ABAP Select data from SAP table ISCHMLCMPLNCINFOMKTCMPLNCTP_DR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISCHMLCMPLNCINFOMKTCMPLNCTP_DR
*  INTO TABLE @DATA(IT_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR2).
*--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_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR INDEX 1 INTO DATA(WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISCHMLCMPLNCINFOMKTCMPLNCTP_DR>-CHMLCMPLNCMKTCMPLNCUUID = 1.
<ISCHMLCMPLNCINFOMKTCMPLNCTP_DR>-CHMLCMPLNCINFOUUID = 1.
<ISCHMLCMPLNCINFOMKTCMPLNCTP_DR>-CHMLCMPLNCMKTREQUUID = 1.
<ISCHMLCMPLNCINFOMKTCMPLNCTP_DR>-CREATIONUTCDATETIME = 1.
<ISCHMLCMPLNCINFOMKTCMPLNCTP_DR>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-LASTCHANGEUTCDATETIME, sy-vline,
  WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-LASTCHANGEDBYUSER, sy-vline,
  WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-COUNTRY, sy-vline,
  WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-CHMLCMPLNCPRODNISALLWD, sy-vline,
  WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-CHMLCMPLNCEXPRTISALLWD, sy-vline,
  WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR-CHMLCMPLNCIMPRTISALLWD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR 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_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR 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_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR INTO WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR.


*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_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR, 
CHMLCMPLNCMKTCMPLNCUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCMPLNCMKTREQUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
COUNTRY TYPE STRING,
CHMLCMPLNCPRODNISALLWD TYPE STRING,
CHMLCMPLNCEXPRTISALLWD TYPE STRING,
CHMLCMPLNCIMPRTISALLWD TYPE STRING,
CHMLCMPLNCSLSISALLWD TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_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_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCMKTCMPLNCUUID sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCMKTREQUUID sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CREATIONUTCDATETIME sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CREATEDBYUSER sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-COUNTRY sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCPRODNISALLWD sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCEXPRTISALLWD sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCIMPRTISALLWD sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-CHMLCMPLNCSLSISALLWD sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-ACTIVEUUID sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-HASACTIVEENTITY sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISCHMLCMPLNCINFOMKTCMPLNCTP_DR_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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