On 05.12.2011 21:36, Tom Lane wrote:
Heikki Linnakangas<heikki.linnakan...@enterprisedb.com>  writes:
Or pass a flag to ExecInitExpr() to skip through the CacheExprs.

Not sure what you mean by that --- are you imagining that the ExprState
tree would have structure not matching the Expr tree?

Yes. Or it could just set a flag in the CacheExprState nodes to not do the caching.

--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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