148 lines
5.7 KiB
C++
148 lines
5.7 KiB
C++
/**
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* @file bug519.cpp - Jira task is MAX-345
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* - fill t1 with data
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* - execute SELECT * INTO OUTFILE '/tmp/t1.csv' FROM t1; against all maxscales->routers[0]
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* - DROP TABLE t1
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* - LOAD DATA LOCAL INFILE 't1.csv' INTO TABLE t1; using RWSplit
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* - check if t1 contains right data
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* - DROP t1 again and repeat LOAD DATA LOCAL INFILE 't1.csv' INTO TABLE t1; using ReadConn master
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*/
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/*
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It seems that LOAD DATA LOCAL INFILE is not handled by readwritesplit? Maybe it's a bigger problem elsewhere in MaxScale?
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I can execute the command, it looks like it is getting sent to the master, but ... no data is actually loaded. Does/can MaxScale handle LOAD DATA LOCAL INFILE?
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Comment 1 Kolbe Kegel 2014-09-03 02:39:47 UTC
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The LOAD DATA LOCAL INFILE statement is stuck in "Reading from net" until some timeout is hit:
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| 22 | maxuser | 192.168.30.38:59996 | test | Query | 10 | Reading from net | load data local infile '/Users/kolbe/Devel/seattleparking/Street_Parking_Signs.csv' into table parki | 0.000 |
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The client never sees the statement end, though, even after the server has long ago killed its connection...
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When I start a *new* connection to MaxScale and I try to execute the LOAD DATA LOCAL INFILE statement again, I have some problems:
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mysql 5.5.38-MariaDB (maxuser) [test]> source /Users/kolbe/Devel/seattleparking/loaddata.sql
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ERROR 2013 (HY000) at line 1 in file: '/Users/kolbe/Devel/seattleparking/loaddata.sql': Lost connection to MySQL server during query
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mysql 5.5.38-MariaDB (maxuser) [test]> select @@wsrep_node_address;
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ERROR 2006 (HY000): MySQL server has gone away
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No connection. Trying to reconnect...
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Connection id: 1709
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Current database: test
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+----------------------+
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| @@wsrep_node_address |
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+----------------------+
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| 192.168.30.32 |
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+----------------------+
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1 row in set (0.01 sec)
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mysql 5.5.38-MariaDB (maxuser) [test]> source /Users/kolbe/Devel/seattleparking/loaddata.sql
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ERROR 2013 (HY000) at line 1 in file: '/Users/kolbe/Devel/seattleparking/loaddata.sql': Lost connection to MySQL server during query
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mysql 5.5.38-MariaDB (maxuser) [test]> select @@wsrep_node_address;
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ERROR 2006 (HY000): MySQL server has gone away
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No connection. Trying to reconnect...
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Connection id: 1709
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Current database: test
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+----------------------+
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| @@wsrep_node_address |
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+----------------------+
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| 192.168.30.32 |
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+----------------------+
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1 row in set (0.01 sec)
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mysql 5.5.38-MariaDB (maxuser) [test]> source /Users/kolbe/Devel/seattleparking/loaddata.sql
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ERROR 2013 (HY000) at line 1 in file: '/Users/kolbe/Devel/seattleparking/loaddata.sql': Lost connection to MySQL server during query
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mysql 5.5.38-MariaDB (maxuser) [test]> Bye
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*/
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#include <iostream>
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#include "testconnections.h"
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#include "sql_t1.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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int N = 4;
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int iterations = 2;
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if (Test->smoke)
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{
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iterations = 1;
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}
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char str[1024];
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Test->set_timeout(60);
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Test->maxscales->connect_maxscale(0);
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Test->repl->connect();
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Test->tprintf("Create t1\n");
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create_t1(Test->maxscales->conn_rwsplit[0]);
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Test->tprintf("Insert data into t1\n");
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Test->set_timeout(60);
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insert_into_t1(Test->maxscales->conn_rwsplit[0], N);
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Test->stop_timeout();
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Test->repl->sync_slaves();
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Test->set_timeout(200);
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sprintf(str, "%s rm -f /tmp/t*.csv; %s chmod 777 /tmp", Test->repl->access_sudo[0],
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Test->repl->access_sudo[0]);
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Test->tprintf("%s\n", str);
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for (int k = 0; k < Test->repl->N; k++)
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{
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Test->repl->ssh_node(k, str, false);
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}
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//system(str);
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Test->tprintf("Copying data from t1 to file...\n");
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Test->tprintf("using RWSplit: SELECT * INTO OUTFILE '/tmp/t1.csv' FROM t1;\n");
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Test->try_query(Test->maxscales->conn_rwsplit[0], (char *) "SELECT * INTO OUTFILE '/tmp/t1.csv' FROM t1;");
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Test->tprintf("using ReadConn master: SELECT * INTO OUTFILE '/tmp/t2.csv' FROM t1;\n");
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Test->try_query(Test->maxscales->conn_master[0], (char *) "SELECT * INTO OUTFILE '/tmp/t2.csv' FROM t1;");
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Test->tprintf("using ReadConn slave: SELECT * INTO OUTFILE '/tmp/t3.csv' FROM t1;\n");
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Test->try_query(Test->maxscales->conn_slave[0], (char *) "SELECT * INTO OUTFILE '/tmp/t3.csv' FROM t1;");
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Test->tprintf("Copying t1.cvs from Maxscale machine:\n");
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Test->repl->copy_from_node_legacy("/tmp/t1.csv", "./t1.csv", 0);
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MYSQL *srv[2];
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srv[0] = Test->maxscales->conn_rwsplit[0];
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srv[1] = Test->maxscales->conn_master[0];
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for (int i = 0; i < iterations; i++)
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{
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Test->set_timeout(100);
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Test->tprintf("Dropping t1 \n");
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Test->try_query(Test->maxscales->conn_rwsplit[0], (char *) "DROP TABLE t1;");
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Test->stop_timeout();
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Test->repl->sync_slaves();
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Test->set_timeout(200);
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Test->tprintf("Create t1\n");
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create_t1(Test->maxscales->conn_rwsplit[0]);
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Test->tprintf("Loading data to t1 from file\n");
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Test->try_query(srv[i], (char *) "LOAD DATA LOCAL INFILE 't1.csv' INTO TABLE t1;");
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Test->stop_timeout();
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Test->repl->sync_slaves();
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Test->set_timeout(100);
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Test->tprintf("SELECT: rwsplitter\n");
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Test->add_result(select_from_t1(Test->maxscales->conn_rwsplit[0], N), "Wrong data in 't1'");
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Test->tprintf("SELECT: master\n");
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Test->add_result(select_from_t1(Test->maxscales->conn_master[0], N), "Wrong data in 't1'");
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Test->tprintf("SELECT: slave\n");
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Test->add_result(select_from_t1(Test->maxscales->conn_slave[0], N), "Wrong data in 't1'");
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}
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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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