Re: [SQL] update column based on postgis query on anther table

2013-07-16 Thread Igor Neyman
volatile; Still there is an issue. What if your point falls within multiple polygons (multiple records in test1_poly satisfy your criteria)? In this case, select from test1_poly should return multiple records. This will break trigger function code. Regards, Igor Neyman -- Sent via pgsql-sql

Re: [SQL] delete where not in another table

2013-07-09 Thread Igor Neyman
.user_id=T1.user_id);   Thanks,   Lance Campbell Software Architect Web Services at Public Affairs 217-333-0382   -- Try: DELETE FROM t1 USING t2 WHERE t1.user_id != t2.user_id; Test it before running on production db. Regards, Igor Neyman   -- Sent via pgsql-sql mailing

Re: [SQL] array_agg() with join question

2013-05-14 Thread Igor Neyman
whatever order you want inside aggregate function: array_agg(outval order by column1) Check the docs: http://www.postgresql.org/docs/9.2/static/sql-expressions.html#SYNTAX-AGGREGATES Igor Neyman

Re: [SQL] Correct implementation of 1:n relationship with n0?

2013-04-30 Thread Igor Neyman
new List is created and there is no Items to assign to this new List, yet. In this case, FK on Items table referencing List table makes sure that every Item references existing (valid) List. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes

Re: [SQL] Using Ltree For Hierarchical Structures

2013-02-27 Thread Igor Neyman
Extension. It also has other useful functions, such as crosstab. Regards, Igor Neyman

Re: [SQL] Using Ltree For Hierarchical Structures

2013-02-26 Thread Igor Neyman
are perfect for hierarchical structures, and much cleaner than 2-table design using ltree, that you show in the blog. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] Using Ltree For Hierarchical Structures

2013-02-26 Thread Igor Neyman
From: Don Parris [mailto:parri...@gmail.com] Sent: Tuesday, February 26, 2013 1:23 PM To: Misa Simic Cc: Igor Neyman; pgsql-sql@postgresql.org Subject: Re: [SQL] Using Ltree For Hierarchical Structures Hi Igor, As Misa points out, my original design used 2 tables - category line-items

Re: [SQL] How to compare two tables in PostgreSQL

2012-11-13 Thread Igor Neyman
; Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] using ordinal_position

2012-06-11 Thread Igor Neyman
to use ordinal column positions in a query? I am familiar with a few (in addition to Postgress), and none of them does that, not in select list., though everybody allow ordinal position from select list in order by and group by. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql

Re: [SQL] using ordinal_position

2012-06-11 Thread Igor Neyman
-Original Message- From: John Fabiani [mailto:jo...@jfcomputer.com] Sent: Monday, June 11, 2012 11:11 AM To: Igor Neyman Cc: pgsql-sql@postgresql.org Subject: Re: using ordinal_position On 06/11/2012 06:53 AM, Igor Neyman wrote: -Original Message- From: John

Re: [SQL] map row in one table with random row in another table

2012-03-07 Thread Igor Neyman
segment from segments) as Y Order by id, random(); Depending on the size of your tables, performance could become an issue. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] SQL View to PostgreSQL View

2012-02-28 Thread Igor Neyman
reading on target RDBMS (in this case - PostgreSQL). Otherwise, you will stumble on every step. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] Concurrent Reindex on Primary Key for large table

2012-02-10 Thread Igor Neyman
.nabble.com/Concurrent-Reindex-on-Primary- Key-for-large-table-tp5467243p5470216.html Sent from the PostgreSQL - sql mailing list archive at Nabble.com. Did you try to make autovacuum more aggressive like lowering autovacuum_vacuum_threshold from 2? Regards, Igor Neyman -- Sent via pgsql-sql

Re: [SQL] which is better: using OR clauses or UNION?

2011-08-17 Thread Igor Neyman
the queries before and after a few other big queries to help clear the cache). adam Adam, Did you verify that your cache is cleared? Like using pg_buffercache contrib. module? Besides, there is also OS cache... Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org

Re: [SQL] which is better: using OR clauses or UNION?

2011-08-16 Thread Igor Neyman
or should run faster than union, at least because it does Bitmap Heap Scan on dba_data_base only once, while union statement does this heap scan 4 times (once per unionized select). HTH, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription

Re: [SQL] to_char() accepting invalid dates?

2011-07-19 Thread Igor Neyman
('20110231', 'mmdd') from dual * ERROR at line 1: ORA-01839: date not valid for month specified SQL Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] After insert trigger and select

2011-02-17 Thread Igor Neyman
statements in trigger executed before select from outside if select is called somewhere between executing of the trigger? With MVCC writers don't block readers, and readers don't block writers. Read PG docs on MVCC. Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org

Re: [SQL] Function compile error

2011-02-16 Thread Igor Neyman
rolname=$1)) and inx.indrelid in (select oid from pg_class where relname=$2 and relowner in (select oid from pg_authid where rolname=$1)); if v_count = 0 then execute immediate 'create unique index $3 on $2 (acn_id)'; end if; END; $body$LANGUAGE PLPGSQL; Regards, Igor Neyman -- Sent

Re: [SQL] sqlplus reporting equivalent in postgres?

2010-12-10 Thread Igor Neyman
rely upon are daily/hourly reports that are run and formatted in sqlplus (break on report, compute sum, etc.). Is there an equivalent available in postgres? Thanks. Tony psql - not as advanced, doesn't have all the features SQL*Plus has. Igor Neyman

Re: [SQL] Use CREATE USER in plpgsql function

2010-09-15 Thread Igor Neyman
Commands Regards, Igor Neyman -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql

Re: [SQL] Use CREATE USER in plpgsql function - Found word(s) list error in the Text body

2010-09-15 Thread Igor Neyman
-Original Message- From: Asko Oja [mailto:asc...@gmail.com] Sent: Wednesday, September 15, 2010 2:29 PM To: Igor Neyman Cc: Tatarnikov Alexander; pgsql-sql@postgresql.org Subject: Re: [SQL] Use CREATE USER in plpgsql function - Found word(s) list error in the Text body

Re: [SQL] Use CREATE USER in plpgsql function - Found word(s) list error in the Text body

2010-09-15 Thread Igor Neyman
From: Asko Oja [mailto:asc...@gmail.com] Sent: Wednesday, September 15, 2010 2:29 PM To: Igor Neyman Cc: Tatarnikov Alexander; pgsql-sql@postgresql.org Subject: Re: [SQL] Use CREATE USER in plpgsql function - Found word

Re: [SQL] row not deleted but updated (trigger?)

2009-02-27 Thread Igor Neyman
delete trigger should return old. In your code you return new for both: update and delete Igor -Original Message- From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On Behalf Of Ivan Sergio Borgonovo Sent: Friday, February 27, 2009 6:56 AM To:

Re: [SQL] prepared query plan did not update

2008-09-17 Thread Igor Neyman
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Emi Lu Sent: Wednesday, September 17, 2008 2:55 PM To: pgsql-sql@postgresql.org Subject: [SQL] prepared query plan did not update Good morning, I tried to use prepared query plan to update columns, but

Re: [SQL] Aggregates in WHERE clause?

2008-09-11 Thread Igor Neyman
select employee,count(distinct tasks), greatest(max(last_job_date),max(last_position_date)) from job group by employee having greatest(max(last_job_date),max(last_position_date)) 2008-08-28 + integer '1'; From: [EMAIL PROTECTED]

Re: [SQL] column names with - and (

2008-07-29 Thread Igor Neyman
Maria, Try (double quotes: select x1 as IL-a, x2 as IL-a(p30) from abc should help. Igor From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of maria s Sent: Tuesday, July 29, 2008 12:07 PM To: Osvaldo Rosario Kussama;

Re: [SQL] A table with two names or table alias

2008-07-25 Thread Igor Neyman
There are no synonyms in Postgres (like in Oracle). To implement what you want, you need to use views and rules. From Postgres docs: Currently, views are read only: the system will not allow an insert, update, or delete on a view. You can get the effect of an updatable view by creating rules that