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Remove the t_datamcxt field of HeapTupleData. This was introduced for

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the convenience of tuptoaster.c and is no longer needed, so may as well
get rid of some small amount of overhead.
This commit is contained in:
Tom Lane
2005-11-20 19:49:08 +00:00
parent 40314f2dac
commit dd218ae7b0
13 changed files with 24 additions and 66 deletions
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3
src/backend/utils/cache/relcache.c vendored
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.230 2005/10/15 02:49:31 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.231 2005/11/20 19:49:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2998,7 +2998,6 @@ load_relcache_init_file(void)
goto read_failed;
/* Fix up internal pointers in the tuple -- see heap_copytuple */
rel->rd_indextuple->t_datamcxt = CurrentMemoryContext;
rel->rd_indextuple->t_data = (HeapTupleHeader) ((char *) rel->rd_indextuple + HEAPTUPLESIZE);
rel->rd_index = (Form_pg_index) GETSTRUCT(rel->rd_indextuple);

3
src/backend/utils/sort/tuplesort.c
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@@ -78,7 +78,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.54 2005/10/25 13:47:08 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.55 2005/11/20 19:49:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2071,7 +2071,6 @@ readtup_heap(Tuplesortstate *state, int tapenum, unsigned int len)
/* reconstruct the HeapTupleData portion */
tuple->t_len = len - sizeof(unsigned int);
ItemPointerSetInvalid(&(tuple->t_self));
tuple->t_datamcxt = CurrentMemoryContext;
tuple->t_data = (HeapTupleHeader) (((char *) tuple) + HEAPTUPLESIZE);
/* read in the tuple proper */
if (LogicalTapeRead(state->tapeset, tapenum, (void *) tuple->t_data,

3
src/backend/utils/sort/tuplestore.c
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@@ -36,7 +36,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplestore.c,v 1.23 2005/10/15 02:49:37 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplestore.c,v 1.24 2005/11/20 19:49:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -707,7 +707,6 @@ readtup_heap(Tuplestorestate *state, unsigned int len)
/* reconstruct the HeapTupleData portion */
tuple->t_len = len - sizeof(unsigned int);
ItemPointerSetInvalid(&(tuple->t_self));
tuple->t_datamcxt = CurrentMemoryContext;
tuple->t_data = (HeapTupleHeader) (((char *) tuple) + HEAPTUPLESIZE);
/* read in the tuple proper */
if (BufFileRead(state->myfile, (void *) tuple->t_data,