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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 10:58 AM, Alexander Farber wrote:
I see, thank you for your comments, David and Adrian.

In the "tiles" column actually save either the JSON array of tiles - when the user plays them

Or a string (which is jsonb too) concatenated of letters - when the user swaps the letters.

Maybe I should rethink my table structure (I just want to "log" all plays, swaps, skips, resigns in the words_moves table)...

Or make the string the value of an array:

[{"swap": "ТСНЦУЭ"}]

so you are not changing the inner JSON in the field.


Or maybe I should always check for the "action" column first (acts as enum) - before accessing "tiles" column....

Regrads
Alex



--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx




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