ABAP Select data from SAP table PFM_EPLCALV01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFM_EPLCALV01 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_EPLCALV01. 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_EPLCALV01 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_EPLCALV01 TYPE STANDARD TABLE OF PFM_EPLCALV01,
      WA_PFM_EPLCALV01 TYPE PFM_EPLCALV01,
      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_EPLCALV01> TYPE PFM_EPLCALV01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFM_EPLCALV01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFM_EPLCALV01
  INTO TABLE IT_PFM_EPLCALV01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFM_EPLCALV01
*  INTO TABLE @DATA(IT_PFM_EPLCALV012).
*--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_EPLCALV01 INDEX 1 INTO DATA(WA_PFM_EPLCALV012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFM_EPLCALV01 ASSIGNING <PFM_EPLCALV01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFM_EPLCALV01>-BELNR = 1.
<PFM_EPLCALV01>-BUZEI = 1.
<PFM_EPLCALV01>-GJAHR_DOC = 1.
<PFM_EPLCALV01>-BELNR_CLASS = 1.
<PFM_EPLCALV01>-BUZEI_CLASS = 1.

ENDLOOP.

LOOP AT IT_PFM_EPLCALV01 INTO WA_PFM_EPLCALV01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFM_EPLCALV01-GJAHR_CLASS, sy-vline,
  WA_PFM_EPLCALV01-TIPO_COMP, sy-vline,
  WA_PFM_EPLCALV01-TIPO_COMP_T, sy-vline,
  WA_PFM_EPLCALV01-GEBER_EXT, sy-vline,
  WA_PFM_EPLCALV01-GSBER, sy-vline,
  WA_PFM_EPLCALV01-FISTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFM_EPLCALV01 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_EPLCALV01 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_EPLCALV01 INTO WA_PFM_EPLCALV01.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_DOC
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-GJAHR_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-GJAHR_DOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_CLASS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-BELNR_CLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-BELNR_CLASS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_CLASS
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-GJAHR_CLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-GJAHR_CLASS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-FIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFM_EPLCALV01-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFM_EPLCALV01-LIFNR.
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_EPLCALV01_STR, 
BELNR TYPE STRING,
BUZEI TYPE STRING,
GJAHR_DOC TYPE STRING,
BELNR_CLASS TYPE STRING,
BUZEI_CLASS TYPE STRING,
GJAHR_CLASS TYPE STRING,
TIPO_COMP TYPE STRING,
TIPO_COMP_T TYPE STRING,
GEBER_EXT TYPE STRING,
GSBER TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
TIPO TYPE STRING,
TIPO_T TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
LIFNR TYPE STRING,
FDATK TYPE STRING,
HWFREE TYPE STRING,
HWFREE_EDIT TYPE STRING,
WAERS TYPE STRING,
XBLNR TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
FFIN TYPE STRING,
PROG TYPE STRING,
MEDI TYPE STRING,
PROJ TYPE STRING,
SUBPROJ TYPE STRING,
ACTI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFM_EPLCALV01_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_EPLCALV01_STR-BELNR sy-vline 
WA_PFM_EPLCALV01_STR-BUZEI sy-vline 
WA_PFM_EPLCALV01_STR-GJAHR_DOC sy-vline 
WA_PFM_EPLCALV01_STR-BELNR_CLASS sy-vline 
WA_PFM_EPLCALV01_STR-BUZEI_CLASS sy-vline 
WA_PFM_EPLCALV01_STR-GJAHR_CLASS sy-vline 
WA_PFM_EPLCALV01_STR-TIPO_COMP sy-vline 
WA_PFM_EPLCALV01_STR-TIPO_COMP_T sy-vline 
WA_PFM_EPLCALV01_STR-GEBER_EXT sy-vline 
WA_PFM_EPLCALV01_STR-GSBER sy-vline 
WA_PFM_EPLCALV01_STR-FISTL sy-vline 
WA_PFM_EPLCALV01_STR-FIPEX sy-vline 
WA_PFM_EPLCALV01_STR-TIPO sy-vline 
WA_PFM_EPLCALV01_STR-TIPO_T sy-vline 
WA_PFM_EPLCALV01_STR-GEBER sy-vline 
WA_PFM_EPLCALV01_STR-FKBER sy-vline 
WA_PFM_EPLCALV01_STR-LIFNR sy-vline 
WA_PFM_EPLCALV01_STR-FDATK sy-vline 
WA_PFM_EPLCALV01_STR-HWFREE sy-vline 
WA_PFM_EPLCALV01_STR-HWFREE_EDIT sy-vline 
WA_PFM_EPLCALV01_STR-WAERS sy-vline 
WA_PFM_EPLCALV01_STR-XBLNR sy-vline 
WA_PFM_EPLCALV01_STR-BUDAT sy-vline 
WA_PFM_EPLCALV01_STR-BLDAT sy-vline 
WA_PFM_EPLCALV01_STR-FFIN sy-vline 
WA_PFM_EPLCALV01_STR-PROG sy-vline 
WA_PFM_EPLCALV01_STR-MEDI sy-vline 
WA_PFM_EPLCALV01_STR-PROJ sy-vline 
WA_PFM_EPLCALV01_STR-SUBPROJ sy-vline 
WA_PFM_EPLCALV01_STR-ACTI sy-vline      INTO ld_text SEPARATED BY SPACE.

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