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BUG#53075 SBR: Strange warning around CONNECTION_ID

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Statements with CONNECTION_ID were forced to be kept in the transactional
cache and by consequence non-transactional changes that were supposed to
be flushed ahead of the transaction were kept in the transactional cache.

This happened because after BUG#51894 any statement whose thd's
thread_specific_used was set was kept in the transactional cache. The idea
was to keep changes on temporary tables in the transactional cache. However,
the thread_specific_used was set not only for statements that accessed
temporary tables but also when the CONNECTION_ID was used.

To fix the problem, we created a new variable to keep track of updates
to temporary tables.
This commit is contained in:
Alfranio Correia
2010-04-26 10:02:29 +01:00
parent 53af29c086
commit a6d6ac3dbe
6 changed files with 80 additions and 3 deletions
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5
sql/sql_class.h
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@ -2108,6 +2108,11 @@ public:
/** is set if some thread specific value(s) used in a statement. */
bool thread_specific_used;
/**
is set if a statement accesses a temporary table created through
CREATE TEMPORARY TABLE.
*/
bool thread_temporary_used;
bool charset_is_system_charset, charset_is_collation_connection;
bool charset_is_character_set_filesystem;
bool enable_slow_log; /* enable slow log for current statement */