ABAP Select data from SAP table ISU_BI_MDATA_DEPEND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_BI_MDATA_DEPEND
*  INTO TABLE @DATA(IT_ISU_BI_MDATA_DEPEND2).
*--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_ISU_BI_MDATA_DEPEND INDEX 1 INTO DATA(WA_ISU_BI_MDATA_DEPEND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_BI_MDATA_DEPEND>-TARIFTYP = 1.
<ISU_BI_MDATA_DEPEND>-SCHEMANR = 1.
<ISU_BI_MDATA_DEPEND>-TARIFNR = 1.
<ISU_BI_MDATA_DEPEND>-ITARIFTYP = 1.
<ISU_BI_MDATA_DEPEND>-ISCHEMANR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_BI_MDATA_DEPEND-ITARIFNR, sy-vline,
  WA_ISU_BI_MDATA_DEPEND-IOPERAND, sy-vline,
  WA_ISU_BI_MDATA_DEPEND-IPREIS, sy-vline,
  WA_ISU_BI_MDATA_DEPEND-IPREISTUF, sy-vline,
  WA_ISU_BI_MDATA_DEPEND-IDISC, sy-vline,
  WA_ISU_BI_MDATA_DEPEND-IPREIGKL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_BI_MDATA_DEPEND 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_ISU_BI_MDATA_DEPEND 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_ISU_BI_MDATA_DEPEND INTO WA_ISU_BI_MDATA_DEPEND.


*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_ISU_BI_MDATA_DEPEND_STR, 
TARIFTYP TYPE STRING,
SCHEMANR TYPE STRING,
TARIFNR TYPE STRING,
ITARIFTYP TYPE STRING,
ISCHEMANR TYPE STRING,
ITARIFNR TYPE STRING,
IOPERAND TYPE STRING,
IPREIS TYPE STRING,
IPREISTUF TYPE STRING,
IDISC TYPE STRING,
IPREIGKL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_BI_MDATA_DEPEND_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_ISU_BI_MDATA_DEPEND_STR-TARIFTYP sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-SCHEMANR sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-TARIFNR sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-ITARIFTYP sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-ISCHEMANR sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-ITARIFNR sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-IOPERAND sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-IPREIS sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-IPREISTUF sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-IDISC sy-vline 
WA_ISU_BI_MDATA_DEPEND_STR-IPREIGKL sy-vline      INTO ld_text SEPARATED BY SPACE.

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