diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 688740e32da..d91f47b7ca2 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.40 2000/02/16 01:00:23 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.41 2000/04/12 17:15:53 momjian Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -64,6 +64,7 @@ get_attname(Oid relid, AttrNumber attnum) if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); + return pstrdup(NameStr(att_tup->attname)); } else @@ -89,6 +90,7 @@ get_attnum(Oid relid, char *attname) if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); + return att_tup->attnum; } else @@ -114,6 +116,7 @@ get_atttype(Oid relid, AttrNumber attnum) if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); + return att_tup->atttypid; } else @@ -136,6 +139,7 @@ get_attisset(Oid relid, char *attname) if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); + return att_tup->attisset; } else @@ -161,6 +165,7 @@ get_atttypmod(Oid relid, AttrNumber attnum) if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); + return att_tup->atttypmod; } else @@ -206,8 +211,8 @@ get_attdisbursion(Oid relid, AttrNumber attnum, double min_estimate) /* * Special-case boolean columns: the disbursion of a boolean is highly - * unlikely to be anywhere near 1/numtuples, instead it's probably more - * like 0.5. + * unlikely to be anywhere near 1/numtuples, instead it's probably + * more like 0.5. * * Are there any other cases we should wire in special estimates for? */ @@ -215,8 +220,8 @@ get_attdisbursion(Oid relid, AttrNumber attnum, double min_estimate) return 0.5; /* - * Disbursion is either 0 (no data available) or -1 (disbursion - * is 1/numtuples). Either way, we need the relation size. + * Disbursion is either 0 (no data available) or -1 (disbursion is + * 1/numtuples). Either way, we need the relation size. */ atp = SearchSysCacheTuple(RELOID, @@ -246,10 +251,9 @@ get_attdisbursion(Oid relid, AttrNumber attnum, double min_estimate) return 1.0 / (double) ntuples; /* - * VACUUM ANALYZE has not been run for this table. - * Produce an estimate = 1/numtuples. This may produce - * unreasonably small estimates for large tables, so limit - * the estimate to no less than min_estimate. + * VACUUM ANALYZE has not been run for this table. Produce an estimate + * = 1/numtuples. This may produce unreasonably small estimates for + * large tables, so limit the estimate to no less than min_estimate. */ disbursion = 1.0 / (double) ntuples; if (disbursion < min_estimate) @@ -283,6 +287,7 @@ get_opcode(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return optup->oprcode; } else @@ -306,6 +311,7 @@ get_opname(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return pstrdup(NameStr(optup->oprname)); } else @@ -401,6 +407,7 @@ get_commutator(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return optup->oprcom; } else @@ -424,6 +431,7 @@ get_negator(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return optup->oprnegate; } else @@ -447,6 +455,7 @@ get_oprrest(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return optup->oprrest; } else @@ -470,6 +479,7 @@ get_oprjoin(Oid opno) if (HeapTupleIsValid(tp)) { Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp); + return optup->oprjoin; } else @@ -520,6 +530,7 @@ get_relnatts(Oid relid) if (HeapTupleIsValid(tp)) { Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp); + return reltup->relnatts; } else @@ -543,6 +554,7 @@ get_rel_name(Oid relid) if (HeapTupleIsValid(tp)) { Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp); + return pstrdup(NameStr(reltup->relname)); } else @@ -568,6 +580,7 @@ get_typlen(Oid typid) if (HeapTupleIsValid(tp)) { Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp); + return typtup->typlen; } else @@ -592,6 +605,7 @@ get_typbyval(Oid typid) if (HeapTupleIsValid(tp)) { Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp); + return (bool) typtup->typbyval; } else @@ -610,6 +624,7 @@ get_typalign(Oid typid) if (HeapTupleIsValid(tp)) { Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp); + return typtup->typalign; } else @@ -649,11 +664,12 @@ get_typdefault(Oid typid) type = (Form_pg_type) GETSTRUCT(typeTuple); /* - * First, see if there is a non-null typdefault field (usually there isn't) + * First, see if there is a non-null typdefault field (usually there + * isn't) */ typDefault = (struct varlena *) SysCacheGetAttr(TYPEOID, typeTuple, - Anum_pg_type_typdefault, + Anum_pg_type_typdefault, &isNull); if (isNull) @@ -743,6 +759,7 @@ get_typtype(Oid typid) if (HeapTupleIsValid(tp)) { Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp); + return typtup->typtype; } else |