Scalar function
SQL NULL, empty/whitespace-only text and invalid JSON produce SQL NULL.
Syntax
Scalar
Arguments
Returns
- Type: STRING
- NULL behavior: SQL NULL, empty/whitespace-only text and invalid JSON produce SQL NULL.
Properties
Usage notes
- The JSON is parsed and written out again, so its text formatting can change.
- Whitespace, number spelling and object-key order may change; object-key order is not part of the SQL contract.
- Deterministic: The same inputs and settings produce the same result.
Examples
Typical behavior
Last modified on October 15, 2026