeActualErrors = sizeof($actualErrors);
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}
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if (($sizeActualErrors) != sizeof($expectedErrors)) {
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echo "Wrong size for error array\n";
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print_r($actualErrors);
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return;
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}
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$i = 0;
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foreach ($expectedErrors as $e) {
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if ($actualErrors[$i]['message'] != $e) {
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echo "Wrong error message:\n";
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print_r($actualErrors[$i]);
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}
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$i++;
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}
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}
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function Fetch($stmt, $errors)
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{
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echo "Fetch...\n";
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$result = sqlsrv_fetch_array($stmt);
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print_r($result);
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CheckError($errors);
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}
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function NextResult($stmt, $errors)
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{
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echo "Next result...\n";
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sqlsrv_next_result($stmt);
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CheckError($errors);
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}
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$conn = sqlsrv_connect($server, array("Database"=>$databaseName, "uid"=>$uid, "pwd"=>$pwd));
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DropTable($conn, 'TestEmptySetTable');
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$stmt = sqlsrv_query($conn, "CREATE TABLE TestEmptySetTable ([c1] nvarchar(10),[c2] nvarchar(10))");
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$stmt = sqlsrv_query($conn, "INSERT INTO TestEmptySetTable (c1, c2) VALUES ('a', 'b')");
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// Create a procedure that can return a nonempty result set, an empty result set, or a null result
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DropProc($conn, 'TestEmptySetProc');
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$stmt = sqlsrv_query($conn, "CREATE PROCEDURE TestEmptySetProc @a nvarchar(10), @b nvarchar(10)
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AS SET NOCOUNT ON
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BEGIN
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IF @b='b'
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BEGIN
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SELECT 'a' as testValue
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END
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ELSE IF @b='w'
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BEGIN
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SELECT * FROM TestEmptySetTable WHERE c1 = @b
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END
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ELSE
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BEGIN
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UPDATE TestEmptySetTable SET c2 = 'c' WHERE c1 = @a
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END
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END");
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// Call fetch on a nonempty result set
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echo "Nonempty result set, call fetch first: ###############################\n";
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$stmt = sqlsrv_query($conn,"TestEmptySetProc @a='a', @b='b'");
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Fetch($stmt, []);
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NextResult($stmt, []);
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Fetch($stmt, [$errorNoMoreResults]);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call next_result on a nonempty result set
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echo "Nonempty result set, call next_result first: #########################\n";
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$stmt = sqlsrv_query($conn,"TestEmptySetProc @a='a', @b='b'");
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NextResult($stmt, []);
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Fetch($stmt, [$errorNoMoreResults]);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call next_result twice in succession on a nonempty result set
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echo "Nonempty result set, call next_result twice: #########################\n";
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$stmt = sqlsrv_query($conn, "TestEmptySetProc @a='a', @b='b'");
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NextResult($stmt, []);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call fetch on an empty result set
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echo "Empty result set, call fetch first: ##################################\n";
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$stmt = sqlsrv_query($conn,"TestEmptySetProc @a='a', @b='w'");
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Fetch($stmt, []);
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NextResult($stmt, []);
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Fetch($stmt, [$errorNoMoreResults]);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call next_result on an empty result set
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echo "Empty result set, call next_result first: ############################\n";
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$stmt = sqlsrv_query($conn,"TestEmptySetProc @a='a', @b='w'");
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NextResult($stmt, []);
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Fetch($stmt, [$errorNoMoreResults]);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call next_result twice in succession on an empty result set
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echo "Empty result set, call next_result twice: ############################\n";
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$stmt = sqlsrv_query($conn, "TestEmptySetProc @a='a', @b='w'");
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NextResult($stmt, []);
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NextResult($stmt, [$errorNoMoreResults]);
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// Call fetch on a null result set
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echo "Null result set, call fetch first: ###################################\n";
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$stmt = sqlsrv_query($conn, "TestEmptySetProc @a='a', @b='c'");
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Fetch($stmt, [$errorNoFields]);
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NextResult($stmt, []);
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// Call next_result on a null result set
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echo "Null result set, call next result first: #############################\n";
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$stmt = sqlsrv_query($conn, "TestEmptySetProc @a='a', @b='c'");
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NextResult($stmt, []);
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Fetch($stmt, [$errorNoMoreResults]);
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// Call next_result twice in succession on a null result set
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echo "Null result set, call next result twice: #############################\n";
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$stmt = sqlsrv_query($conn, "TestEmptySetProc @a='a', @b='c'");
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NextResult($stmt, []);
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NextResult($stmt, [$errorNoMoreResults]);
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$stmt = sqlsrv_query($conn, "DROP TABLE TestEmptySetTable");
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$stmt = sqlsrv_query($conn, "DROP PROCEDURE TestEmptySetProc");
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sqlsrv_free_stmt($stmt);
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sqlsrv_close($conn);
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?>
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--EXPECT--
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Nonempty result set, call fetch first: ###############################
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Fetch...
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Array
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(
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[0] => a
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[testValue] => a
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)
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Next result...
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Fetch...
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Next result...
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Nonempty result set, call next_result first: #########################
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Next result...
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Fetch...
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Next result...
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Nonempty result set, call next_result twice: #########################
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Next result...
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Next result...
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Empty result set, call fetch first: ##################################
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Fetch...
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Next result...
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Fetch...
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Next result...
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Empty result set, call next_result first: ############################
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Next result...
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Fetch...
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Next result...
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Empty result set, call next_result twice: ############################
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Next result...
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Next result...
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Null result set, call fetch first: ###################################
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Fetch...
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Next result...
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Null result set, call next result first: #############################
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Next result...
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Fetch...
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Null result set, call next result twice: #############################
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Next result...
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Next result...
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