MariaDB starting with 10.2.3

JSON functions were added in MariaDB 10.2.3.

Syntax

JSON_MERGE(json_doc, json_doc[, json_doc] ...)

Description

Merges the given JSON documents.

Returns the merged result,or NULL if any argument is NULL.

An error occurs if any of the arguments are not valid JSON documents.

Example

SET @json1 = '[1, 2]';
SET @json2 = '[3, 4]';

SELECT JSON_MERGE(@json1,@json2);
+---------------------------+
| JSON_MERGE(@json1,@json2) |
+---------------------------+
| [1, 2, 3, 4]              |
+---------------------------+

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