Re: [HACKERS] Road map to study about fetching a set of tuples - novice!
Thanks, it's helpful. The flowchart is a very good point to start. Cheers, Soroosh On Sat, May 18, 2013 at 7:56 PM, Atri Sharma atri.j...@gmail.com wrote: Sent from my iPad On 18-May-2013, at 20:49, Dickson S. Guedes lis...@guedesoft.net wrote: -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/ Oh yes, I am in love with that flow chart.It is so easy and expressive! Regards, Atri
Re: [HACKERS] Road map to study about fetching a set of tuples - novice!
Sent from my iPad 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 Regards, Atri
Re: [HACKERS] Road map to study about fetching a set of tuples - novice!
-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
Re: [HACKERS] Road map to study about fetching a set of tuples - novice!
Sent from my iPad On 18-May-2013, at 20:49, Dickson S. Guedes lis...@guedesoft.net wrote: -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/ Oh yes, I am in love with that flow chart.It is so easy and expressive! Regards, Atri -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
