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JSON_GET_TYPE
Returns the Javascript type of the given JSON object.
JSON_GET_TYPE(json)
Arguments
- json: a valid JSON value.
Return Value
The type is returned as one of the following strings:
- “double”
- “string”
- “boolean”
- “null”
- “object”
- “array”
- Or, SQL NULL if json is not a valid JSON object.
Examples
mysql> select json_get_type('true');
+-----------------------+
| json_get_type('true') |
+-----------------------+
| boolean |
+-----------------------+
mysql> select json_get_type('12345');
+------------------------+
| json_get_type('12345') |
+------------------------+
| double |
+------------------------+
mysql> select json_get_type('"ohai"');
+-------------------------+
| json_get_type('"ohai"') |
+-------------------------+
| string |
+-------------------------+
mysql> select json_get_type('[1,2,3]');
+--------------------------+
| json_get_type('[1,2,3]') |
+--------------------------+
| array |
+--------------------------+
mysql> select json_get_type('{"a":1, "b":2}');
+---------------------------------+
| json_get_type('{"a":1, "b":2}') |
+---------------------------------+
| object |
+---------------------------------+
mysql> select json_get_type('null');
+-----------------------+
| json_get_type('null') |
+-----------------------+
| null |
+-----------------------+
Info
A JSON or Javascript null value is distinct from SQL NULL.
