71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * MXS-1760: Adding use_sql_variables_in=master resulted in error "Client requests unknown
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 * prepared statement ID '0' that does not map to an internal ID"
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 *
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 * https://jira.mariadb.org/browse/MXS-1760
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 */
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#include <maxtest/testconnections.hh>
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#include <vector>
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#include <iostream>
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using namespace std;
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const int NUM_STMT = 2000;
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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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    std::vector<MYSQL_STMT*> stmts;
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    test.maxscales->connect();
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    cout << "Setting variable @a to 123" << endl;
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    mysql_query(test.maxscales->conn_rwsplit[0], "SET @a = 123");
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    int rc = execute_query_check_one(test.maxscales->conn_rwsplit[0], "SELECT @a", "123");
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    test.expect(rc == 0, "Text protocol should return 123 as the value of @a");
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    cout << "Preparing and executing " << NUM_STMT << " prepared statements" << endl;
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    for (int i = 0; i < NUM_STMT && test.global_result == 0; i++)
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    {
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        stmts.push_back(mysql_stmt_init(test.maxscales->conn_rwsplit[0]));
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        MYSQL_STMT* stmt = stmts.back();
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        const char* query = "SELECT @a";
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        test.add_result(mysql_stmt_prepare(stmt, query, strlen(query)),
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                        "Failed to prepare: %s",
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                        mysql_stmt_error(stmt));
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    }
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    for (auto stmt : stmts)
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    {
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        char buffer[100] = "";
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        my_bool err = false;
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        my_bool isnull = false;
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        MYSQL_BIND bind[1] = {};
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        bind[0].buffer_length = sizeof(buffer);
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        bind[0].buffer = buffer;
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        bind[0].error = &err;
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        bind[0].is_null = &isnull;
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        // Execute a write, should return the master's server ID
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        test.add_result(mysql_stmt_execute(stmt), "Failed to execute: %s", mysql_stmt_error(stmt));
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        test.add_result(mysql_stmt_bind_result(stmt, bind),
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                        "Failed to bind result: %s",
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                        mysql_stmt_error(stmt));
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        while (mysql_stmt_fetch(stmt) == 0)
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        {
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        }
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        test.add_result(strcmp(buffer, "123"), "Value is '%s', not '123'", buffer);
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        mysql_stmt_close(stmt);
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    }
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    test.maxscales->disconnect();
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    test.log_excludes(0, "unknown prepared statement");
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    return test.global_result;
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}
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