ABAP Select data from SAP table CRMS_REVACC_INVCOND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS_REVACC_INVCOND
*  INTO TABLE @DATA(IT_CRMS_REVACC_INVCOND2).
*--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_CRMS_REVACC_INVCOND INDEX 1 INTO DATA(WA_CRMS_REVACC_INVCOND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS_REVACC_INVCOND>-SRCDOC_COMP = 1.
<CRMS_REVACC_INVCOND>-SRCDOC_LOGSYS = 1.
<CRMS_REVACC_INVCOND>-SRCDOC_TYPE = 1.
<CRMS_REVACC_INVCOND>-SRCDOC_ID = 1.
<CRMS_REVACC_INVCOND>-TIMESTAMP_UTC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS_REVACC_INVCOND-CONDITION_TYPE, sy-vline,
  WA_CRMS_REVACC_INVCOND-PL_ACCOUNT, sy-vline,
  WA_CRMS_REVACC_INVCOND-BETRW, sy-vline,
  WA_CRMS_REVACC_INVCOND-WAERS, sy-vline,
  WA_CRMS_REVACC_INVCOND-BETRH, sy-vline,
  WA_CRMS_REVACC_INVCOND-HWAER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS_REVACC_INVCOND 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_CRMS_REVACC_INVCOND 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_CRMS_REVACC_INVCOND INTO WA_CRMS_REVACC_INVCOND.


*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 ALPHA, internal->external for field SRCDOC_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS_REVACC_INVCOND-SRCDOC_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS_REVACC_INVCOND-SRCDOC_LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PL_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS_REVACC_INVCOND-PL_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS_REVACC_INVCOND-PL_ACCOUNT.
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_CRMS_REVACC_INVCOND_STR, 
SRCDOC_COMP TYPE STRING,
SRCDOC_LOGSYS TYPE STRING,
SRCDOC_TYPE TYPE STRING,
SRCDOC_ID TYPE STRING,
TIMESTAMP_UTC TYPE STRING,
CONDITION_TYPE TYPE STRING,
PL_ACCOUNT TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BETRH TYPE STRING,
HWAER TYPE STRING,
BETR2 TYPE STRING,
HWAE2 TYPE STRING,
BETR3 TYPE STRING,
HWAE3 TYPE STRING,
PERCENTAGE TYPE STRING,
STATISTIC TYPE STRING,
CATEGORY TYPE STRING,
MAIN_COND_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS_REVACC_INVCOND_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_CRMS_REVACC_INVCOND_STR-SRCDOC_COMP sy-vline 
WA_CRMS_REVACC_INVCOND_STR-SRCDOC_LOGSYS sy-vline 
WA_CRMS_REVACC_INVCOND_STR-SRCDOC_TYPE sy-vline 
WA_CRMS_REVACC_INVCOND_STR-SRCDOC_ID sy-vline 
WA_CRMS_REVACC_INVCOND_STR-TIMESTAMP_UTC sy-vline 
WA_CRMS_REVACC_INVCOND_STR-CONDITION_TYPE sy-vline 
WA_CRMS_REVACC_INVCOND_STR-PL_ACCOUNT sy-vline 
WA_CRMS_REVACC_INVCOND_STR-BETRW sy-vline 
WA_CRMS_REVACC_INVCOND_STR-WAERS sy-vline 
WA_CRMS_REVACC_INVCOND_STR-BETRH sy-vline 
WA_CRMS_REVACC_INVCOND_STR-HWAER sy-vline 
WA_CRMS_REVACC_INVCOND_STR-BETR2 sy-vline 
WA_CRMS_REVACC_INVCOND_STR-HWAE2 sy-vline 
WA_CRMS_REVACC_INVCOND_STR-BETR3 sy-vline 
WA_CRMS_REVACC_INVCOND_STR-HWAE3 sy-vline 
WA_CRMS_REVACC_INVCOND_STR-PERCENTAGE sy-vline 
WA_CRMS_REVACC_INVCOND_STR-STATISTIC sy-vline 
WA_CRMS_REVACC_INVCOND_STR-CATEGORY sy-vline 
WA_CRMS_REVACC_INVCOND_STR-MAIN_COND_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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