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Revise handling of index-type-specific indexscan cost estimation, per

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pghackers discussion of 5-Jan-2000.  The amopselect and amopnpages
estimators are gone, and in their place is a per-AM amcostestimate
procedure (linked to from pg_am, not pg_amop).
This commit is contained in:
Tom Lane
2000-01-22 23:50:30 +00:00
parent 78845177bb
commit 71ed7eb494
30 changed files with 502 additions and 1113 deletions
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3
src/backend/nodes/copyfuncs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.100 2000/01/17 00:14:46 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.101 2000/01/22 23:50:11 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1031,6 +1031,7 @@ _copyIndexOptInfo(IndexOptInfo *from)
}
newnode->relam = from->relam;
newnode->amcostestimate = from->amcostestimate;
newnode->indproc = from->indproc;
Node_Copy(from, newnode, indpred);