ABAP Select data from SAP table FKKCCV1_EXTACC_MNTN_MASS_RESMT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKCCV1_EXTACC_MNTN_MASS_RESMT table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FKKCCV1_EXTACC_MNTN_MASS_RESMT. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FKKCCV1_EXTACC_MNTN_MASS_RESMT table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT TYPE STANDARD TABLE OF FKKCCV1_EXTACC_MNTN_MASS_RESMT,
      WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT TYPE FKKCCV1_EXTACC_MNTN_MASS_RESMT,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FKKCCV1_EXTACC_MNTN_MASS_RESMT> TYPE FKKCCV1_EXTACC_MNTN_MASS_RESMT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKCCV1_EXTACC_MNTN_MASS_RESMT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKCCV1_EXTACC_MNTN_MASS_RESMT
  INTO TABLE IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCCV1_EXTACC_MNTN_MASS_RESMT
*  INTO TABLE @DATA(IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT INDEX 1 INTO DATA(WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT ASSIGNING <FKKCCV1_EXTACC_MNTN_MASS_RESMT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKCCV1_EXTACC_MNTN_MASS_RESMT>-CONTROLLER = 1.
<FKKCCV1_EXTACC_MNTN_MASS_RESMT>-RESPONSE = 1.
<FKKCCV1_EXTACC_MNTN_MASS_RESMT>-CONTROLLER = 1.
<FKKCCV1_EXTACC_MNTN_MASS_RESMT>-BASE = 1.
<FKKCCV1_EXTACC_MNTN_MASS_RESMT>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT INTO WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-BASE, sy-vline,
  WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-CONTROLLER, sy-vline,
  WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-STATUS, sy-vline,
  WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-MESSAGE, sy-vline,
  WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-ERROR, sy-vline,
  WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FKKCCV1_EXTACC_MNTN_MASS_RESMT TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FKKCCV1_EXTACC_MNTN_MASS_RESMT INTO WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR, 
CONTROLLER TYPE STRING,
RESPONSE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
STATUS TYPE STRING,
MESSAGE TYPE STRING,
ERROR TYPE STRING,
CONTROLLER TYPE STRING,
CATEGORY TYPE STRING,
MESSAGE TYPE STRING,
CAUSE TYPE STRING,
CONTROLLER TYPE STRING,
MODULE TYPE STRING,
CODE TYPE STRING,
MESSAGE TYPE STRING,
CAUSED_BY TYPE STRING,
FAILURES TYPE STRING,
EXTACC_MNTN_RES_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-RESPONSE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-BASE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-BASE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-STATUS sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-MESSAGE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-ERROR sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CATEGORY sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-MESSAGE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CAUSE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CONTROLLER sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-MODULE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CODE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-MESSAGE sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-CAUSED_BY sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-FAILURES sy-vline 
WA_FKKCCV1_EXTACC_MNTN_MASS_RESMT_STR-EXTACC_MNTN_RES_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.