hat much IO?
Take a look at this tool:
https://github.com/grayhemp/pgcookbook/blob/master/statement_statistics_collecting_and_reporting.md
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that.
[1] http://skytools.projects.pgfoundry.org/skytools-3.0/
[2] http://www.slony.info/
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if there is already a facility
for it).
Project code is here if anyone is interested, any help would be great. I
have very little idea what I'm doing.
Thanks,
Connor
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text;
ALTER TABLE
skonoplev@[local]:5432 ~=#
copy t(i) from '/tmp/t.dump';
COPY 5
skonoplev@[local]:5432 ~=#
select * from t;
i | s
---+---
1 |
2 |
3 |
4 |
5 |
(5 rows)
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.
regards, tom lane
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+1
On Tue, Oct 7, 2014 at 10:16 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Sergey Konoplev gray...@gmail.com writes:
BTW, where can I find a list of type1-type2 pairs that doesn't
require full table lock for conversion?
There aren't any. Sometimes you can skip a table rewrite, but that
doesn't
from pg_cast, pg_type as t1, pg_type as t2
where
t1.oid = castsource and t2.oid = casttarget and
castmethod = 'b' order by 1, 2;
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gray
in database
adapters
- Made it to process TOAST tables and indexes providing bloat
information and rebuilding instructions
- Set an additional protection against the incorrect result of
cleaning error
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On Mon, Jul 21, 2014 at 11:32 AM, Sergey Konoplev gray...@gmail.com wrote:
On Mon, Jul 21, 2014 at 10:16 AM, David G Johnston
david.g.johns...@gmail.com wrote:
So, If I separate the commands everything will will work as expected,
correct?
I would assume so.
If you wait to send the DROP
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of those commands will die if they
exceed the timeout specified.
Thank you. I'll try it.
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No hope here?
On Tue, Jul 15, 2014 at 9:49 PM, Sergey Konoplev gray...@gmail.com wrote:
Hi,
PostgreSQL 9.2.7, Linux 2.6.32
Several days ago I found one of my servers out of connections,
pg_stat_activity showed that everything was waiting for the DROP/ALTER
INDEX transaction (see the record
dblink('', 'SELECT pg_sleep(3)') AS t (t text))
\$\$;
SELECT test_plpy();
EOF
sleep 1
psql -XAte EOF
\timing
BEGIN;
SET LOCAL statement_timeout TO 1000;
DROP INDEX test_idx;
END;
EOF
Any ideas why could it happen and what should I do to prevent this in future?
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FYI
On Wed, Jul 9, 2014 at 4:58 PM, Sergey Konoplev gray...@gmail.com wrote:
Are there any publicly available synonym/thesaurus dictionaries for FTS?
So, I've found several worth attention open projects providing
synonyms and thesaurus dictionaries.
http://archive.services.openoffice.org/pub
Hi,
Are there any publicly available synonym/thesaurus dictionaries for FTS?
Thank you.
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to set scale factor and this high
threshold instance wide. You can try per table settings instead if you
want.
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autovacuum_vacuum_cost_delay = 5ms
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can make base backups from standbys [3].
[1]
http://www.postgresql.org/docs/9.3/static/warm-standby.html#CASCADING-REPLICATION
[2] http://www.postgresql.org/docs/9.3/static/app-pgreceivexlog.html
[3] http://www.postgresql.org/docs/9.3/static/app-pgbasebackup.html
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?
AFAIK, the problem appears when hot_standby is set on, so you need to
turn it off. Also, take a look at the link below:
http://www.databasesoup.com/2013/12/why-you-need-to-apply-todays-update.html
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On Apr 19, 2014 1:53 PM, Torsten Förtsch torsten.foert...@gmx.net wrote:
Hi,
an index can be INVALID (pg_index.indisvalid=false).
I want to temporarily disable an index so that it won't be used to
access data but will still be updated.
Can I simply set pg_index.indisvalid=false and later
/current/static/functions-admin.html#FUNCTIONS-RECOVERY-CONTROL
[3]
http://www.postgresql.org/docs/current/static/warm-standby.html#SYNCHRONOUS-REPLICATION
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. It is out of file descriptors. Assuming you
are on Linux, the ways to fix it (to increase the limit) are described
by the link [1]. Chose one that suits you better.
[1]
http://www.cyberciti.biz/faq/linux-increase-the-maximum-number-of-open-files/
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in transaction backends
on your slaves?
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To make
difference:
lc_ctype cluster values do not match: old C, new en_US.UTF-8
Failure, exiting
How do I remedy this?
Drop your newly created 9.4 cluster dir and re-init it with C locale like this:
initdb --locale=C -D ...
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http
,
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On Thu, Mar 20, 2014 at 5:27 AM, Granthana Biswas granth...@zedo.com wrote:
Has anyone ever faced the issue of dead rows not getting removed during
vacuum even if there are no open transactions/connections?
What does the pg_prepared_xacts view show?
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, please, show the
plans.
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To make changes to your
))
echo -ne \r$total_updated
done
) 21
*/
DROP INDEX foo_migration_tmp;
ANALYZE foo;
ALTER TABLE foo ALTER bar SET NOT NULL;
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gray
/index.html.
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, but if
there are 2 or more signatures then print an error specifying all the
forms of the function, eg.:
ERROR: Can not drop function 'foo' because it has more then one
signature: foo(integer), foo(text).
I am sure It would simplify life significantly.
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On Tue, Feb 4, 2014 at 8:35 AM, Alvaro Herrera alvhe...@2ndquadrant.com wrote:
Sergey Konoplev escribió:
On Mon, Feb 3, 2014 at 10:09 AM, Tom Lane t...@sss.pgh.pa.us wrote:
People periodically ask for extensions flavored more or less like this,
but I'm suspicious of building any such thing
On Tue, Feb 4, 2014 at 8:35 AM, Alvaro Herrera alvhe...@2ndquadrant.com wrote:
Sergey Konoplev escribió:
On Mon, Feb 3, 2014 at 10:09 AM, Tom Lane t...@sss.pgh.pa.us wrote:
People periodically ask for extensions flavored more or less like this,
but I'm suspicious of building any such thing
~ $ psql
psql (9.2.4)
Type help for help.
postgres=# show timezone;
TimeZone
--
GMT
(1 row)
Do you have any thoughts of where else this GMT could be set from?
Thank you in advance.
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On Tue, Feb 4, 2014 at 11:29 AM, Adrian Klaver adrian.kla...@gmail.com wrote:
On 02/04/2014 11:23 AM, Sergey Konoplev wrote:
Gentoo Linux, PostgreSQL 9.2.4.
I'm trying to find out why postgres uses a specific time zone that I
don't expect to be used, and without any success so far
On Tue, Feb 4, 2014 at 12:41 PM, Adrian Klaver adrian.kla...@gmail.com wrote:
On 02/04/2014 12:09 PM, Sergey Konoplev wrote:
So the postgresql.conf is the one created by initdb for this particular
installation?
If that is the case it would seem that initdb could not determine what
rid of hard-coded connection parameters (thanks to Hubert
depesz Lubaczewski)
- Allowed processing of the postgres and template1 databases
- Resolved the several simultaneously running instances collisions
issue (thanks to Gonzalo Gil)
Thank you in advance.
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='192.168.1.12'
rm tmp/filtered.log
if [ ! -z $SUB ]; then
cat /var/log/postgresql/postgresql-$DT.log | \
perl -pe 's/(^\d{4}-\d{2}-\d{2} )/###$1/; s/\n/@@@/; s/###/\n/' | \
grep -E $SUB | perl -pe 's/@@@/\n/g' tmp/filtered.log
fi
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cluster all
your tables a similar way by several tables in parallel.
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/defrag
, the names might be slightly different on CentOS, like
redhat_transparent_hugepage or something like this, I don't remember
exactly.
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as in the previous question. Eg OFFSET 150 LIMIT 50.
I am assuming an index with values like idx4 could never exist, it is an
impossible result. Is that a correct assumption?
Yes, this is correct one.
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On Sun, Jan 5, 2014 at 2:19 PM, Gavin Flower
gavinflo...@archidevsys.co.nz wrote:
On 06/01/14 11:08, Sergey Konoplev wrote:
[...]
An index might be considered as useless when there were no idx scans for
the significantly long period. However it might be non-trivial to define
this period. Eg
conflicted with the query on the standby,
perhaps with a tuple cleaned up after a HOT update. Replication will
stall until the query is done.
IIRC, the applying process is paused but the receiving one is going on
in this case, isn't it?
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with compression, a watchdog and lock management. Very
useful for cross data center streaming.
[1]
https://github.com/grayhemp/pgcookbook/blob/master/ssh_tunnel_with_compression_setup.md
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On Mon, Dec 30, 2013 at 8:56 PM, Joe Van Dyk j...@tanga.com wrote:
On Mon, Dec 30, 2013 at 10:27 AM, Sergey Konoplev gray...@gmail.com wrote:
On Mon, Dec 30, 2013 at 12:02 AM, Joe Van Dyk j...@tanga.com wrote:
On Sun, Dec 29, 2013 at 10:52 PM, Sergey Konoplev gray...@gmail.com
wrote
log_checkpoints on if it is off.
And also how many WAL your system generates and for what period.
ls -lt /path/to/pg_xlog/ | wc -l
ls -lt /path/to/pg_xlog/ | head
ls -lt /path/to/pg_xlog/ | tail
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On Sun, Dec 29, 2013 at 9:56 PM, Joe Van Dyk j...@tanga.com wrote:
On Wed, Dec 18, 2013 at 3:39 PM, Sergey Konoplev gray...@gmail.com wrote:
On Wed, Dec 18, 2013 at 11:26 AM, Joe Van Dyk j...@tanga.com wrote:
I'm running Postgresql 9.3. I have a streaming replication server.
Someone
/static/release-9-3-2.html
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To make changes to your
/ not in
/usr/local/pgsql/data/drupal_dbspace/ as the pg_upgrade query tries to do.
Can you show what ls -l /home/jkregloh/pg_data/data/pg_tblspc/ prints, please?
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On Thu, Dec 19, 2013 at 12:49 PM, Joseph Kregloh
jkreg...@sproutloud.com wrote:
On Thu, Dec 19, 2013 at 3:46 PM, Sergey Konoplev gray...@gmail.com wrote:
On Thu, Dec 19, 2013 at 12:27 PM, Joseph Kregloh
jkreg...@sproutloud.com wrote:
So what I get from this is that it does create the correct
On Thu, Dec 19, 2013 at 1:18 PM, Bruce Momjian br...@momjian.us wrote:
On Thu, Dec 19, 2013 at 01:08:18PM -0800, Sergey Konoplev wrote:
On Thu, Dec 19, 2013 at 12:49 PM, Joseph Kregloh
jkreg...@sproutloud.com wrote:
On Thu, Dec 19, 2013 at 3:46 PM, Sergey Konoplev gray...@gmail.com wrote
://www.cureffi.org/2013/03/19/automatically-creating-pivot-table-column-names-in-postgresql/
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at 9:30 am and replication data started catching up.
What do you mean by COPY on the standby halted replication?
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!
The idea is to de-normalize the hstore_column to an assisting table
with 2 columns: original_record_id, hstore_column_value. And to create
a btree index on hstore_column_value that will effectively be used in
prefix search.
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http
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To make changes to your
/database_server_configuration.md
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rec[1] := (1, 'a')::a;
rec[2] := (2, 'b')::a;
rec[1] := rec[1] #= (hstore('id', 3::text) || hstore('n', null));
raise info '% %', rec[1].id, rec[1].n;
end $$;
INFO: 3 NULL
DO
[1] http://www.postgresql.org/docs/9.3/static/hstore.html
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/bigserial types instead of
integer/bigint + sequence. This will automatically create a sequence
that is depended on the table.
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request arrives.
[1]: http://www.postgresql.org/docs/9.0/static/release-9-0-12.html
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various blogs that I have read )
Hm.. looks like I missed this fact. Is it possible to install the 64bit one?
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will
try pg_reorg.
When you move your cluster to the 64bit version you need to do
dump/restore, because it is the only way to migrate between
architectures. In this case you don't need to use pg_reorg, as your
cluster will be recreated from scratch.
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to set FASTUPDATE to off on the GIN index, because it might lead
to unpredictable stalls
(http://www.postgresql.org/docs/9.3/static/gin-implementation.html#GIN-FAST-UPDATE).
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autovacuum_naptime = 5s
autovacuum_vacuum_scale_factor = 0.05
autovacuum_analyze_scale_factor = 0.05
autovacuum_vacuum_cost_delay = 5ms
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is the reason not to
do it streaming?
BTW, you will find the SSH tunnel instructions here
http://code.google.com/p/pgcookbook/wiki/Streaming_Replication_Setup
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be a good idea to set hot_standby_feedback to on and
max_standby_archive_delay to something larger than 30s
Doesn't replica need a connection to master for hot_standby_feedback?
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0: Bad configuration option: ExitOnForwardFailure
command-line: line 0: Bad configuration option: ExitOnForwardFailure
It looks like your SSH version or implementation doesn't support
ExitOnForwardFailure. Try to find an alternative.
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might need to recreate some foreign keys.
We will have a lot of big tables with such fields and we couldn't
afford downtime on the ALTERs and other things.
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daemon to rotate it.
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: ccc
Are there any caveats of this solution and may be there is a better one?
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it was?
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NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
Nothing looks suspicious for me.
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of records, it might affect things.
You can try to look at pg_stats.histogram_bounds to work the issue
around, however it is just my assumption, I have newer tried it.
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regards,
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On Thu, Aug 8, 2013 at 10:59 PM, Vishalakshi Navaneethakrishnan
nvishalak...@sirahu.com wrote:
Now the problem is autovacuum.. why it was invoked and increased the load?
How to avoid this?
Upgrade to the latest minor version 9.2.4 first.
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On Wed, Aug 7, 2013 at 11:38 PM, Alban Hertroys haram...@gmail.com wrote:
On Aug 8, 2013, at 4:11, Sergey Konoplev gray...@gmail.com wrote:
create table node as (
id integer primary key,
r integer, s integer,
children integer[]
);
and check integrity by triggers.
Or, instead
where datname = 'template0';
select * from pg_stat_database where datname = 'template0';
In addition to Kevin's notes, I think it is also worth to look at the
result of the query below.
select name, setting from pg_settings
where name ~ 'vacuum' and setting reset_val;
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in the table, but in
the most cases I faced it works good.
I had an idea to play with pg_stats.histogram_bounds to work around
the described issue, but it was never so critical for tasks I solved.
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moment of time.
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of
autovacuum process in the result but the query filed is Empty
Was autovacuum the only process that you saw in pg_stat_activity?
What OS do you use?
Do you use huge pages?
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, and
possibly attempt to introduce a language of my own choosing. The docs I've
seen so far are mostly too specific, making it a bit for hard for me to see
the forest from the trees.
AFAIK, this one is the best one
http://www.postgresql.org/docs/9.2/interactive/plpython.html.
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create table node as (
id integer primary key,
r integer, s integer,
children integer[]
);
and check integrity by triggers.
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gray
On Wed, Aug 7, 2013 at 7:11 PM, Sergey Konoplev gray...@gmail.com wrote:
so you could download 9.3rc2 and experimant with it.
Sorry, 9.3beta2 of course.
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/transparent_hugepage/enabled
cat /sys/kernel/mm/transparent_hugepage/defrag
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-0547 msn: carlos.rei...@opendb.com.br
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.
Feedback? Suggestions?
Use integer arrays. It works just like you need
select array_to_string(c, '.')
from (values (array[1,10,2]), (array[1,5,3])) as sq(c)
order by c;
array_to_string
-
1.5.3
1.10.2
and it is pretty fast when indexed.
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Or may be I understand something wrong again?
Janek
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that on following link:
http://www.postgresql.org/message-id/flat/ca+tgmoy4j+p7jy69ry8gposmmdznyqu6dtionprcxavg+sp...@mail.gmail.com#ca+tgmoy4j+p7jy69ry8gposmmdznyqu6dtionprcxavg+sp...@mail.gmail.com
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On Thu, Jul 25, 2013 at 3:54 PM, Janek Sendrowski jane...@web.de wrote:
The Fulltextsearch is not really suitable because it doesn't have a tolerance.
What do you exactly mean by tolerance here?
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= new.b.
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uses the WAL to determine changed data blocks,
and does not require reading through all files in the cluster. That makes it
a lot faster when the database is large and only a small portion of it differs
between the clusters.
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Profile
autovacuum might not manage with bloat, and in this case you can use
this tool pgcompactor (https://code.google.com/p/pgtoolkit/) in
conjunction with pgstattuple extension or pg_repack
(https://github.com/reorg/pg_repack).
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performance issues - it could cause ones,
mostly if somebody forget to do commit/rollback as it still holds
locks. Moreover it involves application-DBs communications and
persistence, so it is surely might affect performance.
Warm regards,
GB
On Mon, Jul 15, 2013 at 10:51 AM, Sergey Konoplev
so that all
updates on shards can be rolled back if any one among the set fails?
It is called two-phase commit. You need to consult with this [1]
section of documentation.
[1] http://www.postgresql.org/docs/9.2/static/sql-prepare-transaction.html
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of their owners illegally.
--strk;
http://strk.keybit.net
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://www.postgresql.org/docs/9.2/static/tablefunc.html#AEN144882
It is documented pretty good and has a lot of useful examples.
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rows=0 loops=1)
Index Cond: (tstzrange(now(), now(), '[]'::text) duration)
Total runtime: 0.098 ms
(7 rows)
Time: 0.801 ms
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