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nodeRecursiveunion.c
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Tom Lane authored
implementation uses an in-memory hash table, so it will poop out for very large recursive results ... but the performance characteristics of a sort-based implementation would be pretty unpleasant too.
Tom Lane authoredimplementation uses an in-memory hash table, so it will poop out for very large recursive results ... but the performance characteristics of a sort-based implementation would be pretty unpleasant too.
