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Test coverage for some of the cases where LAST_INSERT_ID() and API *_insert_id() differ as documented in the MySQL manual in particular the C API reference section
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Ulf Wendel
parent
d37dea8b7b
commit
8bbd451647
194
ext/mysqli/tests/mysqli_last_insert_id.phpt
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194
ext/mysqli/tests/mysqli_last_insert_id.phpt
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--TEST--
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API vs. SQL LAST_INSERT_ID()
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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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?>
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--FILE--
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<?php
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/*
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CAUTION: the insert_id() API call is not supposed to return
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the same value as a call to the LAST_INSERT_ID() SQL function.
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It is not necessarily a bug if API and SQL function return different
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values. Check the MySQL C API reference manual for details.
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*/
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require_once("connect.inc");
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function get_sql_id($link) {
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if (!($res = $link->query("SELECT LAST_INSERT_ID() AS _id"))) {
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printf("[003] [%d] %s\n", $link->errno, $link->error);
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return NULL;
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}
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$row = $res->fetch_assoc();
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$res->close();
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return $row['_id'];
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}
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if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
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printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
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$host, $user, $db, $port, $socket);
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if (!$link->query("DROP TABLE IF EXISTS test") ||
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!$link->query("CREATE TABLE test (id INT auto_increment, label varchar(10) not null, PRIMARY KEY (id))") ||
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!$link->query("INSERT INTO test (id, label) VALUES (null, 'a')")) {
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printf("[002] [%d] %s\n", $link->errno, $link->error);
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}
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$api_id = $link->insert_id;
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$sql_id = get_sql_id($link);
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printf("API: %d, SQL: %d\n", $api_id, $sql_id);
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if ($api_id < 1)
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printf("[004] Expecting id > 0 got %d, [%d] %s\n", $api_id, $link->errno, $link->error) ;
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if ($api_id != $sql_id)
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printf("[005] SQL id %d should be equal to API id %d\n", $sql_id, $api_id);
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// Not an INSERT, API value must become 0
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if (!($res = $link->query("SELECT 1 FROM DUAL")))
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printf("[006] [%d] %s\n", $link->errno, $link->error);
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else
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$res->close();
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if (0 !== $api_id) {
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printf("[007] API id should have been reset to 0 because previous query was SELECT, got API %d, SQL %d\n",
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$api_id, $new_sql_id);
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}
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if ($new_sql_id != $sql_id) {
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printf("[008] The servers LAST_INSERT_ID() changed unexpectedly from %d to %d\n", $sql_id, $new_sql_id);
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}
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// Insert fails, LAST_INSERT_ID shall not change, API shall return 0
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if ($link->query("INSERT INTO test (id, label) VALUES (null, null)")) {
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printf("[009] The INSERT did not fail as planned, [%d] %s\n", $link->errno, $link->error);
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}
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if (0 !== $api_id) {
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printf("[010] API id should have been reset to 0 because previous query was SELECT, got API %d, SQL %d\n",
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$api_id, $new_sql_id);
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}
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if ($new_sql_id != $sql_id) {
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printf("[011] The servers LAST_INSERT_ID() changed unexpectedly from %d to %d\n", $sql_id, $new_sql_id);
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}
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// Sequence counter pattern...
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if (!$link->query("UPDATE test SET id=LAST_INSERT_ID(id+1)"))
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printf("[012] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if ($api_id < 1)
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printf("[013] Expecting id > 0 got %d, [%d] %s\n", $api_id, $link->errno, $link->error) ;
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if ($api_id != $new_sql_id)
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printf("[014] SQL id %d should be equal to API id %d\n", $new_sql_id, $api_id);
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if ($sql_id == $new_sql_id)
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printf("[015] SQL id %d should have had changed, got %d\n", $sql_id, $new_sql_id);
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$sql_id = $new_sql_id;
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// Not an INSERT (after UPDATE), API value must become 0
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if (!$link->query("SET @myvar=1"))
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printf("[016] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if (0 !== $api_id) {
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printf("[017] API id should have been reset to 0 because previous query was SET, got API %d, SQL %d\n",
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$api_id, $new_sql_id);
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}
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if ($new_sql_id != $sql_id) {
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printf("[018] The servers LAST_INSERT_ID() changed unexpectedly from %d to %d\n", $sql_id, $new_sql_id);
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}
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if (!$link->query("INSERT INTO test(id, label) VALUES (LAST_INSERT_ID(id + 1), 'b')"))
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printf("[019] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$sql_id = get_sql_id($link);
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if ($api_id != $sql_id)
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printf("[020] SQL id %d should be equal to API id %d\n", $sql_id, $api_id);
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if (!$link->query("INSERT INTO test(label) VALUES ('c')"))
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printf("[021] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$sql_id = get_sql_id($link);
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if ($api_id != $sql_id)
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printf("[022] SQL id %d should be equal to API id %d\n", $sql_id, $api_id);
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if (!($res = $link->query("SELECT id, label FROM test ORDER BY id ASC")))
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printf("[023] [%d] %s\n", $link->errno, $link->error);
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printf("Dumping table contents before INSERT...SELECT experiments...\n");
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while ($row = $res->fetch_assoc()) {
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printf("id = %d, label = '%s'\n", $row['id'], $row['label']);
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}
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$res->close();
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if (!$link->query("INSERT INTO test(label) SELECT CONCAT(label, id) FROM test ORDER BY id ASC"))
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printf("[024] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$sql_id = get_sql_id($link);
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if ($api_id != $sql_id)
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printf("[025] SQL id %d should be equal to API id %d\n", $sql_id, $api_id);
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if ($link->query("INSERT INTO test(id, label) SELECT id, CONCAT(label, id) FROM test ORDER BY id ASC"))
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printf("[026] INSERT should have failed because of duplicate PK value, [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if (0 !== $api_id) {
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printf("[027] API id should have been reset to 0 because previous query failed, got API %d, SQL %d\n",
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$api_id, $new_sql_id);
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}
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if ($new_sql_id != $sql_id) {
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printf("[028] The servers LAST_INSERT_ID() changed unexpectedly from %d to %d\n", $sql_id, $new_sql_id);
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}
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/* API insert id will be 101 because of UPDATE, SQL unchanged */
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if (!$link->query(sprintf("INSERT INTO test(id, label) VALUES (%d, 'z') ON DUPLICATE KEY UPDATE id = 101", $sql_id) ))
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printf("[029] [%d] %s\n", $link->errno, $link->error);
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$api_id = $link->insert_id;
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$new_sql_id = get_sql_id($link);
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if ($api_id != 101)
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printf("[030] API id should be %d got %d\n", $sql_id, $api_id);
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if ($new_sql_id != $sql_id) {
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printf("[031] The servers LAST_INSERT_ID() changed unexpectedly from %d to %d\n", $sql_id, $new_sql_id);
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}
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if (!($res = $link->query("SELECT id, label FROM test ORDER BY id ASC")))
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printf("[032] [%d] %s\n", $link->errno, $link->error);
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printf("Dumping table contents after INSERT...SELECT...\n");
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while ($row = $res->fetch_assoc()) {
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printf("id = %d, label = '%s'\n", $row['id'], $row['label']);
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}
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$res->close();
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print "done!";
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?>
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--CLEAN--
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<?php
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require_once("clean_table.inc");
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?>
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--EXPECTF--
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API: %d, SQL: %d
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Dumping table contents before INSERT...SELECT experiments...
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id = %d, label = 'b'
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id = %d, label = 'a'
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id = %d, label = 'c'
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Dumping table contents after INSERT...SELECT...
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id = %d, label = 'b'
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id = %d, label = 'a'
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id = %d, label = 'c'
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id = %d, label = 'a%d'
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id = %d, label = 'c%d'
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id = 101, label = 'b%d'
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done!
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