ABAP Select data from SAP table PCO_FIA_AFP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_FIA_AFP
*  INTO TABLE @DATA(IT_PCO_FIA_AFP2).
*--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_PCO_FIA_AFP INDEX 1 INTO DATA(WA_PCO_FIA_AFP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCO_FIA_AFP>-IDREG = 1.
<PCO_FIA_AFP>-SEQNR = 1.
<PCO_FIA_AFP>-ENAFP = 1.
<PCO_FIA_AFP>-NITNR = 1.
<PCO_FIA_AFP>-DIGNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_FIA_AFP-BTAFP, sy-vline,
  WA_PCO_FIA_AFP-BTAVP, sy-vline,
  WA_PCO_FIA_AFP-BTAVB, sy-vline,
  WA_PCO_FIA_AFP-BTFSS, sy-vline,
  WA_PCO_FIA_AFP-BTSUB, sy-vline,
  WA_PCO_FIA_AFP-DYSMO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_FIA_AFP 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_PCO_FIA_AFP 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_PCO_FIA_AFP INTO WA_PCO_FIA_AFP.


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

*Conversion exit ALPHA, internal->external for field ESAFP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCO_FIA_AFP-ESAFP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCO_FIA_AFP-ESAFP.
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_PCO_FIA_AFP_STR, 
IDREG TYPE STRING,
SEQNR TYPE STRING,
ENAFP TYPE STRING,
NITNR TYPE STRING,
DIGNR TYPE STRING,
BTAFP TYPE STRING,
BTAVP TYPE STRING,
BTAVB TYPE STRING,
BTFSS TYPE STRING,
BTSUB TYPE STRING,
DYSMO TYPE STRING,
BTIDM TYPE STRING,
BTIMF TYPE STRING,
BTIMFB TYPE STRING,
BTTAP TYPE STRING,
NREMP TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
BRANC TYPE STRING,
ESAFP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_FIA_AFP_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_PCO_FIA_AFP_STR-IDREG sy-vline 
WA_PCO_FIA_AFP_STR-SEQNR sy-vline 
WA_PCO_FIA_AFP_STR-ENAFP sy-vline 
WA_PCO_FIA_AFP_STR-NITNR sy-vline 
WA_PCO_FIA_AFP_STR-DIGNR sy-vline 
WA_PCO_FIA_AFP_STR-BTAFP sy-vline 
WA_PCO_FIA_AFP_STR-BTAVP sy-vline 
WA_PCO_FIA_AFP_STR-BTAVB sy-vline 
WA_PCO_FIA_AFP_STR-BTFSS sy-vline 
WA_PCO_FIA_AFP_STR-BTSUB sy-vline 
WA_PCO_FIA_AFP_STR-DYSMO sy-vline 
WA_PCO_FIA_AFP_STR-BTIDM sy-vline 
WA_PCO_FIA_AFP_STR-BTIMF sy-vline 
WA_PCO_FIA_AFP_STR-BTIMFB sy-vline 
WA_PCO_FIA_AFP_STR-BTTAP sy-vline 
WA_PCO_FIA_AFP_STR-NREMP sy-vline 
WA_PCO_FIA_AFP_STR-WAERS sy-vline 
WA_PCO_FIA_AFP_STR-BUKRS sy-vline 
WA_PCO_FIA_AFP_STR-BRANC sy-vline 
WA_PCO_FIA_AFP_STR-ESAFP sy-vline      INTO ld_text SEPARATED BY SPACE.

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