145 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			5.6 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->maxscales->connect_maxscale(0);
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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->maxscales->conn_rwsplit[0], (char *) "DROP TABLE IF EXISTS t2;");
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    Test->try_query(Test->maxscales->conn_rwsplit[0],
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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->maxscales->conn_rwsplit[0], (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->maxscales->conn_rwsplit[0], 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->maxscales->conn_rwsplit[0], 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->maxscales->conn_rwsplit[0], "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->maxscales->conn_rwsplit[0], sel1, "last_insert_id()", &last_insert_id1[0]);
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        find_field(Test->maxscales->conn_rwsplit[0], 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->maxscales->conn_rwsplit[0], 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(0);
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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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