From: | Alexander Farber <alexander(dot)farber(at)gmail(dot)com> |
---|---|
To: | |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Displaying chat by punished users only to themselves (db fiddle attached) |
Date: | 2022-05-04 16:12:19 |
Message-ID: | CAADeyWiL239tEuwGuc0Garj_w9r2zYrzr=-uDou=K_jYDFWbsA@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
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
LIMIT 1
),
opponent AS (
SELECT CASE WHEN player1 = myself.uid THEN player2 ELSE
player1 END
FROM words_games
WHERE gid = in_gid
)
SELECT
CASE WHEN c.uid = myself.uid THEN 1 ELSE 0 END,
c.msg
FROM myself CROSS JOIN opponent
WHERE (c.uid = myself.uid OR NOT opponent.muted)
ORDER BY c.CREATED ASC;
but the error is:
ERROR: missing FROM-clause entry for table "myself"
LINE 60: SELECT CASE WHEN player1 = myself.uid THEN play...
^
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