ABAP Select data from SAP table FMCA_TRM_WD_REG_BNKAS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_TRM_WD_REG_BNKAS
*  INTO TABLE @DATA(IT_FMCA_TRM_WD_REG_BNKAS2).
*--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_FMCA_TRM_WD_REG_BNKAS INDEX 1 INTO DATA(WA_FMCA_TRM_WD_REG_BNKAS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_TRM_WD_REG_BNKAS>-BANKS = 1.
<FMCA_TRM_WD_REG_BNKAS>-BANKL = 1.
<FMCA_TRM_WD_REG_BNKAS>-BANKA = 1.
<FMCA_TRM_WD_REG_BNKAS>-STRAS = 1.
<FMCA_TRM_WD_REG_BNKAS>-ORT01 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_TRM_WD_REG_BNKAS-SWIFT, sy-vline,
  WA_FMCA_TRM_WD_REG_BNKAS-BNKLZ, sy-vline,
  WA_FMCA_TRM_WD_REG_BNKAS-BRNCH, sy-vline,
  WA_FMCA_TRM_WD_REG_BNKAS-BANKN, sy-vline,
  WA_FMCA_TRM_WD_REG_BNKAS-BKVID, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_TRM_WD_REG_BNKAS 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_FMCA_TRM_WD_REG_BNKAS 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_FMCA_TRM_WD_REG_BNKAS INTO WA_FMCA_TRM_WD_REG_BNKAS.


*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_FMCA_TRM_WD_REG_BNKAS_STR, 
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKA TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
SWIFT TYPE STRING,
BNKLZ TYPE STRING,
BRNCH TYPE STRING,
BANKN TYPE STRING,
BKVID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_TRM_WD_REG_BNKAS_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_FMCA_TRM_WD_REG_BNKAS_STR-BANKS sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BANKL sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BANKA sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-STRAS sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-ORT01 sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-SWIFT sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BNKLZ sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BRNCH sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BANKN sy-vline 
WA_FMCA_TRM_WD_REG_BNKAS_STR-BKVID sy-vline      INTO ld_text SEPARATED BY SPACE.

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