diff options
Diffstat (limited to 'src/backend/utils/adt/regproc.c')
| -rw-r--r-- | src/backend/utils/adt/regproc.c | 229 |
1 files changed, 120 insertions, 109 deletions
diff --git a/src/backend/utils/adt/regproc.c b/src/backend/utils/adt/regproc.c index 04442cb42df..6a4e8b01e50 100644 --- a/src/backend/utils/adt/regproc.c +++ b/src/backend/utils/adt/regproc.c @@ -1,13 +1,13 @@ /*------------------------------------------------------------------------- * * regproc.c-- - * Functions for the built-in type "RegProcedure". + * Functions for the built-in type "RegProcedure". * * Copyright (c) 1994, Regents of the University of California * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.5 1997/08/12 20:16:05 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.6 1997/09/07 04:50:41 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -19,129 +19,140 @@ #include "utils/palloc.h" #include "catalog/catname.h" -#include "utils/builtins.h" /* where function declarations go */ +#include "utils/builtins.h" /* where function declarations go */ -/***************************************************************************** - * USER I/O ROUTINES * +/***************************************************************************** + * USER I/O ROUTINES * *****************************************************************************/ /* - * regprocin - converts "proname" to proid + * regprocin - converts "proname" to proid * - * proid of NULL signifies unknown + * proid of NULL signifies unknown */ -int32 regprocin(char *proname) +int32 +regprocin(char *proname) { - Relation proc; - HeapScanDesc procscan; - HeapTuple proctup; - ScanKeyData key; - RegProcedure result = (Oid)0; - bool isnull; - - if (proname == NULL) - return(0); - proc = heap_openr(ProcedureRelationName); - if (!RelationIsValid(proc)) { - elog(WARN, "regprocin: could not open %s", - ProcedureRelationName); - return(0); - } - ScanKeyEntryInitialize(&key, - (bits16)0, - (AttrNumber)1, - (RegProcedure)F_CHAR16EQ, - (Datum)proname); - - procscan = heap_beginscan(proc, 0, NowTimeQual, 1, &key); - if (!HeapScanIsValid(procscan)) { - heap_close(proc); - elog(WARN, "regprocin: could not being scan of %s", - ProcedureRelationName); - return(0); - } - proctup = heap_getnext(procscan, 0, (Buffer *) NULL); - switch (HeapTupleIsValid(proctup)) { - case 1: - result = (RegProcedure) heap_getattr(proctup, - InvalidBuffer, - ObjectIdAttributeNumber, - RelationGetTupleDescriptor(proc), - &isnull); - if (isnull) { - elog(FATAL, "regprocin: null procedure %s", proname); + Relation proc; + HeapScanDesc procscan; + HeapTuple proctup; + ScanKeyData key; + RegProcedure result = (Oid) 0; + bool isnull; + + if (proname == NULL) + return (0); + proc = heap_openr(ProcedureRelationName); + if (!RelationIsValid(proc)) + { + elog(WARN, "regprocin: could not open %s", + ProcedureRelationName); + return (0); + } + ScanKeyEntryInitialize(&key, + (bits16) 0, + (AttrNumber) 1, + (RegProcedure) F_CHAR16EQ, + (Datum) proname); + + procscan = heap_beginscan(proc, 0, NowTimeQual, 1, &key); + if (!HeapScanIsValid(procscan)) + { + heap_close(proc); + elog(WARN, "regprocin: could not being scan of %s", + ProcedureRelationName); + return (0); } - break; - case 0: - result = (RegProcedure) 0; + proctup = heap_getnext(procscan, 0, (Buffer *) NULL); + switch (HeapTupleIsValid(proctup)) + { + case 1: + result = (RegProcedure) heap_getattr(proctup, + InvalidBuffer, + ObjectIdAttributeNumber, + RelationGetTupleDescriptor(proc), + &isnull); + if (isnull) + { + elog(FATAL, "regprocin: null procedure %s", proname); + } + break; + case 0: + result = (RegProcedure) 0; #ifdef EBUG - elog(DEBUG, "regprocin: no such procedure %s", proname); -#endif /* defined(EBUG) */ - } - heap_endscan(procscan); - heap_close(proc); - return((int32) result); + elog(DEBUG, "regprocin: no such procedure %s", proname); +#endif /* defined(EBUG) */ + } + heap_endscan(procscan); + heap_close(proc); + return ((int32) result); } /* - * regprocout - converts proid to "proname" + * regprocout - converts proid to "proname" */ -char *regprocout(RegProcedure proid) +char * +regprocout(RegProcedure proid) { - Relation proc; - HeapScanDesc procscan; - HeapTuple proctup; - char *result; - ScanKeyData key; - - result = (char *)palloc(NAMEDATALEN); - proc = heap_openr(ProcedureRelationName); - if (!RelationIsValid(proc)) { - elog(WARN, "regprocout: could not open %s", - ProcedureRelationName); - return(0); - } - ScanKeyEntryInitialize(&key, - (bits16)0, - (AttrNumber)ObjectIdAttributeNumber, - (RegProcedure)F_INT4EQ, - (Datum)proid); - - procscan = heap_beginscan(proc, 0, NowTimeQual, 1, &key); - if (!HeapScanIsValid(procscan)) { - heap_close(proc); - elog(WARN, "regprocin: could not being scan of %s", - ProcedureRelationName); - return(0); - } - proctup = heap_getnext(procscan, 0, (Buffer *)NULL); - switch (HeapTupleIsValid(proctup)) { - char *s; - bool isnull; - case 1: - s = (char *) heap_getattr(proctup, InvalidBuffer, 1, - RelationGetTupleDescriptor(proc), &isnull); - if (!isnull) { - strNcpy(result, s, 16); - break; + Relation proc; + HeapScanDesc procscan; + HeapTuple proctup; + char *result; + ScanKeyData key; + + result = (char *) palloc(NAMEDATALEN); + proc = heap_openr(ProcedureRelationName); + if (!RelationIsValid(proc)) + { + elog(WARN, "regprocout: could not open %s", + ProcedureRelationName); + return (0); + } + ScanKeyEntryInitialize(&key, + (bits16) 0, + (AttrNumber) ObjectIdAttributeNumber, + (RegProcedure) F_INT4EQ, + (Datum) proid); + + procscan = heap_beginscan(proc, 0, NowTimeQual, 1, &key); + if (!HeapScanIsValid(procscan)) + { + heap_close(proc); + elog(WARN, "regprocin: could not being scan of %s", + ProcedureRelationName); + return (0); } - elog(FATAL, "regprocout: null procedure %d", proid); - /*FALLTHROUGH*/ - case 0: - result[0] = '-'; - result[1] = '\0'; + proctup = heap_getnext(procscan, 0, (Buffer *) NULL); + switch (HeapTupleIsValid(proctup)) + { + char *s; + bool isnull; + + case 1: + s = (char *) heap_getattr(proctup, InvalidBuffer, 1, + RelationGetTupleDescriptor(proc), &isnull); + if (!isnull) + { + strNcpy(result, s, 16); + break; + } + elog(FATAL, "regprocout: null procedure %d", proid); + /* FALLTHROUGH */ + case 0: + result[0] = '-'; + result[1] = '\0'; #ifdef EBUG - elog(DEBUG, "regprocout: no such procedure %d", proid); -#endif /* defined(EBUG) */ - } - heap_endscan(procscan); - heap_close(proc); - return(result); + elog(DEBUG, "regprocout: no such procedure %d", proid); +#endif /* defined(EBUG) */ + } + heap_endscan(procscan); + heap_close(proc); + return (result); } -/***************************************************************************** - * PUBLIC ROUTINES * +/***************************************************************************** + * PUBLIC ROUTINES * *****************************************************************************/ /* regproctooid() @@ -149,13 +160,13 @@ char *regprocout(RegProcedure proid) * Define RegprocToOid() as a macro in builtins.h. * Referenced in pg_proc.h. - tgl 97/04/26 */ -Oid regproctooid(RegProcedure rp) +Oid +regproctooid(RegProcedure rp) { - return (Oid)rp; + return (Oid) rp; } /* (see int.c for comparison/operation routines) */ /* ========== PRIVATE ROUTINES ========== */ - |