ABAP Select data from SAP table CNV_PE_S_FIAA_ANLA_AFABE_VAL_W into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNV_PE_S_FIAA_ANLA_AFABE_VAL_W
*  INTO TABLE @DATA(IT_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W2).
*--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_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W INDEX 1 INTO DATA(WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNV_PE_S_FIAA_ANLA_AFABE_VAL_W>-AFABE = 1.
<CNV_PE_S_FIAA_ANLA_AFABE_VAL_W>-RELEV_NEW = 1.
<CNV_PE_S_FIAA_ANLA_AFABE_VAL_W>-LNRAN_NEW = 1.
<CNV_PE_S_FIAA_ANLA_AFABE_VAL_W>-ANBTR_NEW = 1.
<CNV_PE_S_FIAA_ANLA_AFABE_VAL_W>-NAFAV_NEW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-SAFAV_NEW, sy-vline,
  WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-AAFAV_NEW, sy-vline,
  WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-MAFAV_NEW, sy-vline,
  WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-AUFNV_NEW, sy-vline,
  WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-AUFWV_NEW, sy-vline,
  WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W-INVZV_NEW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W 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_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W 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_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W INTO WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR, 
AFABE TYPE STRING,
RELEV_NEW TYPE STRING,
LNRAN_NEW TYPE STRING,
ANBTR_NEW TYPE STRING,
NAFAV_NEW TYPE STRING,
SAFAV_NEW TYPE STRING,
AAFAV_NEW TYPE STRING,
MAFAV_NEW TYPE STRING,
AUFNV_NEW TYPE STRING,
AUFWV_NEW TYPE STRING,
INVZV_NEW TYPE STRING,
AUFWL_NEW TYPE STRING,
INVZL_NEW TYPE STRING,
NAFAL_NEW TYPE STRING,
SAFAL_NEW TYPE STRING,
AAFAL_NEW TYPE STRING,
MAFAL_NEW TYPE STRING,
AUFNL_NEW TYPE STRING,
FAIRVALUE_NEW TYPE STRING,
RELEV_PAST TYPE STRING,
LNRAN_PAST TYPE STRING,
ANBTR_PAST TYPE STRING,
NAFAV_PAST TYPE STRING,
SAFAV_PAST TYPE STRING,
AAFAV_PAST TYPE STRING,
MAFAV_PAST TYPE STRING,
AUFNV_PAST TYPE STRING,
AUFWV_PAST TYPE STRING,
INVZV_PAST TYPE STRING,
AUFWL_PAST TYPE STRING,
INVZL_PAST TYPE STRING,
NAFAL_PAST TYPE STRING,
SAFAL_PAST TYPE STRING,
AAFAL_PAST TYPE STRING,
MAFAL_PAST TYPE STRING,
AUFNL_PAST TYPE STRING,
FAIRVALUE_PAST TYPE STRING,
WAERS TYPE STRING,
CURTP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_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_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AFABE sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-RELEV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-LNRAN_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-ANBTR_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-NAFAV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-SAFAV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AAFAV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-MAFAV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFNV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFWV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-INVZV_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFWL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-INVZL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-NAFAL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-SAFAL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AAFAL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-MAFAL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFNL_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-FAIRVALUE_NEW sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-RELEV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-LNRAN_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-ANBTR_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-NAFAV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-SAFAV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AAFAV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-MAFAV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFNV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFWV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-INVZV_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFWL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-INVZL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-NAFAL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-SAFAL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AAFAL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-MAFAL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-AUFNL_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-FAIRVALUE_PAST sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-WAERS sy-vline 
WA_CNV_PE_S_FIAA_ANLA_AFABE_VAL_W_STR-CURTP sy-vline      INTO ld_text SEPARATED BY SPACE.

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