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Fix Bug# 56228 - Dropping tables from within an active statement crashes server

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InnoDB AUTOINC code expects the locks to be released in strict reverse order
at the end of the statement. However, nested stored proedures and partition
tables break this rule. We now allow the locks to be deleted from the
trx->autoinc_locks vector in any order but optimise for the common (old) case.

rb://441 Approved by Marko Makela
This commit is contained in:
Sunny Bains
2010-11-30 20:11:26 +11:00
parent e92d96195b
commit a699e4fce8
6 changed files with 196 additions and 3 deletions
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19
storage/innodb_plugin/include/ut0vec.h
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@@ -93,6 +93,25 @@ ib_vector_get(
ib_vector_t* vec, /*!< in: vector */
ulint n); /*!< in: element index to get */
/****************************************************************//**
Get last element. The vector must not be empty.
@return last element */
UNIV_INLINE
void*
ib_vector_get_last(
/*===============*/
ib_vector_t* vec); /*!< in: vector */
/****************************************************************//**
Set the n'th element. */
UNIV_INLINE
void
ib_vector_set(
/*==========*/
ib_vector_t* vec, /*!< in/out: vector */
ulint n, /*!< in: element index to set */
void* elem); /*!< in: data element */
/****************************************************************//**
Remove the last element from the vector. */
UNIV_INLINE