"bharat u" <bharatupc(at)gmail(dot)com> writes:
> Can anyone tell me how pg_analyze_and_rewrite works?
That's a rather broad question. Have you read the overview in the manual?
pg_analyze_and_rewrite covers what that material calls the
"transformation process" and "query rewrite" stages of processing.
If you've got specific questions about pieces of that code,
pgsql-hackers is probably a better place than -general for asking 'em.
regards, tom lane
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