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Bug#48525: trigger changes "Column 'id' cannot be null" behaviour

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CHECK_FIELD_IGNORE was treated as CHECK_FIELD_ERROR_FOR_NULL;
UPDATE...SET...NULL on NOT NULL fields behaved differently after
a trigger.

Now distinguishes between IGNORE and ERROR_FOR_NULL and save/restores
check-field options.
This commit is contained in:
Tatiana A. Nurnberg
2010-03-29 03:32:30 +01:00
parent 2049d1afc0
commit ec210cd09d
7 changed files with 55 additions and 9 deletions
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4
sql/sql_class.cc
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@ -3100,6 +3100,7 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup,
}
#endif
backup->count_cuted_fields= count_cuted_fields;
backup->options= options;
backup->in_sub_stmt= in_sub_stmt;
backup->enable_slow_log= enable_slow_log;
@ -3137,6 +3138,7 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup,
void THD::restore_sub_statement_state(Sub_statement_state *backup)
{
DBUG_ENTER("THD::restore_sub_statement_state");
#ifndef EMBEDDED_LIBRARY
/* BUG#33029, if we are replicating from a buggy master, restore
auto_inc_intervals_forced so that the top statement can use the
@ -3163,6 +3165,7 @@ void THD::restore_sub_statement_state(Sub_statement_state *backup)
/* ha_release_savepoint() never returns error. */
(void)ha_release_savepoint(this, sv);
}
count_cuted_fields= backup->count_cuted_fields;
transaction.savepoints= backup->savepoints;
options= backup->options;
in_sub_stmt= backup->in_sub_stmt;
@ -3192,6 +3195,7 @@ void THD::restore_sub_statement_state(Sub_statement_state *backup)
*/
examined_row_count+= backup->examined_row_count;
cuted_fields+= backup->cuted_fields;
DBUG_VOID_RETURN;
}