27.10 GET_BOOLEAN Function
This function returns a boolean number value.
Syntax
APEX_JSON.GET_BOOLEAN (
p_path IN VARCHAR2,
p0 IN VARCHAR2 DEFAULT NULL,
p1 IN VARCHAR2 DEFAULT NULL,
p2 IN VARCHAR2 DEFAULT NULL,
p3 IN VARCHAR2 DEFAULT NULL,
p4 IN VARCHAR2 DEFAULT NULL,
p_default IN BOOLEAN DEFAULT NULL,
p_values IN t_values DEFAULT g_values )
RETURN BOOLEAN;
Parameters
Table 27-5 GET_BOOLEAN Function Parameters
Parameter | Description |
---|---|
|
Index into |
|
Each %N in |
|
The default value if the member does not exist. |
|
Parsed JSON members. The default is |
Returns
Table 27-6 GET_BOOLEAN Function Returns
Return | Description |
---|---|
|
Value at the given path position. |
|
Value at the given path position. |
|
Value at the given path position. |
|
Raises this error if |
Example
This example parses a JSON string and prints the boolean value at a position.
DECLARE
j apex_json.t_values;
BEGIN
apex_json.parse(j, '{ "items": [ 1, 2, { "foo": true } ] }');
if apex_json.get_boolean(p_path=>'items[%d].foo', p0=>3,p_values=>j) then
dbms_output.put_line('items[3].foo is true');
END IF;
END;
Parent topic: APEX_JSON