Xrhrft

START TRANSACTION;



    SELECT CurrentSize

    FROM testtable

    WHERE id = {id} FOR UPDATE;



    -- update current size in testtable

    UPDATE testtable

    SET currentsize = currentsize + 1

    WHERE id = {id} ;

    -- insert into a different table

    insert into testtable2 values(1,2);

 COMMIT;

START TRANSACTION;



    SELECT CurrentSize

    FROM testtable

    WHERE id = {id} FOR UPDATE;



    -- update current size in testtable

    UPDATE testtable

    SET currentsize = currentsize + 1

    WHERE id = {id} ;

    -- insert into a different table

    insert into testtable2 values(1,2);

 COMMIT;

START TRANSACTION;



    SELECT CurrentSize

    FROM testtable

    WHERE id = {id} FOR UPDATE;



    -- update current size in testtable

    UPDATE testtable

    SET currentsize = currentsize + 1

    WHERE id = {id} ;

    -- insert into a different table

    insert into testtable2 values(1,2);

 COMMIT;

START TRANSACTION;



    SELECT CurrentSize

    FROM testtable

    WHERE id = {id} FOR UPDATE;



    -- update current size in testtable

    UPDATE testtable

    SET currentsize = currentsize + 1

    WHERE id = {id} ;

    -- insert into a different table

    insert into testtable2 values(1,2);

 COMMIT;

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