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Add operator strategy and comparison-value datatype fields to ScanKey.

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Remove the 'strategy map' code, which was a large amount of mechanism
that no longer had any use except reverse-mapping from procedure OID to
strategy number.  Passing the strategy number to the index AM in the
first place is simpler and faster.
This is a preliminary step in planned support for cross-datatype index
operations.  I'm committing it now since the ScanKeyEntryInitialize()
API change touches quite a lot of files, and I want to commit those
changes before the tree drifts under me.
This commit is contained in:
Tom Lane
2003-11-09 21:30:38 +00:00
parent 723825afeb
commit c1d62bfd00
72 changed files with 950 additions and 2147 deletions
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13
src/backend/nodes/copyfuncs.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.265 2003/08/17 23:43:25 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.266 2003/11/09 21:30:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -262,6 +262,17 @@ _copyIndexScan(IndexScan *from)
COPY_OIDLIST_FIELD(indxid);
COPY_NODE_FIELD(indxqual);
COPY_NODE_FIELD(indxqualorig);
/* this can become COPY_NODE_FIELD when intlists are normal objects: */
{
List *newstrat = NIL;
List *tmp;
foreach(tmp, from->indxstrategy)
{
newstrat = lappend(newstrat, listCopy(lfirst(tmp)));
}
newnode->indxstrategy = newstrat;
}
COPY_SCALAR_FIELD(indxorderdir);
return newnode;