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Trial implementation of ALTER DROP COLUMN.

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They are #ifdef'd.
Add -D_DROP_COLUMN_HACK__ compile option
to evaluate it.
This commit is contained in:
Hiroshi Inoue
2000-03-09 05:00:26 +00:00
parent 6513946cbb
commit fd9ff86bd9
8 changed files with 514 additions and 10 deletions
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6
src/backend/commands/vacuum.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.142 2000/03/08 23:41:00 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.143 2000/03/09 05:00:23 inoue Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2240,6 +2240,10 @@ vc_attrstats(Relation onerel, VRelStats *vacrelstats, HeapTuple tuple)
VacAttrStats *stats = &vacattrstats[i];
bool value_hit = true;
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(stats->attr))
continue;
#endif /* _DROP_COLUMN_HACK__ */
value = heap_getattr(tuple,
stats->attr->attnum, tupDesc, &isnull);