ABAP Select data from SAP table ISTPICKUPORDREQD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISTPICKUPORDREQD
*  INTO TABLE @DATA(IT_ISTPICKUPORDREQD2).
*--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_ISTPICKUPORDREQD INDEX 1 INTO DATA(WA_ISTPICKUPORDREQD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISTPICKUPORDREQD>-MANDT = 1.
<ISTPICKUPORDREQD>-STORE = 1.
<ISTPICKUPORDREQD>-STOREPICKUPORDER = 1.
<ISTPICKUPORDREQD>-STOREPICKINGREQUEST = 1.
<ISTPICKUPORDREQD>-STOREPICKINGREQUESTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISTPICKUPORDREQD-PRODUCT, sy-vline,
  WA_ISTPICKUPORDREQD-RETAILSTOREREQUESTEDPRODUCT, sy-vline,
  WA_ISTPICKUPORDREQD-REQUESTEDQUANTITY, sy-vline,
  WA_ISTPICKUPORDREQD-PRODUCTPICKEDQUANTITY, sy-vline,
  WA_ISTPICKUPORDREQD-REQUESTEDSTOREPICKINGREQITEM, sy-vline,
  WA_ISTPICKUPORDREQD-STOREPKNGREQITEMISSUBSTITUTED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISTPICKUPORDREQD 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_ISTPICKUPORDREQD 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_ISTPICKUPORDREQD INTO WA_ISTPICKUPORDREQD.


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

*Conversion exit ALPHA, internal->external for field STOREPICKINGREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISTPICKUPORDREQD-STOREPICKINGREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTPICKUPORDREQD-STOREPICKINGREQUEST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISTPICKUPORDREQD-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTPICKUPORDREQD-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field RETAILSTOREREQUESTEDPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISTPICKUPORDREQD-RETAILSTOREREQUESTEDPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTPICKUPORDREQD-RETAILSTOREREQUESTEDPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISTPICKUPORDREQD-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTPICKUPORDREQD-UNITOFMEASURE.
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_ISTPICKUPORDREQD_STR, 
MANDT TYPE STRING,
STORE TYPE STRING,
STOREPICKUPORDER TYPE STRING,
STOREPICKINGREQUEST TYPE STRING,
STOREPICKINGREQUESTITEM TYPE STRING,
PRODUCT TYPE STRING,
RETAILSTOREREQUESTEDPRODUCT TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
PRODUCTPICKEDQUANTITY TYPE STRING,
REQUESTEDSTOREPICKINGREQITEM TYPE STRING,
STOREPKNGREQITEMISSUBSTITUTED TYPE STRING,
UNITOFMEASURE TYPE STRING,
STOREPICKINGREQUESTITEMSTATUS TYPE STRING,
STOREITEMOVERALLSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISTPICKUPORDREQD_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_ISTPICKUPORDREQD_STR-MANDT sy-vline 
WA_ISTPICKUPORDREQD_STR-STORE sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREPICKUPORDER sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREPICKINGREQUEST sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREPICKINGREQUESTITEM sy-vline 
WA_ISTPICKUPORDREQD_STR-PRODUCT sy-vline 
WA_ISTPICKUPORDREQD_STR-RETAILSTOREREQUESTEDPRODUCT sy-vline 
WA_ISTPICKUPORDREQD_STR-REQUESTEDQUANTITY sy-vline 
WA_ISTPICKUPORDREQD_STR-PRODUCTPICKEDQUANTITY sy-vline 
WA_ISTPICKUPORDREQD_STR-REQUESTEDSTOREPICKINGREQITEM sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREPKNGREQITEMISSUBSTITUTED sy-vline 
WA_ISTPICKUPORDREQD_STR-UNITOFMEASURE sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREPICKINGREQUESTITEMSTATUS sy-vline 
WA_ISTPICKUPORDREQD_STR-STOREITEMOVERALLSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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