diff options
Diffstat (limited to 'src/include/access/heapam.h')
| -rw-r--r-- | src/include/access/heapam.h | 181 |
1 files changed, 70 insertions, 111 deletions
diff --git a/src/include/access/heapam.h b/src/include/access/heapam.h index 9880d2aa321..ab30f09b308 100644 --- a/src/include/access/heapam.h +++ b/src/include/access/heapam.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: heapam.h,v 1.53 2000/06/18 22:44:23 tgl Exp $ + * $Id: heapam.h,v 1.54 2000/06/30 16:10:49 petere Exp $ * *------------------------------------------------------------------------- */ @@ -100,91 +100,50 @@ extern Datum nocachegetattr(HeapTuple tup, int attnum, #if !defined(DISABLE_COMPLEX_MACRO) -#define fastgetattr(tup, attnum, tupleDesc, isnull) \ -( \ - AssertMacro((attnum) > 0), \ - ((isnull) ? (*(isnull) = false) : (dummyret)NULL), \ - HeapTupleNoNulls(tup) ? \ - ( \ - ((tupleDesc)->attrs[(attnum)-1]->attcacheoff != -1 || \ - (attnum) == 1) ? \ - ( \ - (Datum)fetchatt(&((tupleDesc)->attrs[(attnum)-1]), \ - (char *) (tup)->t_data + (tup)->t_data->t_hoff + \ - ( \ - ((attnum) != 1) ? \ - (tupleDesc)->attrs[(attnum)-1]->attcacheoff \ - : \ - 0 \ - ) \ - ) \ - ) \ - : \ - nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) \ - ) \ - : \ - ( \ - att_isnull((attnum)-1, (tup)->t_data->t_bits) ? \ - ( \ - ((isnull) ? (*(isnull) = true) : (dummyret)NULL), \ - (Datum)NULL \ - ) \ - : \ - ( \ - nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) \ - ) \ - ) \ +#define fastgetattr(tup, attnum, tupleDesc, isnull) \ +( \ + AssertMacro((attnum) > 0), \ + ((isnull) ? (*(isnull) = false) : (dummyret)NULL), \ + HeapTupleNoNulls(tup) ? \ + ( \ + ((tupleDesc)->attrs[(attnum)-1]->attcacheoff != -1 || \ + (attnum) == 1) ? \ + ( \ + (Datum)fetchatt(&((tupleDesc)->attrs[(attnum)-1]), \ + (char *) (tup)->t_data + (tup)->t_data->t_hoff + \ + ( \ + ((attnum) != 1) ? \ + (tupleDesc)->attrs[(attnum)-1]->attcacheoff \ + : \ + 0 \ + ) \ + ) \ + ) \ + : \ + nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) \ + ) \ + : \ + ( \ + att_isnull((attnum)-1, (tup)->t_data->t_bits) ? \ + ( \ + ((isnull) ? (*(isnull) = true) : (dummyret)NULL), \ + (Datum)NULL \ + ) \ + : \ + ( \ + nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) \ + ) \ + ) \ ) -#else /* !defined(DISABLE_COMPLEX_MACRO) */ +#else /* defined(DISABLE_COMPLEX_MACRO) */ -static Datum +extern Datum fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc, - bool *isnull) -{ - return ( - (attnum) > 0 ? - ( - ((isnull) ? (*(isnull) = false) : (dummyret) NULL), - HeapTupleNoNulls(tup) ? - ( - ((tupleDesc)->attrs[(attnum) - 1]->attcacheoff != -1 || - (attnum) == 1) ? - ( - (Datum) fetchatt(&((tupleDesc)->attrs[(attnum) - 1]), - (char *) (tup)->t_data + (tup)->t_data->t_hoff + - ( - ((attnum) != 1) ? - (tupleDesc)->attrs[(attnum) - 1]->attcacheoff - : - 0 - ) - ) - ) - : - nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) - ) - : - ( - att_isnull((attnum) - 1, (tup)->t_data->t_bits) ? - ( - ((isnull) ? (*(isnull) = true) : (dummyret) NULL), - (Datum) NULL - ) - : - ( - nocachegetattr((tup), (attnum), (tupleDesc), (isnull)) - ) - ) - ) - : - ( - (Datum) NULL - ) - ); -} + bool *isnull); + +#endif /* defined(DISABLE_COMPLEX_MACRO) */ -#endif /* ---------------- * heap_getattr @@ -206,36 +165,36 @@ fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc, * * ---------------- */ -#define heap_getattr(tup, attnum, tupleDesc, isnull) \ -( \ - AssertMacro((tup) != NULL && \ - (attnum) > FirstLowInvalidHeapAttributeNumber && \ - (attnum) != 0), \ - ((attnum) > (int) (tup)->t_data->t_natts) ? \ - ( \ - ((isnull) ? (*(isnull) = true) : (dummyret)NULL), \ - (Datum)NULL \ - ) \ - : \ - ( \ - ((attnum) > 0) ? \ - ( \ - fastgetattr((tup), (attnum), (tupleDesc), (isnull)) \ - ) \ - : \ - ( \ - ((isnull) ? (*(isnull) = false) : (dummyret)NULL), \ - ((attnum) == SelfItemPointerAttributeNumber) ? \ - ( \ - (Datum)((char *)&((tup)->t_self)) \ - ) \ - : \ - ( \ - (Datum)*(unsigned int *) \ - ((char *)(tup)->t_data + heap_sysoffset[-(attnum)-1]) \ - ) \ - ) \ - ) \ +#define heap_getattr(tup, attnum, tupleDesc, isnull) \ +( \ + AssertMacro((tup) != NULL && \ + (attnum) > FirstLowInvalidHeapAttributeNumber && \ + (attnum) != 0), \ + ((attnum) > (int) (tup)->t_data->t_natts) ? \ + ( \ + ((isnull) ? (*(isnull) = true) : (dummyret)NULL), \ + (Datum)NULL \ + ) \ + : \ + ( \ + ((attnum) > 0) ? \ + ( \ + fastgetattr((tup), (attnum), (tupleDesc), (isnull)) \ + ) \ + : \ + ( \ + ((isnull) ? (*(isnull) = false) : (dummyret)NULL), \ + ((attnum) == SelfItemPointerAttributeNumber) ? \ + ( \ + (Datum)((char *)&((tup)->t_self)) \ + ) \ + : \ + ( \ + (Datum)*(unsigned int *) \ + ((char *)(tup)->t_data + heap_sysoffset[-(attnum)-1]) \ + ) \ + ) \ + ) \ ) extern HeapAccessStatistics heap_access_stats; /* in stats.c */ |