ABAP Select data from SAP table PFM_12EFA_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFM_12EFA_ALV 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 PFM_12EFA_ALV. 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 PFM_12EFA_ALV 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_PFM_12EFA_ALV TYPE STANDARD TABLE OF PFM_12EFA_ALV,
      WA_PFM_12EFA_ALV TYPE PFM_12EFA_ALV,
      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: <PFM_12EFA_ALV> TYPE PFM_12EFA_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFM_12EFA_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFM_12EFA_ALV
  INTO TABLE IT_PFM_12EFA_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFM_12EFA_ALV
*  INTO TABLE @DATA(IT_PFM_12EFA_ALV2).
*--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_PFM_12EFA_ALV INDEX 1 INTO DATA(WA_PFM_12EFA_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFM_12EFA_ALV ASSIGNING <PFM_12EFA_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFM_12EFA_ALV>-POS_D = 1.
<PFM_12EFA_ALV>-BELNR = 1.
<PFM_12EFA_ALV>-BLPOS = 1.
<PFM_12EFA_ALV>-GJAHR = 1.
<PFM_12EFA_ALV>-ANOAF = 1.

ENDLOOP.

LOOP AT IT_PFM_12EFA_ALV INTO WA_PFM_12EFA_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFM_12EFA_ALV-KBLNR, sy-vline,
  WA_PFM_12EFA_ALV-KBLPOS, sy-vline,
  WA_PFM_12EFA_ALV-LIFNR, sy-vline,
  WA_PFM_12EFA_ALV-KUNNR, sy-vline,
  WA_PFM_12EFA_ALV-KOSTL, sy-vline,
  WA_PFM_12EFA_ALV-AUFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFM_12EFA_ALV 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_PFM_12EFA_ALV 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_PFM_12EFA_ALV INTO WA_PFM_12EFA_ALV.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ANOAF
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-ANOAF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-ANOAF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-KBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-KBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CABIM_NEW
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-CABIM_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-CABIM_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NCOMP_NEW
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-NCOMP_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-NCOMP_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NAFUT_NEW
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-NAFUT_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-NAFUT_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_NEW
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-GJAHR_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-GJAHR_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DCFCH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-DCFCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-DCFCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ANFCH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-ANFCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-ANFCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DCABR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-DCABR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-DCABR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ANABR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_12EFA_ALV-ANABR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_12EFA_ALV-ANABR.
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_PFM_12EFA_ALV_STR, 
POS_D TYPE STRING,
BELNR TYPE STRING,
BLPOS TYPE STRING,
GJAHR TYPE STRING,
ANOAF TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PSPNR TYPE STRING,
GSBER TYPE STRING,
FISTL TYPE STRING,
FIPOS TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
DTVENC TYPE STRING,
VALOR TYPE STRING,
WAERS TYPE STRING,
VALOR_MI TYPE STRING,
XBLNR TYPE STRING,
CABIM_NEW TYPE STRING,
ITEMC_NEW TYPE STRING,
NCOMP_NEW TYPE STRING,
ICOMP_NEW TYPE STRING,
NAFUT_NEW TYPE STRING,
GJAHR_NEW TYPE STRING,
DCFCH TYPE STRING,
ANFCH TYPE STRING,
DCABR TYPE STRING,
ANABR TYPE STRING,
DCOMP TYPE STRING,
SUPTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFM_12EFA_ALV_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_PFM_12EFA_ALV_STR-POS_D sy-vline 
WA_PFM_12EFA_ALV_STR-BELNR sy-vline 
WA_PFM_12EFA_ALV_STR-BLPOS sy-vline 
WA_PFM_12EFA_ALV_STR-GJAHR sy-vline 
WA_PFM_12EFA_ALV_STR-ANOAF sy-vline 
WA_PFM_12EFA_ALV_STR-KBLNR sy-vline 
WA_PFM_12EFA_ALV_STR-KBLPOS sy-vline 
WA_PFM_12EFA_ALV_STR-LIFNR sy-vline 
WA_PFM_12EFA_ALV_STR-KUNNR sy-vline 
WA_PFM_12EFA_ALV_STR-KOSTL sy-vline 
WA_PFM_12EFA_ALV_STR-AUFNR sy-vline 
WA_PFM_12EFA_ALV_STR-PSPNR sy-vline 
WA_PFM_12EFA_ALV_STR-GSBER sy-vline 
WA_PFM_12EFA_ALV_STR-FISTL sy-vline 
WA_PFM_12EFA_ALV_STR-FIPOS sy-vline 
WA_PFM_12EFA_ALV_STR-GEBER sy-vline 
WA_PFM_12EFA_ALV_STR-FKBER sy-vline 
WA_PFM_12EFA_ALV_STR-DTVENC sy-vline 
WA_PFM_12EFA_ALV_STR-VALOR sy-vline 
WA_PFM_12EFA_ALV_STR-WAERS sy-vline 
WA_PFM_12EFA_ALV_STR-VALOR_MI sy-vline 
WA_PFM_12EFA_ALV_STR-XBLNR sy-vline 
WA_PFM_12EFA_ALV_STR-CABIM_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-ITEMC_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-NCOMP_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-ICOMP_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-NAFUT_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-GJAHR_NEW sy-vline 
WA_PFM_12EFA_ALV_STR-DCFCH sy-vline 
WA_PFM_12EFA_ALV_STR-ANFCH sy-vline 
WA_PFM_12EFA_ALV_STR-DCABR sy-vline 
WA_PFM_12EFA_ALV_STR-ANABR sy-vline 
WA_PFM_12EFA_ALV_STR-DCOMP sy-vline 
WA_PFM_12EFA_ALV_STR-SUPTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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