106b1d46d5
The causal read queries were performed also when the target server was the master. The extra functionality of the causal reads is only needed on slaves. Adjusted the test case to require GTID replication.
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/**
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* MXS-1778: Use GTID from OK packets for consistent reads
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*
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* https://jira.mariadb.org/browse/MXS-1778
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*/
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#include "testconnections.h"
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int main(int argc, char** argv)
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{
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Mariadb_nodes::require_gtid(true);
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TestConnections::require_repl_version("10.3.8");
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TestConnections test(argc, argv);
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const int N_QUERIES = 100;
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test.repl->execute_query_all_nodes("SET GLOBAL session_track_system_variables='last_gtid'");
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test.repl->connect();
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std::string master = get_row(test.repl->nodes[0], "SELECT @@server_id")[0];
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test.repl->disconnect();
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test.maxscales->connect();
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test.try_query(test.maxscales->conn_rwsplit[0], "CREATE OR REPLACE TABLE test.t1(id INT)");
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for (int i = 0; i < N_QUERIES; i++)
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{
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std::string value = std::to_string(i);
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std::string insert = "INSERT INTO test.t1 VALUES (" + value + ")";
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std::string select = "SELECT @@server_id, COUNT(*) FROM test.t1 WHERE id = " + value;
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test.try_query(test.maxscales->conn_rwsplit[0], "%s", insert.c_str());
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Row row = get_row(test.maxscales->conn_rwsplit[0], select);
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test.assert(!row.empty() && row [0] != master && row[1] == "1",
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"At %d: Row is %s", i, row.empty() ? "empty" : (row[0] + " " + row[1]).c_str());
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}
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test.try_query(test.maxscales->conn_rwsplit[0], "DROP TABLE test.t1");
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test.maxscales->disconnect();
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return test.global_result;
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}
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