ABAP Select data from SAP table DMEE_MCSH_AUSZUG_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DMEE_MCSH_AUSZUG_I
*  INTO TABLE @DATA(IT_DMEE_MCSH_AUSZUG_I2).
*--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_DMEE_MCSH_AUSZUG_I INDEX 1 INTO DATA(WA_DMEE_MCSH_AUSZUG_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DMEE_MCSH_AUSZUG_I>-BANKY = 1.
<DMEE_MCSH_AUSZUG_I>-KTONR = 1.
<DMEE_MCSH_AUSZUG_I>-AZNUM = 1.
<DMEE_MCSH_AUSZUG_I>-AZDAT = 1.
<DMEE_MCSH_AUSZUG_I>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DMEE_MCSH_AUSZUG_I-SSALD, sy-vline,
  WA_DMEE_MCSH_AUSZUG_I-SUMSO, sy-vline,
  WA_DMEE_MCSH_AUSZUG_I-SUMHA, sy-vline,
  WA_DMEE_MCSH_AUSZUG_I-ESALD, sy-vline,
  WA_DMEE_MCSH_AUSZUG_I-INHAB, sy-vline,
  WA_DMEE_MCSH_AUSZUG_I-KTOBZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DMEE_MCSH_AUSZUG_I 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_DMEE_MCSH_AUSZUG_I 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_DMEE_MCSH_AUSZUG_I INTO WA_DMEE_MCSH_AUSZUG_I.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DMEE_MCSH_AUSZUG_I_STR, 
BANKY TYPE STRING,
KTONR TYPE STRING,
AZNUM TYPE STRING,
AZDAT TYPE STRING,
WAERS TYPE STRING,
SSALD TYPE STRING,
SUMSO TYPE STRING,
SUMHA TYPE STRING,
ESALD TYPE STRING,
INHAB TYPE STRING,
KTOBZ TYPE STRING,
BLAUF TYPE STRING,
ELAUF TYPE STRING,
HZINS TYPE STRING,
KOART TYPE STRING,
KTOKL TYPE STRING,
UPDAT TYPE STRING,
ANZUM TYPE STRING,
DMEE_RELNUM TYPE STRING,
TRAILER_001 TYPE STRING,
TRAILER_INT_001 TYPE STRING,
TRAILER_002 TYPE STRING,
TRAILER_INT_002 TYPE STRING,
TRAILER_003 TYPE STRING,
TRAILER_INT_003 TYPE STRING,
TRAILER_004 TYPE STRING,
TRAILER_INT_004 TYPE STRING,
TRAILER_005 TYPE STRING,
TRAILER_INT_005 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DMEE_MCSH_AUSZUG_I_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_DMEE_MCSH_AUSZUG_I_STR-BANKY sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-KTONR sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-AZNUM sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-AZDAT sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-WAERS sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-SSALD sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-SUMSO sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-SUMHA sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-ESALD sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-INHAB sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-KTOBZ sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-BLAUF sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-ELAUF sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-HZINS sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-KOART sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-KTOKL sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-UPDAT sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-ANZUM sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-DMEE_RELNUM sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_001 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_INT_001 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_002 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_INT_002 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_003 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_INT_003 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_004 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_INT_004 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_005 sy-vline 
WA_DMEE_MCSH_AUSZUG_I_STR-TRAILER_INT_005 sy-vline      INTO ld_text SEPARATED BY SPACE.

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