ABAP Select data from SAP table BANKACCSIGWD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BANKACCSIGWD
*  INTO TABLE @DATA(IT_BANKACCSIGWD2).
*--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_BANKACCSIGWD INDEX 1 INTO DATA(WA_BANKACCSIGWD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BANKACCSIGWD>-MANDT = 1.
<BANKACCSIGWD>-DRAFTUUID = 1.
<BANKACCSIGWD>-PARENTDRAFTUUID = 1.
<BANKACCSIGWD>-BANKACCOUNTINTERNALID = 1.
<BANKACCSIGWD>-SIGNATORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BANKACCSIGWD-VALIDTO, sy-vline,
  WA_BANKACCSIGWD-BANKACCOUNTREVISION, sy-vline,
  WA_BANKACCSIGWD-SIGNATORYFOREDIT, sy-vline,
  WA_BANKACCSIGWD-SIGNATORYFULLNAME, sy-vline,
  WA_BANKACCSIGWD-VALIDTOFOREDIT, sy-vline,
  WA_BANKACCSIGWD-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BANKACCSIGWD 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_BANKACCSIGWD 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_BANKACCSIGWD INTO WA_BANKACCSIGWD.


*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 AC172, internal->external for field PAYMENTAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_BANKACCSIGWD-PAYMENTAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BANKACCSIGWD-PAYMENTAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field PAYMENTBATCHAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_BANKACCSIGWD-PAYMENTBATCHAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BANKACCSIGWD-PAYMENTBATCHAMOUNT.
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_BANKACCSIGWD_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
SIGNATORY TYPE STRING,
VALIDTO TYPE STRING,
BANKACCOUNTREVISION TYPE STRING,
SIGNATORYFOREDIT TYPE STRING,
SIGNATORYFULLNAME TYPE STRING,
VALIDTOFOREDIT TYPE STRING,
CURRENCY TYPE STRING,
VALIDFROM TYPE STRING,
SIGNATORYGROUP TYPE STRING,
PAYMENTAMOUNT TYPE STRING,
PAYMENTBATCHAMOUNT TYPE STRING,
PAYMENTAPPROVALISUNLIMITED TYPE STRING,
ISVALID TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BANKACCSIGWD_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_BANKACCSIGWD_STR-MANDT sy-vline 
WA_BANKACCSIGWD_STR-DRAFTUUID sy-vline 
WA_BANKACCSIGWD_STR-PARENTDRAFTUUID sy-vline 
WA_BANKACCSIGWD_STR-BANKACCOUNTINTERNALID sy-vline 
WA_BANKACCSIGWD_STR-SIGNATORY sy-vline 
WA_BANKACCSIGWD_STR-VALIDTO sy-vline 
WA_BANKACCSIGWD_STR-BANKACCOUNTREVISION sy-vline 
WA_BANKACCSIGWD_STR-SIGNATORYFOREDIT sy-vline 
WA_BANKACCSIGWD_STR-SIGNATORYFULLNAME sy-vline 
WA_BANKACCSIGWD_STR-VALIDTOFOREDIT sy-vline 
WA_BANKACCSIGWD_STR-CURRENCY sy-vline 
WA_BANKACCSIGWD_STR-VALIDFROM sy-vline 
WA_BANKACCSIGWD_STR-SIGNATORYGROUP sy-vline 
WA_BANKACCSIGWD_STR-PAYMENTAMOUNT sy-vline 
WA_BANKACCSIGWD_STR-PAYMENTBATCHAMOUNT sy-vline 
WA_BANKACCSIGWD_STR-PAYMENTAPPROVALISUNLIMITED sy-vline 
WA_BANKACCSIGWD_STR-ISVALID sy-vline 
WA_BANKACCSIGWD_STR-ISMARKEDFORDELETION sy-vline 
WA_BANKACCSIGWD_STR-HASACTIVEENTITY sy-vline 
WA_BANKACCSIGWD_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_BANKACCSIGWD_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_BANKACCSIGWD_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_BANKACCSIGWD_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_BANKACCSIGWD_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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