-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Em 18-05-2013 11:40, Atri Sharma escreveu: > On 18-May-2013, at 20:01, Soroosh Sardari > <soroosh.sard...@gmail.com> wrote: > >> Hi >> >> I was tracing a simple SELECT query to find how pg works for >> fetching tuples. but I'm totally lost in the code. Could you >> help me to understand under the hood? I know about parsing and >> planning parts, my actual problem is executer. If you show me a >> road map to study, I would appreciate it. >> >> > > You can probably try: > > http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/executor/README;h=8afa1e3e4a7596475cbf19a76c88d48a04aeef02;hb=HEAD >
There > > is a cool flowchart too: http://www.postgresql.org/developer/backend/ []s - -- Dickson S. Guedes mail/xmpp: gue...@guedesoft.net - skype: guediz http://guedesoft.net - http://www.postgresql.org.br http://github.net/guedes - twitter: @guediz -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJRl5wHAAoJEBa5zL7BI5C7C+wH/2dO5t5G4ygLUE2jlHOgpbkZ wcXxED5h5TvQel2N2c1WmmMuxPeTJwjxoUOoO9v4sA+pf2YmOphrv77rQN5DIMW8 iKxZQpe+c7cblgQpZx0gTuswRrbPIhMSAF0zP2SS2GFxPKEWD4Oe3QbkNnkZTD0X xZfSRiSnTe3d7mO9ok41BUndTQdvIz6bV/1v7CMV/YKlM6N0uMMVYORJBGw9kKK4 lxuFek2vpR5Np7DeDIeHoFk8fKJbJFcqBHi5Hs8f3AGoF4u4MMxPMoYK6dZmj7Tr YeHkWP8UEx06OBSm+k3BCRb3A7lnsObtLnykU8r4VUK9X1fwpz1Atx4mGwQucus= =GPkw -----END PGP SIGNATURE----- -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers