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Clean up some ugly coding (hardwired constants) in index_formtuple.

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This commit is contained in:
Tom Lane 2000-09-23 22:40:12 +00:00
parent 33e5a4dfa5
commit acbbeffc29
1 changed files with 14 additions and 12 deletions
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26
src/backend/access/common/indextuple.c
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@ -9,7 +9,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.44 2000/07/22 11:18:45 wieck Exp $ * $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.45 2000/09/23 22:40:12 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -46,8 +46,8 @@ index_formtuple(TupleDesc tupleDescriptor,
uint16 tupmask = 0; uint16 tupmask = 0;
int numberOfAttributes = tupleDescriptor->natts; int numberOfAttributes = tupleDescriptor->natts;
#ifdef TOAST_INDEX_HACK #ifdef TOAST_INDEX_HACK
Datum untoasted_value[MaxHeapAttributeNumber]; Datum untoasted_value[INDEX_MAX_KEYS];
bool untoasted_free[MaxHeapAttributeNumber]; bool untoasted_free[INDEX_MAX_KEYS];
#endif #endif
if (numberOfAttributes > INDEX_MAX_KEYS) if (numberOfAttributes > INDEX_MAX_KEYS)
@ -79,10 +79,14 @@ index_formtuple(TupleDesc tupleDescriptor,
} }
} }
#endif #endif
for (i = 0; i < numberOfAttributes && !hasnull; i++)
for (i = 0; i < numberOfAttributes; i++)
{ {
if (null[i] != ' ') if (null[i] != ' ')
{
hasnull = true; hasnull = true;
break;
}
} }
if (hasnull) if (hasnull)
@ -122,23 +126,21 @@ index_formtuple(TupleDesc tupleDescriptor,
/* /*
* We do this because DataFill wants to initialize a "tupmask" which * We do this because DataFill wants to initialize a "tupmask" which
* is used for HeapTuples, but we want an indextuple infomask. The * is used for HeapTuples, but we want an indextuple infomask. The
* only "relevent" info is the "has variable attributes" field, which * only relevant info is the "has variable attributes" field.
* is in mask position 0x02. We have already set the null mask above. * We have already set the hasnull bit above.
*/ */
if (tupmask & 0x02) if (tupmask & HEAP_HASVARLENA)
infomask |= INDEX_VAR_MASK; infomask |= INDEX_VAR_MASK;
/* /*
* Here we make sure that we can actually hold the size. We also want * Here we make sure that the size will fit in the field reserved for
* to make sure that size is not aligned oddly. This actually is a * it in t_info.
* rather odd way to make sure the size is not too large overall.
*/ */
if (size & 0xE000) if ((size & INDEX_SIZE_MASK) != size)
elog(ERROR, "index_formtuple: data takes %d bytes: too big", size); elog(ERROR, "index_formtuple: data takes %d bytes: too big", size);
infomask |= size; infomask |= size;
/* ---------------- /* ----------------