ABAP Select data from SAP table DMC_MC_PE_S_TA_UI_CP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DMC_MC_PE_S_TA_UI_CP
*  INTO TABLE @DATA(IT_DMC_MC_PE_S_TA_UI_CP2).
*--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_DMC_MC_PE_S_TA_UI_CP INDEX 1 INTO DATA(WA_DMC_MC_PE_S_TA_UI_CP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DMC_MC_PE_S_TA_UI_CP>-NAME = 1.
<DMC_MC_PE_S_TA_UI_CP>-POSITION = 1.
<DMC_MC_PE_S_TA_UI_CP>-RCV_EXE_DESCR = 1.
<DMC_MC_PE_S_TA_UI_CP>-AREA_ID = 1.
<DMC_MC_PE_S_TA_UI_CP>-ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DMC_MC_PE_S_TA_UI_CP-TYPE, sy-vline,
  WA_DMC_MC_PE_S_TA_UI_CP-TR_COND_ID, sy-vline,
  WA_DMC_MC_PE_S_TA_UI_CP-IF_MAP_ID, sy-vline,
  WA_DMC_MC_PE_S_TA_UI_CP-SEQNUM, sy-vline,
  WA_DMC_MC_PE_S_TA_UI_CP-STOP_SEQUENCE, sy-vline,
  WA_DMC_MC_PE_S_TA_UI_CP-RCV_EXE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DMC_MC_PE_S_TA_UI_CP 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_DMC_MC_PE_S_TA_UI_CP 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_DMC_MC_PE_S_TA_UI_CP INTO WA_DMC_MC_PE_S_TA_UI_CP.


*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_DMC_MC_PE_S_TA_UI_CP_STR, 
NAME TYPE STRING,
POSITION TYPE STRING,
RCV_EXE_DESCR TYPE STRING,
AREA_ID TYPE STRING,
ID TYPE STRING,
TYPE TYPE STRING,
TR_COND_ID TYPE STRING,
IF_MAP_ID TYPE STRING,
SEQNUM TYPE STRING,
STOP_SEQUENCE TYPE STRING,
RCV_EXE_ID TYPE STRING,
SND_EXE_ID TYPE STRING,
RCV_EXE_REQ TYPE STRING,
SND_EXE_REQ TYPE STRING,
SND_EXE_NAME TYPE STRING,
RCV_EXE_NAME TYPE STRING,
FILTER_NAME TYPE STRING,
SND_DISABLED TYPE STRING,
RCV_DISABLED TYPE STRING,
TR_COND_NAME TYPE STRING,
TR_COND_PAR TYPE STRING,
PMAP_ID TYPE STRING,
CELLS TYPE STRING,
RCV_EXE_NAME1 TYPE STRING,
TR_COND_NAME1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DMC_MC_PE_S_TA_UI_CP_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_DMC_MC_PE_S_TA_UI_CP_STR-NAME sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-POSITION sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_EXE_DESCR sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-AREA_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-TYPE sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-TR_COND_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-IF_MAP_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-SEQNUM sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-STOP_SEQUENCE sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_EXE_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-SND_EXE_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_EXE_REQ sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-SND_EXE_REQ sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-SND_EXE_NAME sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_EXE_NAME sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-FILTER_NAME sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-SND_DISABLED sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_DISABLED sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-TR_COND_NAME sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-TR_COND_PAR sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-PMAP_ID sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-CELLS sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-RCV_EXE_NAME1 sy-vline 
WA_DMC_MC_PE_S_TA_UI_CP_STR-TR_COND_NAME1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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