JSON_MERGE_PRESERVE(json_doc, json_doc[, json_doc] ...)

MySQL 8.4 🇮🇩 Bahasa Indonesia

Syntax

MYSQL

SELECT JSON_MERGE_PRESERVE('[1, 2]', '[true, false]');
+------------------------------------------------+
| JSON_MERGE_PRESERVE('[1, 2]', '[true, false]') |
+------------------------------------------------+
| [1, 2, true, false]                            |
+------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{"name": "x"}', '{"id": 47}');
+----------------------------------------------------+
| JSON_MERGE_PRESERVE('{"name": "x"}', '{"id": 47}') |
+----------------------------------------------------+
| {"id": 47, "name": "x"}                            |
+----------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('1', 'true');
+----------------------------------+
| JSON_MERGE_PRESERVE('1', 'true') |
+----------------------------------+
| [1, true]                        |
+----------------------------------+

SELECT JSON_MERGE_PRESERVE('[1, 2]', '{"id": 47}');
+---------------------------------------------+
| JSON_MERGE_PRESERVE('[1, 2]', '{"id": 47}') |
+---------------------------------------------+
| [1, 2, {"id": 47}]                          |
+---------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }',
     >    '{ "a": 3, "c": 4 }');
+--------------------------------------------------------------+
| JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c":4 }') |
+--------------------------------------------------------------+
| {"a": [1, 3], "b": 2, "c": 4}                                |
+--------------------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c": 4 }',
     >    '{ "a": 5, "d": 6 }');
+----------------------------------------------------------------------------------+
| JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c": 4 }','{ "a": 5, "d": 6 }') |
+----------------------------------------------------------------------------------+
| {"a": [1, 3, 5], "b": 2, "c": 4, "d": 6}                                         |
+----------------------------------------------------------------------------------+

Contoh

Example

Merges two or more JSON documents and returns the merged result. Returns NULL if any argument is NULL. An error occurs if any argument is not a valid JSON document.

MYSQL

SELECT JSON_MERGE_PRESERVE('[1, 2]', '[true, false]');
+------------------------------------------------+
| JSON_MERGE_PRESERVE('[1, 2]', '[true, false]') |
+------------------------------------------------+
| [1, 2, true, false]                            |
+------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{"name": "x"}', '{"id": 47}');
+----------------------------------------------------+
| JSON_MERGE_PRESERVE('{"name": "x"}', '{"id": 47}') |
+----------------------------------------------------+
| {"id": 47, "name": "x"}                            |
+----------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('1', 'true');
+----------------------------------+
| JSON_MERGE_PRESERVE('1', 'true') |
+----------------------------------+
| [1, true]                        |
+----------------------------------+

SELECT JSON_MERGE_PRESERVE('[1, 2]', '{"id": 47}');
+---------------------------------------------+
| JSON_MERGE_PRESERVE('[1, 2]', '{"id": 47}') |
+---------------------------------------------+
| [1, 2, {"id": 47}]                          |
+---------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }',
     >    '{ "a": 3, "c": 4 }');
+--------------------------------------------------------------+
| JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c":4 }') |
+--------------------------------------------------------------+
| {"a": [1, 3], "b": 2, "c": 4}                                |
+--------------------------------------------------------------+

SELECT JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c": 4 }',
     >    '{ "a": 5, "d": 6 }');
+----------------------------------------------------------------------------------+
| JSON_MERGE_PRESERVE('{ "a": 1, "b": 2 }','{ "a": 3, "c": 4 }','{ "a": 5, "d": 6 }') |
+----------------------------------------------------------------------------------+
| {"a": [1, 3, 5], "b": 2, "c": 4, "d": 6}                                         |
+----------------------------------------------------------------------------------+