ABAP Select data from SAP table T5DCM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5DCM 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 T5DCM. 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 T5DCM 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_T5DCM TYPE STANDARD TABLE OF T5DCM,
      WA_T5DCM TYPE T5DCM,
      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: <T5DCM> TYPE T5DCM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5DCM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5DCM
  INTO TABLE IT_T5DCM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5DCM
*  INTO TABLE @DATA(IT_T5DCM2).
*--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_T5DCM INDEX 1 INTO DATA(WA_T5DCM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5DCM ASSIGNING <T5DCM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5DCM>-MANDT = 1.
<T5DCM>-ANTYP = 1.
<T5DCM>-ANSPR = 1.
<T5DCM>-MODBV = 1.
<T5DCM>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_T5DCM INTO WA_T5DCM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5DCM-BEGDA, sy-vline,
  WA_T5DCM-VRFKO, sy-vline,
  WA_T5DCM-FUVRT, sy-vline,
  WA_T5DCM-KZVFK, sy-vline,
  WA_T5DCM-VRFKZ, sy-vline,
  WA_T5DCM-IDBEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5DCM 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_T5DCM 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_T5DCM INTO WA_T5DCM.


*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_T5DCM_STR, 
MANDT TYPE STRING,
ANTYP TYPE STRING,
ANSPR TYPE STRING,
MODBV TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
VRFKO TYPE STRING,
FUVRT TYPE STRING,
KZVFK TYPE STRING,
VRFKZ TYPE STRING,
IDBEI TYPE STRING,
SPBAS TYPE STRING,
IDBAA TYPE STRING,
IDBEA TYPE STRING,
BEIMI TYPE STRING,
BEIMA TYPE STRING,
AGKON TYPE STRING,
ANKON TYPE STRING,
RDBAS TYPE STRING,
RDVBA TYPE STRING,
BASHK TYPE STRING,
RDBEI TYPE STRING,
RDVBE TYPE STRING,
LGAAG TYPE STRING,
LGFAG TYPE STRING,
LGAAN TYPE STRING,
LEANA TYPE STRING,
LGFAN TYPE STRING,
LFANA TYPE STRING,
LGATG TYPE STRING,
LGBAB TYPE STRING,
BEGMM TYPE STRING,
ANZMM TYPE STRING,
BBZRM TYPE STRING,
IDBAZ TYPE STRING,
KZATM TYPE STRING,
KZJIN TYPE STRING,
IDVER TYPE STRING,
LGKAN TYPE STRING,
LKFAN TYPE STRING,
BEGMO TYPE STRING,
ANZJA TYPE STRING,
LGCAN TYPE STRING,
LGCAG TYPE STRING,
LGCAT TYPE STRING,
LGGEV TYPE STRING,
LGEIN TYPE STRING,
LGLFD TYPE STRING,
FKFAK TYPE STRING,
LGDEK TYPE STRING,
DIRAB TYPE STRING,
KNZST TYPE STRING,
VRFAG TYPE STRING,
VRFAN TYPE STRING,
BEKAN TYPE STRING,
BEGAG TYPE STRING,
LGABS TYPE STRING,
LGABP TYPE STRING,
KGPRZ TYPE STRING,
PLART TYPE STRING,
NVAEG TYPE STRING,
FP100 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5DCM_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_T5DCM_STR-MANDT sy-vline 
WA_T5DCM_STR-ANTYP sy-vline 
WA_T5DCM_STR-ANSPR sy-vline 
WA_T5DCM_STR-MODBV sy-vline 
WA_T5DCM_STR-ENDDA sy-vline 
WA_T5DCM_STR-BEGDA sy-vline 
WA_T5DCM_STR-VRFKO sy-vline 
WA_T5DCM_STR-FUVRT sy-vline 
WA_T5DCM_STR-KZVFK sy-vline 
WA_T5DCM_STR-VRFKZ sy-vline 
WA_T5DCM_STR-IDBEI sy-vline 
WA_T5DCM_STR-SPBAS sy-vline 
WA_T5DCM_STR-IDBAA sy-vline 
WA_T5DCM_STR-IDBEA sy-vline 
WA_T5DCM_STR-BEIMI sy-vline 
WA_T5DCM_STR-BEIMA sy-vline 
WA_T5DCM_STR-AGKON sy-vline 
WA_T5DCM_STR-ANKON sy-vline 
WA_T5DCM_STR-RDBAS sy-vline 
WA_T5DCM_STR-RDVBA sy-vline 
WA_T5DCM_STR-BASHK sy-vline 
WA_T5DCM_STR-RDBEI sy-vline 
WA_T5DCM_STR-RDVBE sy-vline 
WA_T5DCM_STR-LGAAG sy-vline 
WA_T5DCM_STR-LGFAG sy-vline 
WA_T5DCM_STR-LGAAN sy-vline 
WA_T5DCM_STR-LEANA sy-vline 
WA_T5DCM_STR-LGFAN sy-vline 
WA_T5DCM_STR-LFANA sy-vline 
WA_T5DCM_STR-LGATG sy-vline 
WA_T5DCM_STR-LGBAB sy-vline 
WA_T5DCM_STR-BEGMM sy-vline 
WA_T5DCM_STR-ANZMM sy-vline 
WA_T5DCM_STR-BBZRM sy-vline 
WA_T5DCM_STR-IDBAZ sy-vline 
WA_T5DCM_STR-KZATM sy-vline 
WA_T5DCM_STR-KZJIN sy-vline 
WA_T5DCM_STR-IDVER sy-vline 
WA_T5DCM_STR-LGKAN sy-vline 
WA_T5DCM_STR-LKFAN sy-vline 
WA_T5DCM_STR-BEGMO sy-vline 
WA_T5DCM_STR-ANZJA sy-vline 
WA_T5DCM_STR-LGCAN sy-vline 
WA_T5DCM_STR-LGCAG sy-vline 
WA_T5DCM_STR-LGCAT sy-vline 
WA_T5DCM_STR-LGGEV sy-vline 
WA_T5DCM_STR-LGEIN sy-vline 
WA_T5DCM_STR-LGLFD sy-vline 
WA_T5DCM_STR-FKFAK sy-vline 
WA_T5DCM_STR-LGDEK sy-vline 
WA_T5DCM_STR-DIRAB sy-vline 
WA_T5DCM_STR-KNZST sy-vline 
WA_T5DCM_STR-VRFAG sy-vline 
WA_T5DCM_STR-VRFAN sy-vline 
WA_T5DCM_STR-BEKAN sy-vline 
WA_T5DCM_STR-BEGAG sy-vline 
WA_T5DCM_STR-LGABS sy-vline 
WA_T5DCM_STR-LGABP sy-vline 
WA_T5DCM_STR-KGPRZ sy-vline 
WA_T5DCM_STR-PLART sy-vline 
WA_T5DCM_STR-NVAEG sy-vline 
WA_T5DCM_STR-FP100 sy-vline      INTO ld_text SEPARATED BY SPACE.

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