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Merge mockturtle.local:/home/dlenev/src/mysql-5.0-bg20670-2

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into  mockturtle.local:/home/dlenev/src/mysql-5.1-bg20670
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dlenev@mockturtle.local
2006-09-29 18:26:30 +04:00
parent 5f149dde09 091ed9fb38
commit ae117f23a8
4 changed files with 63 additions and 5 deletions
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32
sql/sql_trigger.cc
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@@ -1582,6 +1582,38 @@ void Table_triggers_list::mark_fields_used(trg_event_type event)
}
/*
Check if field of subject table can be changed in before update trigger.
SYNOPSIS
is_updated_in_before_update_triggers()
field Field object for field to be checked
NOTE
Field passed to this function should be bound to the same
TABLE object as Table_triggers_list.
RETURN VALUE
TRUE Field is changed
FALSE Otherwise
*/
bool Table_triggers_list::is_updated_in_before_update_triggers(Field *fld)
{
Item_trigger_field *trg_fld;
for (trg_fld= trigger_fields[TRG_EVENT_UPDATE][TRG_ACTION_BEFORE];
trg_fld != 0;
trg_fld= trg_fld->next_trg_field)
{
if (trg_fld->get_settable_routine_parameter() &&
trg_fld->field_idx != (uint)-1 &&
table->field[trg_fld->field_idx]->eq(fld))
return TRUE;
}
return FALSE;
}
/*
Trigger BUG#14090 compatibility hook