ABAP Select data from SAP table AEFMS_DLBUDG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AEFMS_DLBUDG
*  INTO TABLE @DATA(IT_AEFMS_DLBUDG2).
*--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_AEFMS_DLBUDG INDEX 1 INTO DATA(WA_AEFMS_DLBUDG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AEFMS_DLBUDG>-BUDCAT = 1.
<AEFMS_DLBUDG>-VERSION = 1.
<AEFMS_DLBUDG>-FISCYEAR = 1.
<AEFMS_DLBUDG>-FDCT = 1.
<AEFMS_DLBUDG>-CMIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AEFMS_DLBUDG-FUND, sy-vline,
  WA_AEFMS_DLBUDG-FNAR, sy-vline,
  WA_AEFMS_DLBUDG-FDPR, sy-vline,
  WA_AEFMS_DLBUDG-PROCESS, sy-vline,
  WA_AEFMS_DLBUDG-BUDTYPE, sy-vline,
  WA_AEFMS_DLBUDG-DOCNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AEFMS_DLBUDG 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_AEFMS_DLBUDG 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_AEFMS_DLBUDG INTO WA_AEFMS_DLBUDG.


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

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

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

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

*Conversion exit ALPHA, internal->external for field DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AEFMS_DLBUDG-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AEFMS_DLBUDG-DOCNR.
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_AEFMS_DLBUDG_STR, 
BUDCAT TYPE STRING,
VERSION TYPE STRING,
FISCYEAR TYPE STRING,
FDCT TYPE STRING,
CMIT TYPE STRING,
FUND TYPE STRING,
FNAR TYPE STRING,
FDPR TYPE STRING,
PROCESS TYPE STRING,
BUDTYPE TYPE STRING,
DOCNR TYPE STRING,
CHGDATE TYPE STRING,
DOCDATE TYPE STRING,
RESPPERS TYPE STRING,
VALTYPE TYPE STRING,
DOCTYPE TYPE STRING,
DOCSTATE TYPE STRING,
REVSTATE TYPE STRING,
DOCLN TYPE STRING,
AMLT TYPE STRING,
TEXT50 TYPE STRING,
LINE_TEXT TYPE STRING,
XBLNR TYPE STRING,
LCURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AEFMS_DLBUDG_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_AEFMS_DLBUDG_STR-BUDCAT sy-vline 
WA_AEFMS_DLBUDG_STR-VERSION sy-vline 
WA_AEFMS_DLBUDG_STR-FISCYEAR sy-vline 
WA_AEFMS_DLBUDG_STR-FDCT sy-vline 
WA_AEFMS_DLBUDG_STR-CMIT sy-vline 
WA_AEFMS_DLBUDG_STR-FUND sy-vline 
WA_AEFMS_DLBUDG_STR-FNAR sy-vline 
WA_AEFMS_DLBUDG_STR-FDPR sy-vline 
WA_AEFMS_DLBUDG_STR-PROCESS sy-vline 
WA_AEFMS_DLBUDG_STR-BUDTYPE sy-vline 
WA_AEFMS_DLBUDG_STR-DOCNR sy-vline 
WA_AEFMS_DLBUDG_STR-CHGDATE sy-vline 
WA_AEFMS_DLBUDG_STR-DOCDATE sy-vline 
WA_AEFMS_DLBUDG_STR-RESPPERS sy-vline 
WA_AEFMS_DLBUDG_STR-VALTYPE sy-vline 
WA_AEFMS_DLBUDG_STR-DOCTYPE sy-vline 
WA_AEFMS_DLBUDG_STR-DOCSTATE sy-vline 
WA_AEFMS_DLBUDG_STR-REVSTATE sy-vline 
WA_AEFMS_DLBUDG_STR-DOCLN sy-vline 
WA_AEFMS_DLBUDG_STR-AMLT sy-vline 
WA_AEFMS_DLBUDG_STR-TEXT50 sy-vline 
WA_AEFMS_DLBUDG_STR-LINE_TEXT sy-vline 
WA_AEFMS_DLBUDG_STR-XBLNR sy-vline 
WA_AEFMS_DLBUDG_STR-LCURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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