ABAP Select data from SAP table DPWTY_FINANCIAL_STATEMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DPWTY_FINANCIAL_STATEMENT
*  INTO TABLE @DATA(IT_DPWTY_FINANCIAL_STATEMENT2).
*--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_DPWTY_FINANCIAL_STATEMENT INDEX 1 INTO DATA(WA_DPWTY_FINANCIAL_STATEMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DPWTY_FINANCIAL_STATEMENT>-COMP_CODE = 1.
<DPWTY_FINANCIAL_STATEMENT>-CUSTOMER = 1.
<DPWTY_FINANCIAL_STATEMENT>-CLEAR_DATE = 1.
<DPWTY_FINANCIAL_STATEMENT>-FIS_PERIOD = 1.
<DPWTY_FINANCIAL_STATEMENT>-FISC_YEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DPWTY_FINANCIAL_STATEMENT-DOC_DATE, sy-vline,
  WA_DPWTY_FINANCIAL_STATEMENT-DB_CR_IND, sy-vline,
  WA_DPWTY_FINANCIAL_STATEMENT-TAX_CODE, sy-vline,
  WA_DPWTY_FINANCIAL_STATEMENT-SIGN, sy-vline,
  WA_DPWTY_FINANCIAL_STATEMENT-LC_AMOUNT, sy-vline,
  WA_DPWTY_FINANCIAL_STATEMENT-LOC_CURRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DPWTY_FINANCIAL_STATEMENT 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_DPWTY_FINANCIAL_STATEMENT 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_DPWTY_FINANCIAL_STATEMENT INTO WA_DPWTY_FINANCIAL_STATEMENT.


*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 CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DPWTY_FINANCIAL_STATEMENT-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPWTY_FINANCIAL_STATEMENT-CLAIM.
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_DPWTY_FINANCIAL_STATEMENT_STR, 
COMP_CODE TYPE STRING,
CUSTOMER TYPE STRING,
CLEAR_DATE TYPE STRING,
FIS_PERIOD TYPE STRING,
FISC_YEAR TYPE STRING,
DOC_DATE TYPE STRING,
DB_CR_IND TYPE STRING,
TAX_CODE TYPE STRING,
SIGN TYPE STRING,
LC_AMOUNT TYPE STRING,
LOC_CURRCY TYPE STRING,
LC_TAX TYPE STRING,
AMT_DOCCUR TYPE STRING,
CURRENCY TYPE STRING,
TX_DOC_CUR TYPE STRING,
PMNTTRMS TYPE STRING,
DSCT_DAYS1 TYPE STRING,
DSCT_DAYS2 TYPE STRING,
NETTERMS TYPE STRING,
DSCT_PCT1 TYPE STRING,
DSCT_PCT2 TYPE STRING,
DISC_BASE TYPE STRING,
DSC_AMT_LC TYPE STRING,
DSC_AMT_DC TYPE STRING,
PYMT_METH TYPE STRING,
TAX_NO_1 TYPE STRING,
TAX_NO_2 TYPE STRING,
REF_DOC_NO_LONG TYPE STRING,
NEG_POSTNG TYPE STRING,
CLAIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DPWTY_FINANCIAL_STATEMENT_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_DPWTY_FINANCIAL_STATEMENT_STR-COMP_CODE sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-CUSTOMER sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-CLEAR_DATE sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-FIS_PERIOD sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-FISC_YEAR sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DOC_DATE sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DB_CR_IND sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-TAX_CODE sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-SIGN sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-LC_AMOUNT sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-LOC_CURRCY sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-LC_TAX sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-AMT_DOCCUR sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-CURRENCY sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-TX_DOC_CUR sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-PMNTTRMS sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSCT_DAYS1 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSCT_DAYS2 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-NETTERMS sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSCT_PCT1 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSCT_PCT2 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DISC_BASE sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSC_AMT_LC sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-DSC_AMT_DC sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-PYMT_METH sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-TAX_NO_1 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-TAX_NO_2 sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-REF_DOC_NO_LONG sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-NEG_POSTNG sy-vline 
WA_DPWTY_FINANCIAL_STATEMENT_STR-CLAIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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