145 lines
5.4 KiB
C++
145 lines
5.4 KiB
C++
/**
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* @file bug509.cpp regression case for bug 509 and 507 ( "Referring to a nonexisting server in servers=... doesn't even raise a warning"
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* and "rw-split router does not send last_insert_id() to master" )
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*
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* - "CREATE TABLE t2 (id INT(10) NOT NULL AUTO_INCREMENT, x int, PRIMARY KEY (id));",
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* - do a number of INSERTs first using RWsplit, then directly Galera nodes.
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* - do "select @@wsrep_node_address, last_insert_id();" and "select last_insert_id(), @@wsrep_node_address;" and compares results.
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* - do "insert into t2 (x) values (i);" 1000 times and compares results of
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* "select @@wsrep_node_address, last_insert_id();" and "select last_insert_id(), @@wsrep_node_address;"
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*
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* Test fails if results are different (after 5 seconds of waiting after last INSERT)
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*/
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/*
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Kolbe Kegel 2014-09-01 14:48:12 UTC
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For some reason, the order of terms in the field list of a SELECT statement influences how the rw-split router decides where to send a statement.
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mariadb> select @@wsrep_node_address, last_insert_id();
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+----------------------+------------------+
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| @@wsrep_node_address | last_insert_id() |
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+----------------------+------------------+
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| 192.168.30.31 | 7 |
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+----------------------+------------------+
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1 row in set (0.00 sec)
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mariadb> select last_insert_id(), @@wsrep_node_address;
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+------------------+----------------------+
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| last_insert_id() | @@wsrep_node_address |
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+------------------+----------------------+
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| 0 | 192.168.30.33 |
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+------------------+----------------------+
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1 row in set (0.00 sec)
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Comment 1 Vilho Raatikka 2014-09-03 20:44:17 UTC
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Added code to detect last_insert_id() function and now both types of elements are routed to master and their order of appearance doesn't matter.
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*/
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#include <iostream>
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#include "testconnections.h"
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const char * sel1 = "select @@wsrep_node_address, last_insert_id();";
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const char * sel2 = "select last_insert_id(), @@wsrep_node_address;";
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int main(int argc, char *argv[])
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{
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TestConnections * Test = new TestConnections(argc, argv);
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Test->set_timeout(60);
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Test->galera->connect();
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Test->connect_maxscale();
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if (Test->galera->N < 3)
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{
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Test->tprintf("There is not enoght nodes for test\n");
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delete Test;
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exit(1);
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}
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Test->tprintf("Creating table\n");
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Test->try_query(Test->conn_rwsplit, (char *) "DROP TABLE IF EXISTS t2;");
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Test->try_query(Test->conn_rwsplit,
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(char *) "CREATE TABLE t2 (id INT(10) NOT NULL AUTO_INCREMENT, x int, PRIMARY KEY (id));");
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Test->tprintf("Doing INSERTs\n");
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Test->try_query(Test->conn_rwsplit, (char *) "insert into t2 (x) values (1);");
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Test->try_query(Test->galera->nodes[0], (char *) "insert into t2 (x) values (2);");
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Test->try_query(Test->galera->nodes[0], (char *) "insert into t2 (x) values (3);");
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Test->try_query(Test->galera->nodes[1], (char *) "insert into t2 (x) values (4);");
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Test->try_query(Test->galera->nodes[1], (char *) "insert into t2 (x) values (5);");
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Test->try_query(Test->galera->nodes[1], (char *) "insert into t2 (x) values (6);");
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Test->try_query(Test->galera->nodes[2], (char *) "insert into t2 (x) values (7);");
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Test->try_query(Test->galera->nodes[2], (char *) "insert into t2 (x) values (8);");
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Test->try_query(Test->galera->nodes[2], (char *) "insert into t2 (x) values (9);");
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Test->try_query(Test->galera->nodes[2], (char *) "insert into t2 (x) values (10);");
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Test->stop_timeout();
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Test->repl->sync_slaves();
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Test->tprintf("Trying \n");
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char last_insert_id1[1024];
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char last_insert_id2[1024];
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if ( (
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find_field(
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Test->conn_rwsplit, sel1,
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"last_insert_id()", &last_insert_id1[0])
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!= 0 ) || (
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find_field(
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Test->conn_rwsplit, sel2,
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"last_insert_id()", &last_insert_id2[0])
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!= 0 ))
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{
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Test->tprintf("last_insert_id() fied not found!!\n");
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delete Test;
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exit(1);
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}
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else
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{
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Test->tprintf("'%s' gave last_insert_id() %s\n", sel1, last_insert_id1);
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Test->tprintf("'%s' gave last_insert_id() %s\n", sel2, last_insert_id2);
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Test->add_result(strcmp(last_insert_id1, last_insert_id2),
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"last_insert_id() are different depending in which order terms are in SELECT\n");
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}
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char id_str[1024];
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char str1[1024];
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int iterations = 150;
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for (int i = 100; i < iterations; i++)
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{
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Test->set_timeout(50);
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Test->add_result(execute_query(Test->conn_rwsplit, "insert into t2 (x) values (%d);", i), "Query failed");
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sprintf(str1, "select * from t2 where x=%d;", i);
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find_field(Test->conn_rwsplit, sel1, "last_insert_id()", &last_insert_id1[0]);
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find_field(Test->conn_rwsplit, str1, "id", &id_str[0]);
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int n = 0;
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while (strcmp(last_insert_id1, id_str) != 0 && n < 5)
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{
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Test->tprintf("Replication is lagging");
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sleep(1);
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find_field(Test->conn_rwsplit, str1, "id", &id_str[0]);
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n++;
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}
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Test->add_result(strcmp(last_insert_id1, id_str),
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"last_insert_id is not equal to id even after waiting 5 seconds");
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if (i % 10 == 0)
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{
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Test->tprintf("last_insert_id is %s, id is %s", last_insert_id1, id_str);
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}
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}
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Test->check_maxscale_alive();
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int rval = Test->global_result;
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delete Test;
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return rval;
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}
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