postgres/src/backend/optimizer/util/relnode.c at 9e1552607a9dc6bc23e43d46770a9063ade4f3f0

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Tom Lane b29f68f611 Take OUTER JOIN semantics into account when estimating the size of join

relations.  It's not very bright, but at least it now knows that
A LEFT JOIN B must produce at least as many rows as are in A ...

2001-02-16 00:03:08 +00:00

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