ABAP Select data from SAP table FINST_SIF_RP_WL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINST_SIF_RP_WL
*  INTO TABLE @DATA(IT_FINST_SIF_RP_WL2).
*--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_FINST_SIF_RP_WL INDEX 1 INTO DATA(WA_FINST_SIF_RP_WL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINST_SIF_RP_WL>-RCLNT = 1.
<FINST_SIF_RP_WL>-PROJECT_ID = 1.
<FINST_SIF_RP_WL>-RBUKRS = 1.
<FINST_SIF_RP_WL>-BELNR = 1.
<FINST_SIF_RP_WL>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINST_SIF_RP_WL-RLDNR, sy-vline,
  WA_FINST_SIF_RP_WL-TLDNR, sy-vline,
  WA_FINST_SIF_RP_WL-AWTYP, sy-vline,
  WA_FINST_SIF_RP_WL-AWSYS, sy-vline,
  WA_FINST_SIF_RP_WL-AWORG, sy-vline,
  WA_FINST_SIF_RP_WL-AWREF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINST_SIF_RP_WL 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_FINST_SIF_RP_WL 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_FINST_SIF_RP_WL INTO WA_FINST_SIF_RP_WL.


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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field TGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINST_SIF_RP_WL-TGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINST_SIF_RP_WL-TGJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field TAWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINST_SIF_RP_WL-TAWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINST_SIF_RP_WL-TAWREF.
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_FINST_SIF_RP_WL_STR, 
RCLNT TYPE STRING,
PROJECT_ID TYPE STRING,
RBUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
RLDNR TYPE STRING,
TLDNR TYPE STRING,
AWTYP TYPE STRING,
AWSYS TYPE STRING,
AWORG TYPE STRING,
AWREF TYPE STRING,
BVORG TYPE STRING,
POPER TYPE STRING,
BSTAT TYPE STRING,
INTEGRATED TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
DOCTYPE TYPE STRING,
STATISTIC TYPE STRING,
STATUS TYPE STRING,
TBELNR TYPE STRING,
TGJAHR TYPE STRING,
TAWTYP TYPE STRING,
TAWSYS TYPE STRING,
TAWORG TYPE STRING,
TAWREF TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
UNAME_EXEC TYPE STRING,
CPUDT_EXEC TYPE STRING,
CPUTM_EXEC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINST_SIF_RP_WL_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_FINST_SIF_RP_WL_STR-RCLNT sy-vline 
WA_FINST_SIF_RP_WL_STR-PROJECT_ID sy-vline 
WA_FINST_SIF_RP_WL_STR-RBUKRS sy-vline 
WA_FINST_SIF_RP_WL_STR-BELNR sy-vline 
WA_FINST_SIF_RP_WL_STR-GJAHR sy-vline 
WA_FINST_SIF_RP_WL_STR-RLDNR sy-vline 
WA_FINST_SIF_RP_WL_STR-TLDNR sy-vline 
WA_FINST_SIF_RP_WL_STR-AWTYP sy-vline 
WA_FINST_SIF_RP_WL_STR-AWSYS sy-vline 
WA_FINST_SIF_RP_WL_STR-AWORG sy-vline 
WA_FINST_SIF_RP_WL_STR-AWREF sy-vline 
WA_FINST_SIF_RP_WL_STR-BVORG sy-vline 
WA_FINST_SIF_RP_WL_STR-POPER sy-vline 
WA_FINST_SIF_RP_WL_STR-BSTAT sy-vline 
WA_FINST_SIF_RP_WL_STR-INTEGRATED sy-vline 
WA_FINST_SIF_RP_WL_STR-CPUDT sy-vline 
WA_FINST_SIF_RP_WL_STR-CPUTM sy-vline 
WA_FINST_SIF_RP_WL_STR-DOCTYPE sy-vline 
WA_FINST_SIF_RP_WL_STR-STATISTIC sy-vline 
WA_FINST_SIF_RP_WL_STR-STATUS sy-vline 
WA_FINST_SIF_RP_WL_STR-TBELNR sy-vline 
WA_FINST_SIF_RP_WL_STR-TGJAHR sy-vline 
WA_FINST_SIF_RP_WL_STR-TAWTYP sy-vline 
WA_FINST_SIF_RP_WL_STR-TAWSYS sy-vline 
WA_FINST_SIF_RP_WL_STR-TAWORG sy-vline 
WA_FINST_SIF_RP_WL_STR-TAWREF sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGID sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGNO sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGTY sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGV1 sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGV2 sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGV3 sy-vline 
WA_FINST_SIF_RP_WL_STR-MSGV4 sy-vline 
WA_FINST_SIF_RP_WL_STR-UNAME_EXEC sy-vline 
WA_FINST_SIF_RP_WL_STR-CPUDT_EXEC sy-vline 
WA_FINST_SIF_RP_WL_STR-CPUTM_EXEC sy-vline      INTO ld_text SEPARATED BY SPACE.

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