ABAP Select data from SAP table ISPREPAYMENTHISTORYSALESTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPREPAYMENTHISTORYSALESTP
*  INTO TABLE @DATA(IT_ISPREPAYMENTHISTORYSALESTP2).
*--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_ISPREPAYMENTHISTORYSALESTP INDEX 1 INTO DATA(WA_ISPREPAYMENTHISTORYSALESTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPREPAYMENTHISTORYSALESTP>-KEY = 1.
<ISPREPAYMENTHISTORYSALESTP>-PARENT_KEY = 1.
<ISPREPAYMENTHISTORYSALESTP>-ROOT_KEY = 1.
<ISPREPAYMENTHISTORYSALESTP>-PREPAYMENTHISTORYREGION = 1.
<ISPREPAYMENTHISTORYSALESTP>-PREPAYMENTHISTPLANTEDAREAQTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPREPAYMENTHISTORYSALESTP-PREPAYMENTHISTPLANTEDAREAUOM, sy-vline,
  WA_ISPREPAYMENTHISTORYSALESTP-CREATEDBYUSER, sy-vline,
  WA_ISPREPAYMENTHISTORYSALESTP-CREATIONDATETIME, sy-vline,
  WA_ISPREPAYMENTHISTORYSALESTP-LASTCHANGEDBYUSER, sy-vline,
  WA_ISPREPAYMENTHISTORYSALESTP-LASTCHANGEDATETIME, sy-vline,
  WA_ISPREPAYMENTHISTORYSALESTP-ACTIVEUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPREPAYMENTHISTORYSALESTP 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_ISPREPAYMENTHISTORYSALESTP 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_ISPREPAYMENTHISTORYSALESTP INTO WA_ISPREPAYMENTHISTORYSALESTP.


*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.

*Conversion exit CUNIT, internal->external for field PREPAYMENTHISTPLANTEDAREAUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPREPAYMENTHISTORYSALESTP-PREPAYMENTHISTPLANTEDAREAUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPREPAYMENTHISTORYSALESTP-PREPAYMENTHISTPLANTEDAREAUOM.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISPREPAYMENTHISTORYSALESTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PREPAYMENTHISTORYREGION TYPE STRING,
PREPAYMENTHISTPLANTEDAREAQTY TYPE STRING,
PREPAYMENTHISTPLANTEDAREAUOM TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
PPMGAG_DUMMY TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPREPAYMENTHISTORYSALESTP_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_ISPREPAYMENTHISTORYSALESTP_STR-KEY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-PARENT_KEY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-ROOT_KEY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-PREPAYMENTHISTORYREGION sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-PREPAYMENTHISTPLANTEDAREAQTY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-PREPAYMENTHISTPLANTEDAREAUOM sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-CREATEDBYUSER sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-CREATIONDATETIME sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-LASTCHANGEDATETIME sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-ACTIVEUUID sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-HASACTIVEENTITY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_STR-PPMGAG_DUMMY sy-vline 
WA_ISPREPAYMENTHISTORYSALESTP_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.