ABAP Select data from SAP table EISU_IL_BI_INST_FACT_OPVA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EISU_IL_BI_INST_FACT_OPVA
*  INTO TABLE @DATA(IT_EISU_IL_BI_INST_FACT_OPVA2).
*--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_EISU_IL_BI_INST_FACT_OPVA INDEX 1 INTO DATA(WA_EISU_IL_BI_INST_FACT_OPVA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EISU_IL_BI_INST_FACT_OPVA>-ANLAGE = 1.
<EISU_IL_BI_INST_FACT_OPVA>-OPERAND = 1.
<EISU_IL_BI_INST_FACT_OPVA>-SAISON = 1.
<EISU_IL_BI_INST_FACT_OPVA>-AB = 1.
<EISU_IL_BI_INST_FACT_OPVA>-BIS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EISU_IL_BI_INST_FACT_OPVA-TWAERS, sy-vline,
  WA_EISU_IL_BI_INST_FACT_OPVA-VONZONE, sy-vline,
  WA_EISU_IL_BI_INST_FACT_OPVA-BISZONE, sy-vline,
  WA_EISU_IL_BI_INST_FACT_OPVA-ERSATZWERT, sy-vline,
  WA_EISU_IL_BI_INST_FACT_OPVA-MANAEND, sy-vline,
  WA_EISU_IL_BI_INST_FACT_OPVA-BETRAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EISU_IL_BI_INST_FACT_OPVA 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_EISU_IL_BI_INST_FACT_OPVA 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_EISU_IL_BI_INST_FACT_OPVA INTO WA_EISU_IL_BI_INST_FACT_OPVA.


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

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

*Conversion exit CUNIT, internal->external for field MASS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EISU_IL_BI_INST_FACT_OPVA-MASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EISU_IL_BI_INST_FACT_OPVA-MASS.
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_EISU_IL_BI_INST_FACT_OPVA_STR, 
ANLAGE TYPE STRING,
OPERAND TYPE STRING,
SAISON TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
TWAERS TYPE STRING,
VONZONE TYPE STRING,
BISZONE TYPE STRING,
ERSATZWERT TYPE STRING,
MANAEND TYPE STRING,
BETRAG TYPE STRING,
WAERS TYPE STRING,
TARIFART TYPE STRING,
KONDIGR TYPE STRING,
MAUSZUG TYPE STRING,
INAKTIV TYPE STRING,
BELNR TYPE STRING,
PREISTYP TYPE STRING,
PREISART TYPE STRING,
PREISTUF TYPE STRING,
MASS TYPE STRING,
VALUE_1 TYPE STRING,
VALUE_2 TYPE STRING,
VALUE_3 TYPE STRING,
VALUE_4 TYPE STRING,
VALUE_5 TYPE STRING,
VALUE_1_DESCR TYPE STRING,
VALUE_2_DESCR TYPE STRING,
VALUE_3_DESCR TYPE STRING,
VALUE_4_DESCR TYPE STRING,
VALUE_5_DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EISU_IL_BI_INST_FACT_OPVA_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_EISU_IL_BI_INST_FACT_OPVA_STR-ANLAGE sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-OPERAND sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-SAISON sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-AB sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-BIS sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-TWAERS sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VONZONE sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-BISZONE sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-ERSATZWERT sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-MANAEND sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-BETRAG sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-WAERS sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-TARIFART sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-KONDIGR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-MAUSZUG sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-INAKTIV sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-BELNR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-PREISTYP sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-PREISART sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-PREISTUF sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-MASS sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_1 sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_2 sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_3 sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_4 sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_5 sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_1_DESCR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_2_DESCR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_3_DESCR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_4_DESCR sy-vline 
WA_EISU_IL_BI_INST_FACT_OPVA_STR-VALUE_5_DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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