33.11 GET_CLOB Function
This function returns clob member value. This function auto-converts varchar2
, boolean, and number values.
Syntax
GET_CLOB (
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 CLOB DEFAULT NULL,
p_values in t_values DEFAULT g_values )
RETURN CLOB
Parameters
Table 33-7 GET_CLOB Function Parameters
Parameter | Description |
---|---|
p_values |
Parsed JSON members. defaults to g_values .
|
p_path |
Index into p_values .
|
p[0-4] |
Each % N in p_path will be replaced by pN and every i-th %s or %d will be replaced by the p[i-1] .
|
p_default |
Default value if the member does not exist. |
Returns/Raised Errors
Table 33-8 GET_CLOB Function Returns and Raised Errors
Return/Raised Errors | Description |
---|---|
a clob |
Value at the given path position. |
VALUE_ERROR |
If p_values(p_path) is an array or an object.
|
Example
Parse a JSON string and print the value at a position.
DECLARE
j apex_json.t_values;
BEGIN
apex_json.parse(j, '{ "items": [ 1, 2, { "foo": 42 } ] }');
dbms_output.put_line(apex_json.get_clob (
p_values => j,
p_path => 'items[%d].foo',
p0 => 3));
END;
Parent topic: APEX_JSON