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Support more commands in event triggers

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COMMENT, SECURITY LABEL, and GRANT/REVOKE now also fire
ddl_command_start and ddl_command_end event triggers, when they operate
on database-local objects.

Reviewed-By: Michael Paquier, Andres Freund, Stephen Frost
This commit is contained in:
Alvaro Herrera
2015-02-23 14:22:42 -03:00
parent 88e9823026
commit 296f3a6053
4 changed files with 207 additions and 17 deletions
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34
src/backend/commands/event_trigger.c
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@ -267,8 +267,12 @@ check_ddl_tag(const char *tag)
pg_strcasecmp(tag, "REFRESH MATERIALIZED VIEW") == 0 ||
pg_strcasecmp(tag, "ALTER DEFAULT PRIVILEGES") == 0 ||
pg_strcasecmp(tag, "ALTER LARGE OBJECT") == 0 ||
pg_strcasecmp(tag, "COMMENT") == 0 ||
pg_strcasecmp(tag, "GRANT") == 0 ||
pg_strcasecmp(tag, "REVOKE") == 0 ||
pg_strcasecmp(tag, "DROP OWNED") == 0 ||
pg_strcasecmp(tag, "IMPORT FOREIGN SCHEMA") == 0)
pg_strcasecmp(tag, "IMPORT FOREIGN SCHEMA") == 0 ||
pg_strcasecmp(tag, "SECURITY LABEL") == 0)
return EVENT_TRIGGER_COMMAND_TAG_OK;
/*
@ -1149,6 +1153,34 @@ EventTriggerSupportsObjectClass(ObjectClass objclass)
return true;
}
bool
EventTriggerSupportsGrantObjectType(GrantObjectType objtype)
{
switch (objtype)
{
case ACL_OBJECT_DATABASE:
case ACL_OBJECT_TABLESPACE:
/* no support for global objects */
return false;
case ACL_OBJECT_COLUMN:
case ACL_OBJECT_RELATION:
case ACL_OBJECT_SEQUENCE:
case ACL_OBJECT_DOMAIN:
case ACL_OBJECT_FDW:
case ACL_OBJECT_FOREIGN_SERVER:
case ACL_OBJECT_FUNCTION:
case ACL_OBJECT_LANGUAGE:
case ACL_OBJECT_LARGEOBJECT:
case ACL_OBJECT_NAMESPACE:
case ACL_OBJECT_TYPE:
return true;
default:
Assert(false);
return true;
}
}
/*
* Prepare event trigger state for a new complete query to run, if necessary;
* returns whether this was done. If it was, EventTriggerEndCompleteQuery must