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Add prokind column, replacing proisagg and proiswindow

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The new column distinguishes normal functions, procedures, aggregates,
and window functions.  This replaces the existing columns proisagg and
proiswindow, and replaces the convention that procedures are indicated
by prorettype == 0.  Also change prorettype to be VOIDOID for procedures.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
This commit is contained in:
Peter Eisentraut
2018-03-02 08:57:38 -05:00
parent 1733460f02
commit fd1a421fe6
40 changed files with 3246 additions and 3174 deletions
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12
src/backend/utils/cache/lsyscache.c vendored
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@ -1600,20 +1600,20 @@ func_parallel(Oid funcid)
}
/*
* get_func_isagg
* Given procedure id, return the function's proisagg field.
* get_func_prokind
* Given procedure id, return the routine kind.
*/
bool
get_func_isagg(Oid funcid)
char
get_func_prokind(Oid funcid)
{
HeapTuple tp;
bool result;
char result;
tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(tp))
elog(ERROR, "cache lookup failed for function %u", funcid);
result = ((Form_pg_proc) GETSTRUCT(tp))->proisagg;
result = ((Form_pg_proc) GETSTRUCT(tp))->prokind;
ReleaseSysCache(tp);
return result;
}