Steven Schlansker ste...@likeness.com writes:
It's been covered a few times in the past,
http://www.postgresql.org/message-id/banlktimft4ohqkb6y7m4wqrffpwnutp...@mail.gmail.com
http://postgresql.1045698.n5.nabble.com/partial-indexes-not-used-on-parameterized-queries-td2121027.html
but in a
Thanks for your reply.
On Mon, Feb 4, 2013 at 3:48 PM, Tom Lane t...@sss.pgh.pa.us wrote:
You're worrying about the wrong thing entirely. The right thing to be
worrying about is why are some of those row estimates off by four orders
of magnitude, and what you can do to fix that. The
Hallo,
I have a question regarding a selection.
I'd like to group and merge certain records having the same values in
some columns, but only if they are contiguous with regard to some sort
order.
So for a table
create table foo (
id int,
user_id int,
key varchar,
Edson Richter wrote:
Hi!
Assumptions: PostgreSQL 9.2.2, Win64, already run vacumm full freeze
analyze. No problems in the database. I know there are 1247 records to
be found.
Why does these queries return different results:
select count(*) from parcela
where id not in (select
zeljko, 04.02.2013 10:35:
Edson Richter wrote:
Hi!
Assumptions: PostgreSQL 9.2.2, Win64, already run vacumm full freeze
analyze. No problems in the database. I know there are 1247 records to
be found.
Why does these queries return different results:
select count(*) from parcela
where id not
2013/2/4 Morus Walter morus.walter...@googlemail.com:
I'd like to merge all consecutive records (ordered by sort, user_id)
having the same value in user_id and key and keep the first/last
value of sort of the merged records (and probably some more values
from the first or last merged record).
Hallo Виктор,
thanks a lot for your explanation :-)
You rock!
This example corresponds to the ORDER BY user_id, sort
while you claim you need to ORDER BY sort, user_id.
right, I confused the order.
I will explain this for the ordering that matches your sample.
You need to group your
I have had some issues with a database on EC2 and I have restored it to a
new instance. When vacuuming the database I am getting the following in the
logs;
WARNING: pgstat wait timeout
Is this normal/acceptable?
Thanks
On Friday, February 01, 2013 7:53 PM Adrian Klaver wrote:
On 02/01/2013 06:06 AM, Hari Babu wrote:
We tried the approach as suggested by you but still it is not working as
shown in the below log (I had enabled logLevel as 1)
keystore passowrd is qwerty
19:26:22.666 (1) PostgreSQL 9.2 JDBC4
Hi,
As of now, i found the following cases where we can expect these kind of
WARNING message in pg_log.
Case 1 { Huge I/O }
==
When the postgresql autovacuum process is not able to get the required I/O
to write the statistics to stats_temp_location then we can get this kind
of WARNING
Hello,
when trying to add a forgotten primary key pair
to a PostgreSQL 8.4.13 table I get the error:
# \d pref_rep
Table public.pref_rep
Column |Type | Modifiers
On 02/04/2013 06:17 AM, Alexander Farber wrote:
Hello,
when trying to add a forgotten primary key pair
to a PostgreSQL 8.4.13 table I get the error:
# \d pref_rep
Table public.pref_rep
Column |Type |
On Sat, Feb 2, 2013 at 11:36 AM, Carlo Stonebanks
stonec.regis...@sympatico.ca wrote:
Here is an advantage Plpgsql has:
http://www.postgresql.org/docs/9.1/static/plpgsql-expressions.html
I guess you can offset this by creating your own prepared statements in C.
Otherwise, I can’t think of how
Thank you -
On Mon, Feb 4, 2013 at 3:26 PM, Andrew Jaimes andrewjai...@hotmail.com wrote:
SELECT id, author, count(1)
FROM pref_rep
GROUP BY id, author
HAVING count(1) 1
From: alexander.far...@gmail.com
On 02/04/2013 04:46 AM, Hari Babu wrote:
On Friday, February 01, 2013 7:53 PM Adrian Klaver wrote:
On 02/01/2013 06:06 AM, Hari Babu wrote:
We tried the approach as suggested by you but still it is not working as shown
in the below log (I had enabled logLevel as 1)
keystore passowrd is
I am trying to write a query that grabs one particular day from a timestamp
column. The data are ordered in 15 minute chunks like this:
2010-07-07 12:45:00
2010-07-07 13:00:00
2010-07-07 13:15:00
2010-07-07 13:30:00
etc…
If I wanted all records from july 7th 2010, I would expect 4 x 24 = 96
Trying to delete the older of the duplicated pairs:
# SELECT id, author, count(1), max(stamp) as maxx
FROM pref_rep
GROUP BY id, author
HAVING count(1) 1 and stamp maxx;
ERROR: column maxx does not exist
LINE 4: HAVING count(1) 1 and stamp maxx;
^
On
I am trying to write a query that grabs one particular day from a timestamp
column. The data are ordered in 15 minute chunks like this:
2010-07-07 12:45:00
2010-07-07 13:00:00
2010-07-07 13:15:00
2010-07-07 13:30:00
etc…
If I wanted all records from july 7th 2010, I would expect 4 x 24 = 96
WHERE derived_tsoil_fifteen_min_stacked.time2::date = '2010-07-07'::date
On Monday, February 4, 2013, Kirk Wythers wrote:
I am trying to write a query that grabs one particular day from a
timestamp column. The data are ordered in 15 minute chunks like this:
2010-07-07 12:45:00
2010-07-07
On 02/04/2013 06:45 AM, Alexander Farber wrote:
Trying to delete the older of the duplicated pairs:
# SELECT id, author, count(1), max(stamp) as maxx
FROM pref_rep
GROUP BY id, author
HAVING count(1) 1 and stamp maxx;
ERROR: column maxx does not exist
LINE 4: HAVING count(1) 1 and stamp
Unfortunately that fails -
On Mon, Feb 4, 2013 at 3:55 PM, Adrian Klaver adrian.kla...@gmail.com wrote:
On 02/04/2013 06:45 AM, Alexander Farber wrote:
Trying to delete the older of the duplicated pairs:
How about:
SELECT id, author, count(1), max(stamp) as maxx
FROM pref_rep
GROUP
On 02/04/2013 06:45 AM, Alexander Farber wrote:
Trying to delete the older of the duplicated pairs:
# SELECT id, author, count(1), max(stamp) as maxx
FROM pref_rep
GROUP BY id, author
HAVING count(1) 1 and stamp maxx;
ERROR: column maxx does not exist
LINE 4: HAVING count(1) 1 and stamp
Thomas Kellerer wrote:
zeljko, 04.02.2013 10:35:
Edson Richter wrote:
Hi!
Assumptions: PostgreSQL 9.2.2, Win64, already run vacumm full freeze
analyze. No problems in the database. I know there are 1247 records to
be found.
Why does these queries return different results:
select
Em 04/02/2013 07:35, zeljko escreveu:
Edson Richter wrote:
Hi!
Assumptions: PostgreSQL 9.2.2, Win64, already run vacumm full freeze
analyze. No problems in the database. I know there are 1247 records to
be found.
Why does these queries return different results:
select count(*) from parcela
Alexander Farber alexander.far...@gmail.com wrote:
# alter table pref_rep add primary key(id, author);
NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index
pref_rep_pkey for table pref_rep
ERROR: could not create unique index pref_rep_pkey
DETAIL: Table contains duplicated
Andreas Kretschmer akretsch...@spamfence.net wrote:
Alexander Farber alexander.far...@gmail.com wrote:
# alter table pref_rep add primary key(id, author);
NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index
pref_rep_pkey for table pref_rep
ERROR: could not create unique
Thanks. That worked great! Now I am trying to aggregate these same fifteen
minute to hourly. I have tried using date_trunk:
date_trunc('hour', derived_tsoil_fifteen_min_stacked.time2),
but date_truck only seems to aggriage the timestamp. I thought I could use
Thanks. That worked great! Now I am trying to aggregate these same fifteen
minute to hourly. I have tried using date_trunk:
date_trunc('hour', derived_tsoil_fifteen_min_stacked.time2),
but date_truck only seems to aggriage the timestamp. I thought I could use
I am looking for suggestions on aggregation techniques using a timestamp
column. In my case I have tried:
date_trunc('hour', derived_tsoil_fifteen_min_stacked.time2),
but date_truck only seems to aggregate the timestamp. I thought I could use
AVG(derived_tsoil_fifteen_min_stacked.value)
in
Thank you -
On Mon, Feb 4, 2013 at 5:06 PM, Andreas Kretschmer
akretsch...@spamfence.net wrote:
# alter table pref_rep add primary key(id, author);
NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index
pref_rep_pkey for table pref_rep
ERROR: could not create unique index
It's currently (9.2) not possible to define DEFERRABLE NOT NULL constraints. Meaning the following is not valid:
CREATE TABLE my_table(
id varchar PRIMARY KEY,
stuff_id BIGINT NOT NULL DEFERRABLE INITIALLY DEFERRED
);
While it's possible to define a trigger to enforce this, like this:
Hello.
I'm modelling a system where I'd like to log inserts and deletes
to two or more tables (with foreign key references between them).
As a (contrived) example:
CREATE TABLE projects (
project_id SERIAL PRIMARY KEY,
project_name TEXT UNIQUE NOT NULL
);
CREATE TABLE
2013/2/4 org.postgre...@io7m.com:
Hello.
I'm modelling a system where I'd like to log inserts and deletes
to two or more tables (with foreign key references between them).
As a (contrived) example:
CREATE TABLE projects (
project_id SERIAL PRIMARY KEY,
project_name TEXT UNIQUE NOT
Alexander Farber alexander.far...@gmail.com wrote:
Thank you -
On Mon, Feb 4, 2013 at 5:06 PM, Andreas Kretschmer
akretsch...@spamfence.net wrote:
# alter table pref_rep add primary key(id, author);
NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index
pref_rep_pkey for
Is it possible to migrate database from Postgresql 8.2 to 9.2 using
pg_upgrade?
Thanks.
On 02/04/2013 12:06 PM, AI Rumman wrote:
Is it possible to migrate database from Postgresql 8.2 to 9.2 using
pg_upgrade?
Thanks.
Per http://www.postgresql.org/docs/9.2/static/pgupgrade.html
...pg_upgrade supports upgrades from 8.3.X and later to the current
major release of PostgreSQL...
Hi Brent,
Nice to hear from you. I hope your world is good.
On Feb 4, 2013, at 2:14 PM, Brent Wood brent.w...@niwa.co.nz wrote:
Hi Kirk,
We have a (near) real time data database for instrument observations from our
research vessels. All observations (summarised to one minute intervals -
Hi all,
I know I'm probably missing something obvious here, but I have been unable
to figure this out or find any docs on it.
I have a function that takes in a postal address and normalizes it through
text manipulation etc.:
*fn_normalize_address*(*in_line_one* character varying, *in_line_two
How would I aggregate a lot of inet addresses/subnets to unique super-
networks? Simply doing a 'GROUP BY network(address)' will not do any
aggregation, and thus includes lots of /32s that are part of larger
networks. While I could add 'WHERE masklen(address) 32 and family
(address) = 4' (or
On Mon, Feb 4, 2013 at 2:01 PM, org.postgre...@io7m.com wrote:
Hello.
I'm modelling a system where I'd like to log inserts and deletes
to two or more tables (with foreign key references between them).
As a (contrived) example:
CREATE TABLE projects (
project_id SERIAL PRIMARY KEY,
Hi,
My question: are there any real docs on how to ‘force’ registry values so that
all users get some preconfigured servers . . .
That or, how to do it via an .ini file, cos the example ini doesn’t really say
how to do what I’m looking to do.
I’m trying to use AD/GPO to configure predefined
On 2/4/2013 12:03 AM, David Wooffindin wrote:
My question: are there any real docs on how to ‘force’ registry values
so that all users get some preconfigured servers . . .
That or, how to do it via an .ini file, cos the example ini doesn’t
really say how to do what I’m looking to do.
I’m
2013/2/4 Kirk Wythers wythe...@umn.edu:
I am looking for suggestions on aggregation techniques using a timestamp
column. In my case I have tried:
date_trunc('hour', derived_tsoil_fifteen_min_stacked.time2),
but date_truck only seems to aggregate the timestamp. I thought I could use
On Feb 4, 2013, at 3:26 PM, Jason Dusek jason.du...@gmail.com wrote:
2013/2/4 Kirk Wythers wythe...@umn.edu:
I am looking for suggestions on aggregation techniques using a timestamp
column. In my case I have tried:
date_trunc('hour', derived_tsoil_fifteen_min_stacked.time2),
but
I would imagine he means, ‘Can PgAdmin be distributed in such a way that the
user does not have to setup DB connections themselves. But are preconfigured’.
If so, then this is a PgAdmin question, not a PostgreSQL question.
From: pgsql-general-ow...@postgresql.org
Thanks in advance for thinking about my problem.
As I suspect you know, CA Erwin doesn't support Postgres or greenplum.
But they do support ODBC for reverse engineering.
When I reverse, Erwin executes the standard ODBC metadata queries for the
system catalog.
The process works fine, but I'm
Hi Kirk,
We have a (near) real time data database for instrument observations from our
research vessels. All observations (summarised to one minute intervals - the
actual raw data is in netCDF, this database makes for easier access meets
most users needs) go into a single table, with other
Hi All,
We are having a thorny problem I'm hoping someone will be able to help with.
We have a pair of machines set up as an active / hot SB pair. The database they
contain is quite large - approx. 9TB. They were working fine on 9.1, and we
recently upgraded the active DB to 9.2.1.
After
I don't know about ErWin. If you look
for alternatives that would include a tool change, then continue
reading.
I do use DBWrench, is working fairly well.
Prs:
- Multiple diagrams for same database/schema (can reduce the
amount of tables you
Select time2::date, extract('hour' from time2), AVG(avg) from tablename
group by time2::date, extract('hour' from time2)
On Monday, February 4, 2013, Kirk Wythers wrote:
Hi Brent,
Nice to hear from you. I hope your world is good.
On Feb 4, 2013, at 2:14 PM, Brent Wood
On Mon, Feb 4, 2013 at 9:45 AM, Kirk Wythers kirk.wyth...@gmail.com wrote:
I am trying to write a query that grabs one particular day from a
timestamp column. The data are ordered in 15 minute chunks like this:
2010-07-07 12:45:00
2010-07-07 13:00:00
2010-07-07 13:15:00
2010-07-07 13:30:00
On Feb 4, 2013, at 7:03 PM, Misa Simic misa.si...@gmail.com wrote:
Select time2::date, extract('hour' from time2), AVG(avg) from tablename group
by time2::date, extract('hour' from time2)
Thanks Misa,
But this gives the same result as the way I was using date_trunc (not GROUPING
BY the
On Mon, Feb 4, 2013 at 08:33:02AM -0600, Merlin Moncure wrote:
On Sat, Feb 2, 2013 at 11:36 AM, Carlo Stonebanks
stonec.regis...@sympatico.ca wrote:
Here is an advantage Plpgsql has:
http://www.postgresql.org/docs/9.1/static/plpgsql-expressions.html
I guess you can offset this by
If a C function was a call to multiple (unprepared) SQL statements, could
PL/PGSQL's prepare-once plan caching have an advantage?
-Original Message-
From: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Bruce Momjian
Sent: February 5, 2013
2013/2/5 Bruce Momjian br...@momjian.us:
On Mon, Feb 4, 2013 at 08:33:02AM -0600, Merlin Moncure wrote:
On Sat, Feb 2, 2013 at 11:36 AM, Carlo Stonebanks
stonec.regis...@sympatico.ca wrote:
Here is an advantage Plpgsql has:
http://www.postgresql.org/docs/9.1/static/plpgsql-expressions.html
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