ABAP Select data from SAP table EXB1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EXB1 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 EXB1. 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 EXB1 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_EXB1 TYPE STANDARD TABLE OF EXB1,
      WA_EXB1 TYPE EXB1,
      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: <EXB1> TYPE EXB1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EXB1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EXB1
  INTO TABLE IT_EXB1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EXB1
*  INTO TABLE @DATA(IT_EXB12).
*--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_EXB1 INDEX 1 INTO DATA(WA_EXB12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EXB1 ASSIGNING <EXB1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EXB1>-CONTROLLER = 1.
<EXB1>-EMPLOYER = 1.
<EXB1>-CONTROLLER = 1.
<EXB1>-NAME = 1.
<EXB1>-DECLARATIONS = 1.

ENDLOOP.

LOOP AT IT_EXB1 INTO WA_EXB1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EXB1-CONTROLLER, sy-vline,
  WA_EXB1-P11DINCLUDED, sy-vline,
  WA_EXB1-P46CAR_DECLARATION, sy-vline,
  WA_EXB1-P11DB, sy-vline,
  WA_EXB1-CONTROLLER, sy-vline,
  WA_EXB1-CLASS1ACONTRIBUTIONS_DUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EXB1 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_EXB1 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_EXB1 INTO WA_EXB1.


*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_EXB1_STR, 
CONTROLLER TYPE STRING,
EMPLOYER TYPE STRING,
CONTROLLER TYPE STRING,
NAME TYPE STRING,
DECLARATIONS TYPE STRING,
CONTROLLER TYPE STRING,
P11DINCLUDED TYPE STRING,
P46CAR_DECLARATION TYPE STRING,
P11DB TYPE STRING,
CONTROLLER TYPE STRING,
CLASS1ACONTRIBUTIONS_DUE TYPE STRING,
CONTROLLER TYPE STRING,
TOTAL_BENEFIT TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
ADJUSTMENT_REQUIRED TYPE STRING,
NICPAYABLE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
ADJUSTMENTS TYPE STRING,
CONTROLLER TYPE STRING,
TOTAL_BENEFIT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
AMOUNT_DUE TYPE STRING,
CONTROLLER TYPE STRING,
DESCRIPTION TYPE STRING,
ADJUSTMENT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
AMOUNT_NOT_DUE TYPE STRING,
CONTROLLER TYPE STRING,
DESCRIPTION TYPE STRING,
ADJUSTMENT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
TOTAL TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
PAYABLE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
NICS_RATE TYPE STRING,
P11DRECORD_COUNT TYPE STRING,
P46CAR_RECORD_COUNT TYPE STRING,
P11D TYPE STRING,
P46CAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EXB1_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_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-EMPLOYER sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-NAME sy-vline 
WA_EXB1_STR-DECLARATIONS sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-P11DINCLUDED sy-vline 
WA_EXB1_STR-P46CAR_DECLARATION sy-vline 
WA_EXB1_STR-P11DB sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CLASS1ACONTRIBUTIONS_DUE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-TOTAL_BENEFIT sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-BASE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-ADJUSTMENT_REQUIRED sy-vline 
WA_EXB1_STR-NICPAYABLE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-ADJUSTMENTS sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-TOTAL_BENEFIT sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-AMOUNT_DUE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-DESCRIPTION sy-vline 
WA_EXB1_STR-ADJUSTMENT sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-AMOUNT_NOT_DUE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-DESCRIPTION sy-vline 
WA_EXB1_STR-ADJUSTMENT sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-TOTAL sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-PAYABLE sy-vline 
WA_EXB1_STR-CONTROLLER sy-vline 
WA_EXB1_STR-CURRENCY sy-vline 
WA_EXB1_STR-CONTENT sy-vline 
WA_EXB1_STR-NICS_RATE sy-vline 
WA_EXB1_STR-P11DRECORD_COUNT sy-vline 
WA_EXB1_STR-P46CAR_RECORD_COUNT sy-vline 
WA_EXB1_STR-P11D sy-vline 
WA_EXB1_STR-P46CAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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