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Since createplan.c no longer cares whether index operators are lossy, it has

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no particular need to do get_op_opfamily_properties() while building an
indexscan plan.  Postpone that lookup until executor start.  This simplifies
createplan.c a lot more than it complicates nodeIndexscan.c, and makes things
more uniform since we already had to do it that way for RowCompare
expressions.  Should be a bit faster too, at least for plans that aren't
re-used many times, since we avoid palloc'ing and perhaps copying the
intermediate list data structure.
This commit is contained in:
Tom Lane
2008-04-13 20:51:21 +00:00
parent 24558da14a
commit 226837e57e
13 changed files with 96 additions and 219 deletions
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6
src/backend/nodes/outfuncs.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.324 2008/03/21 22:41:48 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.325 2008/04/13 20:51:20 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -372,8 +372,6 @@ _outIndexScan(StringInfo str, IndexScan *node)
WRITE_OID_FIELD(indexid);
WRITE_NODE_FIELD(indexqual);
WRITE_NODE_FIELD(indexqualorig);
WRITE_NODE_FIELD(indexstrategy);
WRITE_NODE_FIELD(indexsubtype);
WRITE_ENUM_FIELD(indexorderdir, ScanDirection);
}
@@ -387,8 +385,6 @@ _outBitmapIndexScan(StringInfo str, BitmapIndexScan *node)
WRITE_OID_FIELD(indexid);
WRITE_NODE_FIELD(indexqual);
WRITE_NODE_FIELD(indexqualorig);
WRITE_NODE_FIELD(indexstrategy);
WRITE_NODE_FIELD(indexsubtype);
}
static void