ABAP Select data from SAP table RESCC_SCKEY_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESCC_SCKEY_X
*  INTO TABLE @DATA(IT_RESCC_SCKEY_X2).
*--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_RESCC_SCKEY_X INDEX 1 INTO DATA(WA_RESCC_SCKEY_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESCC_SCKEY_X>-MANDT = 1.
<RESCC_SCKEY_X>-SNKSL = 1.
<RESCC_SCKEY_X>-COST_INDICATOR = 1.
<RESCC_SCKEY_X>-IS_APPORTIONABLE = 1.
<RESCC_SCKEY_X>-ONLY_COMMERCIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESCC_SCKEY_X-USE_HEATDAYS, sy-vline,
  WA_RESCC_SCKEY_X-DIRECTCOSTID, sy-vline,
  WA_RESCC_SCKEY_X-CREDITGLACCSYMB, sy-vline,
  WA_RESCC_SCKEY_X-MEAS, sy-vline,
  WA_RESCC_SCKEY_X-SETTLVARIANT, sy-vline,
  WA_RESCC_SCKEY_X-HOW_DISTRIBUTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESCC_SCKEY_X 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_RESCC_SCKEY_X 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_RESCC_SCKEY_X INTO WA_RESCC_SCKEY_X.


*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 SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESCC_SCKEY_X-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESCC_SCKEY_X-SNKSL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RESCC_SCKEY_X-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESCC_SCKEY_X-SPRAS.
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_RESCC_SCKEY_X_STR, 
MANDT TYPE STRING,
SNKSL TYPE STRING,
COST_INDICATOR TYPE STRING,
IS_APPORTIONABLE TYPE STRING,
ONLY_COMMERCIAL TYPE STRING,
USE_HEATDAYS TYPE STRING,
DIRECTCOSTID TYPE STRING,
CREDITGLACCSYMB TYPE STRING,
MEAS TYPE STRING,
SETTLVARIANT TYPE STRING,
HOW_DISTRIBUTE TYPE STRING,
SCKEYPROCIND TYPE STRING,
SCKEYGRP TYPE STRING,
CUEXCLUDEASSIGN TYPE STRING,
SPRAS TYPE STRING,
XSCKEY TYPE STRING,
XSSCKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESCC_SCKEY_X_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_RESCC_SCKEY_X_STR-MANDT sy-vline 
WA_RESCC_SCKEY_X_STR-SNKSL sy-vline 
WA_RESCC_SCKEY_X_STR-COST_INDICATOR sy-vline 
WA_RESCC_SCKEY_X_STR-IS_APPORTIONABLE sy-vline 
WA_RESCC_SCKEY_X_STR-ONLY_COMMERCIAL sy-vline 
WA_RESCC_SCKEY_X_STR-USE_HEATDAYS sy-vline 
WA_RESCC_SCKEY_X_STR-DIRECTCOSTID sy-vline 
WA_RESCC_SCKEY_X_STR-CREDITGLACCSYMB sy-vline 
WA_RESCC_SCKEY_X_STR-MEAS sy-vline 
WA_RESCC_SCKEY_X_STR-SETTLVARIANT sy-vline 
WA_RESCC_SCKEY_X_STR-HOW_DISTRIBUTE sy-vline 
WA_RESCC_SCKEY_X_STR-SCKEYPROCIND sy-vline 
WA_RESCC_SCKEY_X_STR-SCKEYGRP sy-vline 
WA_RESCC_SCKEY_X_STR-CUEXCLUDEASSIGN sy-vline 
WA_RESCC_SCKEY_X_STR-SPRAS sy-vline 
WA_RESCC_SCKEY_X_STR-XSCKEY sy-vline 
WA_RESCC_SCKEY_X_STR-XSSCKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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