diff options
Diffstat (limited to 'src/backend/access/common/heaptuple.c')
| -rw-r--r-- | src/backend/access/common/heaptuple.c | 74 |
1 files changed, 39 insertions, 35 deletions
diff --git a/src/backend/access/common/heaptuple.c b/src/backend/access/common/heaptuple.c index be725418021..2a07be49f8e 100644 --- a/src/backend/access/common/heaptuple.c +++ b/src/backend/access/common/heaptuple.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.50 1999/03/14 20:17:20 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.51 1999/05/25 16:06:35 momjian Exp $ * * NOTES * The old interface functions have been converted to macros @@ -124,7 +124,7 @@ DataFill(char *data, *bitP |= bitmask; } - data = (char *)att_align((long)data, att[i]->attlen, att[i]->attalign); + data = (char *) att_align((long) data, att[i]->attlen, att[i]->attalign); switch (att[i]->attlen) { case -1: @@ -151,7 +151,7 @@ DataFill(char *data, att[i]->attlen); break; } - data = (char *)att_addlength((long)data, att[i]->attlen, value[i]); + data = (char *) att_addlength((long) data, att[i]->attlen, value[i]); } } @@ -210,7 +210,7 @@ heap_attisnull(HeapTuple tup, int attnum) int heap_sysattrlen(AttrNumber attno) { - HeapTupleHeader f = NULL; + HeapTupleHeader f = NULL; switch (attno) { @@ -301,6 +301,7 @@ heap_getsysattr(HeapTuple tup, Buffer b, int attnum) } return (Datum) NULL; } + #endif /* ---------------- @@ -328,11 +329,11 @@ nocachegetattr(HeapTuple tuple, TupleDesc tupleDesc, bool *isnull) { - char *tp; /* ptr to att in tuple */ - HeapTupleHeader tup = tuple->t_data; - bits8 *bp = tup->t_bits; /* ptr to att in tuple */ - Form_pg_attribute *att = tupleDesc->attrs; - int slow = 0; /* do we have to walk nulls? */ + char *tp; /* ptr to att in tuple */ + HeapTupleHeader tup = tuple->t_data; + bits8 *bp = tup->t_bits; /* ptr to att in tuple */ + Form_pg_attribute *att = tupleDesc->attrs; + int slow = 0; /* do we have to walk nulls? */ #if IN_MACRO @@ -376,6 +377,7 @@ nocachegetattr(HeapTuple tuple, } else { + /* * there's a null somewhere in the tuple */ @@ -404,12 +406,13 @@ nocachegetattr(HeapTuple tuple, int finalbit = attnum & 0x07; /* check for nulls "before" final bit of last byte */ - if ((~ bp[byte]) & ((1 << finalbit) - 1)) + if ((~bp[byte]) & ((1 << finalbit) - 1)) slow = 1; else { /* check for nulls in any "earlier" bytes */ - int i; + int i; + for (i = 0; i < byte; i++) { if (bp[i] != 0xFF) @@ -439,6 +442,7 @@ nocachegetattr(HeapTuple tuple, else if (!HeapTupleAllFixed(tuple)) { int j; + /* * In for(), we make this <= and not < because we want to test * if we can go past it in initializing offsets. @@ -456,9 +460,9 @@ nocachegetattr(HeapTuple tuple, /* * If slow is zero, and we got here, we know that we have a tuple with - * no nulls or varlenas before the target attribute. - * If possible, we also want to initialize the remainder of the - * attribute cached offset values. + * no nulls or varlenas before the target attribute. If possible, we + * also want to initialize the remainder of the attribute cached + * offset values. */ if (!slow) { @@ -570,7 +574,7 @@ heap_copytuple(HeapTuple tuple) newTuple->t_len = tuple->t_len; newTuple->t_self = tuple->t_self; newTuple->t_data = (HeapTupleHeader) ((char *) newTuple + HEAPTUPLESIZE); - memmove((char *) newTuple->t_data, + memmove((char *) newTuple->t_data, (char *) tuple->t_data, (int) tuple->t_len); return newTuple; } @@ -589,11 +593,11 @@ heap_copytuple_with_tuple(HeapTuple src, HeapTuple dest) dest->t_data = NULL; return; } - + dest->t_len = src->t_len; dest->t_self = src->t_self; dest->t_data = (HeapTupleHeader) palloc(src->t_len); - memmove((char *) dest->t_data, + memmove((char *) dest->t_data, (char *) src->t_data, (int) src->t_len); return; } @@ -657,14 +661,14 @@ heap_formtuple(TupleDesc tupleDescriptor, Datum *value, char *nulls) { - HeapTuple tuple; /* return tuple */ - HeapTupleHeader td; /* tuple data */ - int bitmaplen; - long len; - int hoff; - bool hasnull = false; - int i; - int numberOfAttributes = tupleDescriptor->natts; + HeapTuple tuple; /* return tuple */ + HeapTupleHeader td; /* tuple data */ + int bitmaplen; + long len; + int hoff; + bool hasnull = false; + int i; + int numberOfAttributes = tupleDescriptor->natts; len = offsetof(HeapTupleHeaderData, t_bits); @@ -760,9 +764,9 @@ heap_modifytuple(HeapTuple tuple, if (repl[attoff] == ' ') { value[attoff] = heap_getattr(tuple, - AttrOffsetGetAttrNumber(attoff), - RelationGetDescr(relation), - &isNull); + AttrOffsetGetAttrNumber(attoff), + RelationGetDescr(relation), + &isNull); nulls[attoff] = (isNull) ? 'n' : ' '; } @@ -790,12 +794,12 @@ heap_modifytuple(HeapTuple tuple, infomask = newTuple->t_data->t_infomask; memmove((char *) &newTuple->t_data->t_oid, /* XXX */ (char *) &tuple->t_data->t_oid, - ((char *) &tuple->t_data->t_hoff - - (char *) &tuple->t_data->t_oid)); /* XXX */ + ((char *) &tuple->t_data->t_hoff - + (char *) &tuple->t_data->t_oid)); /* XXX */ newTuple->t_data->t_infomask = infomask; newTuple->t_data->t_natts = numberOfAttributes; newTuple->t_self = tuple->t_self; - + return newTuple; } @@ -809,10 +813,10 @@ heap_addheader(uint32 natts, /* max domain index */ int structlen, /* its length */ char *structure) /* pointer to the struct */ { - HeapTuple tuple; - HeapTupleHeader td; /* tuple data */ - long len; - int hoff; + HeapTuple tuple; + HeapTupleHeader td; /* tuple data */ + long len; + int hoff; AssertArg(natts > 0); |