Files
MaxScale/maxscale-system-test/mxs1778_causal_reads.cpp
2018-09-10 12:29:00 +03:00

45 lines
1.4 KiB
C++

/**
* MXS-1778: Use GTID from OK packets for consistent reads
*
* https://jira.mariadb.org/browse/MXS-1778
*/
#include "testconnections.h"
int main(int argc, char** argv)
{
Mariadb_nodes::require_gtid(true);
TestConnections::require_repl_version("10.3.8");
TestConnections test(argc, argv);
const int N_QUERIES = 100;
test.repl->execute_query_all_nodes("SET GLOBAL session_track_system_variables='last_gtid'");
test.repl->connect();
std::string master = get_row(test.repl->nodes[0], "SELECT @@server_id")[0];
test.repl->disconnect();
test.maxscales->connect();
test.try_query(test.maxscales->conn_rwsplit[0], "CREATE OR REPLACE TABLE test.t1(id INT)");
for (int i = 0; i < N_QUERIES; i++)
{
std::string value = std::to_string(i);
std::string insert = "INSERT INTO test.t1 VALUES (" + value + ")";
std::string select = "SELECT @@server_id, COUNT(*) FROM test.t1 WHERE id = " + value;
test.try_query(test.maxscales->conn_rwsplit[0], "%s", insert.c_str());
Row row = get_row(test.maxscales->conn_rwsplit[0], select);
test.expect(!row.empty() && row [0] != master && row[1] == "1",
"At %d: Row is %s",
i,
row.empty() ? "empty" : (row[0] + " " + row[1]).c_str());
}
test.try_query(test.maxscales->conn_rwsplit[0], "DROP TABLE test.t1");
test.maxscales->disconnect();
return test.global_result;
}