24bec67d90
The test did not synchronize the slaves before doing a read that depended on replication being in sync. It also didn't clear the previous value from the buffer used to store the test form results which caused a misleading error message.
104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/**
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* @file prepared_statement.cpp Checks if prepared statement works via Maxscale
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*
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* - Create table t1 and fill it ith some data
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* - via RWSplit:
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* + PREPARE stmt FROM 'SELECT * FROM t1 WHERE fl=@x;';
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* + SET @x = 3;")
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* + EXECUTE stmt")
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* + SET @x = 4;")
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* + EXECUTE stmt")
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* - check if Maxscale is alive
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*/
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#include "testconnections.h"
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#include "sql_t1.h"
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using namespace std;
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void test_basic(TestConnections& test)
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{
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test.set_timeout(60);
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int N = 4;
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test.repl->connect();
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test.connect_maxscale();
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create_t1(test.conn_rwsplit);
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insert_into_t1(test.conn_rwsplit, N);
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test.set_timeout(20);
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test.try_query(test.conn_rwsplit, "PREPARE stmt FROM 'SELECT * FROM t1 WHERE fl=@x;';");
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test.try_query(test.conn_rwsplit, "SET @x = 3;");
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test.try_query(test.conn_rwsplit, "EXECUTE stmt");
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test.try_query(test.conn_rwsplit, "SET @x = 4;");
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test.try_query(test.conn_rwsplit, "EXECUTE stmt");
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test.check_maxscale_alive();
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test.stop_timeout();
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}
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void test_routing(TestConnections& test)
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{
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test.set_timeout(60);
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test.repl->connect();
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int server_id = test.repl->get_server_id(0);
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test.connect_maxscale();
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// Test that reads are routed to slaves
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char buf[1024] = "-1";
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test.try_query(test.conn_rwsplit, "PREPARE ps1 FROM 'SELECT @@server_id'");
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test.add_result(find_field(test.conn_rwsplit, "EXECUTE ps1", "@@server_id", buf),
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"Execute should succeed");
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int res = atoi(buf);
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test.add_result(res == server_id, "Query should be routed to a slave (got %d, master is %d)", res, server_id);
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// Test reads inside transactions are routed to master
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strcpy(buf, "-1");
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test.try_query(test.conn_rwsplit, "BEGIN");
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test.add_result(find_field(test.conn_rwsplit, "EXECUTE ps1", "@@server_id", buf),
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"Execute should succeed");
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res = atoi(buf);
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test.add_result(res != server_id, "Query should be routed to master inside a transaction (got %d, master is %d)", res, server_id);
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test.try_query(test.conn_rwsplit, "COMMIT");
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// Test reads inside read-only transactions are routed slaves
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strcpy(buf, "-1");
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test.try_query(test.conn_rwsplit, "START TRANSACTION READ ONLY");
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test.add_result(find_field(test.conn_rwsplit, "EXECUTE ps1", "@@server_id", buf),
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"Execute should succeed");
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res = atoi(buf);
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test.add_result(res == server_id, "Query should be routed to a slave inside a read-only transaction (got %d, master is %d)", res, server_id);
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test.try_query(test.conn_rwsplit, "COMMIT");
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// Test prepared statements that modify data
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strcpy(buf, "-1");
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test.try_query(test.conn_rwsplit, "CREATE OR REPLACE TABLE test.t1 (id INT)");
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test.try_query(test.conn_rwsplit, "PREPARE ps2 FROM 'INSERT INTO test.t1 VALUES (?)'");
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test.try_query(test.conn_rwsplit, "SET @a = 1");
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test.try_query(test.conn_rwsplit, "EXECUTE ps2 USING @a");
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test.repl->sync_slaves();
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test.add_result(find_field(test.conn_rwsplit, "SELECT id FROM test.t1", "id", buf),
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"Read should succeed");
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res = atoi(buf);
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test.add_result(res != server_id, "Writes should be routed to the master (got %d, master is %d)", res, server_id);
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// Cleanup
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test.check_maxscale_alive();
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test.stop_timeout();
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}
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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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test.tprintf("Running basic test");
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test_basic(test);
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test.tprintf("Running text PS routing test");
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test_routing(test);
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return test.global_result;
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}
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