ABAP Select data from SAP table ISPREPAYMENTAPPROVALTP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPREPAYMENTAPPROVALTP2 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 ISPREPAYMENTAPPROVALTP2. 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 ISPREPAYMENTAPPROVALTP2 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_ISPREPAYMENTAPPROVALTP2 TYPE STANDARD TABLE OF ISPREPAYMENTAPPROVALTP2,
      WA_ISPREPAYMENTAPPROVALTP2 TYPE ISPREPAYMENTAPPROVALTP2,
      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: <ISPREPAYMENTAPPROVALTP2> TYPE ISPREPAYMENTAPPROVALTP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPREPAYMENTAPPROVALTP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPREPAYMENTAPPROVALTP2
  INTO TABLE IT_ISPREPAYMENTAPPROVALTP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPREPAYMENTAPPROVALTP2
*  INTO TABLE @DATA(IT_ISPREPAYMENTAPPROVALTP22).
*--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_ISPREPAYMENTAPPROVALTP2 INDEX 1 INTO DATA(WA_ISPREPAYMENTAPPROVALTP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPREPAYMENTAPPROVALTP2 ASSIGNING <ISPREPAYMENTAPPROVALTP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPREPAYMENTAPPROVALTP2>-KEY = 1.
<ISPREPAYMENTAPPROVALTP2>-PARENT_KEY = 1.
<ISPREPAYMENTAPPROVALTP2>-ROOT_KEY = 1.
<ISPREPAYMENTAPPROVALTP2>-PREPAYMENTAGREEMENT = 1.
<ISPREPAYMENTAPPROVALTP2>-PREPAYMENTAGREEMENTTYPE = 1.

ENDLOOP.

LOOP AT IT_ISPREPAYMENTAPPROVALTP2 INTO WA_ISPREPAYMENTAPPROVALTP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPREPAYMENTAPPROVALTP2-PREPAYMENTAGREEMENTCATEGORY, sy-vline,
  WA_ISPREPAYMENTAPPROVALTP2-PREPAYMENTAGRMTISPOSTED, sy-vline,
  WA_ISPREPAYMENTAPPROVALTP2-PREPAYMENTPOSTINGISBLOCKED, sy-vline,
  WA_ISPREPAYMENTAPPROVALTP2-FINALSETTLEMENTINDICATOR, sy-vline,
  WA_ISPREPAYMENTAPPROVALTP2-ISINTERCOMPANYPAYMENT, sy-vline,
  WA_ISPREPAYMENTAPPROVALTP2-CONDITIONAPPLICATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPREPAYMENTAPPROVALTP2 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_ISPREPAYMENTAPPROVALTP2 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_ISPREPAYMENTAPPROVALTP2 INTO WA_ISPREPAYMENTAPPROVALTP2.


*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 ALPHA, internal->external for field COUNTERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPREPAYMENTAPPROVALTP2-COUNTERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPREPAYMENTAPPROVALTP2-COUNTERPARTY.
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_ISPREPAYMENTAPPROVALTP2_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PREPAYMENTAGREEMENT TYPE STRING,
PREPAYMENTAGREEMENTTYPE TYPE STRING,
PREPAYMENTAGREEMENTCATEGORY TYPE STRING,
PREPAYMENTAGRMTISPOSTED TYPE STRING,
PREPAYMENTPOSTINGISBLOCKED TYPE STRING,
FINALSETTLEMENTINDICATOR TYPE STRING,
ISINTERCOMPANYPAYMENT TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
COMPANYCODE TYPE STRING,
COUNTERPARTY 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,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPREPAYMENTAPPROVALTP2_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_ISPREPAYMENTAPPROVALTP2_STR-KEY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PARENT_KEY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-ROOT_KEY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PREPAYMENTAGREEMENT sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PREPAYMENTAGREEMENTTYPE sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PREPAYMENTAGREEMENTCATEGORY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PREPAYMENTAGRMTISPOSTED sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-PREPAYMENTPOSTINGISBLOCKED sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-FINALSETTLEMENTINDICATOR sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-ISINTERCOMPANYPAYMENT sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-CONDITIONAPPLICATION sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-COMPANYCODE sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-COUNTERPARTY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-CREATEDBYUSER sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-CREATIONDATETIME sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-LASTCHANGEDATETIME sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-ACTIVEUUID sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-HASACTIVEENTITY sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPREPAYMENTAPPROVALTP2_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.