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Bug #43054 Assertion `!table->auto_increment_field_not_null' failed when

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redefining trigger
      
The 'table->auto_increment_field_not_null' flag is only valid within
processing of a single row, and should be set to FALSE before
navigating to the next row, or exiting the operation.
      
This bug was caused by an SQL error occuring while executing a trigger
after the flag had been set, so the normal resetting was bypassed.
The table object was then returned to the table share's cache in
a dirty condition.   When the table object was reused, an assert
caught that the flag was set.
      
This patch explicitly clears the flag on error/abort.


Backported from mysql-6.0-codebase  revid: 2617.52.1
This commit is contained in:
Magne Mahre
2009-10-15 14:53:06 +02:00
parent 7e895de84f
commit a363c06ed0
3 changed files with 88 additions and 0 deletions
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sql/sql_insert.cc
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@@ -3843,6 +3843,7 @@ void select_create::abort()
{
table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
table->file->extra(HA_EXTRA_WRITE_CANNOT_REPLACE);
table->auto_increment_field_not_null= FALSE;
if (!create_info->table_existed)
drop_open_table(thd, table, create_table->db, create_table->table_name);
table=0; // Safety