ABAP Select data from SAP table FAGL_EMU_S_KEY6 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGL_EMU_S_KEY6 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 FAGL_EMU_S_KEY6. 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 FAGL_EMU_S_KEY6 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_FAGL_EMU_S_KEY6 TYPE STANDARD TABLE OF FAGL_EMU_S_KEY6,
      WA_FAGL_EMU_S_KEY6 TYPE FAGL_EMU_S_KEY6,
      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: <FAGL_EMU_S_KEY6> TYPE FAGL_EMU_S_KEY6.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAGL_EMU_S_KEY6.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAGL_EMU_S_KEY6
  INTO TABLE IT_FAGL_EMU_S_KEY6.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_EMU_S_KEY6
*  INTO TABLE @DATA(IT_FAGL_EMU_S_KEY62).
*--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_FAGL_EMU_S_KEY6 INDEX 1 INTO DATA(WA_FAGL_EMU_S_KEY62).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAGL_EMU_S_KEY6 ASSIGNING <FAGL_EMU_S_KEY6>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_EMU_S_KEY6>-BELNR = 1.
<FAGL_EMU_S_KEY6>-GJAHR = 1.
<FAGL_EMU_S_KEY6>-BUZEI = 1.
<FAGL_EMU_S_KEY6>-LDGRP = 1.
<FAGL_EMU_S_KEY6>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_FAGL_EMU_S_KEY6 INTO WA_FAGL_EMU_S_KEY6.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_EMU_S_KEY6-HKONT, sy-vline,
  WA_FAGL_EMU_S_KEY6-AUGDT, sy-vline,
  WA_FAGL_EMU_S_KEY6-SHKZG, sy-vline,
  WA_FAGL_EMU_S_KEY6-PSWBT, sy-vline,
  WA_FAGL_EMU_S_KEY6-DMBTR, sy-vline,
  WA_FAGL_EMU_S_KEY6-DMBE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_EMU_S_KEY6 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_FAGL_EMU_S_KEY6 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_FAGL_EMU_S_KEY6 INTO WA_FAGL_EMU_S_KEY6.


*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_FAGL_EMU_S_KEY6-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field PSWBT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-PSWBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-PSWBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBE2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-DMBE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-DMBE2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBE3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_EMU_S_KEY6-DMBE3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_EMU_S_KEY6-DMBE3.
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_FAGL_EMU_S_KEY6_STR, 
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
LDGRP TYPE STRING,
BUDAT TYPE STRING,
HKONT TYPE STRING,
AUGDT TYPE STRING,
SHKZG TYPE STRING,
PSWBT TYPE STRING,
DMBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
SI_ENTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_EMU_S_KEY6_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_FAGL_EMU_S_KEY6_STR-BELNR sy-vline 
WA_FAGL_EMU_S_KEY6_STR-GJAHR sy-vline 
WA_FAGL_EMU_S_KEY6_STR-BUZEI sy-vline 
WA_FAGL_EMU_S_KEY6_STR-LDGRP sy-vline 
WA_FAGL_EMU_S_KEY6_STR-BUDAT sy-vline 
WA_FAGL_EMU_S_KEY6_STR-HKONT sy-vline 
WA_FAGL_EMU_S_KEY6_STR-AUGDT sy-vline 
WA_FAGL_EMU_S_KEY6_STR-SHKZG sy-vline 
WA_FAGL_EMU_S_KEY6_STR-PSWBT sy-vline 
WA_FAGL_EMU_S_KEY6_STR-DMBTR sy-vline 
WA_FAGL_EMU_S_KEY6_STR-DMBE2 sy-vline 
WA_FAGL_EMU_S_KEY6_STR-DMBE3 sy-vline 
WA_FAGL_EMU_S_KEY6_STR-SI_ENTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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