ABAP Select data from SAP table FINCS_GRPSTR_WA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FINCS_GRPSTR_WA 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_GRPSTR_WA. 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_GRPSTR_WA 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_GRPSTR_WA TYPE STANDARD TABLE OF FINCS_GRPSTR_WA,
      WA_FINCS_GRPSTR_WA TYPE FINCS_GRPSTR_WA,
      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_GRPSTR_WA> TYPE FINCS_GRPSTR_WA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINCS_GRPSTR_WA
*  INTO TABLE @DATA(IT_FINCS_GRPSTR_WA2).
*--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_GRPSTR_WA INDEX 1 INTO DATA(WA_FINCS_GRPSTR_WA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINCS_GRPSTR_WA>-MANDT = 1.
<FINCS_GRPSTR_WA>-UUID = 1.
<FINCS_GRPSTR_WA>-USERNAME = 1.
<FINCS_GRPSTR_WA>-STATUS = 1.
<FINCS_GRPSTR_WA>-STATUS_DETAIL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINCS_GRPSTR_WA-RVERS, sy-vline,
  WA_FINCS_GRPSTR_WA-CONGR, sy-vline,
  WA_FINCS_GRPSTR_WA-BUNIT, sy-vline,
  WA_FINCS_GRPSTR_WA-FROMYEARPER, sy-vline,
  WA_FINCS_GRPSTR_WA-TOYEARPER, sy-vline,
  WA_FINCS_GRPSTR_WA-FYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINCS_GRPSTR_WA 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_GRPSTR_WA 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_GRPSTR_WA INTO WA_FINCS_GRPSTR_WA.


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

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

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

*Conversion exit PERI7, internal->external for field FROMYEARPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_GRPSTR_WA-FROMYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR_WA-FROMYEARPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field TOYEARPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_GRPSTR_WA-TOYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR_WA-TOYEARPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_GRPSTR_WA-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR_WA-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_GRPSTR_WA-LYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR_WA-LYEAR.
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_GRPSTR_WA_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
USERNAME TYPE STRING,
STATUS TYPE STRING,
STATUS_DETAIL TYPE STRING,
RVERS TYPE STRING,
CONGR TYPE STRING,
BUNIT TYPE STRING,
FROMYEARPER TYPE STRING,
TOYEARPER TYPE STRING,
FYEAR TYPE STRING,
FPERI TYPE STRING,
FEFLG TYPE STRING,
LYEAR TYPE STRING,
LPERI TYPE STRING,
LBFLG TYPE STRING,
LMERGERFLG TYPE STRING,
COIMETH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINCS_GRPSTR_WA_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_GRPSTR_WA_STR-MANDT sy-vline 
WA_FINCS_GRPSTR_WA_STR-UUID sy-vline 
WA_FINCS_GRPSTR_WA_STR-USERNAME sy-vline 
WA_FINCS_GRPSTR_WA_STR-STATUS sy-vline 
WA_FINCS_GRPSTR_WA_STR-STATUS_DETAIL sy-vline 
WA_FINCS_GRPSTR_WA_STR-RVERS sy-vline 
WA_FINCS_GRPSTR_WA_STR-CONGR sy-vline 
WA_FINCS_GRPSTR_WA_STR-BUNIT sy-vline 
WA_FINCS_GRPSTR_WA_STR-FROMYEARPER sy-vline 
WA_FINCS_GRPSTR_WA_STR-TOYEARPER sy-vline 
WA_FINCS_GRPSTR_WA_STR-FYEAR sy-vline 
WA_FINCS_GRPSTR_WA_STR-FPERI sy-vline 
WA_FINCS_GRPSTR_WA_STR-FEFLG sy-vline 
WA_FINCS_GRPSTR_WA_STR-LYEAR sy-vline 
WA_FINCS_GRPSTR_WA_STR-LPERI sy-vline 
WA_FINCS_GRPSTR_WA_STR-LBFLG sy-vline 
WA_FINCS_GRPSTR_WA_STR-LMERGERFLG sy-vline 
WA_FINCS_GRPSTR_WA_STR-COIMETH sy-vline      INTO ld_text SEPARATED BY SPACE.

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