ClassesClassesClassesClasses | | | | Operators

json_is_nulljson_is_nullJsonIsNulljson_is_nullJsonIsNullJsonIsNull (Operator)

Name

json_is_nulljson_is_nullJsonIsNulljson_is_nullJsonIsNullJsonIsNull — Checks if a JSON-String is null.

Signature

json_is_null( : : Json : IsNull)

Herror json_is_null(const char* Json, Hlong* IsNull)

Herror T_json_is_null(const Htuple Json, Htuple* IsNull)

Herror json_is_null(const HTuple& Json, Hlong* IsNull)

void JsonIsNull(const HTuple& Json, HTuple* IsNull)

void HJsonX.JsonIsNull(
[in] VARIANT Json, [out] VARIANT* IsNull)

static void HJson.JsonIsNull(HTuple json, out HTuple isNull)

Description

json_is_nulljson_is_nullJsonIsNulljson_is_nullJsonIsNullJsonIsNull checks if a JSON-String is null.

Find more information about the JSON extension package in the introduction to this chapter.

Parallelization

Parameters

JsonJsonJsonJsonJsonjson (input_control)  string HTupleHTupleHTupleVARIANTHtuple (string) (string) (HString) (char*) (BSTR) (char*)

JSON string

IsNullIsNullIsNullIsNullIsNullisNull (output_control)  integer HTupleHTupleHTupleVARIANTHtuple (integer) (int / long) (Hlong) (Hlong) (Hlong) (Hlong)

true if Json is null

Module

Foundation


ClassesClassesClassesClasses | | | | Operators