ABAP Select data from SAP table ISPURCTRCNDWITHDRAFT3_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPURCTRCNDWITHDRAFT3_D 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 ISPURCTRCNDWITHDRAFT3_D. 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 ISPURCTRCNDWITHDRAFT3_D 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_ISPURCTRCNDWITHDRAFT3_D TYPE STANDARD TABLE OF ISPURCTRCNDWITHDRAFT3_D,
      WA_ISPURCTRCNDWITHDRAFT3_D TYPE ISPURCTRCNDWITHDRAFT3_D,
      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: <ISPURCTRCNDWITHDRAFT3_D> TYPE ISPURCTRCNDWITHDRAFT3_D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPURCTRCNDWITHDRAFT3_D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPURCTRCNDWITHDRAFT3_D
  INTO TABLE IT_ISPURCTRCNDWITHDRAFT3_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPURCTRCNDWITHDRAFT3_D
*  INTO TABLE @DATA(IT_ISPURCTRCNDWITHDRAFT3_D2).
*--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_ISPURCTRCNDWITHDRAFT3_D INDEX 1 INTO DATA(WA_ISPURCTRCNDWITHDRAFT3_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPURCTRCNDWITHDRAFT3_D ASSIGNING <ISPURCTRCNDWITHDRAFT3_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPURCTRCNDWITHDRAFT3_D>-ACTIVEPURCHASECONTRACT = 1.
<ISPURCTRCNDWITHDRAFT3_D>-ACTIVECONDITIONVALIDTO = 1.
<ISPURCTRCNDWITHDRAFT3_D>-CONDITIONSEQUENTIALNUMBER = 1.
<ISPURCTRCNDWITHDRAFT3_D>-CONDITIONRECORD = 1.
<ISPURCTRCNDWITHDRAFT3_D>-CONDITIONVALIDITYENDDATE = 1.

ENDLOOP.

LOOP AT IT_ISPURCTRCNDWITHDRAFT3_D INTO WA_ISPURCTRCNDWITHDRAFT3_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONVALIDITYSTARTDATE, sy-vline,
  WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONRATEVALUE, sy-vline,
  WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONRATEVALUEUNIT, sy-vline,
  WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONQUANTITY, sy-vline,
  WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONQUANTITYUNIT, sy-vline,
  WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONAPPLICATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPURCTRCNDWITHDRAFT3_D 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_ISPURCTRCNDWITHDRAFT3_D 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_ISPURCTRCNDWITHDRAFT3_D INTO WA_ISPURCTRCNDWITHDRAFT3_D.


*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 ACTIVEPURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRCNDWITHDRAFT3_D-ACTIVEPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRCNDWITHDRAFT3_D-ACTIVEPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONDITIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRCNDWITHDRAFT3_D-CONDITIONQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRCNDWITHDRAFT3_D-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRCNDWITHDRAFT3_D-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRCNDWITHDRAFT3_D-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRCNDWITHDRAFT3_D-PURCHASECONTRACT.
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_ISPURCTRCNDWITHDRAFT3_D_STR, 
ACTIVEPURCHASECONTRACT TYPE STRING,
ACTIVECONDITIONVALIDTO TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
CONDITIONVALIDITYSTARTDATE TYPE STRING,
CONDITIONRATEVALUE TYPE STRING,
CONDITIONRATEVALUEUNIT TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
CONDITIONISDELETED TYPE STRING,
CONDITIONTOBASEQTYNMRTR TYPE STRING,
CONDITIONTOBASEQTYDNMNTR TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASECONTRACT TYPE STRING,
CONDITIONTYPE TYPE STRING,
HASACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPURCTRCNDWITHDRAFT3_D_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_ISPURCTRCNDWITHDRAFT3_D_STR-ACTIVEPURCHASECONTRACT sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-ACTIVECONDITIONVALIDTO sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONRECORD sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONVALIDITYSTARTDATE sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONRATEVALUE sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONRATEVALUEUNIT sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONQUANTITY sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONAPPLICATION sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONISDELETED sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONTOBASEQTYNMRTR sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONTOBASEQTYDNMNTR sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-BASEUNIT sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-PURCHASECONTRACT sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-CONDITIONTYPE sy-vline 
WA_ISPURCTRCNDWITHDRAFT3_D_STR-HASACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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