ABAP Select data from SAP table IPAYRQVARPOSTDT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPAYRQVARPOSTDT
*  INTO TABLE @DATA(IT_IPAYRQVARPOSTDT2).
*--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_IPAYRQVARPOSTDT INDEX 1 INTO DATA(WA_IPAYRQVARPOSTDT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPAYRQVARPOSTDT>-MANDT = 1.
<IPAYRQVARPOSTDT>-PAYMENTREQUESTVARIANT = 1.
<IPAYRQVARPOSTDT>-PAYEENAME = 1.
<IPAYRQVARPOSTDT>-BANKACCOUNTHOLDERNAME = 1.
<IPAYRQVARPOSTDT>-PAYEEBANKCOUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPAYRQVARPOSTDT-PAYEEBANKINTERNALID, sy-vline,
  WA_IPAYRQVARPOSTDT-PAYEEBANKACCOUNT, sy-vline,
  WA_IPAYRQVARPOSTDT-PAYEEBANKCONTROLKEY, sy-vline,
  WA_IPAYRQVARPOSTDT-BANKDETAILREFERENCE, sy-vline,
  WA_IPAYRQVARPOSTDT-COMPANYCODE, sy-vline,
  WA_IPAYRQVARPOSTDT-BUSINESSAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPAYRQVARPOSTDT 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_IPAYRQVARPOSTDT 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_IPAYRQVARPOSTDT INTO WA_IPAYRQVARPOSTDT.


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

*Conversion exit ISOLA, internal->external for field PAYEELANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IPAYRQVARPOSTDT-PAYEELANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPAYRQVARPOSTDT-PAYEELANGUAGE.
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_IPAYRQVARPOSTDT_STR, 
MANDT TYPE STRING,
PAYMENTREQUESTVARIANT TYPE STRING,
PAYEENAME TYPE STRING,
BANKACCOUNTHOLDERNAME TYPE STRING,
PAYEEBANKCOUNTRY TYPE STRING,
PAYEEBANKINTERNALID TYPE STRING,
PAYEEBANKACCOUNT TYPE STRING,
PAYEEBANKCONTROLKEY TYPE STRING,
BANKDETAILREFERENCE TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
CUSTOMERSUPPLIERACCOUNT TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
PAYEETITLE TYPE STRING,
PAYEEPOSTALCODE TYPE STRING,
PAYEEPOBOX TYPE STRING,
POBOXPOSTALCODE TYPE STRING,
PAYEEADDITIONALNAME2 TYPE STRING,
PAYEEADDITIONALNAME3 TYPE STRING,
PAYEEADDITIONALNAME4 TYPE STRING,
PAYEECITYNAME TYPE STRING,
PAYEESTREET TYPE STRING,
PAYEECOUNTRY TYPE STRING,
PAYEEREGION TYPE STRING,
PAYEELANGUAGE TYPE STRING,
PAYEEFAXNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPAYRQVARPOSTDT_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_IPAYRQVARPOSTDT_STR-MANDT sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYMENTREQUESTVARIANT sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEENAME sy-vline 
WA_IPAYRQVARPOSTDT_STR-BANKACCOUNTHOLDERNAME sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEBANKCOUNTRY sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEBANKINTERNALID sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEBANKACCOUNT sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEBANKCONTROLKEY sy-vline 
WA_IPAYRQVARPOSTDT_STR-BANKDETAILREFERENCE sy-vline 
WA_IPAYRQVARPOSTDT_STR-COMPANYCODE sy-vline 
WA_IPAYRQVARPOSTDT_STR-BUSINESSAREA sy-vline 
WA_IPAYRQVARPOSTDT_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_IPAYRQVARPOSTDT_STR-CUSTOMERSUPPLIERACCOUNT sy-vline 
WA_IPAYRQVARPOSTDT_STR-DOCUMENTITEMTEXT sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEETITLE sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEPOSTALCODE sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEPOBOX sy-vline 
WA_IPAYRQVARPOSTDT_STR-POBOXPOSTALCODE sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEADDITIONALNAME2 sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEADDITIONALNAME3 sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEADDITIONALNAME4 sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEECITYNAME sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEESTREET sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEECOUNTRY sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEREGION sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEELANGUAGE sy-vline 
WA_IPAYRQVARPOSTDT_STR-PAYEEFAXNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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