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Add pg_trigger_depth() function

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This reports the depth level of triggers currently in execution, or zero
if not called from inside a trigger.

No catversion bump in this patch, but you have to initdb if you want
access to the new function.

Author: Kevin Grittner
This commit is contained in:
Alvaro Herrera
2012-01-25 13:15:29 -03:00
parent 6d5aae7afa
commit 74ab96a45e
6 changed files with 213 additions and 1 deletions
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src/include/commands/trigger.h
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@ -205,4 +205,6 @@ extern bool RI_Initial_Check(Trigger *trigger,
extern int RI_FKey_trigger_type(Oid tgfoid);
extern Datum pg_trigger_depth(PG_FUNCTION_ARGS);
#endif /* TRIGGER_H */