142 lines
3.1 KiB
C++
142 lines
3.1 KiB
C++
/**
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* @file bug571.cpp regression case for bug 571 and bug 585 ( "Using regex filter hangs MaxScale" and "modutil_extract_SQL doesn't work with multiple GWBUF buffers" )
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*
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* - Maxscale.cnf
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* @verbatim
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[regex]
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type=filter
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module=regexfilter
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match=[Ff][Oo0][rR][mM]
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replace=FROM
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[r2]
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type=filter
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module=regexfilter
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match=fetch
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replace=select
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[hints]
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type=filter
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module=hintfilter
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[RW Split Router]
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type=service
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router= readwritesplit
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servers=server1, server2, server3,server4
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user=skysql
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passwd=skysql
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max_slave_connections=100%
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use_sql_variables_in=all
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router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
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filters=hints|regex|r2
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@endverbatim
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* for bug585:
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* @verbatim
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[regex]
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type=filter
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module=regexfilter
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match=fetch
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replace=select
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[typo]
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type=filter
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module=regexfilter
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match=[Ff][Oo0][Rr][Mm]
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replace=from
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[RW Split Router]
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type=service
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router= readwritesplit
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servers=server1, server2, server3,server4
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user=skysql
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passwd=skysql
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max_slave_connections=100%
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use_sql_variables_in=all
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router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
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filters=regex|typo
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@endverbatim
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* - fetch * from mysql.user;
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* - fetch count(*) form mysql.user;
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* - check if Maxscale is alive
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*/
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/*
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Vilho Raatikka 2014-10-10 11:09:19 UTC
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Branch:release-1.0.1beta
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Executing :
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fetch * from mysql.user
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with this config hangs MaxScale
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[regex]
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type=filter
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module=regexfilter
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match=[Ff][Oo0][rR][mM]
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replace=FROM
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[r2]
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type=filter
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module=regexfilter
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match=fetch
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replace=select
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[hints]
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type=filter
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module=hintfilter
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[RW Split Router]
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type=service
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router=readwritesplit
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servers=server1,server2,server3,server4
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max_slave_connections=100%
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use_sql_variables_in=all
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router_options=slave_selection_criteria=LEAST_BEHIND_MASTER
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user=maxuser
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passwd=maxpwd
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filters=hints|regex|r2
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Comment 1 Vilho Raatikka 2014-10-11 18:55:23 UTC
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If we look at the rewrite function we see that query lacks one character.
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T 127.0.0.1:37858 -> 127.0.0.1:4006 [AP]
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16 00 00 00 03 66 65 74 63 68 20 69 64 20 66 72 .....fetch id fr
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6f 6d 20 74 65 73 74 2e 74 31 om test.t1
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T 127.0.0.1:44591 -> 127.0.0.1:3000 [AP]
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17 00 00 00 03 73 65 6c 65 63 74 20 69 64 20 66 .....select id f
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72 6f 6d 20 74 65 73 74 2e 74 rom test.t
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*/
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// the same code is used for bug585
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#include <iostream>
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#include <unistd.h>
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#include "testconnections.h"
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using namespace std;
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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->tprintf("Connecting to all MaxScale services\n");
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Test->set_timeout(10);
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Test->add_result(Test->connect_maxscale(), "Error connectiong to Maxscale\n");
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Test->tprintf("executing fetch * from mysql.user \n");
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Test->set_timeout(10);
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Test->try_query(Test->conn_rwsplit, (char *) "fetch * from mysql.user;");
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Test->set_timeout(10);
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Test->try_query(Test->conn_rwsplit, (char *) "fetch count(*) form mysql.user;");
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Test->set_timeout(10);
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Test->close_maxscale_connections();
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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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