ABAP Select data from SAP table EWASSUBCNT_CONFIG_WDOW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWASSUBCNT_CONFIG_WDOW
*  INTO TABLE @DATA(IT_EWASSUBCNT_CONFIG_WDOW2).
*--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_EWASSUBCNT_CONFIG_WDOW INDEX 1 INTO DATA(WA_EWASSUBCNT_CONFIG_WDOW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EWASSUBCNT_CONFIG_WDOW>-CREATEDOCUMENTS = 1.
<EWASSUBCNT_CONFIG_WDOW>-CONTRACTREQUIRED = 1.
<EWASSUBCNT_CONFIG_WDOW>-PURCHASEDATE = 1.
<EWASSUBCNT_CONFIG_WDOW>-GOODSMVMTDATE = 1.
<EWASSUBCNT_CONFIG_WDOW>-ESART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EWASSUBCNT_CONFIG_WDOW-EKORG, sy-vline,
  WA_EWASSUBCNT_CONFIG_WDOW-EKGRP, sy-vline,
  WA_EWASSUBCNT_CONFIG_WDOW-BWART, sy-vline,
  WA_EWASSUBCNT_CONFIG_WDOW-CHR_INDEXPRICENAME, sy-vline,
  WA_EWASSUBCNT_CONFIG_WDOW-FOREIGNDETERMIN, sy-vline,
  WA_EWASSUBCNT_CONFIG_WDOW-AUTOCNTRSEARCH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EWASSUBCNT_CONFIG_WDOW 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_EWASSUBCNT_CONFIG_WDOW 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_EWASSUBCNT_CONFIG_WDOW INTO WA_EWASSUBCNT_CONFIG_WDOW.


*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 MATN1, internal->external for field PRE_SERVICEMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EWASSUBCNT_CONFIG_WDOW-PRE_SERVICEMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWASSUBCNT_CONFIG_WDOW-PRE_SERVICEMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_EWASSUBCNT_CONFIG_WDOW-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWASSUBCNT_CONFIG_WDOW-AUART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUARTCMR
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_EWASSUBCNT_CONFIG_WDOW-AUARTCMR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWASSUBCNT_CONFIG_WDOW-AUARTCMR.
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_EWASSUBCNT_CONFIG_WDOW_STR, 
CREATEDOCUMENTS TYPE STRING,
CONTRACTREQUIRED TYPE STRING,
PURCHASEDATE TYPE STRING,
GOODSMVMTDATE TYPE STRING,
ESART TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BWART TYPE STRING,
CHR_INDEXPRICENAME TYPE STRING,
FOREIGNDETERMIN TYPE STRING,
AUTOCNTRSEARCH TYPE STRING,
AUTOCNTRCHECK TYPE STRING,
PRE_WASTEMAT TYPE STRING,
PRE_SERVICEMAT TYPE STRING,
AUART TYPE STRING,
ABGRU TYPE STRING,
AUARTCMR TYPE STRING,
CHR_SELFPAYER TYPE STRING,
FLDTRANSFERCOND TYPE STRING,
FIELDNAME TYPE STRING,
SERVICE_TYPE_SD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWASSUBCNT_CONFIG_WDOW_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_EWASSUBCNT_CONFIG_WDOW_STR-CREATEDOCUMENTS sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-CONTRACTREQUIRED sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-PURCHASEDATE sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-GOODSMVMTDATE sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-ESART sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-EKORG sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-EKGRP sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-BWART sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-CHR_INDEXPRICENAME sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-FOREIGNDETERMIN sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-AUTOCNTRSEARCH sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-AUTOCNTRCHECK sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-PRE_WASTEMAT sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-PRE_SERVICEMAT sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-AUART sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-ABGRU sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-AUARTCMR sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-CHR_SELFPAYER sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-FLDTRANSFERCOND sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-FIELDNAME sy-vline 
WA_EWASSUBCNT_CONFIG_WDOW_STR-SERVICE_TYPE_SD sy-vline      INTO ld_text SEPARATED BY SPACE.

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