ABAP Select data from SAP table /MDG/_SF_IS_PP_BNK_ACT_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MDG/_SF_IS_PP_BNK_ACT_C 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 /MDG/_SF_IS_PP_BNK_ACT_C. 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 /MDG/_SF_IS_PP_BNK_ACT_C 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_/MDG/_SF_IS_PP_BNK_ACT_C TYPE STANDARD TABLE OF /MDG/_SF_IS_PP_BNK_ACT_C,
      WA_/MDG/_SF_IS_PP_BNK_ACT_C TYPE /MDG/_SF_IS_PP_BNK_ACT_C,
      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: </MDG/_SF_IS_PP_BNK_ACT_C> TYPE /MDG/_SF_IS_PP_BNK_ACT_C.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MDG/_SF_IS_PP_BNK_ACT_C
  INTO TABLE IT_/MDG/_SF_IS_PP_BNK_ACT_C.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MDG/_SF_IS_PP_BNK_ACT_C
*  INTO TABLE @DATA(IT_/MDG/_SF_IS_PP_BNK_ACT_C2).
*--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_/MDG/_SF_IS_PP_BNK_ACT_C INDEX 1 INTO DATA(WA_/MDG/_SF_IS_PP_BNK_ACT_C2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MDG/_SF_IS_PP_BNK_ACT_C ASSIGNING </MDG/_SF_IS_PP_BNK_ACT_C>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MDG/_SF_IS_PP_BNK_ACT_C>-BANK_ID_C = 1.
</MDG/_SF_IS_PP_BNK_ACT_C>-SYSTEM = 1.
</MDG/_SF_IS_PP_BNK_ACT_C>-CUST_BNK = 1.
</MDG/_SF_IS_PP_BNK_ACT_C>-ACCNAME = 1.
</MDG/_SF_IS_PP_BNK_ACT_C>-ACCOUNT_I = 1.

ENDLOOP.

LOOP AT IT_/MDG/_SF_IS_PP_BNK_ACT_C INTO WA_/MDG/_SF_IS_PP_BNK_ACT_C.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MDG/_SF_IS_PP_BNK_ACT_C-ACCOUNT_T, sy-vline,
  WA_/MDG/_SF_IS_PP_BNK_ACT_C-ACT_HOLDE, sy-vline,
  WA_/MDG/_SF_IS_PP_BNK_ACT_C-BANKA, sy-vline,
  WA_/MDG/_SF_IS_PP_BNK_ACT_C-BANK_ACT, sy-vline,
  WA_/MDG/_SF_IS_PP_BNK_ACT_C-BANK_CTRY, sy-vline,
  WA_/MDG/_SF_IS_PP_BNK_ACT_C-BANK_KEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MDG/_SF_IS_PP_BNK_ACT_C 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_/MDG/_SF_IS_PP_BNK_ACT_C 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_/MDG/_SF_IS_PP_BNK_ACT_C INTO WA_/MDG/_SF_IS_PP_BNK_ACT_C.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/MDG/_SF_IS_PP_BNK_ACT_C_STR, 
BANK_ID_C TYPE STRING,
SYSTEM TYPE STRING,
CUST_BNK TYPE STRING,
ACCNAME TYPE STRING,
ACCOUNT_I TYPE STRING,
ACCOUNT_T TYPE STRING,
ACT_HOLDE TYPE STRING,
BANKA TYPE STRING,
BANK_ACT TYPE STRING,
BANK_CTRY TYPE STRING,
BANK_KEY TYPE STRING,
BKEXT TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
BK_MOVE_D TYPE STRING,
BK_VALIDF TYPE STRING,
BK_VALIDT TYPE STRING,
CHECK_DIG TYPE STRING,
CHIND_BAN TYPE STRING,
IBAN TYPE STRING,
MOVE_BKVI TYPE STRING,
SWIFT TYPE STRING,
XEZER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MDG/_SF_IS_PP_BNK_ACT_C_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_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BANK_ID_C sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-SYSTEM sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-CUST_BNK sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-ACCNAME sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-ACCOUNT_I sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-ACCOUNT_T sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-ACT_HOLDE sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BANKA sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BANK_ACT sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BANK_CTRY sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BANK_KEY sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BKEXT sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BKONT sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BKREF sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BK_MOVE_D sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BK_VALIDF sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-BK_VALIDT sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-CHECK_DIG sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-CHIND_BAN sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-IBAN sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-MOVE_BKVI sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-SWIFT sy-vline 
WA_/MDG/_SF_IS_PP_BNK_ACT_C_STR-XEZER sy-vline      INTO ld_text SEPARATED BY SPACE.

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