ABAP Select data from SAP table FINCS_EPU_DATA_TDC_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FINCS_EPU_DATA_TDC_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 FINCS_EPU_DATA_TDC_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 FINCS_EPU_DATA_TDC_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_FINCS_EPU_DATA_TDC_S TYPE STANDARD TABLE OF FINCS_EPU_DATA_TDC_S,
      WA_FINCS_EPU_DATA_TDC_S TYPE FINCS_EPU_DATA_TDC_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: <FINCS_EPU_DATA_TDC_S> TYPE FINCS_EPU_DATA_TDC_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINCS_EPU_DATA_TDC_S
*  INTO TABLE @DATA(IT_FINCS_EPU_DATA_TDC_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_FINCS_EPU_DATA_TDC_S INDEX 1 INTO DATA(WA_FINCS_EPU_DATA_TDC_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINCS_EPU_DATA_TDC_S>-RBUNIT = 1.
<FINCS_EPU_DATA_TDC_S>-RITEM = 1.
<FINCS_EPU_DATA_TDC_S>-COMMENT1 = 1.
<FINCS_EPU_DATA_TDC_S>-RTCUR = 1.
<FINCS_EPU_DATA_TDC_S>-SITYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINCS_EPU_DATA_TDC_S-SUBIT, sy-vline,
  WA_FINCS_EPU_DATA_TDC_S-COMMENT2, sy-vline,
  WA_FINCS_EPU_DATA_TDC_S-COICU, sy-vline,
  WA_FINCS_EPU_DATA_TDC_S-RBUPTR, sy-vline,
  WA_FINCS_EPU_DATA_TDC_S-SEGMENT, sy-vline,
  WA_FINCS_EPU_DATA_TDC_S-PRCTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINCS_EPU_DATA_TDC_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_FINCS_EPU_DATA_TDC_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_FINCS_EPU_DATA_TDC_S INTO WA_FINCS_EPU_DATA_TDC_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.

*Conversion exit AFIMC, internal->external for field RBUNIT
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-RBUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-RBUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BFIMC, internal->external for field RITEM
CALL FUNCTION 'CONVERSION_EXIT_BFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-RITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-RITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field COICU
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-COICU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-COICU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field RBUPTR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-RBUPTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-RBUPTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_EPU_DATA_TDC_S-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_EPU_DATA_TDC_S-PRCTR.
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_FINCS_EPU_DATA_TDC_S_STR, 
RBUNIT TYPE STRING,
RITEM TYPE STRING,
COMMENT1 TYPE STRING,
RTCUR TYPE STRING,
SITYP TYPE STRING,
SUBIT TYPE STRING,
COMMENT2 TYPE STRING,
COICU TYPE STRING,
RBUPTR TYPE STRING,
SEGMENT TYPE STRING,
PRCTR TYPE STRING,
TSL TYPE STRING,
HSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINCS_EPU_DATA_TDC_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_FINCS_EPU_DATA_TDC_S_STR-RBUNIT sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-RITEM sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-COMMENT1 sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-RTCUR sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-SITYP sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-SUBIT sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-COMMENT2 sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-COICU sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-RBUPTR sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-SEGMENT sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-PRCTR sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-TSL sy-vline 
WA_FINCS_EPU_DATA_TDC_S_STR-HSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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