eafb7ac5f1
Basic tests can be executed with 15 machines Master/slave backend. Tests have label BIG_REPL_BACKEND Default template modified to support big backend. Tests temporaraly labeled as UNSTABLE to prevent their execution nightly
115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
/**
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* @file bug587.cpp regression case for the bug 587 ( "Hint filter don't work if listed before regex filter
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* in configuration file" )
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*
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* - Maxscale.cnf
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* @verbatim
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* [hints]
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* type=filter
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* module=hintfilter
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*
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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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*
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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
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* @endverbatim
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* - second test (bug587_1) is executed with "filters=regex|hints" (dffeent order of filters)
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* - check if hints filter working by executing and comparing results:
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* + via RWSPLIT: "select @@server_id; -- maxscale route to server server%d" (%d - node number)
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* + directly to backend node "select @@server_id;"
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* - do the same test with "filters=regex|hints" "filters=hints|regex"
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*/
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/*
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* Vilho Raatikka 2014-10-21 19:12:33 UTC
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* If filters and rwsplit are configured as follows, hints don't work.
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*
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* [hints]
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* type=filter
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* module=hintfilter
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*
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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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*
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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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* user=maxuser
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* passwd=maxpwd
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* filters=hints|regex
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*
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* Changing filters=regex|hints makes it work. This is due to processing order. Regex filter drops hint off.
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* Comment 1 Vilho Raatikka 2014-10-23 18:08:07 UTC
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* buffer.c:gwbuf_make_contiguous: hint wasn't duplicated to new GWBUF struct. As a result hints were lost if
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* query rewriting resulted in longer query than the original.
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*/
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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->repl->limit_nodes(4);
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Test->set_timeout(10);
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Test->repl->connect();
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Test->maxscales->connect_maxscale(0);
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char server_id[256];
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char server_id_d[256];
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char hint_sql[64];
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for (int i = 1; i < 25; i++)
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{
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for (int j = 0; j < Test->repl->N; j++)
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{
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Test->set_timeout(10);
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sprintf(hint_sql, "select @@server_id; -- maxscale route to server server%d", j + 1);
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Test->tprintf("%s\n", hint_sql);
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find_field(Test->maxscales->conn_rwsplit[0], hint_sql, (char*) "@@server_id", &server_id[0]);
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find_field(Test->repl->nodes[j],
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(char*) "select @@server_id;",
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(char*) "@@server_id",
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&server_id_d[0]);
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Test->tprintf("server%d ID from Maxscale: \t%s\n", j + 1, server_id);
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Test->tprintf("server%d ID directly from node: \t%s\n", j + 1, server_id_d);
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Test->add_result(strcmp(server_id, server_id_d), "Hints does not work!\n");
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}
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}
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Test->maxscales->close_maxscale_connections(0);
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Test->repl->close_connections();
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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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