ABAP Select data from SAP table EKBNK_MA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EKBNK_MA
*  INTO TABLE @DATA(IT_EKBNK_MA2).
*--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_EKBNK_MA INDEX 1 INTO DATA(WA_EKBNK_MA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EKBNK_MA>-EBELN = 1.
<EKBNK_MA>-EBELP = 1.
<EKBNK_MA>-STUNR = 1.
<EKBNK_MA>-ZAEHK = 1.
<EKBNK_MA>-ZEKKN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EKBNK_MA-KSCHL, sy-vline,
  WA_EKBNK_MA-FRWMG, sy-vline,
  WA_EKBNK_MA-FRWMG_F, sy-vline,
  WA_EKBNK_MA-BPFRW, sy-vline,
  WA_EKBNK_MA-BPFRW_F, sy-vline,
  WA_EKBNK_MA-NAWMG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EKBNK_MA 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_EKBNK_MA 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_EKBNK_MA INTO WA_EKBNK_MA.


*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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EKBNK_MA-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EKBNK_MA-EBELN.
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_EKBNK_MA_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
ZEKKN TYPE STRING,
KSCHL TYPE STRING,
FRWMG TYPE STRING,
FRWMG_F TYPE STRING,
BPFRW TYPE STRING,
BPFRW_F TYPE STRING,
NAWMG TYPE STRING,
NAWMG_F TYPE STRING,
BPNAW TYPE STRING,
BPNAW_F TYPE STRING,
FNWMG TYPE STRING,
FNWMG_F TYPE STRING,
BPFNW TYPE STRING,
BPFNW_F TYPE STRING,
FRRMG TYPE STRING,
FRRMG_F TYPE STRING,
BPFRR TYPE STRING,
BPFRR_F TYPE STRING,
FRWWR TYPE STRING,
FRWFR TYPE STRING,
NAWWR TYPE STRING,
NAWFR TYPE STRING,
FNWWR TYPE STRING,
FNWFR TYPE STRING,
FRRWR TYPE STRING,
FRRFR TYPE STRING,
FRRWB TYPE STRING,
FRAWE TYPE STRING,
FRAWW TYPE STRING,
FRAWB TYPE STRING,
PARKED_QTY TYPE STRING,
PARKED_QTY_F TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EKBNK_MA_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_EKBNK_MA_STR-EBELN sy-vline 
WA_EKBNK_MA_STR-EBELP sy-vline 
WA_EKBNK_MA_STR-STUNR sy-vline 
WA_EKBNK_MA_STR-ZAEHK sy-vline 
WA_EKBNK_MA_STR-ZEKKN sy-vline 
WA_EKBNK_MA_STR-KSCHL sy-vline 
WA_EKBNK_MA_STR-FRWMG sy-vline 
WA_EKBNK_MA_STR-FRWMG_F sy-vline 
WA_EKBNK_MA_STR-BPFRW sy-vline 
WA_EKBNK_MA_STR-BPFRW_F sy-vline 
WA_EKBNK_MA_STR-NAWMG sy-vline 
WA_EKBNK_MA_STR-NAWMG_F sy-vline 
WA_EKBNK_MA_STR-BPNAW sy-vline 
WA_EKBNK_MA_STR-BPNAW_F sy-vline 
WA_EKBNK_MA_STR-FNWMG sy-vline 
WA_EKBNK_MA_STR-FNWMG_F sy-vline 
WA_EKBNK_MA_STR-BPFNW sy-vline 
WA_EKBNK_MA_STR-BPFNW_F sy-vline 
WA_EKBNK_MA_STR-FRRMG sy-vline 
WA_EKBNK_MA_STR-FRRMG_F sy-vline 
WA_EKBNK_MA_STR-BPFRR sy-vline 
WA_EKBNK_MA_STR-BPFRR_F sy-vline 
WA_EKBNK_MA_STR-FRWWR sy-vline 
WA_EKBNK_MA_STR-FRWFR sy-vline 
WA_EKBNK_MA_STR-NAWWR sy-vline 
WA_EKBNK_MA_STR-NAWFR sy-vline 
WA_EKBNK_MA_STR-FNWWR sy-vline 
WA_EKBNK_MA_STR-FNWFR sy-vline 
WA_EKBNK_MA_STR-FRRWR sy-vline 
WA_EKBNK_MA_STR-FRRFR sy-vline 
WA_EKBNK_MA_STR-FRRWB sy-vline 
WA_EKBNK_MA_STR-FRAWE sy-vline 
WA_EKBNK_MA_STR-FRAWW sy-vline 
WA_EKBNK_MA_STR-FRAWB sy-vline 
WA_EKBNK_MA_STR-PARKED_QTY sy-vline 
WA_EKBNK_MA_STR-PARKED_QTY_F sy-vline      INTO ld_text SEPARATED BY SPACE.

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