2f8bb71a58
The test verifies that different results returned by the replayed transaction cause the replaying to be aborted.
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
/**
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* MXS-1507: Test inconsistent result detection
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*
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* https://jira.mariadb.org/browse/MXS-1507
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*/
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#include "testconnections.h"
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#include <functional>
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#include <iostream>
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#include <vector>
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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(argc, argv);
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auto query = [&](string q)
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{
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return execute_query_silent(test.maxscales->conn_rwsplit[0], q.c_str()) == 0;
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};
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auto ok = [&](string q)
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{
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test.assert(query(q), "Query '%s' should work: %s", q.c_str(), mysql_error(test.maxscales->conn_rwsplit[0]));
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};
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auto err = [&](string q)
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{
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test.assert(!query(q), "Query should not work: %s", q.c_str());
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};
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// Create a table and insert one value
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test.maxscales->connect();
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ok("CREATE OR REPLACE TABLE test.t1 (id INT)");
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ok("INSERT INTO test.t1 VALUES (1)");
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// Make sure it's replicated to all slaves before starting the transaction
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test.repl->connect();
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test.repl->sync_slaves();
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// Read the inserted value inside a read-only transaction
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ok("START TRANSACTION READ ONLY");
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ok("SELECT * FROM test.t1");
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// Modify the related data mid-transaction
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execute_query(test.repl->nodes[0], "INSERT INTO test.t1 VALUES (2)");
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test.repl->sync_slaves();
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test.repl->disconnect();
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// Block the node where the transaction is active
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test.repl->block_node(1);
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sleep(5);
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// The checksums for the results should conflict causing the replay to fail
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err("COMMIT");
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test.maxscales->disconnect();
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test.maxscales->connect();
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ok("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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