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Tom Lane authored
temporary context that can be reset when advancing to the next sublist. This is faster and more thorough at recovering space than the previous method; moreover it will do the right thing if something in the sublist tries to register an expression context callback.
Tom Lane authoredtemporary context that can be reset when advancing to the next sublist. This is faster and more thorough at recovering space than the previous method; moreover it will do the right thing if something in the sublist tries to register an expression context callback.