From: | Alexander Farber <alexander(dot)farber(at)gmail(dot)com> |
---|---|
To: | |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: How to return a jsonb list of lists (with integers) |
Date: | 2021-02-17 15:02:18 |
Message-ID: | CAADeyWj+G1ewR76hiQ-TiCDgpBtC_hWPfhkHAKKkarsVh+AQ0g@mail.gmail.com |
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Lists: | pgsql-general |
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 1 ELSE 0
END)::integer,
SUM(CASE WHEN (player1 = in_viewer AND state1 =
'lost') OR (player2 = in_viewer AND state2 = 'lost') THEN 1 ELSE 0
END)::integer,
SUM(CASE WHEN (player1 = in_viewer AND state1 =
'draw') OR (player2 = in_viewer AND state2 = 'draw') THEN 1 ELSE 0
END)::integer
)
FROM words_games
WHERE finished IS NOT NULL
AND in_viewer IN (player1, player2)
AND in_uid IN (player1, player2)
INTO _versus;
IF FOUND THEN -- for some reason this is always
true
out_data := JSONB_INSERT(out_data, '{versus}',
_versus);
END IF;
What works for me is:
IF _versus <> '[null,null,null]'::jsonb THEN
out_data := JSONB_INSERT(out_data, '{versus}',
_versus);
END IF;
Greetings
Alex
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