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7b32d176d2
This test creates a MySQL table called 'test'. In several cases, I have seen a spurious test failure (in CI) with an error message saying: "table 'test' already exists". It may be that another test had used a table with the same name and not cleaned it out correctly. Or maybe we have multiple tests running in parallel in some CI environments, or the same test DB being used for multiple runs of the test suite. In any case, change the table name so it is exclusive to this test case only. Also, if the test table exists at the beginning of the test, drop it. Closes GH-5479
117 lines
4.4 KiB
PHP
117 lines
4.4 KiB
PHP
--TEST--
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INSERT and packet overflow
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--SKIPIF--
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<?php
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require_once('skipif.inc');
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require_once('skipifconnectfailure.inc');
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if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
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die(sprintf("SKIP [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error()));
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$max_len = pow(2, 24);
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if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
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die(sprintf("SKIP [%d] %s\n", mysqli_errno($link), mysqli_error($link)));
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if (!mysqli_query($link, "SET NAMES 'latin1'"))
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die(sprintf("SKIP [%d] %s\n", mysqli_errno($link), mysqli_error($link)));
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mysqli_close($link);
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?>
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--INI--
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memory_limit=256M
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--FILE--
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<?php
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require('connect.inc');
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if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
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printf("[001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
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if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
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printf("[002] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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if (!$row = mysqli_fetch_assoc($res))
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printf("[003] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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mysqli_free_result($res);
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if (0 === ($org_max_allowed_packet = (int)$row['Value']))
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printf("[004] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
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$max_len = pow(2, 24);
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if ($org_max_allowed_packet < $max_len) {
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if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . ($max_len + 100))) {
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if (1227 == mysqli_errno($link)) {
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/* [1227] Access denied; you need the SUPER privilege for this operation */
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print "done!";
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exit(0);
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} else {
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printf("[005] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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}
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}
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}
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mysqli_close($link);
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if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
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printf("[006] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
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if (!mysqli_query($link, "SET NAMES 'latin1'"))
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printf("[007] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
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if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
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printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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if (!$row = mysqli_fetch_assoc($res))
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printf("[009] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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mysqli_free_result($res);
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if (0 === ($max_allowed_packet = (int)$row['Value']))
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printf("[010] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
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$max_len = pow(2, 24);
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if ($max_allowed_packet < $max_len) {
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printf("[011] Failed to change max_allowed_packet");
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}
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$table_name = 'test__mysqli_insert_packet_overflow';
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if (!mysqli_query($link, "DROP TABLE IF EXISTS {$table_name}")) {
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printf("[012] Failed to drop old test table: [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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}
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if (!mysqli_query($link, "CREATE TABLE {$table_name}(col_blob LONGBLOB) ENGINE=" . $engine))
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printf("[013] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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$query_prefix = "INSERT INTO {$table_name}(col_blob) VALUES ('";
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$query_postfix = "')";
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$query_len = strlen($query_prefix) + strlen($query_postfix);
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$com_query_len = 2;
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$blob = str_repeat('a', $max_len - $com_query_len - $query_len);
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$query = sprintf("%s%s%s", $query_prefix, $blob, $query_postfix);
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if (!mysqli_query($link, $query))
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printf("[014] max_allowed_packet = %d, strlen(query) = %d, [%d] %s\n", $max_allowed_packet, strlen($query), mysqli_errno($link), mysqli_error($link));
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if (!$res = mysqli_query($link, "SELECT col_blob FROM {$table_name}"))
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printf("[015] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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if (!$row = mysqli_fetch_assoc($res)) {
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printf("[016] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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} else {
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if ($row['col_blob'] != $blob) {
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printf("[017] Blob seems wrong, dumping data\n");
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var_dump(strlen($row['col_blob']));
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var_dump(strlen($blob));
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}
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mysqli_free_result($res);
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}
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if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . $org_max_allowed_packet))
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if (1227 != mysqli_errno($link))
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printf("[018] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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mysqli_close($link);
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print "done!";
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?>
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--EXPECT--
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done!
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