ABAP Select data from SAP table MCCONDIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MCCONDIT
*  INTO TABLE @DATA(IT_MCCONDIT2).
*--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_MCCONDIT INDEX 1 INTO DATA(WA_MCCONDIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MCCONDIT>-MANDT = 1.
<MCCONDIT>-WERKS = 1.
<MCCONDIT>-KSKRS = 1.
<MCCONDIT>-KASNR = 1.
<MCCONDIT>-BUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MCCONDIT-BONNR, sy-vline,
  WA_MCCONDIT-LFDNR, sy-vline,
  WA_MCCONDIT-EZEIT, sy-vline,
  WA_MCCONDIT-KSCHL, sy-vline,
  WA_MCCONDIT-PRSNLS, sy-vline,
  WA_MCCONDIT-SUPKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MCCONDIT 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_MCCONDIT 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_MCCONDIT INTO WA_MCCONDIT.


*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_MCCONDIT_STR, 
MANDT TYPE STRING,
WERKS TYPE STRING,
KSKRS TYPE STRING,
KASNR TYPE STRING,
BUDAT TYPE STRING,
BONNR TYPE STRING,
LFDNR TYPE STRING,
EZEIT TYPE STRING,
KSCHL TYPE STRING,
PRSNLS TYPE STRING,
SUPKZ TYPE STRING,
KZPOS TYPE STRING,
KKENN TYPE STRING,
ZMUMS TYPE STRING,
AZBON TYPE STRING,
ANZPOS TYPE STRING,
ANZCOND TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
KRFNR TYPE STRING,
BNKLZ TYPE STRING,
KTONR TYPE STRING,
CONDNR TYPE STRING,
UMSGVP TYPE STRING,
UMSGVO TYPE STRING,
UMSGVC TYPE STRING,
UMSGEO TYPE STRING,
PRVBT TYPE STRING,
UMSMNG TYPE STRING,
VKMNG TYPE STRING,
PDIFF TYPE STRING,
CONDID TYPE STRING,
BBYNR TYPE STRING,
PAYDIR TYPE STRING,
ZMTTL TYPE STRING,
TABIX TYPE STRING,
DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MCCONDIT_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_MCCONDIT_STR-MANDT sy-vline 
WA_MCCONDIT_STR-WERKS sy-vline 
WA_MCCONDIT_STR-KSKRS sy-vline 
WA_MCCONDIT_STR-KASNR sy-vline 
WA_MCCONDIT_STR-BUDAT sy-vline 
WA_MCCONDIT_STR-BONNR sy-vline 
WA_MCCONDIT_STR-LFDNR sy-vline 
WA_MCCONDIT_STR-EZEIT sy-vline 
WA_MCCONDIT_STR-KSCHL sy-vline 
WA_MCCONDIT_STR-PRSNLS sy-vline 
WA_MCCONDIT_STR-SUPKZ sy-vline 
WA_MCCONDIT_STR-KZPOS sy-vline 
WA_MCCONDIT_STR-KKENN sy-vline 
WA_MCCONDIT_STR-ZMUMS sy-vline 
WA_MCCONDIT_STR-AZBON sy-vline 
WA_MCCONDIT_STR-ANZPOS sy-vline 
WA_MCCONDIT_STR-ANZCOND sy-vline 
WA_MCCONDIT_STR-CCINS sy-vline 
WA_MCCONDIT_STR-CCNUM sy-vline 
WA_MCCONDIT_STR-KRFNR sy-vline 
WA_MCCONDIT_STR-BNKLZ sy-vline 
WA_MCCONDIT_STR-KTONR sy-vline 
WA_MCCONDIT_STR-CONDNR sy-vline 
WA_MCCONDIT_STR-UMSGVP sy-vline 
WA_MCCONDIT_STR-UMSGVO sy-vline 
WA_MCCONDIT_STR-UMSGVC sy-vline 
WA_MCCONDIT_STR-UMSGEO sy-vline 
WA_MCCONDIT_STR-PRVBT sy-vline 
WA_MCCONDIT_STR-UMSMNG sy-vline 
WA_MCCONDIT_STR-VKMNG sy-vline 
WA_MCCONDIT_STR-PDIFF sy-vline 
WA_MCCONDIT_STR-CONDID sy-vline 
WA_MCCONDIT_STR-BBYNR sy-vline 
WA_MCCONDIT_STR-PAYDIR sy-vline 
WA_MCCONDIT_STR-ZMTTL sy-vline 
WA_MCCONDIT_STR-TABIX sy-vline 
WA_MCCONDIT_STR-DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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