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Re: How to return a jsonb list of lists (with integers) - Mailing list pgsql-general

From Michael Lewis
Subject Re: How to return a jsonb list of lists (with integers)
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Msg-id CAHOFxGqDzVAduLrL02aZOVxAdypD_YZrdJPFx0v0ejg6KKP2cA@mail.gmail.com
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In response to How to return a jsonb list of lists (with integers)  (Alexander Farber <alexander.farber@gmail.com>)
Responses Re: How to return a jsonb list of lists (with integers)  (Alexander Farber <alexander.farber@gmail.com>)
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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.

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