ABAP Select data from SAP table IPAYTDATEGRPG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPAYTDATEGRPG
*  INTO TABLE @DATA(IT_IPAYTDATEGRPG2).
*--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_IPAYTDATEGRPG INDEX 1 INTO DATA(WA_IPAYTDATEGRPG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPAYTDATEGRPG>-MANDT = 1.
<IPAYTDATEGRPG>-PAYMENTRUNDATE = 1.
<IPAYTDATEGRPG>-PAYMENTRUNID = 1.
<IPAYTDATEGRPG>-PAYMENTRUNISPROPOSAL = 1.
<IPAYTDATEGRPG>-PAYMENTORIGIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPAYTDATEGRPG-PAYMENTMEDIUMFORMAT, sy-vline,
  WA_IPAYTDATEGRPG-PAYINGCOMPANYCODE, sy-vline,
  WA_IPAYTDATEGRPG-BANKCOUNTRY, sy-vline,
  WA_IPAYTDATEGRPG-BANKKEY, sy-vline,
  WA_IPAYTDATEGRPG-HOUSEBANK, sy-vline,
  WA_IPAYTDATEGRPG-HOUSEBANKACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPAYTDATEGRPG 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_IPAYTDATEGRPG 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_IPAYTDATEGRPG INTO WA_IPAYTDATEGRPG.


*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_IPAYTDATEGRPG_STR, 
MANDT TYPE STRING,
PAYMENTRUNDATE TYPE STRING,
PAYMENTRUNID TYPE STRING,
PAYMENTRUNISPROPOSAL TYPE STRING,
PAYMENTORIGIN TYPE STRING,
PAYMENTMEDIUMFORMAT TYPE STRING,
PAYINGCOMPANYCODE TYPE STRING,
BANKCOUNTRY TYPE STRING,
BANKKEY TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
PAYMENTMETHOD TYPE STRING,
NUMBEROFPAYMENTS TYPE STRING,
NUMBEROFCOMPLETEDPAYMENTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPAYTDATEGRPG_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_IPAYTDATEGRPG_STR-MANDT sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTRUNDATE sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTRUNID sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTRUNISPROPOSAL sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTORIGIN sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTMEDIUMFORMAT sy-vline 
WA_IPAYTDATEGRPG_STR-PAYINGCOMPANYCODE sy-vline 
WA_IPAYTDATEGRPG_STR-BANKCOUNTRY sy-vline 
WA_IPAYTDATEGRPG_STR-BANKKEY sy-vline 
WA_IPAYTDATEGRPG_STR-HOUSEBANK sy-vline 
WA_IPAYTDATEGRPG_STR-HOUSEBANKACCOUNT sy-vline 
WA_IPAYTDATEGRPG_STR-DEBITCREDITCODE sy-vline 
WA_IPAYTDATEGRPG_STR-PAYMENTMETHOD sy-vline 
WA_IPAYTDATEGRPG_STR-NUMBEROFPAYMENTS sy-vline 
WA_IPAYTDATEGRPG_STR-NUMBEROFCOMPLETEDPAYMENTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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