JSON_MERGE_PATCH
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MariaDB starting with 10.2.25
JSON_MERGE_PATCH
was introduced in MariaDB 10.2.25, MariaDB 10.3.16 and MariaDB 10.4.5.
Syntax
JSON_MERGE_PATCH(json_doc, json_doc[, json_doc] ...)
Description
Merges the given JSON documents, returning the merged result, or NULL if any argument is NULL.
JSON_MERGE_PATCH
is an RFC 7396-compliant replacement for JSON_MERGE, which has been deprecated.
Example
SET @json1 = '[1, 2]'; SET @json2 = '[2, 3]'; SELECT JSON_MERGE_PATCH(@json1,@json2),JSON_MERGE_PRESERVE(@json1,@json2); +---------------------------------+------------------------------------+ | JSON_MERGE_PATCH(@json1,@json2) | JSON_MERGE_PRESERVE(@json1,@json2) | +---------------------------------+------------------------------------+ | [2, 3] | [1, 2, 2, 3] | +---------------------------------+------------------------------------+
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