ABAP Select data from SAP table IAPPLATESTVER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IAPPLATESTVER
*  INTO TABLE @DATA(IT_IAPPLATESTVER2).
*--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_IAPPLATESTVER INDEX 1 INTO DATA(WA_IAPPLATESTVER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IAPPLATESTVER>-MANDT = 1.
<IAPPLATESTVER>-CONTRACTAPPLICATIONUUID = 1.
<IAPPLATESTVER>-CONTRACTAPPLICATIONVERSION = 1.
<IAPPLATESTVER>-CONTRACTNUM = 1.
<IAPPLATESTVER>-CONTRACTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IAPPLATESTVER-REFERENCEAPPLICATIONDOCUMENT, sy-vline,
  WA_IAPPLATESTVER-REFERENCEAPPLICATIONITEM, sy-vline,
  WA_IAPPLATESTVER-CONTRACTCOMMODITYITEM, sy-vline,
  WA_IAPPLATESTVER-REFERENCEDOCUMENTTYPE, sy-vline,
  WA_IAPPLATESTVER-CONTRACTAPPLICATIONSTATUS, sy-vline,
  WA_IAPPLATESTVER-QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IAPPLATESTVER 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_IAPPLATESTVER 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_IAPPLATESTVER INTO WA_IAPPLATESTVER.


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

*Conversion exit ACM03, internal->external for field CONTRACTAPPLICATIONSTATUS
CALL FUNCTION 'CONVERSION_EXIT_ACM03_OUTPUT'
  EXPORTING
    input =                      WA_IAPPLATESTVER-CONTRACTAPPLICATIONSTATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IAPPLATESTVER-CONTRACTAPPLICATIONSTATUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TRDGCONTRACTAPPLUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IAPPLATESTVER-TRDGCONTRACTAPPLUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IAPPLATESTVER-TRDGCONTRACTAPPLUNITOFMEASURE.
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_IAPPLATESTVER_STR, 
MANDT TYPE STRING,
CONTRACTAPPLICATIONUUID TYPE STRING,
CONTRACTAPPLICATIONVERSION TYPE STRING,
CONTRACTNUM TYPE STRING,
CONTRACTITEM TYPE STRING,
REFERENCEAPPLICATIONDOCUMENT TYPE STRING,
REFERENCEAPPLICATIONITEM TYPE STRING,
CONTRACTCOMMODITYITEM TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
CONTRACTAPPLICATIONSTATUS TYPE STRING,
QUANTITY TYPE STRING,
TRDGCONTRACTAPPLUNITOFMEASURE TYPE STRING,
UNDERFILLQUANTITY TYPE STRING,
PROVISIONALUNDERFILLQUANTITY TYPE STRING,
OVERFILLQUANTITY TYPE STRING,
PROVISIONALOVERFILLQUANTITY TYPE STRING,
TRDGCONTRITEMAPPLICATIONQTY TYPE STRING,
TRDGCONTRITEMOVERFILLQUANTITY TYPE STRING,
TRDGCONTRITEMUNDERFILLQUANTITY TYPE STRING,
CONTRITMPRVSNLUNDERFILLQTY TYPE STRING,
CONTRITMPROVISIONALOVERFILLQTY TYPE STRING,
TRDGCONTRITEMRETURNQUANTITY TYPE STRING,
STATUSCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IAPPLATESTVER_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_IAPPLATESTVER_STR-MANDT sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTAPPLICATIONUUID sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTAPPLICATIONVERSION sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTNUM sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTITEM sy-vline 
WA_IAPPLATESTVER_STR-REFERENCEAPPLICATIONDOCUMENT sy-vline 
WA_IAPPLATESTVER_STR-REFERENCEAPPLICATIONITEM sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTCOMMODITYITEM sy-vline 
WA_IAPPLATESTVER_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_IAPPLATESTVER_STR-CONTRACTAPPLICATIONSTATUS sy-vline 
WA_IAPPLATESTVER_STR-QUANTITY sy-vline 
WA_IAPPLATESTVER_STR-TRDGCONTRACTAPPLUNITOFMEASURE sy-vline 
WA_IAPPLATESTVER_STR-UNDERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-PROVISIONALUNDERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-OVERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-PROVISIONALOVERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-TRDGCONTRITEMAPPLICATIONQTY sy-vline 
WA_IAPPLATESTVER_STR-TRDGCONTRITEMOVERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-TRDGCONTRITEMUNDERFILLQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-CONTRITMPRVSNLUNDERFILLQTY sy-vline 
WA_IAPPLATESTVER_STR-CONTRITMPROVISIONALOVERFILLQTY sy-vline 
WA_IAPPLATESTVER_STR-TRDGCONTRITEMRETURNQUANTITY sy-vline 
WA_IAPPLATESTVER_STR-STATUSCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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