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are declared to return set, and consist of just a single SELECT. We can replace the FROM-item with a sub-SELECT and then optimize much as if we were dealing with a view. Patch from Richard Rowell, cleaned up by me. |
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.. | ||
clauses.c | ||
joininfo.c | ||
Makefile | ||
pathnode.c | ||
plancat.c | ||
predtest.c | ||
relnode.c | ||
restrictinfo.c | ||
tlist.c | ||
var.c |