ABAP Select data from SAP table FARVD_CUST_BAL_R into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FARVD_CUST_BAL_R 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 FARVD_CUST_BAL_R. 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 FARVD_CUST_BAL_R 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_FARVD_CUST_BAL_R TYPE STANDARD TABLE OF FARVD_CUST_BAL_R,
      WA_FARVD_CUST_BAL_R TYPE FARVD_CUST_BAL_R,
      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: <FARVD_CUST_BAL_R> TYPE FARVD_CUST_BAL_R.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARVD_CUST_BAL_R
*  INTO TABLE @DATA(IT_FARVD_CUST_BAL_R2).
*--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_FARVD_CUST_BAL_R INDEX 1 INTO DATA(WA_FARVD_CUST_BAL_R2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARVD_CUST_BAL_R>-MANDT = 1.
<FARVD_CUST_BAL_R>-BPIDENTIFICATIONNUMBER = 1.
<FARVD_CUST_BAL_R>-BUKRS = 1.
<FARVD_CUST_BAL_R>-GJAHR = 1.
<FARVD_CUST_BAL_R>-SHBKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARVD_CUST_BAL_R-BUMON, sy-vline,
  WA_FARVD_CUST_BAL_R-COMPANYCODE, sy-vline,
  WA_FARVD_CUST_BAL_R-DEBIT_AMT, sy-vline,
  WA_FARVD_CUST_BAL_R-CREDIT_AMT, sy-vline,
  WA_FARVD_CUST_BAL_R-SALES_AMT, sy-vline,
  WA_FARVD_CUST_BAL_R-BALANCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARVD_CUST_BAL_R 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_FARVD_CUST_BAL_R 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_FARVD_CUST_BAL_R INTO WA_FARVD_CUST_BAL_R.


*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.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FARVD_CUST_BAL_R-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARVD_CUST_BAL_R-GJAHR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_FARVD_CUST_BAL_R_STR, 
MANDT TYPE STRING,
BPIDENTIFICATIONNUMBER TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
SHBKZ TYPE STRING,
BUMON TYPE STRING,
COMPANYCODE TYPE STRING,
DEBIT_AMT TYPE STRING,
CREDIT_AMT TYPE STRING,
SALES_AMT TYPE STRING,
BALANCE TYPE STRING,
CUM_BALANCE TYPE STRING,
WAERS TYPE STRING,
PERIOD_TEXT TYPE STRING,
SL_PROCESS TYPE STRING,
CARRY_FORWARD TYPE STRING,
COMP_YEAR TYPE STRING,
COMP_BALANCE TYPE STRING,
DIFF_BALANCE TYPE STRING,
DIFF_BALANCE_P TYPE STRING,
MONTH_NAME TYPE STRING,
CUSTOMERFINSAUTHORIZATIONGRP TYPE STRING,
CUSTOMERBASICAUTHORIZATIONGRP TYPE STRING,
CARRY_FORWARD_AMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARVD_CUST_BAL_R_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_FARVD_CUST_BAL_R_STR-MANDT sy-vline 
WA_FARVD_CUST_BAL_R_STR-BPIDENTIFICATIONNUMBER sy-vline 
WA_FARVD_CUST_BAL_R_STR-BUKRS sy-vline 
WA_FARVD_CUST_BAL_R_STR-GJAHR sy-vline 
WA_FARVD_CUST_BAL_R_STR-SHBKZ sy-vline 
WA_FARVD_CUST_BAL_R_STR-BUMON sy-vline 
WA_FARVD_CUST_BAL_R_STR-COMPANYCODE sy-vline 
WA_FARVD_CUST_BAL_R_STR-DEBIT_AMT sy-vline 
WA_FARVD_CUST_BAL_R_STR-CREDIT_AMT sy-vline 
WA_FARVD_CUST_BAL_R_STR-SALES_AMT sy-vline 
WA_FARVD_CUST_BAL_R_STR-BALANCE sy-vline 
WA_FARVD_CUST_BAL_R_STR-CUM_BALANCE sy-vline 
WA_FARVD_CUST_BAL_R_STR-WAERS sy-vline 
WA_FARVD_CUST_BAL_R_STR-PERIOD_TEXT sy-vline 
WA_FARVD_CUST_BAL_R_STR-SL_PROCESS sy-vline 
WA_FARVD_CUST_BAL_R_STR-CARRY_FORWARD sy-vline 
WA_FARVD_CUST_BAL_R_STR-COMP_YEAR sy-vline 
WA_FARVD_CUST_BAL_R_STR-COMP_BALANCE sy-vline 
WA_FARVD_CUST_BAL_R_STR-DIFF_BALANCE sy-vline 
WA_FARVD_CUST_BAL_R_STR-DIFF_BALANCE_P sy-vline 
WA_FARVD_CUST_BAL_R_STR-MONTH_NAME sy-vline 
WA_FARVD_CUST_BAL_R_STR-CUSTOMERFINSAUTHORIZATIONGRP sy-vline 
WA_FARVD_CUST_BAL_R_STR-CUSTOMERBASICAUTHORIZATIONGRP sy-vline 
WA_FARVD_CUST_BAL_R_STR-CARRY_FORWARD_AMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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