JSON_MERGE

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.

JSON_MERGE has been deprecated since MariaDB 10.2.25, MariaDB 10.3.16 and MariaDB 10.4.5. JSON_MERGE_PATCH is an RFC 7396-compliant replacement, and JSON_MERGE_PRESERVE is a synonym.

Example

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

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

See Also

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