JSON_OBJECT_TO_ARRAY
MariaDB starting with 11.2.0
JSON_OBJECT_TO_ARRAY was added in MariaDB 11.2.0.
Syntax
JSON_OBJECT_TO_ARRAY(Obj)
Description
It is used to convert all JSON objects found in a JSON document to JSON arrays where each item in the outer array represents a single key-value pair from the object. It is used when we want not just common keys, but also common values. It can be used in conjunction with JSON_ARRAY_INTERSECT().
Examples
SET @obj1= '{ "a": [1, 2, 3], "b": { "key1":"val1", "key2": {"key3":"val3"} }}';
SELECT JSON_OBJECT_TO_ARRAY(@obj1);
+-----------------------------------------------------------------------+
| JSON_OBJECT_TO_ARRAY(@obj1) |
+-----------------------------------------------------------------------+
| [["a", [1, 2, 3]], ["b", {"key1": "val1", "key2": {"key3": "val3"}}]] |
+-----------------------------------------------------------------------+
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