MaxScale/maxscale-system-test/mxs1713_lots_of_databases.cpp
Markus Mäkelä 2023ee4dc7
MXS-1713: Fix resultset collection code
The resultset collection was not detected early enough in the code which
caused partial results to be returned to the router.
2018-03-14 13:02:47 +02:00

59 lines
1.7 KiB
C++

/**
* MXS-1713: SchemaRouter unable to process SHOW DATABASES for a lot of schemas
*
* https://jira.mariadb.org/browse/MXS-1713
*/
#include "testconnections.h"
#include <vector>
#include <set>
#include <numeric>
int main(int argc, char** argv)
{
TestConnections test(argc, argv);
const int n_db = 2000;
std::vector<std::string> db_list;
for (int i = 0; i < n_db; i++)
{
db_list.push_back("db" + std::to_string(i));
}
test.tprintf("Create %lu databases...", db_list.size());
test.repl->connect();
for (auto db : db_list)
{
execute_query(test.repl->nodes[0], "CREATE DATABASE %s", db.c_str());
}
test.tprintf("Done!");
test.tprintf("Opening a connection with each database as the default database...", db_list.size());
std::set<std::string> errors;
for (auto db : db_list)
{
MYSQL* conn = open_conn_db(test.maxscales->port(), test.maxscales->ip(), db,
test.maxscales->user_name, test.maxscales->password);
if (execute_query_silent(conn, "SELECT 1") ||
execute_query_silent(conn, "SHOW DATABASES"))
{
errors.insert(mysql_error(conn));
}
mysql_close(conn);
}
test.tprintf("Done!");
test.assert(errors.empty(), "None of the queries should fail: %s",
std::accumulate(errors.begin(), errors.end(), std::string(),
[](const std::string &a, const std::string &b){return a + b + " ";}));
test.tprintf("Dropping databases...");
for (auto db : db_list)
{
execute_query(test.repl->nodes[0], "DROP DATABASE %s", db.c_str());
}
test.tprintf("Done!");
return test.global_result;
}