Internal table when creating a class

Question

Hi everybody
im defining parameters when defining a class
one of the parameters is IT_MARA, of type MARA
Ive declared a method - SELECT_DATA, where the code is
SELECT * FROM MARA
INTO TABLE IT_MARA....
When activating it
Im getting the error - IT_MARA is not an internal table 'OCCURS n ' specification is missing
anybody knows how to solve that issue?

Answer 1

Hi Anjali,
I figure out you are having trouble passing an internal table out of a method of a class.
The error you get is because the parameter you have declared using TYPE MARA actually creates a line type and not an internal table in the signature of the method.
You have to declare the parameter with a 'table type' rather, and it will create an internal table.
You could use either a global table type or a local one.
Please have a look at the code below using a local table type for this problem:
CLASS a DEFINITION.
  PUBLIC SECTION.
    TYPES ty_mara TYPE TABLE OF mara.     "Local Table Type
    METHODS meth EXPORTING et_mara TYPE ty_mara.   "This makes an internal table
ENDCLASS.
CLASS a IMPLEMENTATION.
  METHOD meth.
    SELECT * FROM mara INTO TABLE et_mara UP TO 10 ROWS.
  ENDMETHOD.
ENDCLASS.
START-OF-SELECTION.
  DATA lt_mara TYPE TABLE OF mara.
  DATA lr_a    TYPE REF TO a.
  CREATE OBJECT lr_a.
  CALL METHOD lr_a->meth
    IMPORTING
      et_mara = lt_mara.
  BREAK-POINT.