ABAP Select data from SAP table FINSTMNT_S_FIELDCAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINSTMNT_S_FIELDCAT
*  INTO TABLE @DATA(IT_FINSTMNT_S_FIELDCAT2).
*--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_FINSTMNT_S_FIELDCAT INDEX 1 INTO DATA(WA_FINSTMNT_S_FIELDCAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINSTMNT_S_FIELDCAT>-HIERARCHYNODE = 1.
<FINSTMNT_S_FIELDCAT>-PARENTNODE = 1.
<FINSTMNT_S_FIELDCAT>-DEBITCREDITCODE = 1.
<FINSTMNT_S_FIELDCAT>-NODETYPE = 1.
<FINSTMNT_S_FIELDCAT>-NODECATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINSTMNT_S_FIELDCAT-SIGNISINVERTED, sy-vline,
  WA_FINSTMNT_S_FIELDCAT-FSLEAF, sy-vline,
  WA_FINSTMNT_S_FIELDCAT-RLDNR, sy-vline,
  WA_FINSTMNT_S_FIELDCAT-KTOPL, sy-vline,
  WA_FINSTMNT_S_FIELDCAT-RBUKRS, sy-vline,
  WA_FINSTMNT_S_FIELDCAT-RACCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINSTMNT_S_FIELDCAT 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_FINSTMNT_S_FIELDCAT 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_FINSTMNT_S_FIELDCAT INTO WA_FINSTMNT_S_FIELDCAT.


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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-PS_POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field PERIODBALANCEAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-PERIODBALANCEAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-PERIODBALANCEAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field PERIODBALAMTINDSPCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-PERIODBALAMTINDSPCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-PERIODBALAMTINDSPCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DEBITAMTINDISPLAYCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-DEBITAMTINDISPLAYCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-DEBITAMTINDISPLAYCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field CREDITAMTINDISPLAYCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-CREDITAMTINDISPLAYCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-CREDITAMTINDISPLAYCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field YEARLYBALAMTINDSPCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-YEARLYBALAMTINDSPCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-YEARLYBALAMTINDSPCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field STARTINGBALAMTINDSPCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-STARTINGBALAMTINDSPCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-STARTINGBALAMTINDSPCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field ENDINGBALAMTINDSPCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_FIELDCAT-ENDINGBALAMTINDSPCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_FIELDCAT-ENDINGBALAMTINDSPCRCY.
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_FINSTMNT_S_FIELDCAT_STR, 
HIERARCHYNODE TYPE STRING,
PARENTNODE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
NODETYPE TYPE STRING,
NODECATEGORY TYPE STRING,
SIGNISINVERTED TYPE STRING,
FSLEAF TYPE STRING,
RLDNR TYPE STRING,
KTOPL TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
KTOP2 TYPE STRING,
ALTKT TYPE STRING,
KKTPL TYPE STRING,
BILKT TYPE STRING,
RFAREA TYPE STRING,
KOKRS TYPE STRING,
PRCTR TYPE STRING,
RCNTR TYPE STRING,
RBUSA TYPE STRING,
SEGMENT TYPE STRING,
RYEAR TYPE STRING,
PS_POSID TYPE STRING,
EXTENSIBILITYSCENARIOID TYPE STRING,
PERIOD TYPE STRING,
WAERS TYPE STRING,
PERIODBALANCEAMOUNT TYPE STRING,
PERIODBALAMTINDSPCRCY TYPE STRING,
DEBITAMTINDISPLAYCRCY TYPE STRING,
CREDITAMTINDISPLAYCRCY TYPE STRING,
YEARLYBALAMTINDSPCRCY TYPE STRING,
STARTINGBALAMTINDSPCRCY TYPE STRING,
ENDINGBALAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINSTMNT_S_FIELDCAT_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_FINSTMNT_S_FIELDCAT_STR-HIERARCHYNODE sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PARENTNODE sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-DEBITCREDITCODE sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-NODETYPE sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-NODECATEGORY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-SIGNISINVERTED sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-FSLEAF sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RLDNR sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-KTOPL sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RBUKRS sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RACCT sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-KTOP2 sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-ALTKT sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-KKTPL sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-BILKT sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RFAREA sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-KOKRS sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PRCTR sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RCNTR sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RBUSA sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-SEGMENT sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-RYEAR sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PS_POSID sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-EXTENSIBILITYSCENARIOID sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PERIOD sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-WAERS sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PERIODBALANCEAMOUNT sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-PERIODBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-DEBITAMTINDISPLAYCRCY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-CREDITAMTINDISPLAYCRCY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-YEARLYBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-STARTINGBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_FIELDCAT_STR-ENDINGBALAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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