ABAP Select data from SAP table FINSTMNT_S_ACCT_BAL 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_ACCT_BAL 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_ACCT_BAL. 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_ACCT_BAL 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_ACCT_BAL TYPE STANDARD TABLE OF FINSTMNT_S_ACCT_BAL,
      WA_FINSTMNT_S_ACCT_BAL TYPE FINSTMNT_S_ACCT_BAL,
      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_ACCT_BAL> TYPE FINSTMNT_S_ACCT_BAL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINSTMNT_S_ACCT_BAL
*  INTO TABLE @DATA(IT_FINSTMNT_S_ACCT_BAL2).
*--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_ACCT_BAL INDEX 1 INTO DATA(WA_FINSTMNT_S_ACCT_BAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINSTMNT_S_ACCT_BAL>-FINANCIALSTATEMENTLEAFITEM = 1.
<FINSTMNT_S_ACCT_BAL>-REPORTINGPERIOD = 1.
<FINSTMNT_S_ACCT_BAL>-DEBITCREDITCODE = 1.
<FINSTMNT_S_ACCT_BAL>-CHARTOFACCOUNTS = 1.
<FINSTMNT_S_ACCT_BAL>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINSTMNT_S_ACCT_BAL-GLACCOUNT, sy-vline,
  WA_FINSTMNT_S_ACCT_BAL-ALTERNATIVEGLACCOUNT, sy-vline,
  WA_FINSTMNT_S_ACCT_BAL-GLACCOUNTEXTERNAL, sy-vline,
  WA_FINSTMNT_S_ACCT_BAL-GLACCOUNTTYPE, sy-vline,
  WA_FINSTMNT_S_ACCT_BAL-CONTROLLINGAREA, sy-vline,
  WA_FINSTMNT_S_ACCT_BAL-COSTCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINSTMNT_S_ACCT_BAL 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_ACCT_BAL 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_ACCT_BAL INTO WA_FINSTMNT_S_ACCT_BAL.


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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit AU132, internal->external for field ENDINGPERIODBALAMTINDSPCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINSTMNT_S_ACCT_BAL-ENDINGPERIODBALAMTINDSPCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINSTMNT_S_ACCT_BAL-ENDINGPERIODBALAMTINDSPCRCY.
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_ACCT_BAL_STR, 
FINANCIALSTATEMENTLEAFITEM TYPE STRING,
REPORTINGPERIOD TYPE STRING,
DEBITCREDITCODE TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
COMPANYCODE TYPE STRING,
GLACCOUNT TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
GLACCOUNTEXTERNAL TYPE STRING,
GLACCOUNTTYPE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
WBSELEMENT TYPE STRING,
CURRENCY TYPE STRING,
PERIODBALAMTINDSPCRCY TYPE STRING,
DEBITPERIODBALAMTINDSPCRCY TYPE STRING,
CREDITPERIODBALAMTINDSPCRCY TYPE STRING,
YEAROPENINGBALAMTINDSPCRCY TYPE STRING,
OPENINGPERIODBALAMTINDSPCRCY TYPE STRING,
ENDINGPERIODBALAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINSTMNT_S_ACCT_BAL_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_ACCT_BAL_STR-FINANCIALSTATEMENTLEAFITEM sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-REPORTINGPERIOD sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-DEBITCREDITCODE sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-CHARTOFACCOUNTS sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-COMPANYCODE sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-GLACCOUNT sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-GLACCOUNTEXTERNAL sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-GLACCOUNTTYPE sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-CONTROLLINGAREA sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-COSTCENTER sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-PROFITCENTER sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-FUNCTIONALAREA sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-BUSINESSAREA sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-SEGMENT sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-WBSELEMENT sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-CURRENCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-PERIODBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-DEBITPERIODBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-CREDITPERIODBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-YEAROPENINGBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-OPENINGPERIODBALAMTINDSPCRCY sy-vline 
WA_FINSTMNT_S_ACCT_BAL_STR-ENDINGPERIODBALAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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