ABAP Select data from SAP table IPPMGHIDESECTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPPMGHIDESECTION
*  INTO TABLE @DATA(IT_IPPMGHIDESECTION2).
*--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_IPPMGHIDESECTION INDEX 1 INTO DATA(WA_IPPMGHIDESECTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPPMGHIDESECTION>-MANDT = 1.
<IPPMGHIDESECTION>-COMPANYCODE = 1.
<IPPMGHIDESECTION>-PREPAYMENTAGREEMENTTYPE = 1.
<IPPMGHIDESECTION>-PREPAYMENTCOMMLREFSCTNACTV = 1.
<IPPMGHIDESECTION>-PREPAYMENTDISTRIBUTIONSCTNACTV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPPMGHIDESECTION-PREPAYMENTDOCUMENTSSCTNACTV, sy-vline,
  WA_IPPMGHIDESECTION-PREPAYMENTINTRSTRATESCTNACTV, sy-vline,
  WA_IPPMGHIDESECTION-PREPAYMENTSURCHARGESCTNACTV, sy-vline,
  WA_IPPMGHIDESECTION-PREPAYMENTHARVESTSCTNACTV, sy-vline,
  WA_IPPMGHIDESECTION-PREPAYMENTHISTORYPRODNSCTNACTV, sy-vline,
  WA_IPPMGHIDESECTION-PREPAYMENTHISTORYSALESSCTNACTV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPPMGHIDESECTION 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_IPPMGHIDESECTION 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_IPPMGHIDESECTION INTO WA_IPPMGHIDESECTION.


*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_IPPMGHIDESECTION_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PREPAYMENTAGREEMENTTYPE TYPE STRING,
PREPAYMENTCOMMLREFSCTNACTV TYPE STRING,
PREPAYMENTDISTRIBUTIONSCTNACTV TYPE STRING,
PREPAYMENTDOCUMENTSSCTNACTV TYPE STRING,
PREPAYMENTINTRSTRATESCTNACTV TYPE STRING,
PREPAYMENTSURCHARGESCTNACTV TYPE STRING,
PREPAYMENTHARVESTSCTNACTV TYPE STRING,
PREPAYMENTHISTORYPRODNSCTNACTV TYPE STRING,
PREPAYMENTHISTORYSALESSCTNACTV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPPMGHIDESECTION_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_IPPMGHIDESECTION_STR-MANDT sy-vline 
WA_IPPMGHIDESECTION_STR-COMPANYCODE sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTAGREEMENTTYPE sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTCOMMLREFSCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTDISTRIBUTIONSCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTDOCUMENTSSCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTINTRSTRATESCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTSURCHARGESCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTHARVESTSCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTHISTORYPRODNSCTNACTV sy-vline 
WA_IPPMGHIDESECTION_STR-PREPAYMENTHISTORYSALESSCTNACTV sy-vline      INTO ld_text SEPARATED BY SPACE.

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