ABAP Select data from SAP table FIWTTH_S_PND2_TXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIWTTH_S_PND2_TXT 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 FIWTTH_S_PND2_TXT. 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 FIWTTH_S_PND2_TXT 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_FIWTTH_S_PND2_TXT TYPE STANDARD TABLE OF FIWTTH_S_PND2_TXT,
      WA_FIWTTH_S_PND2_TXT TYPE FIWTTH_S_PND2_TXT,
      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: <FIWTTH_S_PND2_TXT> TYPE FIWTTH_S_PND2_TXT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIWTTH_S_PND2_TXT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIWTTH_S_PND2_TXT
  INTO TABLE IT_FIWTTH_S_PND2_TXT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIWTTH_S_PND2_TXT
*  INTO TABLE @DATA(IT_FIWTTH_S_PND2_TXT2).
*--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_FIWTTH_S_PND2_TXT INDEX 1 INTO DATA(WA_FIWTTH_S_PND2_TXT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIWTTH_S_PND2_TXT ASSIGNING <FIWTTH_S_PND2_TXT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIWTTH_S_PND2_TXT>-PER_ID_NO = 1.
<FIWTTH_S_PND2_TXT>-TAX_PAYER_NO = 1.
<FIWTTH_S_PND2_TXT>-EMPTY = 1.
<FIWTTH_S_PND2_TXT>-BRANCH_NO = 1.
<FIWTTH_S_PND2_TXT>-INDSUBMIT = 1.

ENDLOOP.

LOOP AT IT_FIWTTH_S_PND2_TXT INTO WA_FIWTTH_S_PND2_TXT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIWTTH_S_PND2_TXT-SUBMITNO, sy-vline,
  WA_FIWTTH_S_PND2_TXT-SENDTYPE1, sy-vline,
  WA_FIWTTH_S_PND2_TXT-SENDTYPE2, sy-vline,
  WA_FIWTTH_S_PND2_TXT-SENDTYPE3, sy-vline,
  WA_FIWTTH_S_PND2_TXT-YEAR_OF_PAYMENT, sy-vline,
  WA_FIWTTH_S_PND2_TXT-MONTH_OF_PAYMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIWTTH_S_PND2_TXT 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_FIWTTH_S_PND2_TXT 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_FIWTTH_S_PND2_TXT INTO WA_FIWTTH_S_PND2_TXT.


*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_FIWTTH_S_PND2_TXT_STR, 
PER_ID_NO TYPE STRING,
TAX_PAYER_NO TYPE STRING,
EMPTY TYPE STRING,
BRANCH_NO TYPE STRING,
INDSUBMIT TYPE STRING,
SUBMITNO TYPE STRING,
SENDTYPE1 TYPE STRING,
SENDTYPE2 TYPE STRING,
SENDTYPE3 TYPE STRING,
YEAR_OF_PAYMENT TYPE STRING,
MONTH_OF_PAYMENT TYPE STRING,
TAX_PAYER_RECIPIENT TYPE STRING,
TAX_PAY_ID_NO_RECIPIENT TYPE STRING,
BRANCH_NO_RECIPIENT TYPE STRING,
TITLE TYPE STRING,
FIRST_NAME TYPE STRING,
LAST_NAME TYPE STRING,
NAME_OF_BUILDING TYPE STRING,
VILLAGE TYPE STRING,
ROOM_NO TYPE STRING,
FLOOR_NO TYPE STRING,
HOUSE_NO TYPE STRING,
MOO TYPE STRING,
LANE_SOI TYPE STRING,
ROAD TYPE STRING,
SUB_DISTRICT TYPE STRING,
DISTRICT TYPE STRING,
PROVINCE TYPE STRING,
POST_CODE TYPE STRING,
TELEPHONE TYPE STRING,
PAYMENT_DATE TYPE STRING,
TYPE_OF_INCOME TYPE STRING,
TAX_RATE TYPE STRING,
AMOUNT_PAID TYPE STRING,
AMOUNT_OF_TAX TYPE STRING,
POSTING_CONDITION TYPE STRING,
REMARK TYPE STRING,
TYPE_OF_INCOME_ID TYPE STRING,
DEP_ACCOUNT_NO TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIWTTH_S_PND2_TXT_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_FIWTTH_S_PND2_TXT_STR-PER_ID_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TAX_PAYER_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-EMPTY sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-BRANCH_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-INDSUBMIT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-SUBMITNO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-SENDTYPE1 sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-SENDTYPE2 sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-SENDTYPE3 sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-YEAR_OF_PAYMENT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-MONTH_OF_PAYMENT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TAX_PAYER_RECIPIENT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TAX_PAY_ID_NO_RECIPIENT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-BRANCH_NO_RECIPIENT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TITLE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-FIRST_NAME sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-LAST_NAME sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-NAME_OF_BUILDING sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-VILLAGE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-ROOM_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-FLOOR_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-HOUSE_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-MOO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-LANE_SOI sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-ROAD sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-SUB_DISTRICT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-DISTRICT sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-PROVINCE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-POST_CODE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TELEPHONE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-PAYMENT_DATE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TYPE_OF_INCOME sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TAX_RATE sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-AMOUNT_PAID sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-AMOUNT_OF_TAX sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-POSTING_CONDITION sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-REMARK sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-TYPE_OF_INCOME_ID sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-DEP_ACCOUNT_NO sy-vline 
WA_FIWTTH_S_PND2_TXT_STR-DOCUMENT_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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