ABAP Select data from SAP table ACRITEMPROCSTEP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACRITEMPROCSTEP
*  INTO TABLE @DATA(IT_ACRITEMPROCSTEP2).
*--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_ACRITEMPROCSTEP INDEX 1 INTO DATA(WA_ACRITEMPROCSTEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACRITEMPROCSTEP>-MANDT = 1.
<ACRITEMPROCSTEP>-RETSMGMTPROCESS = 1.
<ACRITEMPROCSTEP>-RETSMGMTPROCESSITEM = 1.
<ACRITEMPROCSTEP>-RETSMGMTPROCITMQTYSPLIT = 1.
<ACRITEMPROCSTEP>-RETSMGMTPROCESSSTEP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACRITEMPROCSTEP-RETURNSDOCUMENTTYPE, sy-vline,
  WA_ACRITEMPROCSTEP-RETURNSDOCUMENT, sy-vline,
  WA_ACRITEMPROCSTEP-RETURNSDOCUMENTITEM, sy-vline,
  WA_ACRITEMPROCSTEP-RETURNSDOCUMENTSTATUS, sy-vline,
  WA_ACRITEMPROCSTEP-RETURNSDOCUMENTAPPROVALSTATUS, sy-vline,
  WA_ACRITEMPROCSTEP-RETURNSREFERENCEDOCUMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACRITEMPROCSTEP 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_ACRITEMPROCSTEP 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_ACRITEMPROCSTEP INTO WA_ACRITEMPROCSTEP.


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

*Conversion exit AUART, internal->external for field CUSTOMERRETURNTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ACRITEMPROCSTEP-CUSTOMERRETURNTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACRITEMPROCSTEP-CUSTOMERRETURNTYPE.
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_ACRITEMPROCSTEP_STR, 
MANDT TYPE STRING,
RETSMGMTPROCESS TYPE STRING,
RETSMGMTPROCESSITEM TYPE STRING,
RETSMGMTPROCITMQTYSPLIT TYPE STRING,
RETSMGMTPROCESSSTEP TYPE STRING,
RETURNSDOCUMENTTYPE TYPE STRING,
RETURNSDOCUMENT TYPE STRING,
RETURNSDOCUMENTITEM TYPE STRING,
RETURNSDOCUMENTSTATUS TYPE STRING,
RETURNSDOCUMENTAPPROVALSTATUS TYPE STRING,
RETURNSREFERENCEDOCUMENTTYPE TYPE STRING,
RETURNSREFERENCEDOCUMENT TYPE STRING,
RETURNSREFERENCEDOCUMENTITEM TYPE STRING,
RETSMGMTPROCSTEPEXECSTATUS TYPE STRING,
CUSTOMERRETURNTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACRITEMPROCSTEP_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_ACRITEMPROCSTEP_STR-MANDT sy-vline 
WA_ACRITEMPROCSTEP_STR-RETSMGMTPROCESS sy-vline 
WA_ACRITEMPROCSTEP_STR-RETSMGMTPROCESSITEM sy-vline 
WA_ACRITEMPROCSTEP_STR-RETSMGMTPROCITMQTYSPLIT sy-vline 
WA_ACRITEMPROCSTEP_STR-RETSMGMTPROCESSSTEP sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSDOCUMENTTYPE sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSDOCUMENT sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSDOCUMENTITEM sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSDOCUMENTSTATUS sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSDOCUMENTAPPROVALSTATUS sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSREFERENCEDOCUMENTTYPE sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSREFERENCEDOCUMENT sy-vline 
WA_ACRITEMPROCSTEP_STR-RETURNSREFERENCEDOCUMENTITEM sy-vline 
WA_ACRITEMPROCSTEP_STR-RETSMGMTPROCSTEPEXECSTATUS sy-vline 
WA_ACRITEMPROCSTEP_STR-CUSTOMERRETURNTYPE sy-vline 
WA_ACRITEMPROCSTEP_STR-ORGANIZATIONDIVISION sy-vline 
WA_ACRITEMPROCSTEP_STR-SALESORGANIZATION sy-vline 
WA_ACRITEMPROCSTEP_STR-DISTRIBUTIONCHANNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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