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Remove get_atttypmod()

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This has been unused since 2004.  get_atttypetypmodcoll() is often a
better alternative.

Reviewed-by: Michael Paquier <michael@paquier.xyz>
This commit is contained in:
Peter Eisentraut 2018-10-18 19:28:28 +02:00
parent e6f5d1accd
commit c903bb7b1c
2 changed files with 1 additions and 29 deletions
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29
src/backend/utils/cache/lsyscache.c vendored
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@ -880,40 +880,13 @@ get_atttype(Oid relid, AttrNumber attnum)
return InvalidOid; return InvalidOid;
} }
/*
* get_atttypmod
*
* Given the relation id and the attribute number,
* return the "atttypmod" field from the attribute relation.
*/
int32
get_atttypmod(Oid relid, AttrNumber attnum)
{
HeapTuple tp;
tp = SearchSysCache2(ATTNUM,
ObjectIdGetDatum(relid),
Int16GetDatum(attnum));
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
int32 result;
result = att_tup->atttypmod;
ReleaseSysCache(tp);
return result;
}
else
return -1;
}
/* /*
* get_atttypetypmodcoll * get_atttypetypmodcoll
* *
* A three-fer: given the relation id and the attribute number, * A three-fer: given the relation id and the attribute number,
* fetch atttypid, atttypmod, and attcollation in a single cache lookup. * fetch atttypid, atttypmod, and attcollation in a single cache lookup.
* *
* Unlike the otherwise-similar get_atttype/get_atttypmod, this routine * Unlike the otherwise-similar get_atttype, this routine
* raises an error if it can't obtain the information. * raises an error if it can't obtain the information.
*/ */
void void

1
src/include/utils/lsyscache.h
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@ -87,7 +87,6 @@ extern char *get_attname(Oid relid, AttrNumber attnum, bool missing_ok);
extern AttrNumber get_attnum(Oid relid, const char *attname); extern AttrNumber get_attnum(Oid relid, const char *attname);
extern char get_attidentity(Oid relid, AttrNumber attnum); extern char get_attidentity(Oid relid, AttrNumber attnum);
extern Oid get_atttype(Oid relid, AttrNumber attnum); extern Oid get_atttype(Oid relid, AttrNumber attnum);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern void get_atttypetypmodcoll(Oid relid, AttrNumber attnum, extern void get_atttypetypmodcoll(Oid relid, AttrNumber attnum,
Oid *typid, int32 *typmod, Oid *collid); Oid *typid, int32 *typmod, Oid *collid);
extern char *get_collation_name(Oid colloid); extern char *get_collation_name(Oid colloid);