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Groups > comp.databases.postgresql > #424

Re: Best way to do recursive query for tree like records ?

From Jasen Betts <jasen@xnet.co.nz>
Newsgroups comp.databases.postgresql
Subject Re: Best way to do recursive query for tree like records ?
Date 2012-11-23 09:50 +0000
Organization Dis (not Dat) Organisation
Message-ID <k8ngtu$3oa$1@reversiblemaps.ath.cx> (permalink)
References <8d44d8a0-8c8b-4a40-bb70-15f6a430d8ee@googlegroups.com>

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On 2012-11-23, Ziliang Chen <zlchen.ken@gmail.com> wrote:
> Hi Guys,
>
> I have billions of tree like records in PostgreSQL 9.2 database on
> RHEL 5 X64, what is the best way to do the query in PostgreSQL, like :
> "find out all records (grand records ...) under one (several) specific
> parent node(s) ? or find out all parent nodes (grandparent nodes...)
> for one (several) specific child node(s) ?"      

Not clear. parentheses mean what? 

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Thread

Best way to do recursive query for tree like records ? Ziliang Chen <zlchen.ken@gmail.com> - 2012-11-22 20:32 -0800
  Re: Best way to do recursive query for tree like records ? Jasen Betts <jasen@xnet.co.nz> - 2012-11-23 09:50 +0000
  Re: Best way to do recursive query for tree like records ? "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-11-23 11:05 +0100
    Re: Best way to do recursive query for tree like records ? Ziliang Chen <zlchen.ken@gmail.com> - 2012-11-23 05:47 -0800

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