ABAP Select data from SAP table BASE_REC_ACC_STMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BASE_REC_ACC_STMT
*  INTO TABLE @DATA(IT_BASE_REC_ACC_STMT2).
*--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_BASE_REC_ACC_STMT INDEX 1 INTO DATA(WA_BASE_REC_ACC_STMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BASE_REC_ACC_STMT>-MATCODE = 1.
<BASE_REC_ACC_STMT>-RECCODE = 1.
<BASE_REC_ACC_STMT>-RECLEN = 1.
<BASE_REC_ACC_STMT>-VERNO = 1.
<BASE_REC_ACC_STMT>-ACCOUNTNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BASE_REC_ACC_STMT-AZNUM, sy-vline,
  WA_BASE_REC_ACC_STMT-BLAUFDAT, sy-vline,
  WA_BASE_REC_ACC_STMT-ELAUFDAT, sy-vline,
  WA_BASE_REC_ACC_STMT-CREATION, sy-vline,
  WA_BASE_REC_ACC_STMT-CREAT_TIME, sy-vline,
  WA_BASE_REC_ACC_STMT-CUST_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BASE_REC_ACC_STMT 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_BASE_REC_ACC_STMT 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_BASE_REC_ACC_STMT INTO WA_BASE_REC_ACC_STMT.


*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_BASE_REC_ACC_STMT_STR, 
MATCODE TYPE STRING,
RECCODE TYPE STRING,
RECLEN TYPE STRING,
VERNO TYPE STRING,
ACCOUNTNO TYPE STRING,
AZNUM TYPE STRING,
BLAUFDAT TYPE STRING,
ELAUFDAT TYPE STRING,
CREATION TYPE STRING,
CREAT_TIME TYPE STRING,
CUST_CODE TYPE STRING,
OPEN_DATE TYPE STRING,
SSVOZ TYPE STRING,
AMOUNT TYPE STRING,
NUMBER_REC TYPE STRING,
CURR_CODE TYPE STRING,
ACCOUNT TYPE STRING,
ACC_LIMIT TYPE STRING,
ACC_HOLDER TYPE STRING,
CONTACT1 TYPE STRING,
CONTACT2 TYPE STRING,
DATA_BANK1 TYPE STRING,
DATA_BANK2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BASE_REC_ACC_STMT_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_BASE_REC_ACC_STMT_STR-MATCODE sy-vline 
WA_BASE_REC_ACC_STMT_STR-RECCODE sy-vline 
WA_BASE_REC_ACC_STMT_STR-RECLEN sy-vline 
WA_BASE_REC_ACC_STMT_STR-VERNO sy-vline 
WA_BASE_REC_ACC_STMT_STR-ACCOUNTNO sy-vline 
WA_BASE_REC_ACC_STMT_STR-AZNUM sy-vline 
WA_BASE_REC_ACC_STMT_STR-BLAUFDAT sy-vline 
WA_BASE_REC_ACC_STMT_STR-ELAUFDAT sy-vline 
WA_BASE_REC_ACC_STMT_STR-CREATION sy-vline 
WA_BASE_REC_ACC_STMT_STR-CREAT_TIME sy-vline 
WA_BASE_REC_ACC_STMT_STR-CUST_CODE sy-vline 
WA_BASE_REC_ACC_STMT_STR-OPEN_DATE sy-vline 
WA_BASE_REC_ACC_STMT_STR-SSVOZ sy-vline 
WA_BASE_REC_ACC_STMT_STR-AMOUNT sy-vline 
WA_BASE_REC_ACC_STMT_STR-NUMBER_REC sy-vline 
WA_BASE_REC_ACC_STMT_STR-CURR_CODE sy-vline 
WA_BASE_REC_ACC_STMT_STR-ACCOUNT sy-vline 
WA_BASE_REC_ACC_STMT_STR-ACC_LIMIT sy-vline 
WA_BASE_REC_ACC_STMT_STR-ACC_HOLDER sy-vline 
WA_BASE_REC_ACC_STMT_STR-CONTACT1 sy-vline 
WA_BASE_REC_ACC_STMT_STR-CONTACT2 sy-vline 
WA_BASE_REC_ACC_STMT_STR-DATA_BANK1 sy-vline 
WA_BASE_REC_ACC_STMT_STR-DATA_BANK2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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