Re: [GENERAL] pg_dump and quoted identifiers

2016-12-15 Thread Marc Mamin
t; in front of that > to see what gets printed: > > $ echo pg_dump -d postgres -t "\"Statuses\"" > pg_dump -d postgres -t "Statuses" Hello, Have you checked if the problem is limited to pg_dump ? Maybe you're facing a trivial mistake, like a space in the

Re: [GENERAL] is this a known bug in 9.6?

2016-12-13 Thread Marc Mamin
as (select 1::int x), j as (select 1::int x) select max(x) from (select x from i union all select x from j) b; --- ERROR: could not find plan for CTE "i" regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

[GENERAL] row => text => row

2016-11-11 Thread Marc Mamin
rows as text,but in their (default) csv representation: select to_csv((c.*)) from foo c; regards, Marc Mamin

Re: [GENERAL] revert function for to_json ?

2016-05-23 Thread Marc Mamin
>From: pgsql-general-ow...@postgresql.org >[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Marc Mamin >Sent: Montag, 23. Mai 2016 16:03 >To: pgsql-general@postgresql.org >Subject: [GENERAL] revert function for to_json ? > >Hello, > >I'm looking for

[GENERAL] revert function for to_json ?

2016-05-23 Thread Marc Mamin
Hello, I'm looking for $subject example: how to revert select to_json(E'a\n''b'::text) I can achieve it with something like this: select json_extract_path_text(('{"a":'||to_json(E'a\n''b'::text)||'}')::json,'a') does anybody knows a less ugly solution ? regards, Marc Mamin

Re: [GENERAL] Thoughts on "Love Your Database"

2016-05-12 Thread Marc Mamin
What counts are the data and how they are arranged within the DB. Therefore they should put more focus on them, rather then think in OOM. That book is a great idea. A collection of bad code example and the SQL equivalents, strengthend with runtimes figures, may help move some minds best regards

Re: [GENERAL] Do parallel queries work with only dblink not with fdw?

2016-05-04 Thread Marc Mamin
emented that solution... something like db_link_send_query('conn0', 'CREATE UNLOGGED TABLE my_result... db_link_send_query('conn1', 'INSERT INTO my_result statement based on partitioning field'); db_link_send_query('conn2', 'INSERT INTO my_res

Re: [GENERAL] 9.5 - Is there any way to disable automatic rollback?

2016-04-11 Thread Marc Mamin
Hello, if you are using pgjdbc, there is a discussion about adding an option to modify this behavior: https://github.com/pgjdbc/pgjdbc/issues/423 This would simplify the migration of java projects, e.g. from oracle to postgres. regards, Marc Mamin From: pgsql-general-ow

Re: [GENERAL] execute same query only one time?

2016-02-09 Thread Marc Mamin
cte as (select ..), tmp as ( INSERT INTO result2 select ... from cte), SELECT ... from cte; query_2: select * from result2; regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Unique index problem

2015-12-20 Thread Marc Mamin
d_lab_tests_siui, id_lab_tests_groups, valid_from, id_lab_sample_types) in the index definition, but I've never tried that and suspect the planner will also have trouble to include such an index in the plan. regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Fetching from psql procedures

2015-11-20 Thread Marc Mamin
can try CTE Common Table Expression. It isn't possible with plpgsql :( > Theoretically you can write C extension where SRF function can returns data > continually.But plpgsql function using local stack and returns data as block. > Regards > Pavel Thanks. A simpler solution will be

[GENERAL] Fetching from psql procedures

2015-11-19 Thread Marc Mamin
good tutotial for a task like this ? thanks and best regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] regexp_replace to remove sql comments

2015-10-28 Thread Marc Mamin
rrent_database()) >) > >SELECT regexp_replace(q,'/\*.*\*/','') as q /* strip off comments like >this */ <-- cannot get a regex to do this >FROM to_clean ORDER BY q Hi, Does this help ? select regexp_replace(' aaa /* x y z */ foo', '\/\

Re: [GENERAL] Duplicate rows during pg_dump

2015-10-26 Thread Marc Mamin
> -Original Message- > From: Jim Nasby [mailto:jim.na...@bluetreble.com] > Sent: Montag, 26. Oktober 2015 01:55 > To: Marc Mamin; Adrian Klaver; Chaz Yoon; pgsql-general@postgresql.org > Subject: Re: [GENERAL] Duplicate rows during pg_dump > > On 10/24/15 3:15

Re: [GENERAL] Duplicate rows during pg_dump

2015-10-24 Thread Marc Mamin
>>remote_db=> insert into users_copy_without_indexes select * from users; >>INSERT 0 523342 >> remote_db=> select count(1) from users_copy_without_indexes where id >> = 123; >> count >>--- >> 2 >>(1 row) >>

Re: [GENERAL] Best practices for aggregate table design

2015-10-07 Thread Marc Mamin
I would store your monthly data within a separate table. regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] clone_schema function

2015-09-17 Thread Marc Mamin
Von: Melvin Davidson [melvin6...@gmail.com] Gesendet: Donnerstag, 17. September 2015 17:11 An: Marc Mamin Cc: pgsql-general@postgresql.org Betreff: Re: [GENERAL] clone_schema function Thanks, >I'm not sure why you had trouble with the REPLACE(),

Re: [GENERAL] clone_schema function

2015-09-17 Thread Marc Mamin
t take care of the column statistic targets (i.e. ALTER TABLE t ALTER COLUMN c SET STATISTICS n;) regards, Marc Mamin From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Melvin Davidson Sent: Donnerstag, 17. September 2015 15:48 To: David

Re: [GENERAL] Any thoughts on a better approach to this query?

2015-09-05 Thread Marc Mamin
when type='A' then link end ))as ar_a, array_not_nulls(array_agg(case when type='B' then link end ))as ar_b, array_not_nulls(array_agg(case when type NOT IN ('A', 'B') then link end)) as ar_others from demo GROUP BY id ) SELECT id, a_ct, b_ct, ar_a, ar_b, ar_others, coalesce (ar_a[1], case when b_ct > 1 then ar_b[2] else ar_others[1] end ) as link_a, coalesce (ar_b[1], case when a_ct > 1 then ar_a[2] when a_ct = 0 then ar_others[2] else ar_others[1] end) as link_b, -- unused others case when a_ct + b_ct >=2 then ar_others else ar_others[3 - (a_ct + b_ct) : array_length(ar_others,1)] end || -- unused A & B case when has_a AND has_b then ar_a[2:a_ct] || ar_b[2:b_ct] when a_ct > 2 then ar_a[3:a_ct] when b_ct > 2 then ar_b[3:b_ct] end as unused FROM PREP order by id regards, Marc Mamin

[GENERAL] Drop down in connect time between 9.3.6 and 9.3.9 ?

2015-07-22 Thread Marc Mamin
$i -lt 1000 ]; do let i++; psql -c 'select 1' ; done; } >/dev/null real0m11.081s user0m0.140s sys 0m0.208s regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http

Re: [GENERAL] Creating table with data from a join

2015-07-15 Thread Marc Mamin
> Marc, I am using postgres 9.4. I didn't benchmark, but intuitively the modulo > operator will force traversing every record in table "a" 4 times, as it can't > use an index. Not necessarily. seq scans can be synchronized: "This allows sequential scans of large tables to synchronize with each

Re: [GENERAL] Index Only Scan vs Cache

2015-07-14 Thread Marc Mamin
ver got analyzed. Can this fool the query planner in a negative way ? regards, Marc Mamin >> The table blocks would fall out of cache if they're never touched. >> >>regards, tom lane >> >> > >Sweet! Thanks Tom. > > >--

Re: [GENERAL] Creating table with data from a join

2015-07-14 Thread Marc Mamin
M a JOIN b on a.id = b.id WHERE a.id%4 = [0,1,2,3} I usually avoid parallel INSERTS to avoid I/O contention and random distribution within the target tables. Are you monitoring the I/O activity in your tests ? Have you tried to use only 2 parallel processes? regards, Marc Mamin >(accor

Re: [GENERAL] Problem with ALTER TYPE, Indexes and cast

2015-07-08 Thread Marc Mamin
> -Original Message- > From: Tom Lane [mailto:t...@sss.pgh.pa.us] > Sent: Mittwoch, 8. Juli 2015 15:44 > To: Marc Mamin > Cc: pgsql-general@postgresql.org > Subject: Re: [GENERAL] Problem with ALTER TYPE, Indexes and cast > > Marc Mamin writes: > > Now

[GENERAL] Problem with ALTER TYPE, Indexes and cast

2015-07-08 Thread Marc Mamin
7;XY' as 'month2.foo'::regtype) Is there a way for it ? regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

[GENERAL] next postgres version on Amazon RDS ?

2015-07-06 Thread Marc Mamin
Hello, has anyone some insight on when we can expect a newest 9.4.x Version on RDS ? Or knows a better forum to ask for this? I should upgrade an application DB currently on 9.3 that might go on RDS but I'm a bit reluctant to go only on 9.4.1 ... regards, Marc Mamin

Re: [GENERAL] Slow index performance

2015-07-02 Thread Marc Mamin
e "extra" > "rec_isins_current_attachment" btree (attachment), tablespace > "extra" Hello, Are you sure that the column order of the PKs is the same in both tables? (attachment, isin) or (isin, attachment). When isin is at the s

Re: [GENERAL] Systemd vs logging collector

2015-07-01 Thread Marc Mamin
combinations of # stderr, csvlog, syslog, and eventlog, # depending on platform. csvlog # requires logging_collector to be on. regards, Marc Mamin > > -- > Sent via pg

Re: [GENERAL] how to extract the page "address" from the ctid

2015-07-01 Thread Marc Mamin
> -Original Message- > From: Michael Paquier [mailto:michael.paqu...@gmail.com] > Sent: Mittwoch, 1. Juli 2015 07:05 > To: Marc Mamin > Cc: Postgres General > Subject: Re: [GENERAL] how to extract the page "address" from the ctid > > On Tue, Jun 30, 201

[GENERAL] how to extract the page "address" from the ctid

2015-06-30 Thread Marc Mamin
tinct myColumn) as c FROM myTable GROUP BY substring(ctid::text, '^.([^,]+)') )foo GROUP BY c order by 1 desc; Is there a quicker way to extract the page reference from the ctid? regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresq

Re: [GENERAL] Counting the occurences of a substring within a very large text

2015-06-24 Thread Marc Mamin
>>On 24 June 2015 at 14:51, Marc Mamin wrote: >>note that the 345MB text only contains 635 lines. This might be the issue... >There's similar issue discussed here: >http://www.postgresql.org/message-id/6046.1353874...@sss.pgh.pa.us >Tom did seem to accept that the

Re: [GENERAL] Counting the occurences of a substring within a very large text

2015-06-24 Thread Marc Mamin
message, E'\n', > '')) > > FROM mytable WHERE id = -2146999703; > > > no, they both yeld the same error. > and this fails too, which is more annoying as it looks like a bug: SELECT replace(full_message, E'\n', '') FROM stadium_rprod.aserror

Re: [GENERAL] Counting the occurences of a substring within a very large text

2015-06-24 Thread Marc Mamin
> -Original Message- > From: Chris Mair [mailto:ch...@1006.org] > Sent: Mittwoch, 24. Juni 2015 13:26 > To: Marc Mamin; Postgres General > Subject: Re: [GENERAL] Counting the occurences of a substring within a > very large text > > > Hello, > >

Re: [GENERAL] Counting the occurences of a substring within a very large text

2015-06-24 Thread Marc Mamin
> -Original Message- > From: Albe Laurenz [mailto:laurenz.a...@wien.gv.at] > Sent: Mittwoch, 24. Juni 2015 13:44 > To: Marc Mamin; Postgres General > Subject: RE: Counting the occurences of a substring within a very large > text > > Marc Mamin wrote: > >

[GENERAL] Counting the occurences of a substring within a very large text

2015-06-24 Thread Marc Mamin
, 'g') from mytable where id =-2146999703 )foo; ERROR: invalid memory alloc request size 1447215584 regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] select count(*);

2015-06-11 Thread Marc Mamin
> -Original Message- > From: Adrian Klaver [mailto:adrian.kla...@aklaver.com] > Sent: Donnerstag, 11. Juni 2015 16:31 > To: Marc Mamin; 'Geoff Winkless'; Postgres General > Subject: Re: [GENERAL] select count(*); > > On 06/11/2015 07:17 AM, Marc Mami

Re: [GENERAL] select count(*);

2015-06-11 Thread Marc Mamin
>>That's the point. * has no meaning without FROM >But COUNT(*) > >does have meaning - it means "the number of rows". which rows? :-) > It's not counting the number of columns in the row, so postgres doesn't need > to know what columns exist in the row to return a row count. >Geoff -- Sen

Re: [GENERAL] select count(*);

2015-06-11 Thread Marc Mamin
> > select *; > > -- > > ERROR: SELECT * with no tables specified is not valid > > > > select count(*); > > > > 1 > > > > Is this a must? and why 1? > > Hi, > > regarding the "why 1" part: > > I think that if we accept that > > chris=> select 'foo'; > ?column? > -

[GENERAL] select count(*);

2015-06-11 Thread Marc Mamin
, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Row visibility issue with consecutive triggers, one being DEFERRED

2015-06-04 Thread Marc Mamin
> -Original Message- > From: Tom Lane [mailto:t...@sss.pgh.pa.us] > Sent: Donnerstag, 4. Juni 2015 15:56 > To: Marc Mamin > Cc: pgsql-general@postgresql.org > Subject: Re: [GENERAL] Row visibility issue with consecutive triggers, > one being DEFERRED > > Marc

[GENERAL] Re: Row visibility issue with consecutive triggers, one being DEFERRED

2015-06-04 Thread Marc Mamin
recall! this self containing case works well if I call the correct functions in the triggers :) Marc > -Original Message- > From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general- > ow...@postgresql.org] On Behalf Of Marc Mamin > Sent: Donnerstag, 4. Juni 201

Re: [GENERAL] pg_relation_size performance issue

2015-06-04 Thread Marc Mamin
table. Have you checked the statistics and vacuum state of the catalog tables (pg_*) Maybe some of them haven't been analyzed yet as this is a freshly created DB. (and with a lot of DLL statements we regularly have to call vacuum full on part of the catalog to avoid bloating there.) You&#

[GENERAL] Row visibility issue with consecutive triggers, one being DEFERRED

2015-06-04 Thread Marc Mamin
Hello, The test below is running fine but if you add the trigger push_foo_tr (uncomment) then the exception is raised. It seems that this additional trigger to be called at the first place changes the deferrable status of the second one. Is this an expected behaviour ? regards, Marc Mamin

Re: [GENERAL] Restarting DB after moving to another drive

2015-05-11 Thread Marc Mamin
Hi, have you checked that the links in $PGDATA\pg_tblspc on the new drive are valid ? They possibly still point to the old drive. I guess you have to correct them per hand before starting the moved DB. regards, Marc Mamin Von: pgsql-general-ow

Re: [GENERAL] :Posgres - performance problem

2015-03-26 Thread Marc Mamin
date master_items set feedback_to_de <> 'Yes' WHERE feedback_to_de IS DISTINCT FROM 'Yes' depending on the column nullable. regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Group by range in hour of day

2015-03-17 Thread Marc Mamin
5-03-16 11:05:00'; >insert into t select '2015-03-16 08:00:00','2015-03-16 11:45:00'; >insert into t select '2015-03-17 15:15:00','2015-03-18 11:45:00'; >insert into t select '2015-03-17 20:15:00','2015-03-18 11:45:00'; >in

Re: [GENERAL] Group by range in hour of day

2015-03-17 Thread Marc Mamin
7;,'2015-03-18 11:45:00'; insert into t select '2015-03-17 20:15:00','2015-03-18 11:45:00'; insert into t select '2015-03-17 21:15:00','2015-03-18 10:10:00'; insert into t select '2015-03-18 23:30:00','2015-03-19 01:30:00'; SELECT ser, SUM( case when e - ser < interval '1 hour' then e-ser --end interval when s >= ser then interval '1 hour' - (s - ser) --start interval else interval '1 hour' end ) as time_tot FROM (select e,s, generate_series(date_trunc('hour',s), date_trunc('hour',e), '1 hour') ser from t )foo group by ser order by 1 regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] range type expression syntax

2015-02-26 Thread Marc Mamin
> postgres=# select concat('[', now()::date, ',', now()::date, > ']')::daterange testrange; There are range specific functions for this: select daterange(now()::date, now()::date, '[]') regards, Marc Mamin __

Re: [GENERAL] Postgres architecture for multiple instances

2015-02-22 Thread Marc Mamin
being that users are less isolated (everybody can read the catalog). regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] how to convert "output deleted/inserted into" in My SQL to Postgres

2015-02-21 Thread Marc Mamin
ed >knowledge about Postgres, I don't think we have those in pg. Can someone >tell me how to convert it? Thanks. Hi, it seems that you are looking for UPDATE RETURNING: http://www.postgresql.org/docs/9.4/static/sql-update.html regards, Marc Mamin -- Sent via pgsql-general mailing list

Re: [GENERAL] Partioning with overlapping and non overlapping constraints

2015-02-09 Thread Marc Mamin
rying on the local time, the planner will consider all partitions, but an additional index or constraint on this column should be sufficient as long as your partition count remains small. regards, Marc Mamin

Re: [GENERAL] Using row_to_json with %ROWTYPE ?

2015-02-06 Thread Marc Mamin
>Von: pgsql-general-ow...@postgresql.org [pgsql-general-ow...@postgresql.org]" >im Auftrag von "David Johnston [david.g.johns...@gmail.com] >Gesendet: Freitag, 6. Februar 2015 00:38 >An: Tim Smith >Cc: Adrian Klaver; pgsql-general >Betreff: Re: [GENERAL] Using row_to_json with %ROWTYPE ? >On Thu,

Re: [GENERAL] Combining two queries

2014-12-19 Thread Marc Mamin
end)=1 as are_friend, count(case when c1=2 then true end) as common_friends FROM ( SELECT count(*) as c1 FROM friends WHERE user_id IN (USER1, USER2) GROUP BY case when user_id = USER2 then USER1 else USER1 end, friend_id HAVING COUNT (*) =2 OR COUNT(case when friend_id =USER1 then true end)=1 ) q1 regards, Marc Mamin

Re: [GENERAL] Combining two queries

2014-12-19 Thread Marc Mamin
HAVING COUNT (*) =2 OR COUNT(case when friend_id =USER1 then true end)=1 ) q1 regards, Marc Mamin

Re: [GENERAL] Removing duplicate records from a bulk upload (rationale behind selecting a method)

2014-12-12 Thread Marc Mamin
the end I'm not sure if multiple threads will help here. I'm using this approach in aggregations which are more cpu intensive than a simple distinct. I'm looking forward to see your tests results :) Marc Mamin > >Daniel > >-Original Message- >

Re: [GENERAL] Removing duplicate records from a bulk upload (rationale behind selecting a method)

2014-12-12 Thread Marc Mamin
ld use a shared full table scan on oldtable. HTH Marc Mamin > >Best regards, >Daniel > >-Original Message- >From: pgsql-general-ow...@postgresql.org >[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Tom Lane >Sent: December-08-14 21:52 >To: Scott Mar

Re: [GENERAL] faster way to calculate top "tags" for a "resource" based on a column

2014-10-07 Thread Marc Mamin
ou may check how up to date your statistics are and try to raise the statistic target on the column resource_2_tag.tag_id. Also try a CTE form for your query: WITH A as (SELECT DISTINCT id FROM resource WHERE resource_attribute1_id = 614 ) SELECT resource_2_tag.tag_id AS resource_2_tag_tag_id, count(resource_2_tag.tag_id) AS counted FROM resource_2_tag JOIN A ON A.id = resource_2_tag.resource_id ORDER BY counted DESC LIMIT 25; regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Way to identify the current session's temp tables within pg_class ?

2014-08-25 Thread Marc Mamin
> -Original Message- > From: Michael Paquier [mailto:michael.paqu...@gmail.com] > On Mon, Aug 25, 2014 at 7:48 PM, Marc Mamin > wrote: > > Hello, > > > > When different sessions create temp tables with the same name: > > How can I identify the oid o

[GENERAL] Way to identify the current session's temp tables within pg_class ?

2014-08-25 Thread Marc Mamin
Hello, When different sessions create temp tables with the same name: How can I identify the oid of the one created within the current session ? Thanks, Marc Mamin

Re: [GENERAL] understanding why two nearly identical queries take two different planner routes, one 5s and one 2hr

2014-08-06 Thread Marc Mamin
= '428842195.338828' And as it now looks like a number, maybe go a step further depending on which patterns these SpawnID can have. This given value can for example be stored as 2 int4 or one int8: ('428842195.338828'::numeric * 100)::int8 On the other hand this will only addre

Re: [GENERAL] How can I create null value from function call with no results?

2014-07-31 Thread Marc Mamin
kes sense in your context, but something like this could do the job: WITH SEL AS ( Your Query) SELECT * FROM SEL UNION ALL SELECT 'nothing found' WHERE NOT EXISTS ( select * from sel); regards, Marc Mamin

Re: [GENERAL] copy/dump database to text/csv files

2014-07-25 Thread Marc Mamin
OP EXECUTE 'select exists (select * from public.'||rec.tablename||')' into test; IF test THEN raise notice 'COPY public.% TO %.dump',rec.tablename,rec.tablename; END IF; END LOOP; END; $$ language plpgsql regards, Marc Mamin

Re: [GENERAL] Index usage with slow query

2014-07-25 Thread Marc Mamin
cost of detoasting seems to often be underestimated. For the case when one of your 3 first columns has a very low cardinality, you may consider adding some partial indexes. e.g.: create INDEX idx_the_geom_gist_general USING gist (the_geom) where class ='general'; create INDEX idx_

Re: [GENERAL] php password authentication failed for user ...

2014-07-16 Thread Marc Mamin
nect using the IP instead of "localhost" ? regards, Marc Mamin > > Thanks for helping. > > Regards, > basti > > Am 15.07.2014 16:46, schrieb Adrian Klaver: > > On 07/15/2014 07:17 AM, basti wrote: > >> Hello Adrian, > >> > >> Ye

FW: [GENERAL] operator is not unique: smallint[] @> smallint[] You might need to add explicit type casts (!)

2014-07-15 Thread Marc Mamin
> -Original Message- > From: Pujol Mathieu [mailto:mathieu.pu...@realfusio.com] > Sent: Dienstag, 15. Juli 2014 08:40 > To: Marc Mamin > Subject: Re: [GENERAL] operator is not unique: smallint[] @> > smallint[] You might need to add explicit type casts (!) >

[GENERAL] operator is not unique: smallint[] @> smallint[] You might need to add explicit type casts (!)

2014-07-14 Thread Marc Mamin
elem; rangesel; contjoinsel @>; 11;10; b; f; f; 3831; 3831; 16; 3892; 0; range_contains; rangesel; contjoinsel regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Could use some advice on search architecture

2014-04-19 Thread Marc Mamin
>On 04/19/2014 06:26 AM, Ron Pasch wrote: >> > - It should be possible to search for products and provide properties >> > that the product SHOULD have, not must have. >>> >>> I don't understand this. Say you have a sprocket in red and green. Do you >>> want to search for: >>> >>> select * from

Re: [GENERAL] Could use some advice on search architecture

2014-04-19 Thread Marc Mamin
Hi, Seems that this blog post is worth reading in your case http://hlinnaka.iki.fi/2014/03/28/gin-as-a-substitute-for-bitmap-indexes/ regards, Marc Mamin Von: pgsql-general-ow...@postgresql.org [pgsql-general-ow...@postgresql.org]" im Auftrag von &

[GENERAL] anyrecord/anyelement escaping question.

2013-12-18 Thread Marc Mamin
ion myescape(a anyelement, OUT escaped text) as $$ .. select case when typeof(a) = then when typeof(a) = then when typeof(a) = then when typeof(a) = then .. regards, Marc Mamin

[GENERAL] Re: pg_upgrade / Checking for presence of required libraries (SOLVED)

2013-11-08 Thread Marc Mamin
;$libdir/hello.so" > ERROR: could not access file "$libdir/hello.so": No such file or > directory > > many thanks, > > Marc Mamin > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To > make changes to your subscription: >

[GENERAL] pg_upgrade / Checking for presence of required libraries

2013-11-08 Thread Marc Mamin
cess file "$libdir/hello.so": No such file or directory many thanks, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Detecting change in event properties

2013-10-26 Thread Marc Mamin
>Marc Mamin-2 wrote >> I would misuse GUC variables for this. >> (using the functions current_setting and set_config) >> >> define a set get and switch fuction (I use operators for better >> readability) >> something like: >> >> select

Re: [GENERAL] Detecting change in event properties

2013-10-25 Thread Marc Mamin
et get and switch fuction (I use operators for better readability) something like: select 'a' ==> 'foo' 'a' select 'b' <==> 'foo' 'a' select <== 'foo' 'b' and in your query: SELECT case when test then col <==> 'foo' else <== 'foo' end regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] pg_upgrade 9.1.9 ->9.3.1

2013-10-25 Thread Marc Mamin
> From: Peter Eisentraut [mailto:pete...@gmx.net] > On 10/25/13, 7:20 AM, Marc Mamin wrote: > > Hello, > > > > I'm evaluating pg_upgrade and there seems to be something wrong with > my test: > > the data get copied within the old data directory instead o

[GENERAL] pg_upgrade 9.1.9 ->9.3.1

2013-10-25 Thread Marc Mamin
; => ll /data/postgresql-data-9/tblspc_data/cicpg_logs/ drwx-- 3 isdb9 isgrp9 4096 Oct 21 15:48 PG_9.1_201105231 drwx-- 3 isdb9 isgrp9 4096 Oct 25 12:26 PG_9.3_201306121 thanks, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscr

Re: [GENERAL] Error with "return query" ( "return next" working ) with custom type

2013-10-22 Thread Marc Mamin
> Hey dear lists, > Here is a self contained example showing strange behavior from a real life > example concerning the use of postgis_topology topogeometry type. > > > The problem is : > when trying to return setof topogeometry, > the "return query" gives an error of type where there is none, a

[GENERAL] day_trunc and day duration in a remote time zone

2013-10-17 Thread Marc Mamin
result */ ) AT TIME ZONE 'Europe/Nicosia') || ' 00:00 Europe/Nicosia' as timestamptz)) - 1382821200 /* = day_start*/ )/3600 as hour_duration => 25 hours, which is correct as the daylight saving time ends at this date regards, Marc Mamin

Re: [GENERAL] Why doesn't update syntax match insert syntax?

2013-10-10 Thread Marc Mamin
lin Hi, an alternate syntax which is nearer to the INSERT one: update foo set (a,b) = (bar.a, bar.b) FROM bar WHERE foo.id = bar.id; I guess this is just a question of taste... regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] PostgreSQL SQL Tricks: faster urldecode

2013-09-20 Thread Marc Mamin
> Von: Merlin Moncure [mmonc...@gmail.com] > Gesendet: Freitag, 20. September 2013 17:43 > > > On Fri, Sep 20, 2013 at 10:26 AM, Marc Mamin wrote: > > Hi, > > here is a function which is about 8 x faster than the one described in the > > PostgreSQL SQL Tri

[GENERAL] PostgreSQL SQL Tricks: faster urldecode

2013-09-20 Thread Marc Mamin
. urldecode_arr: Seq Scan on lt_referrer (actual time=1.966..17623.979 rows=65717 loops=1) urldecode: Seq Scan on lt_referrer (actual time=4.846..15.292 rows=65717 loops=1) regards, Marc Mamin CREATE OR REPLACE FUNCTION urldecode_arr(url text) RETURNS text AS $BODY$ DECLARE ret text; BEGIN

Re: [GENERAL] Call for design: PostgreSQL mugs

2013-09-09 Thread Marc Mamin
Hi, "this is not an elephant" (to fake Magritt) http://enculturation.gmu.edu/3_2/images/magritte1.jpg or an elephant breast-feeding its babies to illustrate replication. but better ask someone else for the painting ;-) regards, Marc Mamin > -Original Message- > Fro

Re: [GENERAL] Sum of columns

2013-09-09 Thread Marc Mamin
hi, in addition to the others comments, you can also remove " ELSE 0 " from your query. It will result in values that are discarded by SUM. regards, Marc Mamin From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-ow...@postgresql.org] On Behalf Of jane...@web.de Sent:

Re: [GENERAL] Hash Support Function

2013-09-08 Thread Marc Mamin
port function >would be sufficient for me. Hello, Have a look at pghashlib: https://github.com/markokr/pghashlib regards, Marc Mamin

[GENERAL] incomplete CTE declaration and "column reference x is ambiguous"

2013-07-01 Thread Marc Mamin
2 as a, 3 as b ) select * from t1 WHERE b =0 ERROR: column reference "b" is ambiguous. It would be nice, if extra undeclared columns would not be visible outside the CTE. regards, Marc Mamin

[GENERAL] UTC houroffset -> days_start AT TIME ZONE x

2013-06-17 Thread Marc Mamin
time zone. The function below works, but is slow. Any way to build an equivalent function with better performances ? Thanks, Marc Mamin CREATE FUNCTION houroffset_to_daystart (p_houroffset int, p_tz varchar) returns int AS $$ DECLARE daystart int; BEGIN EXECUTE 'select EXTRACT ('

Re: [GENERAL] query syntax to combine 2 set returning functions ?

2013-03-03 Thread Marc Mamin
pg_logs', t)).* FROM get_modeltablelist('efeeds') t ^ ^ Marc From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Marc Mamin Sent: Freitag, 1. März 2013 13:51 To: pgsql-general@postgresql.org Subject: [

[GENERAL] query syntax to combine 2 set returning functions ?

2013-03-01 Thread Marc Mamin
pends - (TR,_efm_sequences,_efm_sequences_tr) (TR,_emr_reportlist,_emr_reportlist_tr) (TR,_efm_models,_efm_models_del_tr) regards, Marc Mamin

Re: [GENERAL] Planner choice on NULLs (9.1.5) with 2 conditional indexes

2012-10-01 Thread Marc Mamin
I've rechecked it on Postgres 9.2 and the issue seems to be fixed by now :-) sorry for the spam. Marc > -Original Message- > From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general- > ow...@postgresql.org] On Behalf Of Marc Mamin > Sent: Montag, 1. Oktober 2012

[GENERAL] Planner choice on NULLs (9.1.5) with 2 conditional indexes

2012-10-01 Thread Marc Mamin
the clause "WHERE sid IS NOT NULL and ua IS NULL" It is quite evident that the second index is better as it allows to resolve the 2 conditions of the queries, but this seems to be an issue for the planner that prefers the first index beat regards, Marc Mamin create table ptes

[GENERAL] drop table if exists ;

2012-09-19 Thread Marc Mamin
ew this may be seen as a nice hint, but in my own opinion DROP ... IF EXISTS should not throw an error for objects that do not exist. A warning would be better here. This would allow such a code to be error proof: ... drop table if exists foo; drop view if exists foo; ... best regards, Marc Mamin

Re: [GENERAL] order of checking the unique constraints

2012-08-28 Thread Marc Mamin
Hello, I had a similar question some time ago, with an answer by Tom lane: http://archives.postgresql.org/pgsql-general/2012-03/msg00023.php best regards, Marc Mamin From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Sahagian

Re: [GENERAL] processing large amount of rows with plpgsql

2012-08-09 Thread Marc Mamin
oops, > and then call your function with the values 1..15 (when using 16 it should of course be 0..15 Marc Mamin > -Original Message- > From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general- > ow...@postgresql.org] On Behalf Of Marc Mamin > Sent: Donnerstag,

Re: [GENERAL] processing large amount of rows with plpgsql

2012-08-09 Thread Marc Mamin
WHERE id % 16 = slice or: WHERE hashtext(id::text) % 16 = slice ... and then call your function with the values 1..15 (when using 16 slices) Use a power of 2 for the number of slices. It may be faster to use many slices and this allows to do the job in parallel on a few threads.

Re: [GENERAL] Range-Types in 9.2

2012-08-03 Thread Marc Mamin
hello, agree about this great feature :) There is another point I've wondered about: Is there some logical reason why no function width(range) was added to the bundle ? not a big deal, but width(range) looks just nicer than upper(range)-lower(range) best regards, Marc Mamin -Ori

Re: [GENERAL] Smaller data types use same disk space

2012-07-26 Thread Marc Mamin
o b; alter table test rename _b to a; select * from test; \d+ test Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] WITH RECURSIVE question

2012-07-13 Thread Marc Mamin
great, many thanks for the excellent blog entry. Marc Mamin > -Original Message- > From: dep...@depesz.com [mailto:dep...@depesz.com] > Sent: Freitag, 13. Juli 2012 12:52 > To: Marc Mamin > Cc: pgsql-general@postgresql.org > Subject: Re: [GENERAL] WITH RECURSIVE qu

[GENERAL] WITH RECURSIVE question

2012-07-13 Thread Marc Mamin
FROM forest JOIN struc ON parent=struc.id ) SELECT * FROM struc )one_tree ; 1 1 \... 2 2 \...... 3 3 4 1 \... 5 2 \.. 6 3 best regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

[GENERAL] foreign keys with constant part

2012-07-11 Thread Marc Mamin
. Would an extension of the foreign keys declaration like following make sense, or does it too much break SQL standards ? best regards, Marc Mamin create temp table t ( a int, b int, constraint t_pk primary key (a, b) ); create unique index t_partial on t (a) where b=5; create temp table f

Re: [GENERAL] create a script which imports csv data

2012-06-28 Thread Marc Mamin
IAL NOT NULL , ... with serial as data type, a sequence will be built for you in the backgroud. 2nd: in COPY you can list the the columns of the csv content: COPY Anlagenregister_Aktuell_2011 (firma, anlagenschluessel, ...) FROM As fid is not listed here, it will be filled by its default value (sequence). best regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

[GENERAL] function lookup using a "real" function call

2012-06-28 Thread Marc Mamin
Hello, Is it possible to find out the (list of) function oids from a function call? e.g. select MYFUNC('foo', 1234) => someting like select * from get_function_oids($$MYFUNC('foo', 1234)$$) best regards, Marc Mamin -- Sent via pgsql-general mailing list (pgsql

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