Dmitry Shulga 053475fe4f MDEV-5816: Stored programs: validation of stored program statements ...

This is the prerequisite patch to make interface of the class
Reprepare_observer more similar to the one used by MySQL.

This patch adds the method can_retry() to the class Reprepare_observer
that returns true in case max. number of attempts to re-run a failing
statement is not yet reached. To control the number of re-run attempts
already done the data member m_attempt has been introduced. Doing this way,
we encapsulate activity with incrementing a counter on every statement
run and checking whether it reaches a limit or not inside implementation
of the class Reprepare_observer instead duplicating such boiler plate code
in every place where controlling for reaching a limit of max. number attempts
for re-running failed statement is required.

2023-07-20 17:46:44 +07:00

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