ABAP Select data from SAP table PCO_FIA_EPS 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_EPS 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_EPS. 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_EPS 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_EPS TYPE STANDARD TABLE OF PCO_FIA_EPS,
      WA_PCO_FIA_EPS TYPE PCO_FIA_EPS,
      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_EPS> TYPE PCO_FIA_EPS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_FIA_EPS
*  INTO TABLE @DATA(IT_PCO_FIA_EPS2).
*--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_EPS INDEX 1 INTO DATA(WA_PCO_FIA_EPS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_FIA_EPS-BTIBS, sy-vline,
  WA_PCO_FIA_EPS-BTEPS, sy-vline,
  WA_PCO_FIA_EPS-BTUPC, sy-vline,
  WA_PCO_FIA_EPS-NAIGE, sy-vline,
  WA_PCO_FIA_EPS-BTIGE, sy-vline,
  WA_PCO_FIA_EPS-NALMA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_FIA_EPS 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_EPS 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_EPS INTO WA_PCO_FIA_EPS.


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

*Conversion exit ALPHA, internal->external for field ESEPS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCO_FIA_EPS-ESEPS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCO_FIA_EPS-ESEPS.
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_EPS_STR, 
IDREG TYPE STRING,
SEQNR TYPE STRING,
ENEPS TYPE STRING,
NITNR TYPE STRING,
DIGNR TYPE STRING,
BTIBS TYPE STRING,
BTEPS TYPE STRING,
BTUPC TYPE STRING,
NAIGE TYPE STRING,
BTIGE TYPE STRING,
NALMA TYPE STRING,
BTLMA TYPE STRING,
BTVNA TYPE STRING,
DYSMO TYPE STRING,
BTIDM TYPE STRING,
BTIMU TYPE STRING,
BTSAC TYPE STRING,
BTSAU TYPE STRING,
NASPA TYPE STRING,
BTSPA TYPE STRING,
BTSPU TYPE STRING,
BTTAP TYPE STRING,
BTTPU TYPE STRING,
BTTPA TYPE STRING,
BTFSG TYPE STRING,
NREMP TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
BRANC TYPE STRING,
ESEPS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_FIA_EPS_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_EPS_STR-IDREG sy-vline 
WA_PCO_FIA_EPS_STR-SEQNR sy-vline 
WA_PCO_FIA_EPS_STR-ENEPS sy-vline 
WA_PCO_FIA_EPS_STR-NITNR sy-vline 
WA_PCO_FIA_EPS_STR-DIGNR sy-vline 
WA_PCO_FIA_EPS_STR-BTIBS sy-vline 
WA_PCO_FIA_EPS_STR-BTEPS sy-vline 
WA_PCO_FIA_EPS_STR-BTUPC sy-vline 
WA_PCO_FIA_EPS_STR-NAIGE sy-vline 
WA_PCO_FIA_EPS_STR-BTIGE sy-vline 
WA_PCO_FIA_EPS_STR-NALMA sy-vline 
WA_PCO_FIA_EPS_STR-BTLMA sy-vline 
WA_PCO_FIA_EPS_STR-BTVNA sy-vline 
WA_PCO_FIA_EPS_STR-DYSMO sy-vline 
WA_PCO_FIA_EPS_STR-BTIDM sy-vline 
WA_PCO_FIA_EPS_STR-BTIMU sy-vline 
WA_PCO_FIA_EPS_STR-BTSAC sy-vline 
WA_PCO_FIA_EPS_STR-BTSAU sy-vline 
WA_PCO_FIA_EPS_STR-NASPA sy-vline 
WA_PCO_FIA_EPS_STR-BTSPA sy-vline 
WA_PCO_FIA_EPS_STR-BTSPU sy-vline 
WA_PCO_FIA_EPS_STR-BTTAP sy-vline 
WA_PCO_FIA_EPS_STR-BTTPU sy-vline 
WA_PCO_FIA_EPS_STR-BTTPA sy-vline 
WA_PCO_FIA_EPS_STR-BTFSG sy-vline 
WA_PCO_FIA_EPS_STR-NREMP sy-vline 
WA_PCO_FIA_EPS_STR-WAERS sy-vline 
WA_PCO_FIA_EPS_STR-BUKRS sy-vline 
WA_PCO_FIA_EPS_STR-BRANC sy-vline 
WA_PCO_FIA_EPS_STR-ESEPS sy-vline      INTO ld_text SEPARATED BY SPACE.

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