Re: [GENERAL] NODE

2015-01-07 Thread Craig Ringer
On 01/07/2015 09:08 PM, Craig Ringer wrote: > You can think of it like a simple abstract base class that everything > else extends. Ahem. Every other parse/plan tree node, that is. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Se

Re: [GENERAL] NODE

2015-01-07 Thread Craig Ringer
On 01/06/2015 03:27 AM, Ravi Kiran wrote: > * > * > could someone explain what exactly node mean in postgres. You can think of it like a simple abstract base class that everything else extends. Lots of PostgreSQL is pseudo-object-oriented, so you'll see this pattern around a fair bit. -- Cra

Re: [GENERAL] NODE

2015-01-05 Thread Adrian Klaver
On 01/05/2015 11:27 AM, Ravi Kiran wrote: hi, I am going through the hashjoin algorithm in postgres. I find a function ExecHashjoin , which is called each time a new tuple is required by the hash join *Node.* * * could someone explain what exactly node mean in postgres. I believe a good place