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Re: jsonb_array_length: ERROR: 22023: cannot get array length of a scalar

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On 03/02/2018 10:04 AM, David G. Johnston wrote:
On Friday, March 2, 2018, Adrian Klaver <adrian.klaver@xxxxxxxxxxx <mailto:adrian.klaver@xxxxxxxxxxx>> wrote:

    On 03/02/2018 06:42 AM, Alexander Farber wrote:



    2018-03-02 15:30:33.646 CET [16693] LOG:  duration: 0.058 ms  bind
    <unnamed>: SELECT out_uid  AS uid,  out_fcm  AS fcm,  out_apns AS
    apns, out_adm  AS adm,  out_body AS body  FROM
    words_play_game($1::int, $2::int, $3::jsonb)

    where is $3::jsonb coming from?


Java prepared statement I think, using setString.

I was thinking more about the ultimate source of the data. The words_play_game() function, AFAICT, just passes the jsonb from input into the word_moves table. If that is the case the problem may occur further upstream where the jsonb array is actually built.


Not at computer right now but what does:

'[1,2,3]'::text::jsonb result in compared to '[1,2,3]'::jsonb ?

Because the system think your array-looking string is actually just a scalar that happens to have a leading [ and a trailing ]

David J.



--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx




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