ABAP Select data from SAP table PUR_PSAERPUPDATEREQUEST_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUR_PSAERPUPDATEREQUEST_S
*  INTO TABLE @DATA(IT_PUR_PSAERPUPDATEREQUEST_S2).
*--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_PUR_PSAERPUPDATEREQUEST_S INDEX 1 INTO DATA(WA_PUR_PSAERPUPDATEREQUEST_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUR_PSAERPUPDATEREQUEST_S>-CONTROLLER = 1.
<PUR_PSAERPUPDATEREQUEST_S>-PURCHASING_SCHEDULING_AGREEMEN = 1.
<PUR_PSAERPUPDATEREQUEST_S>-CONTROLLER = 1.
<PUR_PSAERPUPDATEREQUEST_S>-MESSAGE_HEADER = 1.
<PUR_PSAERPUPDATEREQUEST_S>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUR_PSAERPUPDATEREQUEST_S-ID, sy-vline,
  WA_PUR_PSAERPUPDATEREQUEST_S-UUID, sy-vline,
  WA_PUR_PSAERPUPDATEREQUEST_S-REFERENCE_ID, sy-vline,
  WA_PUR_PSAERPUPDATEREQUEST_S-REFERENCE_UUID, sy-vline,
  WA_PUR_PSAERPUPDATEREQUEST_S-PURCHASING_SCHEDULING_AGREEMEN, sy-vline,
  WA_PUR_PSAERPUPDATEREQUEST_S-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUR_PSAERPUPDATEREQUEST_S 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_PUR_PSAERPUPDATEREQUEST_S 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_PUR_PSAERPUPDATEREQUEST_S INTO WA_PUR_PSAERPUPDATEREQUEST_S.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_PUR_PSAERPUPDATEREQUEST_S_STR, 
CONTROLLER TYPE STRING,
PURCHASING_SCHEDULING_AGREEMEN TYPE STRING,
CONTROLLER TYPE STRING,
MESSAGE_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
UUID TYPE STRING,
REFERENCE_ID TYPE STRING,
REFERENCE_UUID TYPE STRING,
PURCHASING_SCHEDULING_AGREEMEN TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CHANGE_STATE_ID TYPE STRING,
COMPANY_ID TYPE STRING,
SUPPLYING_PLANT_ID TYPE STRING,
PROCESSING_TYPE_CODE TYPE STRING,
DATE TYPE STRING,
VALIDITY_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
EXCHANGE_RATE TYPE STRING,
CONTROLLER TYPE STRING,
EXCHANGE_RATE TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CURRENCY TYPE STRING,
QUOTED_CURRENCY TYPE STRING,
RATE TYPE STRING,
QUOTATION_DATE_TIME TYPE STRING,
EXCHANGE_RATE_FIXED_INDICATOR TYPE STRING,
TARGET_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
SELLER_REFERENCE_NOTE TYPE STRING,
BUYER_REFERENCE_NOTE TYPE STRING,
SELLER_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
VENDOR_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
BILL_FROM_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
RESPONSIBLE_PURCHASING_ORGANIS TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
RESPONSIBLE_PURCHASING_GROUP_P TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
PARTY TYPE STRING,
DELIVERY_TERMS TYPE STRING,
CONTROLLER TYPE STRING,
INCOTERMS TYPE STRING,
CONTROLLER TYPE STRING,
CLASSIFICATION_CODE TYPE STRING,
TRANSFER_LOCATION_NAME TYPE STRING,
CASH_DISCOUNT_TERMS TYPE STRING,
CONTROLLER TYPE STRING,
CODE TYPE STRING,
MAXIMUM_CASH_DISCOUNT TYPE STRING,
CONTROLLER TYPE STRING,
DAYS_VALUE TYPE STRING,
DAY_OF_MONTH_VALUE TYPE STRING,
MONTH_OFFSET_VALUE TYPE STRING,
END_DATE TYPE STRING,
PERCENT TYPE STRING,
NORMAL_CASH_DISCOUNT TYPE STRING,
CONTROLLER TYPE STRING,
DAYS_VALUE TYPE STRING,
DAY_OF_MONTH_VALUE TYPE STRING,
MONTH_OFFSET_VALUE TYPE STRING,
END_DATE TYPE STRING,
PERCENT TYPE STRING,
FULL_PAYMENT_DUE_DAYS_VALUE TYPE STRING,
PRICE_SPECIFICATION TYPE STRING,
TEXT_COLLECTION TYPE STRING,
CONTROLLER TYPE STRING,
TEXT TYPE STRING,
ITEM TYPE STRING,
ITEM_LIST_COMPLETE_TRANSMISSIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUR_PSAERPUPDATEREQUEST_S_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_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PURCHASING_SCHEDULING_AGREEMEN sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-MESSAGE_HEADER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-UUID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-REFERENCE_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-REFERENCE_UUID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PURCHASING_SCHEDULING_AGREEMEN sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CHANGE_STATE_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-COMPANY_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-SUPPLYING_PLANT_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PROCESSING_TYPE_CODE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-VALIDITY_PERIOD sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-START_DATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-END_DATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-EXCHANGE_RATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-EXCHANGE_RATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-UNIT_CURRENCY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-QUOTED_CURRENCY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-RATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-QUOTATION_DATE_TIME sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-EXCHANGE_RATE_FIXED_INDICATOR sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-TARGET_AMOUNT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CURRENCY_CODE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTENT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-SELLER_REFERENCE_NOTE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-BUYER_REFERENCE_NOTE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-SELLER_PARTY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INTERNAL_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-VENDOR_PARTY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INTERNAL_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-BILL_FROM_PARTY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INTERNAL_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-RESPONSIBLE_PURCHASING_ORGANIS sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INTERNAL_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-RESPONSIBLE_PURCHASING_GROUP_P sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INTERNAL_ID sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PARTY sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DELIVERY_TERMS sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-INCOTERMS sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CLASSIFICATION_CODE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-TRANSFER_LOCATION_NAME sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CASH_DISCOUNT_TERMS sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CODE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-MAXIMUM_CASH_DISCOUNT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DAYS_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DAY_OF_MONTH_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-MONTH_OFFSET_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-END_DATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PERCENT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-NORMAL_CASH_DISCOUNT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DAYS_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-DAY_OF_MONTH_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-MONTH_OFFSET_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-END_DATE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PERCENT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-FULL_PAYMENT_DUE_DAYS_VALUE sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-PRICE_SPECIFICATION sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-TEXT_COLLECTION sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-CONTROLLER sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-TEXT sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-ITEM sy-vline 
WA_PUR_PSAERPUPDATEREQUEST_S_STR-ITEM_LIST_COMPLETE_TRANSMISSIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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