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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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12
src/backend/nodes/outfuncs.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.218 2003/08/17 23:43:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.219 2003/11/09 21:30:36 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -336,6 +336,16 @@ _outIndexScan(StringInfo str, IndexScan *node)
WRITE_OIDLIST_FIELD(indxid);
WRITE_NODE_FIELD(indxqual);
WRITE_NODE_FIELD(indxqualorig);
/* this can become WRITE_NODE_FIELD when intlists are normal objects: */
{
List *tmp;
appendStringInfo(str, " :indxstrategy ");
foreach(tmp, node->indxstrategy)
{
_outIntList(str, lfirst(tmp));
}
}
WRITE_ENUM_FIELD(indxorderdir, ScanDirection);
}