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Convert macros to static inline functions (itup.h)

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Reviewed-by: Amul Sul <sulamul@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517%40enterprisedb.com
This commit is contained in:
Peter Eisentraut 2022-07-19 06:58:11 +02:00
parent 2cbc3c17a5
commit 14a8bd9827
1 changed files with 60 additions and 57 deletions
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117
src/include/access/itup.h
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@ -73,21 +73,38 @@ typedef IndexAttributeBitMapData * IndexAttributeBitMap;
#define IndexTupleHasVarwidths(itup) ((((IndexTuple) (itup))->t_info & INDEX_VAR_MASK))
/* routines in indextuple.c */
extern IndexTuple index_form_tuple(TupleDesc tupleDescriptor,
Datum *values, bool *isnull);
extern IndexTuple index_form_tuple_context(TupleDesc tupleDescriptor,
Datum *values, bool *isnull,
MemoryContext context);
extern Datum nocache_index_getattr(IndexTuple tup, int attnum,
TupleDesc tupleDesc);
extern void index_deform_tuple(IndexTuple tup, TupleDesc tupleDescriptor,
Datum *values, bool *isnull);
extern void index_deform_tuple_internal(TupleDesc tupleDescriptor,
Datum *values, bool *isnull,
char *tp, bits8 *bp, int hasnulls);
extern IndexTuple CopyIndexTuple(IndexTuple source);
extern IndexTuple index_truncate_tuple(TupleDesc sourceDescriptor,
IndexTuple source, int leavenatts);
/*
* Takes an infomask as argument (primarily because this needs to be usable
* at index_form_tuple time so enough space is allocated).
*/
#define IndexInfoFindDataOffset(t_info) \
( \
(!((t_info) & INDEX_NULL_MASK)) ? \
( \
(Size)MAXALIGN(sizeof(IndexTupleData)) \
) \
: \
( \
(Size)MAXALIGN(sizeof(IndexTupleData) + sizeof(IndexAttributeBitMapData)) \
) \
)
static inline Size
IndexInfoFindDataOffset(unsigned short t_info)
{
if (!(t_info & INDEX_NULL_MASK))
return MAXALIGN(sizeof(IndexTupleData));
else
return MAXALIGN(sizeof(IndexTupleData) + sizeof(IndexAttributeBitMapData));
}
#ifndef FRONTEND
/* ----------------
* index_getattr
@ -97,34 +114,38 @@ typedef IndexAttributeBitMapData * IndexAttributeBitMap;
*
* ----------------
*/
#define index_getattr(tup, attnum, tupleDesc, isnull) \
( \
AssertMacro(PointerIsValid(isnull) && (attnum) > 0), \
*(isnull) = false, \
!IndexTupleHasNulls(tup) ? \
( \
TupleDescAttr((tupleDesc), (attnum)-1)->attcacheoff >= 0 ? \
( \
fetchatt(TupleDescAttr((tupleDesc), (attnum)-1), \
(char *) (tup) + IndexInfoFindDataOffset((tup)->t_info) \
+ TupleDescAttr((tupleDesc), (attnum)-1)->attcacheoff) \
) \
: \
nocache_index_getattr((tup), (attnum), (tupleDesc)) \
) \
: \
( \
(att_isnull((attnum)-1, (bits8 *)(tup) + sizeof(IndexTupleData))) ? \
( \
*(isnull) = true, \
(Datum)NULL \
) \
: \
( \
nocache_index_getattr((tup), (attnum), (tupleDesc)) \
) \
) \
)
static inline Datum
index_getattr(IndexTuple tup, int attnum, TupleDesc tupleDesc, bool *isnull)
{
Assert(PointerIsValid(isnull));
Assert(attnum > 0);
*isnull = false;
if (!IndexTupleHasNulls(tup))
{
if (TupleDescAttr(tupleDesc, attnum - 1)->attcacheoff >= 0)
{
return fetchatt(TupleDescAttr(tupleDesc, attnum - 1),
(char *) tup + IndexInfoFindDataOffset(tup->t_info)
+ TupleDescAttr(tupleDesc, attnum - 1)->attcacheoff);
}
else
return nocache_index_getattr(tup, attnum, tupleDesc);
}
else
{
if (att_isnull(attnum - 1, (bits8 *) tup + sizeof(IndexTupleData)))
{
*isnull = true;
return (Datum) NULL;
}
else
return nocache_index_getattr(tup, attnum, tupleDesc);
}
}
#endif
/*
* MaxIndexTuplesPerPage is an upper bound on the number of tuples that can
@ -146,22 +167,4 @@ typedef IndexAttributeBitMapData * IndexAttributeBitMap;
((int) ((BLCKSZ - SizeOfPageHeaderData) / \
(MAXALIGN(sizeof(IndexTupleData) + 1) + sizeof(ItemIdData))))
/* routines in indextuple.c */
extern IndexTuple index_form_tuple(TupleDesc tupleDescriptor,
Datum *values, bool *isnull);
extern IndexTuple index_form_tuple_context(TupleDesc tupleDescriptor,
Datum *values, bool *isnull,
MemoryContext context);
extern Datum nocache_index_getattr(IndexTuple tup, int attnum,
TupleDesc tupleDesc);
extern void index_deform_tuple(IndexTuple tup, TupleDesc tupleDescriptor,
Datum *values, bool *isnull);
extern void index_deform_tuple_internal(TupleDesc tupleDescriptor,
Datum *values, bool *isnull,
char *tp, bits8 *bp, int hasnulls);
extern IndexTuple CopyIndexTuple(IndexTuple source);
extern IndexTuple index_truncate_tuple(TupleDesc sourceDescriptor,
IndexTuple source, int leavenatts);
#endif /* ITUP_H */