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Simplify ParamListInfo data structure to support only numbered parameters,

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not named ones, and replace linear searches of the list with array indexing.
The named-parameter support has been dead code for many years anyway,
and recent profiling suggests that the searching was costing a noticeable
amount of performance for complex queries.
This commit is contained in:
Tom Lane
2006-04-22 01:26:01 +00:00
parent 0606860a20
commit 2206b498d8
20 changed files with 214 additions and 335 deletions
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5
src/backend/nodes/outfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.272 2006/03/23 00:19:29 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.273 2006/04/22 01:25:59 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -624,9 +624,8 @@ _outParam(StringInfo str, Param *node)
{
WRITE_NODE_TYPE("PARAM");
WRITE_INT_FIELD(paramkind);
WRITE_ENUM_FIELD(paramkind, ParamKind);
WRITE_INT_FIELD(paramid);
WRITE_STRING_FIELD(paramname);
WRITE_OID_FIELD(paramtype);
}