ABAP Select data from SAP table IBACCBALHIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBACCBALHIS
*  INTO TABLE @DATA(IT_IBACCBALHIS2).
*--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_IBACCBALHIS INDEX 1 INTO DATA(WA_IBACCBALHIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBACCBALHIS>-MANDT = 1.
<IBACCBALHIS>-BANKACCOUNTINTERNALID = 1.
<IBACCBALHIS>-CASHBALANCEDATE = 1.
<IBACCBALHIS>-CASHBALANCEKEY = 1.
<IBACCBALHIS>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBACCBALHIS-CASHBALANCEAMOUNT, sy-vline,
  WA_IBACCBALHIS-CASHBALANCECURRENCY, sy-vline,
  WA_IBACCBALHIS-CASHBALANCECHANNEL, sy-vline,
  WA_IBACCBALHIS-CASHBALANCECHANNELTEXT, sy-vline,
  WA_IBACCBALHIS-CASHBALANCETYPE, sy-vline,
  WA_IBACCBALHIS-CASHBALANCETYPETEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBACCBALHIS 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_IBACCBALHIS 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_IBACCBALHIS INTO WA_IBACCBALHIS.


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

*Conversion exit ALPHA, internal->external for field BANKSTATEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBACCBALHIS-BANKSTATEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBACCBALHIS-BANKSTATEMENT.
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_IBACCBALHIS_STR, 
MANDT TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
CASHBALANCEDATE TYPE STRING,
CASHBALANCEKEY TYPE STRING,
COMPANYCODE TYPE STRING,
CASHBALANCEAMOUNT TYPE STRING,
CASHBALANCECURRENCY TYPE STRING,
CASHBALANCECHANNEL TYPE STRING,
CASHBALANCECHANNELTEXT TYPE STRING,
CASHBALANCETYPE TYPE STRING,
CASHBALANCETYPETEXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERNAME TYPE STRING,
CASHBALANCECREATEDATDATETIME TYPE STRING,
BANKSTATEMENTSHORTID TYPE STRING,
BANKSTATEMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBACCBALHIS_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_IBACCBALHIS_STR-MANDT sy-vline 
WA_IBACCBALHIS_STR-BANKACCOUNTINTERNALID sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCEDATE sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCEKEY sy-vline 
WA_IBACCBALHIS_STR-COMPANYCODE sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCEAMOUNT sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCECURRENCY sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCECHANNEL sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCECHANNELTEXT sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCETYPE sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCETYPETEXT sy-vline 
WA_IBACCBALHIS_STR-CREATEDBYUSER sy-vline 
WA_IBACCBALHIS_STR-CREATEDBYUSERNAME sy-vline 
WA_IBACCBALHIS_STR-CASHBALANCECREATEDATDATETIME sy-vline 
WA_IBACCBALHIS_STR-BANKSTATEMENTSHORTID sy-vline 
WA_IBACCBALHIS_STR-BANKSTATEMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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