ABAP Select data from SAP table RERAC_OP_ACT_X into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RERAC_OP_ACT_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 RERAC_OP_ACT_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 RERAC_OP_ACT_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_RERAC_OP_ACT_X TYPE STANDARD TABLE OF RERAC_OP_ACT_X,
      WA_RERAC_OP_ACT_X TYPE RERAC_OP_ACT_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: <RERAC_OP_ACT_X> TYPE RERAC_OP_ACT_X.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RERAC_OP_ACT_X
*  INTO TABLE @DATA(IT_RERAC_OP_ACT_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_RERAC_OP_ACT_X INDEX 1 INTO DATA(WA_RERAC_OP_ACT_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RERAC_OP_ACT_X>-MANDT = 1.
<RERAC_OP_ACT_X>-OPACT = 1.
<RERAC_OP_ACT_X>-ISACTIVE = 1.
<RERAC_OP_ACT_X>-OPACTGROUP = 1.
<RERAC_OP_ACT_X>-PDATEDEDUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RERAC_OP_ACT_X-DUEDATEDEDUCT, sy-vline,
  WA_RERAC_OP_ACT_X-OBJECTENTRY, sy-vline,
  WA_RERAC_OP_ACT_X-HASCUSTOMER, sy-vline,
  WA_RERAC_OP_ACT_X-CUSTDEDUCT, sy-vline,
  WA_RERAC_OP_ACT_X-HASVENDOR, sy-vline,
  WA_RERAC_OP_ACT_X-VENDDEDUCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RERAC_OP_ACT_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_RERAC_OP_ACT_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_RERAC_OP_ACT_X INTO WA_RERAC_OP_ACT_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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RERAC_OP_ACT_X-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERAC_OP_ACT_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_RERAC_OP_ACT_X_STR, 
MANDT TYPE STRING,
OPACT TYPE STRING,
ISACTIVE TYPE STRING,
OPACTGROUP TYPE STRING,
PDATEDEDUCT TYPE STRING,
DUEDATEDEDUCT TYPE STRING,
OBJECTENTRY TYPE STRING,
HASCUSTOMER TYPE STRING,
CUSTDEDUCT TYPE STRING,
HASVENDOR TYPE STRING,
VENDDEDUCT TYPE STRING,
SHSTRATVEND TYPE STRING,
INPUTPARTNER TYPE STRING,
HEADERTXT TYPE STRING,
GETCCDEFAULT TYPE STRING,
ISVALIDDEFCC TYPE STRING,
ISVALIDMGCC TYPE STRING,
ISVALIDCRCC TYPE STRING,
ISVALIDMNCC TYPE STRING,
ISVALIDCOACC TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
ALVVARIANT TYPE STRING,
PROCTDNAME TYPE STRING,
HOUSEBKID TYPE STRING,
BANKACCTID TYPE STRING,
TAXTYPEOPT TYPE STRING,
TAXGROUPOPT TYPE STRING,
TAXTYPENOOPT TYPE STRING,
TAXGROUPNOOPT TYPE STRING,
FSVARIANTBD TYPE STRING,
NETAMOUNTENTRY TYPE STRING,
SUPPRESSPOP TYPE STRING,
DISPLAYHEADER TYPE STRING,
SPRAS TYPE STRING,
XOPACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RERAC_OP_ACT_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_RERAC_OP_ACT_X_STR-MANDT sy-vline 
WA_RERAC_OP_ACT_X_STR-OPACT sy-vline 
WA_RERAC_OP_ACT_X_STR-ISACTIVE sy-vline 
WA_RERAC_OP_ACT_X_STR-OPACTGROUP sy-vline 
WA_RERAC_OP_ACT_X_STR-PDATEDEDUCT sy-vline 
WA_RERAC_OP_ACT_X_STR-DUEDATEDEDUCT sy-vline 
WA_RERAC_OP_ACT_X_STR-OBJECTENTRY sy-vline 
WA_RERAC_OP_ACT_X_STR-HASCUSTOMER sy-vline 
WA_RERAC_OP_ACT_X_STR-CUSTDEDUCT sy-vline 
WA_RERAC_OP_ACT_X_STR-HASVENDOR sy-vline 
WA_RERAC_OP_ACT_X_STR-VENDDEDUCT sy-vline 
WA_RERAC_OP_ACT_X_STR-SHSTRATVEND sy-vline 
WA_RERAC_OP_ACT_X_STR-INPUTPARTNER sy-vline 
WA_RERAC_OP_ACT_X_STR-HEADERTXT sy-vline 
WA_RERAC_OP_ACT_X_STR-GETCCDEFAULT sy-vline 
WA_RERAC_OP_ACT_X_STR-ISVALIDDEFCC sy-vline 
WA_RERAC_OP_ACT_X_STR-ISVALIDMGCC sy-vline 
WA_RERAC_OP_ACT_X_STR-ISVALIDCRCC sy-vline 
WA_RERAC_OP_ACT_X_STR-ISVALIDMNCC sy-vline 
WA_RERAC_OP_ACT_X_STR-ISVALIDCOACC sy-vline 
WA_RERAC_OP_ACT_X_STR-AMOUNT sy-vline 
WA_RERAC_OP_ACT_X_STR-CURRENCY sy-vline 
WA_RERAC_OP_ACT_X_STR-ALVVARIANT sy-vline 
WA_RERAC_OP_ACT_X_STR-PROCTDNAME sy-vline 
WA_RERAC_OP_ACT_X_STR-HOUSEBKID sy-vline 
WA_RERAC_OP_ACT_X_STR-BANKACCTID sy-vline 
WA_RERAC_OP_ACT_X_STR-TAXTYPEOPT sy-vline 
WA_RERAC_OP_ACT_X_STR-TAXGROUPOPT sy-vline 
WA_RERAC_OP_ACT_X_STR-TAXTYPENOOPT sy-vline 
WA_RERAC_OP_ACT_X_STR-TAXGROUPNOOPT sy-vline 
WA_RERAC_OP_ACT_X_STR-FSVARIANTBD sy-vline 
WA_RERAC_OP_ACT_X_STR-NETAMOUNTENTRY sy-vline 
WA_RERAC_OP_ACT_X_STR-SUPPRESSPOP sy-vline 
WA_RERAC_OP_ACT_X_STR-DISPLAYHEADER sy-vline 
WA_RERAC_OP_ACT_X_STR-SPRAS sy-vline 
WA_RERAC_OP_ACT_X_STR-XOPACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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