Count rows in json using /UI2/CL_JSON - json

Question

i have a json value stored in a variable now i need to get the count of rows and i am facing error.
when i am storing the deserilized data in ls_response it shows error as
ls_Response is not an internal table
when i am storing the deserilized data in lt_response it show output as
total count is 0
here is the code
CLASS z_http1_code DEFINITION
PUBLIC
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
INTERFACES if_oo_adt_classrun .
TYPES: BEGIN OF ty_field,
customer_id TYPE string,
address TYPE string,
created_time TYPE string,
customer TYPE string,
date_created TYPE string,
END OF ty_field,
tt_field type standard table of ty_field.
TYPES: BEGIN OF ty_record,
id TYPE string,
createdtime TYPE string,
fields TYPE ty_field,
END OF ty_record.
TYPES tt_record TYPE STANDARD TABLE OF ty_record WITH EMPTY KEY.
TYPES: BEGIN OF ty_response,
records TYPE tt_record,
END OF ty_response.
DATA:ls_Response TYPE ty_response,
lt_response type tt_record.
TYPES: BEGIN OF ty_serialize,
customer_id TYPE string,
customer TYPE string,
END OF ty_serialize.
DATA(lv_response) = `{"records":[{"id":"rec5Qk24OQpKDyykq","createdTime":"2022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010001","address":"Chennai","time_created":"06:00:14","customer":"IDADMIN","date_created":"16.04.2004"}},{"id":"rec7bSe8` &&
`Zb18z6b5a","createdTime":"2022-08-08T13:07:16.000Z","fields":{"customer_id":"0000010007","address":"Kakinada","time_created":"04:01:18","customer":"Ramya","date_created":"15.04.2000"}},{"id":"recD9Hh4YLgNXOhUE","createdTime":"2022-08-08T11:48:06.00` &&
`0Z","fields":{"customer_id":"0000010002","address":"Bangalore","time_created":"04:03:35","customer":"MAASSBERG","date_created":"20.04.2004"}},{"id":"recK7Tfw4PFAedDiB","createdTime":"2022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010005","a` &&
`ddress":"Kakinada","time_created":"12:55","customer":"Lakshmi","date_created":"13-10-2022"}},{"id":"recKOq0DhEtAma7BV","createdTime":"2022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010006","address":"Hyderabad","time_created":"18:42:28","cu` &&
`stomer":"GLAESS","date_created":"21.04.2004"}},{"id":"recS8pg10dFBGj8o7","createdTime":"2022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010003","address":"Gurugram","time_created":"04:10:02","customer":"MAASSBERG","date_created":"20.04.2004"` &&
`}},{"id":"recf4QbOmKMrBeLQZ","createdTime":"2022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010004","address":"Bangalore","time_created":"06:00:12","customer":"IDADMIN","date_created":"21.04.2004"}},{"id":"recs7oHEqfkN87tWm","createdTime":"2` &&
`022-08-03T10:14:43.000Z","fields":{"customer_id":"0000010000","address":"Hyderabad","time_created":"04:01:18","customer":"MAASSBERG","date_created":"15.04.2004"}}]}`.
PROTECTED SECTION.
PRIVATE SECTION.
ENDCLASS.
/ui2/cl_json=>deserialize(
EXPORTING
json = lv_response
* jsonx =
pretty_name = /ui2/cl_json=>pretty_mode-user
* assoc_arrays =
* assoc_arrays_opt =
* name_mappings =
* conversion_exits =
* hex_as_base64 =
CHANGING
data = lt_response
).
Data LV_RowCnt type i.
*LV_RowCnt = LINES( Lt_response ).
*out->write( |'Total items count' { LV_RowCnt }| ).

Answer 1

You need to store the deserialized data in ls_response.
After that, you can get the row count of the field records of the structure ls_response:
DATA lv_row_count type i.
lv_row_count = LINES( ls_response-records ).