1 - why two databases? Couldn't you have just created two separate SCHEMAS?
2 - if you insist on two separate databases:
http://www.postgresql.org/docs/9.2/static/dblink.html
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On
Behalf Of Kaleeswaran Velu
Sent: Tues
o idea.
The error is because you are selecting from a set returning function in
the target list rather than the from clause. It should be more like:
SELECT * FROM crosstab(text, text) AS ( col1_name col1_type [, colN_name
> colN_type]* )
HTH,
Joe
--
Joe Conway
credativ LLC: http://www.creda
Should match to the data type of the filtered value, so CHAR,VARCHAR,All DATE
TYPES should be quoted. INTEGER, BIGINT, SMALLINT should not
-Original Message-
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On
Behalf Of Carlos Mennens
Sent: Thursday, Jan
Check out DB Solo ...
http://www.dbsolo.com/
Does both DDL compare as well as data compare.
From: pgsql-sql-ow...@postgresql.org [pgsql-sql-ow...@postgresql.org] On Behalf
Of manuel antonio ochoa [manuel8aalf...@gmail.com]
Sent: Wednesday, February 23, 2011 6:
Hello,
I have a simple table-based queue system, and I'd looking for some advice on
improving my dequeue function. it boils down to:
SELECT id
FROM queue
WHERE
FOR UPDATE NOWAIT;
which works well, in that no item gets dequeued more that once. The issue,
however is that when a contention occurs,
You may want to try dblink.
http://www.postgresql.org/docs/current/static/dblink.html
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On
Behalf Of Shaun McCloud
Sent: Friday, December 03, 2010 10:51 AM
To: pgsql-sql@postgresql.org
Subject: [SQL] Union Question
Hell
010-09-03
2 | 2010-09-04
2 | 2010-09-05
2 | 2010-09-06
2 | 2010-09-07
2 | 2010-09-08
(10 rows)
HTH,
Joe
--
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
signature.asc
Description: OpenPGP digital signature
rec.table_name;
EXECUTE sql INTO startval;
IF startval IS NOT NULL THEN
sql := 'ALTER SEQUENCE ' || seqname || ' RESTART WITH ' ||
startval;
EXECUTE sql;
RAISE NOTICE '%', sql;
This is discussed in this Wiki:
http://wiki.postgresql.org/wiki/Grouping_Sets
-Original Message-
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On
Behalf Of Hiltibidal, Rob
Sent: Wednesday, June 02, 2010 12:06 PM
To: Oliveiros; Wes James; pgsql-sql@postgr
ownerid = OLD.ownerid;
RETURN NEW;
END IF;
RETURN NULL; -- result is ignored since this is an AFTER trigger
END;
$$;
Thanks !!
From: Justin Graf [mailto:jus...@magwerks.com]
Sent: Thursday, May 06, 2010 3:59 PM
To: Plugge, Joe R.; pgsql-sql@postgresql.org
Subject
Nevermind all, I figured it out
Thanks Dmitriy ...
From: Dmitriy Igrishin [mailto:dmit...@gmail.com]
Sent: Thursday, May 06, 2010 3:25 PM
To: Plugge, Joe R.
Subject: Re: [SQL] Column Specific Update Trigger Routine
Hey Plugge,
You dont need to pass OLD.* or NEW.* to the trigger function
I am trying to create a update trigger on a table that basically will only fire
when a specific column is updated. I am using version 8.4.3.
My plan of attack was to always fire on any row update, and pass in the OLD and
NEW column that I want to check.
CREATE TRIGGER check_lockout
AFTER U
Johnf,
I would think that the _p, _test, _r etc are local variables within the
procedure/function and this is the way that the value (from the select) gets
assigned to that local variable.
-Original Message-
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.or
Mark,
Change your query to this:
SELECT id, count(*) FROM mytable GROUP BY id HAVING count(*) > 2;
-Original Message-
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgresql.org] On
Behalf Of Mark Fenbers
Sent: Thursday, March 18, 2010 10:07 AM
To: pgsql-sql@postgresql
You may want to try Bucardo ... By performance, are you referring to latency?
If so, bandwidth between sites typically is the factor with latency in any
replication solution.
http://bucardo.org/
-Original Message-
From: pgsql-sql-ow...@postgresql.org [mailto:pgsql-sql-ow...@postgres
7;1 minute';
newstop := newstop + INTERVAL '1 minute';
END LOOP;
END;
$$ LANGUAGE 'plpgsql' VOLATILE;
From: epai...@googlemail.com [mailto:epai...@googlemail.com] On Behalf Of Brian
Modra
Sent: Friday, October 30, 2009 2:46 PM
To: Plugge, Joe R.
Cc: pgsql-sql@
il.com] On Behalf Of Brian
Modra
Sent: Friday, October 30, 2009 2:29 PM
To: Plugge, Joe R.
Cc: pgsql-sql@postgresql.org
Subject: Re: [SQL] Function Syntax Help
2009/10/30 Plugge, Joe R. mailto:jrplu...@west.com>>
I am trying to create a function that will grind through a cdr table and
p
ount);
mystart := mystart + INTERVAL '1 minute';
mystop := mystop + INTERVAL '1 minute';
END LOOP;
END;
$$ LANGUAGE 'plpgsql' STABLE;
[cid:image002.jpg@01CA596B.59B9EC10]Joe R. Plugge
Database Administrator, West Interactive Corporation
11650
ce transaction 1 was applied to
both invoices A and B, you need to group the invoices so that you can
compare total invoiced against total paid.
Joe
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a
--
Abc
123
"quoted"
(3 rows)
Those operators give me "C"-style collation in the database that is
using "en_US" collation, but what I would really prefer is the reverse.
BTW, where are those operators documented? Neither Google nor Yahoo nor
postgresql.org s
27;s even trickier than this simple example, because on Debian which is
using the en_US locale, the double quotes are disregarded for ordering
purposes, e.g.,
Medical
"Meet"
Message
Joe
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ter since
it's shared with others at our hosting provider. Is there some way to
override the cluster setting, or plans to allow for database-specific
collation orders?
Joe
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loop, you
can check sqlca.sqlcode for 100 (NOT FOUND) or a SQLSTATE of 02000.
Joe
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Use an underscore (_) instead of a minus (-), i.e., $bcp_fix$.
Joe
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t support
prepared statements.
I assume you didn't check the PEP 249
(http://www.python.org/dev/peps/pep-0249/). The execute() and
executemany() Cursor object methods are precisely to prepare and execute
database operations.
Joe
--
Sent via pgsql-sql mailing list (pgsql-sq
xample using the pyformat style:
http://www.devx.com/opensource/Article/29071/0/page/3.
Joe
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nd above. I don't see why my query would fail in
subsequent releases.
Joe
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col1 = 3;
will result in:
col1 | col2 | col3
--+--+---
1 | 789 | third record
2 | 456 | second record
3 | 789 | third record
So, it is a join ... of a table with a virtual copy of itself.
Joe
--
Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
To
hat it's application specific. The HTML/Perl script ought to
convert to Western numerals.
Joe
---(end of broadcast)---
TIP 2: Don't 'kill -9' the postmaster
did happen,
code points 1777 and nearby are not digits; they're something or other
in Arabic, apparently.
Precisely. 1777 through 1780 decimal equate to code points U+06F1
through U+06F4, which correspond to the Arabic numerals 1 through 4.
Joe
---(end of broadcast)---
TIP 6: explain analyze is your friend
ocal/share/postgresql/timezone.
Joe
---(end of broadcast)---
TIP 7: You can help support the PostgreSQL project by donating at
http://www.postgresql.org/about/donate
nd I'm sure there are HMAC functions available that
could be used in PL/Perl and/or PL/Python.
Joe
---(end of broadcast)---
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
t you seem to be having a hard time convincing those of us who've
taken even a mild interest in TML that it's really needed or is a better
solution than what exists today.
Joe
---(end of broadcast)---
TIP 1: if posting/reading through Usenet
Dmitry,
On Thu, 2007-04-26 at 11:33 +0300, Dmitry Turin wrote:
> Joe, i speak not about you, but about statistics.
Do you actually have statistics of how many people in the general
population have learned SQL? And furthermore, how many of those people
didn't already know or didn&#
agree and converge on those choices.
>
> 1. Not users, but programmers.
> 2. Needs are produced also, as goods and capital goods.
> Karl Marks
>For example, look at yourself.
We are on diametrically opposed sides of that argument, but it's
off-to
all about. The
POSTGRES UCB project had a language called PostQUEL, which may have been
technically superior to SQL, but market forces (unfortunately not all
"free") pushed Postgres95 and then PostgreSQL to adopt the latter in
preference to PostQUEL. Maybe one day we'll ha
n a
real web application. Show us what TML can do for the users, bboard and
classified_ads tables
(http://philip.greenspun.com/sql/data-modeling.html), and how it can
answer the simple and complex queries in the next two chapters (or as I
said, pick a real-life example of your own) and then maybe w
yone on
this list) will be out of a job and PHP/Perl/etc. will be relegated to
the dustbin of programming languages. [Sorry, couldn't resist :-) ]
Joe
* see http://en.wikipedia.org/wiki/Geico
---(end of broadcast)---
TIP 3: Have you checked
n as to how this will be accomplished or ensured that it is correct.
Second is how does TML handle relational manipulations such as
restriction, projection or aggregation. It appears TML is primarily for
joins.
Lastly, Dmitry, I think you'll be better off discussing this in
comp.databases.theory.
expire, and that test isn't free. Therefore, you do it the same way
> any other row gets expired.
Just curious: is there a way to defeat MVCC? i.e., if you can lock the
database exclusively, there won't be any readers or writers?
Joe
---(end of broadcas
licit cast, and finally it has to convert back
to text for the to_number function. The result of to_number is numeric
and you're trying to cast it to bit, which is what the ERROR was telling
you can't do.
Joe
---(end of broadcast)---
TIP 7:
using the bit
string operators, as someone pointed out a couple of days ago. In case
you haven't looked at them, please see:
http://www.postgresql.org/docs/8.2/static/functions-bitstring.html
Joe
---(end of broadcast)---
TIP 7: You can help support the PostgreSQL project by donating at
http://www.postgresql.org/about/donate
rewrite or cast the expression.
As suggested by the error, you should use a cast, e.g.,
insert into test_a values 9::bit(3);
This will result in binary '001' being inserted because you need 4 bits
to represent decimal 9.
Joe
---(end of broadcast)
tion condition "no_data_found"
> CONTEXT: compile of PL/pgSQL function "audio_format_func" near line
> 15
The constant is no_data. See
http://www.postgresql.org/docs/8.2/static/errcodes-appendix.html
Joe
---(end of broadcast)--
= tb2.id
Try
select tb1.* from tabel1 as tb1, table2 as tb2
where tb2.id = 2
and tb1.fk_tb2ID = tb2.id;
Joe
---(end of broadcast)---
TIP 1: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to [EMAIL
erpriseDB and Pervasive may have some of
what you're looking for since they have to measure themselves against
the competition.
And remember to take any numbers with a large grain of salt, YMMV, etc.
Joe
---(end of broadcast)---
TIP 1: if p
gt; rules used by psql's \d commands (see Patterns), so multiple tables can
> also be selected by writing wildcard characters in the pattern."
But note that this is a new feature in 8.2. In 8.1 and earlier,
multiple -t switches will only get you the last one specified.
Joe
.,(N$)) as t(x))
?
It would be interesting to see how that compares performance-wise.
Joe
---(end of broadcast)---
TIP 4: Have you searched our list archives?
http://archives.postgresql.org
IntId FROM MyDataTable
ORDER BY id;
The id_seq is the sequence on your ID column, assuming it has one, or
you can replace the (SELECT ... FROM id_seq) by 1000.
Joe
---(end of broadcast)---
TIP 4: Have you searched our list archives?
http://archives.postgresql.org
show.show_name,
> story.title, person.firtname, person.lastname, etc.
>
> What is the most elegant way to build a single query to match search
> words with multiple columns?
You may want to take a look at contrib/tsearch2.
Joe
---(end of broadcast)---
hat on Windows you need to use double backslashes, i.e., 'c:\
\autodrs_appraisal_new.txt', although the regular slash may also work,
i.e., 'c:/autodrs_appraisal_new.txt'.
Joe
---(end of broadcast)---
TIP 5: don't forget to increase your free space map settings
ecution" may not be
that obvious to the "naked eye" but it would be to a boolean logic
analyzer.
As to whether these query instances represent few or are typical is
arguable, and will depend on the type of application, level of knowledge
among users, and what k
fore cannot
transform one expression into another? What about "x = 10 AND x < 5"?
Can't it reduce that to FALSE?
Joe
---(end of broadcast)---
TIP 1: if posting/reading through Usenet, please send an appropriate
subscri
,
> 41504,
> 41505,
> 41506,
> 41507,
> 41508,
> 41509,
> 41510,
> 41511,
> 41512,
> 41513,
> 41514,
> 41515,
> 41516,
> 41517,
> 41518,
> 41519,
> 41520,
> 41521,
> 41522,
> 41523,
> 41524,
> 41525,
> 41526,
> 41527,
> 41528,
R
Did you look at the setting of redirect_stderr, and the various logging
settings just above it?
Joe
---(end of broadcast)---
TIP 7: You can help support the PostgreSQL project by donating at
http://www.postgresql.org/about/donate
gt; 510/30/2006
>
> Now I need a query that will subtract atime of row 1 from row 2, row2
> from row3 and so on...
>
> Can anyone please help?
How about something like this
select x.id, x.atime, x.atime - y.atime as diff
from yourtable x, yourtable y
where x.id + 1 = y.id;
nd remember to take any numbers with a large grain of salt, YMMV, etc.
Joe
---(end of broadcast)---
TIP 7: You can help support the PostgreSQL project by donating at
http://www.postgresql.org/about/donate
HOUR:MINUTE:SECOND
>
> the question is how I drop the millisecond??
Take a look at date_trunc() under Date/Time Functions and Operators.
Joe
---(end of broadcast)---
TIP 7: You can help support the PostgreSQL project by donating at
r with the -F option?
Sorry for having gone off-topic. I was just hoping something like \t
could be passed, too.
Try:
psql -A -t -U $DBUSER -d $DB -c "$QUERY" -F $'\t'
see:
man bash
HTH,
Joe
---(end of broadcast)---
TIP 2: Don't 'kill -9' the postmaster
uisition.
I think you want to cast the field, not the constant, e.g.,
testdb=> select * from t2 where date(tm) = '2006-9-6';
tm
---
2006-09-06 00:00:01-04
2006-09-06 23:59:59.99-04
(2 rows)
Joe
ntation under the GRANT privileges section that would help
> immensely. I always have to hunt this down when I need it.
You mean something like \du at the psql prompt?
Joe
---(end of broadcast)---
TIP 4: Have you searched our list archives?
http://archives.postgresql.org
ier names, you have to use double quotes wherever you refer to
the identifier. Without the double quotes, the SQL implementor can
either use UPPERCASE (as I believe Oracle and DB2 do) or lowercase (as
PG does) when it displays those identifiers.
Joe
---(end of broadcas
ed if
> they reference just the one single column. Ick.
I didn't realize before that you can also drop all columns, leaving a
table without *any* columns. Is that a SQL92 "feature"?
Joe
---(end of broadcast)---
TIP 4: Have
. Expression Evaluation Rules of the manual:
The order of evaluation of subexpressions is not defined. In particular,
the inputs of an operator or function are not necessarily evaluated
left-to-right or in any other fixed order.
There's more examples there too.
Joe
--
or;
You haven't declared numRegistros.
Joe
---(end of broadcast)---
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
Aaron Bono wrote:
Are there any web based management tools for PostgreSQL (like Mysql PHP
Admin except for PostgreSQL)? I thought I saw a post sometime back
about one but don't remember the name.
Yes, that's phpPgAdmin (http://phppgadmin.com).
Joe
two locations:
that's a matter of safety. Slony does it automatically, as long as
the daemon is running. No need to control it.
But with file-based log shipping (see
http://linuxfinances.info/info/logshipping.html) one could write a Java
app to control when the updates are applied.
2;
t
-
2006-06-07 22:24:00
2006-06-09 22:21:00
2006-05-31 23:21:00
2006-06-04 22:47:00
2006-06-03 06:05:00
(5 rows)
test=> select avg(t - '2006-5-31 0:0'::timestamp) from x2;
avg
-
5 days 09:47:36
(1 row)
Joe
-
days 22:47:41.749756";"*2420"
"3 days 06:05:59.456947";"*2420"
which should average to just over nine days -
Uh ... how do you arrive at that conclusion? I haven't done the math,
but by eyeball an average of four-something days doesn't look out of
good idea too because schema changes would be
somewhat insulated by the layered views.
Best regards,
Joe
---(end of broadcast)---
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
mention that because in essence the query is used
to materialize a view, i.e., it's part of an INSERT / SELECT into a
table which is then joined back to the other tables to construct a web
page as well as an RSS feed.
Joe
---(end of broadcast)---
or 2). Another
redundancy is the "date_trunc('day', updated) != created" which is there
to avoid selecting "changed" records when they're actually new.
However, although creating these views may simplify the subqueries it
doesn't seem there is a way to
t; tables (with a textual representation of the columns). An
interesting side effect was discovering data inconsistencies in the
MySQL database since as part of the conversion I implemented foreign key
constraints under PostgreSQL (which were missing in the former).
Joe
---
end
AS A1 from t1 group by g;
g |a1
---+---
1 | 0.923076923076923
0 | 0
(2 rows)
HTH,
Joe
---(end of broadcast)---
TIP 1: if posting/reading through Usenet, please send an appropriate
subscribe-no
d),
PRIMARY KEY (band_id, album_id)
)
This of course precludes the same band being listed twice in a given
album. If you do need that info, then you're really asking for "tracks".
Joe
---(end of broadcast)---
TIP 9: In versions belo
ditional column that coded the
type of relationship, but couldn't figure out how to create the summary
since the coded column has to be used to add the count to either the
"subs" or "items" columns (or subcolumns by type).
Thanks for any suggestions and comments.
Joe
---(end of broadcast)---
TIP 6: explain analyze is your friend
A 1-D array of no elements is
'[1:0]={}', just as Joe shows ... or at least it would be except
for an overenthusiastic error check:
regression=# select '[1:0]={}' :: int[];
ERROR: upper bound cannot be less than lower bound
I think this should be a legal boundary case. In ge
Bruce Momjian wrote:
Joe Conway wrote:
Any thoughts on how this should be handled for an empty 1D array?
No one responed to this email, so I will try. Is this the one
dimmentional array you were talking about?
test=> select array_dims('{}'::integer[]);
ould be handled for an empty 1D array?
The point Markus is complaining about seems like it should
be easily fixable.
Well, "easily" is a relative term. My Postgres hacking neurons have
gotten kind of rusty lately -- but then maybe that was your underlying
point ;-)
Joe
In
NULL;
?column?
--
t
(1 row)
Joe
---(end of broadcast)---
TIP 5: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
E tbl
SET f1 = encrypt(decrypt(f1, 'oldkey', 'aes'), 'newkey', 'aes');
Joe
---(end of broadcast)---
TIP 3: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to [EMAIL
alled the dblink functions into your database? See
README.dblink.
Joe
---(end of broadcast)---
TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
ate_series(0, 19) as t(f1);
?column?
2004-12-01
2004-12-02
2004-12-03
2004-12-04
2004-12-05
[...]
2004-12-20
(20 rows)
HTH,
Joe
---(end of broadcast)---
TIP 2: you can get off all lists at once with the unregister command
;plpgsql';
regression=# select * from testarray(2,3);
testarray
---
{1}
{1,1}
{1,1,1}
{2}
{2,2}
{2,2,2}
(6 rows)
HTH,
Joe
---(end of broadcast)---
TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
.
Interesting idea -- thanks!
Joe
---(end of broadcast)---
TIP 7: don't forget to increase your free space map settings
version
-
PostgreSQL 8.0.0beta1 on x86_64-unknown-linux-gnu, compiled by GCC gcc
(GCC) 3.3.3 20040412 (Red Hat Linux 3.3.3-7)
(1 row)
Look for a fix soon, at a cvs repository near you
Joe
#x27;select case_id, ''cat'' as cat, timekeeper_id
from authorized_timekeepers order by 1',4)
as t(case_id int, tk1 text, tk2 text, tk3 text, tk4 text);
case_id | tk1 | tk2 | tk3 | tk4
-+-+-+-+-
132113 | 021 | 115 | 106 |
14 | 106 | 021 | 115 | 108
213447 | 047 |
pplication layer procedural code is likely to be the
easiest and fastest way to go. crosstab just wraps the procedural code
in an SRF for you.
Joe
---(end of broadcast)---
TIP 6: Have you searched our list archives?
http://archives.postgresql.org
Josh Berkus wrote:
[2] Wrong datatype for second argument in call to in_array
SQL: SELECT sf_event_decendants(66645,111)
Are you sure this message isn't coming from some PHP middleware, e.g.
peardb or something. See:
http://us2.php.net/manual/en/function.in-array.php
-to header.
Also true.
Joe
---(end of broadcast)---
TIP 5: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faqs/FAQ.html
Version is 7.4.1
There is no in_array() function in Postgres that I'm aware of -- you
sure that isn't array_in()? The rest of that error message doesn't seem
to be there in 7.4 either. Can we see the function?
Joe
---(end of broadcast)---
roughly behave like individual databases do in MSSQL. See:
http://www.postgresql.org/docs/7.4/static/ddl-schemas.html
If you really need cross-database queries, see contrib/dblink (which
would also work across servers), but it isn't as flexible as using schemas.
HTH
e2
+---+--+---+---
1 | one |1 | A | A
2 | two |2 | Z | Z
3 | three |1 | A | A
(3 rows)
Joe
---(end of broadcast)---
TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
_sql)
That is the hashed version that will do what you're looking for.
HTH,
Joe
---(end of broadcast)---
TIP 8: explain analyze is your friend
x27;,');
string_to_array
-
{1,2,3}
(1 row)
Second line:
if ($r=~/^-([0-9]?)([A-z_]+)/)
{
my $locid = $1;
my $table = $2;
Not sure about this one. Hopefully someone else can chime in. Maybe a
little less efficient, but it seems like it would be easy enough to
parse when true.
HTH,
Joe
there
are some non-trivial technical difficulties to be solved. Unfortunately
that won't change in the upcoming 7.5 either :( -- perhaps for 7.6.
Joe
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there
are some non-trivial technical difficulties to be solved. Unfortunately
that won't change in the upcoming 7.5 either :( -- perhaps for 7.6.
Joe
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supported, attempting to
construct an array with a NULL element results in NULL, not an empty array.
Joe
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/static/arrays.html
http://www.postgresql.org/docs/7.4/static/functions-array.html
http://www.postgresql.org/docs/7.4/static/functions-comparisons.html
http://www.postgresql.org/docs/7.4/static/sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS
HTH,
Joe
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date_trunc('month', current_date + '1 month'::interval);
date_trunc
-
2004-03-01 00:00:00
(1 row)
Joe
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