Thank you for the insights
Turning fsync = off has resulted in no noticable build time reduction for
my Dockerfile with OSM Europe data, but still thank you for the suggestion!
>
Thank you, Justin -
On Sat, Mar 30, 2024 at 4:33 AM Justin Clift wrote:
> On 2024-03-30 05:53, Alexander Farber wrote:
> > I use the following postgresql.conf in my Dockerfile
> > ( the full version at https://stackoverflow.com/a/78243530/165071 ),
> > when loading a
Good evening,
I use the following postgresql.conf in my Dockerfile
( the full version at https://stackoverflow.com/a/78243530/165071 ),
when loading a 28 GByte large europe-latest.osm.pbf
into PostgreSQL 16 with PostGIS extension:
echo "shared_buffers = 1GB">> $PGDATA/postgres
Good morning,
I am seeking for a general advice if it would be a good idea for a
PostgreSQL/PostGIS using application to add a third schema.
I am using postgis/postgis Docker image which comes with "public" schema.
Then I have loaded OpenStreetMap data into the database and have created
"osm_sch
Thank you, that was it!
Good evening, I still have a problem with my JOIN expression -
when I add more games, then messages from other games are displayed:
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=e2ff211f59090d1eeab879498148f907
CREATE OR REPLACE FUNCTION words_get_chat(
in_gid integer,
Good morning, this is a very insightful comment (among many) by you, David -
On Wed, May 4, 2022 at 5:40 PM David G. Johnston
wrote:
> Well, that is basically why I was going on about the oddity of having
> social be a part of the main query. Personally I would write it as
> "myself.uid = in_ui
David, thanks but what do you mean by the last comment -
On Wed, May 4, 2022 at 7:44 PM David G. Johnston
wrote:
> Using (SELECT uid FROM myself) provides the same result without the
> from/join reference; the usage in the case and the where clause could be
> rewritten to use opponent.uid so mys
Is that the right way to do it?
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=7bd74243397da61ddc4c216ad919c7cc
WITH myself AS (
SELECT uid
FROM words_social
WHERE social = in_social
AND sid = in_sid
LIMIT 1
)
SELE
I think I am very close with the following CTE, but do not understand how
to bring it into the main SELECT query:
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=ee264dc98b44dee75aa4523164a327b3
WITH myself AS (
SELECT uid
FROM words_social
WHERE social =
I have tried CROSS JOIN and CASE WHEN (why be greedy, right?):
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=43a33374d15a9330145007702138822c
WITH myself AS (
SELECT uid
FROM words_social
WHERE social = in_social
AND sid = in_sid
I try with a CTE but cannot figure the syntax:
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=acd6d06a7ea2efc73a0771530832d77e
WITH cte AS (
SELECT uid
FROM words_social
WHERE social = in_social
AND sid = in_sid
LIMIT 1
)
I am probably needing LEFT JOIN LATERAL here (and am completely lost)?
Or to switch to CTE as you suggest
David, I try then the following -
On Wed, May 4, 2022 at 5:28 PM David G. Johnston
wrote:
> You missed quoting the part where I describe the on clauses you need to
> distinguish between "them" and "me"
>
> Me: u.uid in (player...) and (s.uid = u.uid)
> Them: u.uid in (player...) and (s.uid <> u.
David, I am trying your suggestion:
On Wed, May 4, 2022 at 4:27 PM David G. Johnston
wrote:
> Assuming the base query is capable of returning all related chat messages
> for both users (I'd probably place that portion into a CTE) the rows you
> want to filter out are those whose c.uid is not my
My real SQL function has one more param, an "auth" string generated by my
game, which complements the social network id "sid".
I have just omitted it in my test case.
>
Hi Ron,
On Wed, May 4, 2022 at 4:56 PM Ron wrote:
>
> How do other web sites know to present only "my" data, even though they
> don't encode "my" user id in the URL?
>
>
that is the usual pattern with OAuth provided by: Facebook, Google, Amazon,
Huawei, etc...
After you auth with them in a game
Thank you for replying, David!
The "social dynamic" is needed, because I cannot pass real user id (via
HTTP) to SQL queries.
Instead I pass social network type "social" (like 100 is facebook, 200 is
twitter) and the social network id "sid" returned by that network. This way
noone can read chats b
Hello,
I have developed a complete SQL fiddle for my question:
https://dbfiddle.uk/?rdbms=postgres_14&fiddle=dcf063ba1615b392cc3cfa347a32c97b
The context is that I run an online game for two players using a PostgreSQL
14.2 backend.
I would like to make my game more friendly by hiding chat messa
s/grumbling/wondering/
Ah, thank you Ralf! That has explained it (because I was still grumbling...)
On Wed, Feb 16, 2022 at 4:44 PM Ralf Schuchardt wrote:
> You must rather end the assignment with a semicolon:
>
> out_text := '___WRONG___';
> RETURN;
>
> Otherwise what really happens is:
>
> out_text := '___WRONG___'
Ah, I have to do
RETURN '___WRONG___';
and not
out_text := '___WRONG___'
RETURN;
Hi Laurenz, thanks for your reply, but I think it is wrong -
On Wed, Feb 16, 2022 at 1:24 PM Laurenz Albe
wrote:
> One reason could be index corruption. If one query uses an index and the
> other doesn't,
> that could lead to different results.
>
> The other option is of course a trivial error,
Hello,
when I search for a non existent word in the two tables hosted in
PostgreSQL 14.1 then I get zero records as expected:
words_en=> SELECT 1 FROM words_nouns WHERE word = 'ABCDE' UNION SELECT 1
FROM words_verbs WHERE word = 'ABCDE';
?column?
--
(0 rows)
But when I try to use the sa
Tom, you are so eagle eyed -
On Mon, Mar 8, 2021 at 8:53 PM Tom Lane wrote:
> Alexander Farber writes:
> > However there are cases, when I only have the out_gid value, I do not
> want
> > to return any other values.
> > My question is: do I have to set the other OUT p
Good evening,
in PostgreSQL 13.2 I have a custom stored function:
CREATE OR REPLACE FUNCTION words_join_new_game(
in_uid integer,
in_bid integer
) RETURNS table (
-- the player to be notified (sometimes there is no such
user)
Thanks for your input
Actually, yes, that is what I have right now a translate() like stored
function, with format %s sometimes.
But that is "at runtime" and I would like to have a "at compile
time"/"deploy once and forget" solution, that is why I have asked about
approaches for modifying the bod
I think I will try this approach:
\set localized_declaration `sed 's/this/that/' my_func.sql`
:localized_declaration
Thank you for your input
Ah, I understand, that was the wrong EXECUTE, thank you.
Another idea: can't I use \set command for my purpose of localizing stored
functions?
\set my_func_declaration `sed 's/this/that/' my_func.sql`
But how to execute the declaration? I can only echo it with
select (:'my_func_declaration');
Thank you for the \! hint, Pavel, didn't know about that!
Is it possible to have a pure SQL solution? (To avoid having to install
"sed" on my Win 10 PC)
Maybe by using EXECUTE?
EXECUTE REGEXP_REPLACE(
$localize$
CREATE OR REPLACE FUNCTION my_func()
RETURNS text AS
$func$
SELECT
Or is it possible to call external commands from an sql script, like
\i "sed 's/this/that/' some.sql"
Yes, good point about the '\$', thank you Tom.
The reason I am trying not to use sed, is because I deploy my database by
executing a single command:
psql words_en < words_en.sql
And the file words_en.sql has the contents:
\i words_hash.sql
\i words_all_letters.sql
\i words_get_hint.sql
\i words
Hello,
I have an app using PostgreSQL 13.2, in 6 different human languages (each
using different database, but same source code).
Currently to localize strings return/set by the stored functions I either
get localized strings from a table or maintain stored function source code
in 6 different lan
Thank you for the explanation, David
On Thu, Feb 25, 2021 at 9:49 PM David Rowley wrote:
>
> Since your foreign keys perform a cascade delete on the tables
> referencing the tables you're deleting from, any records in those
> referencing tables will be deleted too. You must also look at those
>
Thank you, Pavel!
I didn't even think about trying to "explain analyze" deletion of just 1
record -
On Thu, Feb 25, 2021 at 10:04 PM Pavel Stehule
wrote:
> čt 25. 2. 2021 v 19:39 odesílatel Alexander Farber <
>> alexander.far...@gmail.com> napsal:
>>
>
Pavel, thank you for asking!
I have put the anonymized dump of my database at:
http://wordsbyfarber.com/words_dev.sql.gz (beware, it is a 1.3 GB download)
The question is why does the command take days (when I tried last time):
delete from words_games where created < now() - interval '12 month'
Hi Pavel,
trying to follow your advice "You should check so all foreign keys have an
index" I look at the table where I want to delete older records:
# \d words_games
Table "public.words_games"
Column | Type | Collation | Nullable |
Hello, revisiting an older mail on the too long deletion times (in
PostgreSQL 13.2)...
I have followed the advices here, thank you -
On Fri, Nov 27, 2020 at 4:15 PM Guillaume Lelarge
wrote:
> Le ven. 27 nov. 2020 à 16:05, Alvaro Herrera a
> écrit :
>
>> On 2020-Nov-27, Alexand
Ahh, thank you all -
select row_to_json (x) FROM( SELECT
jsonb_agg(day) AS day,
jsonb_agg(completed) AS completed,
jsonb_agg(expired) AS expired
from (
SELECT TO_CHAR(finished, '-MM-DD') AS day,
count(*) filter (where reason in ('regular', 'resigned'))
Thank you Thomas, this results in
select
day AS day,
jsonb_agg(completed) AS completed,
jsonb_agg(expired) AS expired
from (
SELECT TO_CHAR(finished, '-MM-DD') AS day,
count(*) filter (where reason in ('regular', 'resigned')) AS
completed,
count
Ah, thank you...
JSON support in PostgreSQL is cool and seems to be extended with each
release.
But standard tasks of returning a JSON map of lists or JSON list of list
seem to be difficult to use.
Greetings
Alex
Then I have to split the query in 3 similar ones (with same condition)?
I try:
SELECT
JSONB_AGG(TO_CHAR(finished, '-MM-DD')) AS day
FROM words_games
WHERE finished > CURRENT_TIMESTAMP - INTERVAL '2 week'
GROUP BY day
ORDER BY day;
ERROR: aggreg
Good evening,
I have the following query in 13.2:
# SELECT
TO_CHAR(finished, '-MM-DD') AS day,
SUM(CASE WHEN reason='regular' or reason='resigned' THEN 1
ELSE 0 END)::int AS completed,
SUM(CASE WHEN reason='expired' THEN 1 ELSE 0 END)::int AS
ex
:
logical replication launcher
On Sat, Feb 20, 2021 at 4:15 PM Alexander Farber
wrote:
> Thank you all, I will try at first
>
> shared_buffers = 16GBand
>
> index on words_scores(uid, length(word) desc)
>
>
>
Thank you all, I will try at first
shared_buffers = 16GBand
index on words_scores(uid, length(word) desc)
Yes, Michael, that I have noticed too, but should have written more in my
original mail.
The query when I try it does run in 15ms, but evening logs show the query
(I think only small percentage of it) running 1-3s.
At the same time my CentOS 8 server with 64 GB RAM is never loaded, the
load avera
Good evening,
I have a word game which uses PostgreSQL 13.2 and 80% of the code is
written as stored functions in PL/PgSQL or SQL.
Recently I have purchased some traffic and the number of daily games
increased from 100 to 700.
In the PostgreSQL log I have noticed that the duration for 2 particul
I have tried switching to SELECT INTO, but IF FOUND is still always true,
which gives me [ null, null, null ] for some users:
SELECT JSONB_BUILD_ARRAY(
SUM(CASE WHEN (player1 = in_viewer AND state1 =
'won') OR (player2 = in_viewer AND state2 = 'won') THEN
Hi Pavel,
why would SELECT INTO be better here?
Thanks
Alex
I have ended up with the following (to avoid returning [null, null, null]
for players who never played with each other):
_versus := JSONB_BUILD_ARRAY(
SUM(CASE WHEN (player1 = in_uid AND state1 =
'won') OR (player2 = in_uid AND state2 = 'won') THEN 1 ELSE
I have tried the following, but IF FOUND is always false for some reason:
_versus := JSONB_BUILD_ARRAY(
SUM(CASE WHEN (player1 = in_uid AND state1 =
'won') OR (player2 = in_uid AND state2 = 'won') THEN 1 ELSE 0
END)::integer,
SUM(CA
Hello, thank you for the helpful replies.
I have decided to go with PL/PgSQL for now and also switched from JSONB
list of lists to map of lists.
And the custom stored function below works mostly well, except for a
special case -
CREATE OR REPLACE FUNCTION words_stat_charts(
in_ui
Thank you, David, with json_build_array() it works for a single query -
SELECT
JSONB_BUILD_ARRAY(
SUM(CASE WHEN (player1 = in_uid AND state1 = 'won') OR
(player2 = in_uid AND state2 = 'won') THEN 1 ELSE 0 END)::integer,
SUM(CASE WHEN (player1 =
On Tue, Feb 16, 2021 at 7:52 PM Michael Lewis wrote:
> Aggregate functions work on a single column to summarize many rows into
> fewer rows. You seem to be wanting to combine multiple columns which would
> be done by concatenation or array[column1,column2] or something like that.
>
Ah right, Mic
Good evening,
In 13.2 I have 3 SQL queries, which work well and return integer values.
The values I feed to Google Charts (and currently I switch to Chart.js).
Currently I use the queries by calling 3 different custom stored functions
by my Java servlet.
I would like to convert the functions to
On Sat, Jan 9, 2021 at 3:49 PM David G. Johnston
wrote:
> Subqueries must be enclosed in parentheses. The parentheses that are part
> of the function call do not count.
>
>
Ah! Thank you David, this has worked now -
CREATE OR REPLACE FUNCTION words_solve_puzzle(
in_mid big
Hello,
for a word puzzle using PostgreSQL 13.1:
https://wortefarbers.de/ws/puzzle2?mid=138&secret=c6f469786df7e8d44461381b62b2ce7d
I am trying to improve a stored function -
CREATE OR REPLACE FUNCTION words_solve_puzzle(
in_mid bigint,
in_uid int,
Thank you, Steve -
On Sun, Dec 6, 2020 at 6:50 PM Steve Baldwin
wrote:
> Can't you just use table aliases? So, the outer word_moves would become
> 'word_moves as wm', word_puzzles would become 'word_puzzles as wp', and the
> where clause 'WHERE wp.mid = wm.mid' ?
>
table aliases have worked for
Good evening,
in PostgreSQL 13.1 I save player moves in the table:
# \d words_moves
Table "public.words_moves"
Column | Type | Collation | Nullable |
Default
-+--+---+--+--
On Sat, Dec 5, 2020 at 9:00 PM David G. Johnston
wrote:
> Maybe not “simpler” but for all those checks you could write a single
> query that pulls out all the data at once into a record variable and test
> against the columns pf that instead of executing multiple queries.
>
Thank you!
Good evening,
hopefully my question is not too stupid, but -
in a 13.1 database I have a words_users table with a boolean column:
-- the user is not allowed to chat or change the motto
muted boolean NOT NULL DEFAULT false,
Currently I check the value as follows, but I wo
Hello,
I am using PostgreSQL 10.15 on CentOS 7 with 64 GB RAM, Intel i7 6700 and I
have the following 2 tables there:
words_ru=> \d words_games
Table "public.words_games"
Column | Type | Collation | Nullable |
Default
--+
Thank you!
Good evening,
I am trying to take a JSONB object (comes from an HTTP cookie set by my
app) and add a property "uid" to it, which should hold an integer:
CREATE OR REPLACE FUNCTION words_get_user(
in_users jsonb,
OUT out_user jsonb
) RETURNS jsonb AS
$func$
Good evening,
in PostgreSQL 11 I have a table holding player moves (could be: 'play',
'swap', 'skip', ...) in a word game:
# \d words_moves;
Table "public.words_moves"
Column | Type | Collation | Nullable |
Default
-+--
Thanks for your replies!
Tom has hinted that STRICT is pl/pgSQL syntax and not SQL
Regards
Alex
>
Thank you Patrick -
On Tue, Dec 3, 2019 at 11:49 AM Patrick FICHE
wrote:
>
> It seems that STRICT is the issue.
>
> But why does your function return a table of boolean in this case ?
>
> As it only updates one record, it would probably be easier to return a
> boolean only.
>
> CREATE OR REPLACE
Good morning,
why does not PostgreSQL 10.11 please like the -
CREATE OR REPLACE FUNCTION words_toggle_puzzle(
in_mid bigint
) RETURNS table (
out_puzzle boolean
) AS
$func$
UPDATE words_moves
SET puzzle = NOT puzzle
WHERE
My context is that I have a table of player moves with PK mid (aka "move
id").
And I am able to find "interesting" moves by the high score or all 7 letter
tiles used.
But I do some human reviewing and set a "puzzle" boolean for truly
interesting moves.
For the reviewing tool I would like to disp
Thank you Adrian, but -
On Fri, Nov 29, 2019 at 6:45 PM Adrian Klaver
wrote:
> On 11/29/19 8:38 AM, Alexander Farber wrote:
> >
> > CREATE OR REPLACE FUNCTION words_list_puzzles(
> > in_start interval,
> > in_end interval
>
Good evening,
I am trying to count the booleans per each GROUP BY section by the
following stored function:
CREATE OR REPLACE FUNCTION words_list_puzzles(
in_start interval,
in_end interval
) RETURNS TABLE (
out_label text,
Thank you Michael -
On Fri, Oct 25, 2019 at 7:28 PM Michael Lewis wrote:
> But it prints too many records: all moves cross-multiplied with each other.
>>
>> As if I have forgotten to add 1 more condition to the JOIN LATERAL
>>
>
> LIMIT 1 inside your lateral should resolve that. Personally, I'd
Good evening,
for a word game hosted on PostgreSQL 10 I try to find interesting player
moves (high score or played all 7 tiles) and generate a "puzzle" images out
of them (example: https://imgur.com/a/StnXqoR )
The moves are stored in:
words_ru=> \d words_moves
Thank you -
On Mon, Oct 21, 2019 at 11:20 PM Adrian Klaver
wrote:
> As Thomas pointed there is a difference between -> and ->>:
>
> test_(postgres)# select pg_typeof('[{"one": 1, "two": 2}]'::jsonb -> 0
> -> 'one'), '[{"one": 1, "two": 2}]'::jsonb -> 0 -> 'one';
> pg_typeof | ?column?
> --
Apologies, I should have shown the JSON structure in my very first email -
On Mon, Oct 21, 2019 at 4:45 PM Thomas Kellerer wrote:
> Use ->> to return the value as text (not as JSONB) and you need to use the
> column alias, not the table alias:
>
> (t.tile ->> 'col')::int
>
>
It is a JSON-arr
Thank you Thomas -
On Mon, Oct 21, 2019 at 4:24 PM Thomas Kellerer wrote:
> Alexander Farber schrieb am 21.10.2019 um 15:39:
> > I am trying to construct a query, which would draw a game board when
> given a move id (aka mid):
> >
> >
Hello, good afternoon!
With PostgreSQL 10 I host a word game, which stores player moves as a JSON
array of objects with properties: col, row, value, letter -
CREATE TABLE words_moves (
mid BIGSERIAL PRIMARY KEY,
action text NOT NULL,
gid integer NOT NULL REFERENCE
Thank you Adrian -
On Sat, Jun 29, 2019 at 3:59 PM Adrian Klaver
wrote:
> On 6/29/19 12:34 AM, Alexander Farber wrote:
>
> Not from within. Supported extensions:
>
> https://docs.microsoft.com/en-us/azure/postgresql/concepts-extensions
>
> Using search term 'azure po
Good morning,
in Microsoft Azure how to add pgbouncer or a similar software enabling
multiple simultaneous connections?
After reading https://docs.microsoft.com/en-us/azure/postgresql/overview I
could not find such options...
Thank you
Alex
Thank you -
On Tue, Jun 18, 2019 at 3:10 PM Tom Lane wrote:
> Alexander Farber writes:
> > And then I shuffle the letters by -
>
> > CREATE OR REPLACE FUNCTION words_shuffle(in_array text[])
> > RETURNS text[] AS
> > $func$
> > SELECT array_
Thank you, Laurenz and Tom -
On Fri, Jun 14, 2019 at 3:25 PM Tom Lane wrote:
>
> Laurenz Albe writes:
>
> > You'll have to specify an array of which type you want, probably
> > ... RETURNS text[]
>
> Right. Also, I don't recall the exact rules in this area, but I think
> that SQL functions are
Hello,
in PostgreSQL 10.8 the following works -
words_ru=> SELECT ARRAY[
words_ru-> '*', '*', 'А', 'А', 'А', 'А', 'А', 'А', 'А', 'А',
words_ru-> 'Б', 'Б', 'В', 'В', 'В', 'В', 'Г', 'Г', 'Д', 'Д',
words_ru-> 'Д', 'Д', 'Е', 'Е', 'Е', 'Е', 'Е',
Thank you, the following seems to have worked -
On Tue, Jan 15, 2019 at 8:49 PM David G. Johnston <
david.g.johns...@gmail.com> wrote:
>
> UPDATE users
> SET avg_time = diffs.average_time_for_the_grouped_by_user
> FROM diffs
> WHERE users.uid = diffs.uid --< the missing "where" I commented about
e
Last question please - how to run the query for all users?
I know I could use the FOR-loop from PL/PgSQL, but is there also a pure SQL
way?
How to refer to the outside "uid" from inside the CTE in the query below?
WITH diffs AS (
SELECT
gid,
uid,
played - LAG(played) OVER(PAR
And I should better change the avg_time column from TEXT to TIMESTAMPTZ
(and use TO_CHAR on it later down the road) so that I can compare my players
Regards
Alex
>
Ahh, the subqueries -
On Tue, Jan 15, 2019 at 5:59 PM David G. Johnston <
david.g.johns...@gmail.com> wrote:
> On Tue, Jan 15, 2019 at 9:52 AM Alexander Farber
> wrote:
> >> So calculate the average somewhere else, put the result in a column,
> >> and then re
Unfortunately, I don't understand your advice, David -
On Tue, Jan 15, 2019 at 5:46 PM David G. Johnston <
david.g.johns...@gmail.com> wrote:
> On Tue, Jan 15, 2019 at 9:42 AM Alexander Farber
> wrote:
> > When I am trying
> >
> > WITH diffs AS (
> &
Good evening,
I have prepared a simple test case for my question:
https://www.db-fiddle.com/f/w1AYGpoZiWW9bLCYjHDk7H/0
There I create 3 tables:
CREATE TABLE users (
uid SERIAL PRIMARY KEY,
avg_time TEXT
);
CREATE TABLE games (
gid SERIAL PRIMARY KEY,
player1 INTEGER NOT NULL REFERENCES
Thank you Adrian -
On Fri, Jan 11, 2019 at 4:55 PM Adrian Klaver
wrote:
> On 1/11/19 4:50 AM, Alexander Farber wrote:
> > https://www.db-fiddle.com/f/22jfWnsvqD8hVeFPXsyLbV/0
>
> Why not put a test for the block in the function and then use different
> UPDATE's depend
Good afternoon
I have prepared a simplified test case for my question:
https://www.db-fiddle.com/f/22jfWnsvqD8hVeFPXsyLbV/0
In PostgreSQL 10.6 there are 2 tables:
CREATE TABLE users (
uid SERIAL PRIMARY KEY,
created timestamptz NOT NULL,
visited timestamptz NO
Thank you for the comments, Andrew -
On Mon, Jan 7, 2019 at 8:40 PM Andrew Gierth
wrote:
> The obvious thing to do is to keep a computed average score for each
> user - either in a separate table which you update based on changes to
> words_moves, which you could do with a trigger, or using a ma
Hi Andrew -
On Mon, Jan 7, 2019 at 12:00 AM Andrew Gierth
wrote:
> >>>>> "Alexander" == Alexander Farber writes:
> Alexander> With the further help of the IRC folks the query has been
> Alexander> optimized (7-10 seconds -> 0.3 second)
>
> 0.
Good afternoon,
for each visitor of my website I generate a JSON list of 30 top players (
https://slova.de/words/top.php ), who played in the past week, with their
average scores and average time between moves.
With 5 seconds this query is taking quite a bit of time:
https://explain.depesz.com/s/
Good evening, thank you for the useful hints!
With the further help of the IRC folks the query has been optimized (7-10
seconds -> 0.3 second) by adding the following indices:
CREATE INDEX ON words_games (player1, COALESCE(finished, 'INFINITY'));
CREATE INDEX ON words_games (player2, COALESCE(fin
Oh ok, so it is not as simple as eliminating all "Seq Scan" occurrences...
Thank you for replying Andrew -
On Sat, Jan 5, 2019 at 9:18 PM Andrew Gierth
wrote:
That seems slow in itself, even before adding the extra join - the
> explain suggests that you're both short on indexes and you're getti
Good evening,
On a CentOS 7.6 server (Intel Core i7-6700, 64 GB DDR4 RAM, RAID1 SSD) I
run a backend written in PL/pgSQL and Java for a mobile and desktop word
game with the following Linux packages:
postgresql10-server-10.6-1PGDG.rhel7.x86_64
pgbouncer-1.9.0-1.rhel7.x86_64
postgresql-jd
Good evening,
I am trying to SELECT ARRAY_AGG into an array from 2 tables.
But unfortunately here is what I get in PostgreSQL 10.5:
SELECT ARRAY_AGG(hashed)
FROM words_nouns
WHERE added > TO_TIMESTAMP(1539100913)
UNION
SELECT ARRAY_AGG(hashed)
FROM w
On Sat, May 26, 2018 at 6:37 PM, Adrian Klaver
wrote:
>
>
> https://www.postgresql.org/docs/10/static/sql-update.html
> "column_name
>
> The name of a column in the table named by table_name. The column name
> can be qualified with a subfield name or array subscript, if needed. Do not
> includ
Oops, I am sorry for the formatting - Mac + Terminal + Gmail :-/
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