Benjamin Arai wrote: > I would prefer not to drop the index because the database is several > hundred gigs. I would prefer to incrementally add to the index. I know of now way to do that in a batch, unless you go with partitioned tables. --------------------------------------------------------------------------- > > Benjamin > > Bruce Momjian wrote: > > Benjamin Arai wrote: > > > >> So, is there a way to defer the index updating until a later period > >> of time. More specifically, I would like to do several COPIES to a > >> running database, then afterward force a update on the index via a > >> vacuum or something similar. > >> > > > > Sure, drop the index, do the COPY, and then recreate the index. That is > > done often. > > > > --------------------------------------------------------------------------- > > > > > > > >> Benjamin > >> > >> On Mar 29, 2007, at 1:03 AM, A. Kretschmer wrote: > >> > >> > >>> am Thu, dem 29.03.2007, um 0:13:09 -0700 mailte Benjamin Arai > >>> folgendes: > >>> > >>>> Hi, > >>>> > >>>> If I have a PostgreSQL table with records and logical indexes already > >>>> created, if I use COPY to load additional data, does the COPY update > >>>> the indexes during, after, or not at all? > >>>> > >>> after, i think. > >>> > >>> test=# create table foo (id int primary key, name text); > >>> NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index > >>> "foo_pkey" for table "foo" > >>> CREATE TABLE > >>> test=*# copy foo from stdin; > >>> Enter data to be copied followed by a newline. > >>> End with a backslash and a period on a line by itself. > >>> > >>>>> 1 a > >>>>> 2 b > >>>>> 2 c > >>>>> \. > >>>>> > >>> ERROR: duplicate key violates unique constraint "foo_pkey" > >>> CONTEXT: COPY foo, line 3: "2 c" > >>> test=*# > >>> > >>> > >>> I can type the wrong key and the error occurs later with the finaly \. > >>> > >>> > >>> Andreas > >>> -- > >>> Andreas Kretschmer > >>> Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) > >>> GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net > >>> > >>> ---------------------------(end of > >>> broadcast)--------------------------- > >>> TIP 1: if posting/reading through Usenet, please send an appropriate > >>> subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that > >>> your > >>> message can get through to the mailing list cleanly > >>> > >>> > >> ---------------------------(end of broadcast)--------------------------- > >> TIP 2: Don't 'kill -9' the postmaster > >> > > > > -- Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
