Hi there!
Patch itself posted to pgsql-patches.
This is a new version of patch i've posted.
This for PG version 7.3rc1.
Changed syntax, now it's more closer to Oracle's and allows operator other
than '='.
Removed Const/Var trick, now it's a new FakeVar node used, as a side effect
it's not need initdb now.
Added little regression test.
Added more comments on code.
A bit extended README.hier .
working on SQL99 version.
regards,
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.evgen
