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Bug #32709: Assertion failed: trx_data->empty(), file log.cc

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The assertion indicates that some data was left in the transaction
cache when the server was shut down, which means that a previous
statement did not commit or rollback correctly.

What happened was that a bug in the rollback of a transactional
table caused the transaction cache to be emptied, but not reset.
The error can be triggered by having a failing UPDATE or INSERT,
on a transactional table, causing an implicit rollback.

Fixed by always flushing the pending event to reset the state
properly.
This commit is contained in:
Mats Kindahl
2008-09-03 22:04:07 +02:00
parent 83ce448cfe
commit 9755f07279
7 changed files with 77 additions and 0 deletions
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sql/sql_class.h
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@ -1360,6 +1360,7 @@ public:
Rows_log_event* binlog_get_pending_rows_event() const;
void binlog_set_pending_rows_event(Rows_log_event* ev);
int binlog_flush_pending_rows_event(bool stmt_end);
int binlog_remove_pending_rows_event(bool clear_maps);
private:
uint binlog_table_maps; // Number of table maps currently in the binlog