The Ultimate Guide to High Availability with MariaDB

Comments - JSON_ARRAY

2 days, 13 hours ago Norman Rice
Re: JSON_ARRAY
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/* NOTE: Depending on which functions you use to handle JSON, MariaDB will cast JSON_OBJECTs to (escaped) JSON string! Be wary of this when trying to build JSON_ARRAYS.

For example:

  • / SELECT JSON_ARRAY( JSON_OBJECT( 'result', 'ok' ), IF( TRUE, JSON_OBJECT( 'result', 'escaped-string' ),'' -- <-- Presumably because this IF/ELSE returns a string, the TRUE case will also be cast to string ), CASE WHEN TRUE THEN JSON_OBJECT( 'result', 'ok' ) END, CASE WHEN TRUE THEN JSON_OBJECT( 'result', 'escaped-string' ) ELSE '' -- <-- Presumably because this CASE/ELSE returns a string, the TRUE case will also be cast to string END ) AS `testcase`
 
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