ABAP Select data from SAP table FINCS_GRPSTR 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 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. 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 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 TYPE STANDARD TABLE OF FINCS_GRPSTR,
      WA_FINCS_GRPSTR TYPE FINCS_GRPSTR,
      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> TYPE FINCS_GRPSTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINCS_GRPSTR
*  INTO TABLE @DATA(IT_FINCS_GRPSTR2).
*--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 INDEX 1 INTO DATA(WA_FINCS_GRPSTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINCS_GRPSTR>-MANDT = 1.
<FINCS_GRPSTR>-DIMEN = 1.
<FINCS_GRPSTR>-STRVS = 1.
<FINCS_GRPSTR>-CONGR = 1.
<FINCS_GRPSTR>-BUNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINCS_GRPSTR-FROMYEARPER, sy-vline,
  WA_FINCS_GRPSTR-TOYEARPER, sy-vline,
  WA_FINCS_GRPSTR-FYEAR, sy-vline,
  WA_FINCS_GRPSTR-FPERI, sy-vline,
  WA_FINCS_GRPSTR-FEFLG, sy-vline,
  WA_FINCS_GRPSTR-LYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINCS_GRPSTR 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 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 INTO WA_FINCS_GRPSTR.


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

*Conversion exit AFIMC, internal->external for field CONGR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_GRPSTR-CONGR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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-BUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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-FROMYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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-TOYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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-LYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_GRPSTR-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_STR, 
MANDT TYPE STRING,
DIMEN TYPE STRING,
STRVS 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,
COITP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINCS_GRPSTR_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_STR-MANDT sy-vline 
WA_FINCS_GRPSTR_STR-DIMEN sy-vline 
WA_FINCS_GRPSTR_STR-STRVS sy-vline 
WA_FINCS_GRPSTR_STR-CONGR sy-vline 
WA_FINCS_GRPSTR_STR-BUNIT sy-vline 
WA_FINCS_GRPSTR_STR-FROMYEARPER sy-vline 
WA_FINCS_GRPSTR_STR-TOYEARPER sy-vline 
WA_FINCS_GRPSTR_STR-FYEAR sy-vline 
WA_FINCS_GRPSTR_STR-FPERI sy-vline 
WA_FINCS_GRPSTR_STR-FEFLG sy-vline 
WA_FINCS_GRPSTR_STR-LYEAR sy-vline 
WA_FINCS_GRPSTR_STR-LPERI sy-vline 
WA_FINCS_GRPSTR_STR-LBFLG sy-vline 
WA_FINCS_GRPSTR_STR-LMERGERFLG sy-vline 
WA_FINCS_GRPSTR_STR-COIMETH sy-vline 
WA_FINCS_GRPSTR_STR-COITP sy-vline      INTO ld_text SEPARATED BY SPACE.

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