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  1. MariaDB Server
  2. MDEV-24346

valgrind error in main.precedence

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    Description

      LIKE ... ESCAPE xxx expects xxx to be a constant expression. In certain cases subqueries pretend to be constant but not have a value at fix_fields(). In these cases the value of escape stays not initialized.

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            sanja Oleksandr Byelkin added a comment -

            I'd prohibit "is_exepensive" constant in escape. Because it is against our ususal practice and can be dangerows.

            otherwise it is OK.

            sanja Oleksandr Byelkin added a comment - I'd prohibit "is_exepensive" constant in escape. Because it is against our ususal practice and can be dangerows. otherwise it is OK.
            serg Sergei Golubchik added a comment -

            tested with RQG, found a couple of issues (all fixed). No problems with is_expensive. I'll add a comment about it, though, as discussed on slack

            serg Sergei Golubchik added a comment - tested with RQG, found a couple of issues (all fixed). No problems with is_expensive. I'll add a comment about it, though, as discussed on slack

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              serg Sergei Golubchik
              serg Sergei Golubchik
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