64 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.7 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 <maxtest/testconnections.hh>
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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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            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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            test.expect(query(q),
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                        "Query '%s' should work: %s",
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                        q.c_str(),
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                        mysql_error(test.maxscales->conn_rwsplit[0]));
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        };
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    auto err = [&](string q) {
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            test.expect(!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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