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Since createplan.c no longer cares whether index operators are lossy, it has
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.
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@@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/executor/nodeIndexscan.h,v 1.31 2008/01/01 19:45:57 momjian Exp $
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* $PostgreSQL: pgsql/src/include/executor/nodeIndexscan.h,v 1.32 2008/04/13 20:51:21 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -26,8 +26,7 @@ extern void ExecIndexReScan(IndexScanState *node, ExprContext *exprCtxt);
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/* routines exported to share code with nodeBitmapIndexscan.c */
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extern void ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
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List *quals, List *strategies, List *subtypes,
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ScanKey *scanKeys, int *numScanKeys,
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List *quals, ScanKey *scanKeys, int *numScanKeys,
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IndexRuntimeKeyInfo **runtimeKeys, int *numRuntimeKeys,
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IndexArrayKeyInfo **arrayKeys, int *numArrayKeys);
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extern void ExecIndexEvalRuntimeKeys(ExprContext *econtext,
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