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pg_event_trigger_dropped_objects: add behavior flags

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Add "normal" and "original" flags as output columns to the
pg_event_trigger_dropped_objects() function.  With this it's possible to
distinguish which objects, among those listed, need to be explicitely
referenced when trying to replicate a deletion.

This is necessary so that the list of objects can be pruned to the
minimum necessary to replicate the DROP command in a remote server that
might have slightly different schema (for instance, TOAST tables and
constraints with different names and such.)

Catalog version bumped due to change of function definition.

Reviewed by: Abhijit Menon-Sen, Stephen Frost, Heikki Linnakangas,
Robert Haas.
This commit is contained in:
Alvaro Herrera
2014-12-19 15:00:45 -03:00
parent 5c805d0a81
commit 0ee98d1cbf
8 changed files with 114 additions and 11 deletions
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3
src/include/commands/event_trigger.h
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@@ -56,6 +56,7 @@ extern void EventTriggerTableRewrite(Node *parsetree, Oid tableOid, int reason);
extern bool EventTriggerBeginCompleteQuery(void);
extern void EventTriggerEndCompleteQuery(void);
extern bool trackDroppedObjectsNeeded(void);
extern void EventTriggerSQLDropAddObject(ObjectAddress *object);
extern void EventTriggerSQLDropAddObject(const ObjectAddress *object,
bool original, bool normal);
#endif /* EVENT_TRIGGER_H */