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Restructure indexscan API (index_beginscan, index_getnext) per

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yesterday's proposal to pghackers.  Also remove unnecessary parameters
to heap_beginscan, heap_rescan.  I modified pg_proc.h to reflect the
new numbers of parameters for the AM interface routines, but did not
force an initdb because nothing actually looks at those fields.
This commit is contained in:
Tom Lane
2002-05-20 23:51:44 +00:00
parent c961474c96
commit 44fbe20d62
59 changed files with 834 additions and 1283 deletions
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6
src/backend/commands/analyze.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.32 2002/04/16 23:08:10 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.33 2002/05/20 23:51:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -524,8 +524,8 @@ acquire_sample_rows(Relation onerel, HeapTuple *rows, int targrows,
/*
* Do a simple linear scan until we reach the target number of rows.
*/
scan = heap_beginscan(onerel, false, SnapshotNow, 0, NULL);
while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
scan = heap_beginscan(onerel, SnapshotNow, 0, NULL);
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
rows[numrows++] = heap_copytuple(tuple);
if (numrows >= targrows)