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MDEV-15991 Server crashes in setup_on_expr upon calling SP or function executing DML on versioned tables

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Do not try to set versioning conditions on every SP call. It may work
incorrectly, but it's a general bug described in MDEV-774.
This patch makes system versioning stuff consistent with other code and
also fixes a use-after-free bug.

Closes #756
This commit is contained in:
Eugene Kosov
2018-05-16 18:11:30 +03:00
committed by Sergei Golubchik
parent b1efff46cd
commit 748ef3ec91
4 changed files with 40 additions and 3 deletions
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2
sql/sql_class.h
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@ -1007,8 +1007,6 @@ public:
{ return state == STMT_PREPARED || state == STMT_EXECUTED; }
inline bool is_conventional() const
{ return state == STMT_CONVENTIONAL_EXECUTION; }
inline bool is_sp_execute() const
{ return is_stored_procedure; }
inline void* alloc(size_t size) { return alloc_root(mem_root,size); }
inline void* calloc(size_t size)