Method as_sql

django/db/models/functions/json.py:12–17

(self, compiler, connection, **extra_context)

    output_field = JSONField()

    def as_sql(self, compiler, connection, **extra_context):
        if not connection.features.supports_json_field:
            raise NotSupportedError(
                "JSONFields are not supported on this database backend."
            )
        return super().as_sql(compiler, connection, **extra_context)

    def as_native(self, compiler, connection, *, returning, **extra_context):
        # PostgreSQL 16+ and Oracle remove SQL NULL values from the array by