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Simplify ParamListInfo data structure to support only numbered parameters,
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.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.137 2006/04/05 22:11:55 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.138 2006/04/22 01:25:59 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -210,7 +210,7 @@ coerce_type(ParseState *pstate, Node *node,
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return result;
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}
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if (inputTypeId == UNKNOWNOID && IsA(node, Param) &&
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((Param *) node)->paramkind == PARAM_NUM &&
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((Param *) node)->paramkind == PARAM_EXTERN &&
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pstate != NULL && pstate->p_variableparams)
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{
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/*
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