ABAP Select data from SAP table E3TPE1101 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E3TPE1101 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 E3TPE1101. 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 E3TPE1101 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_E3TPE1101 TYPE STANDARD TABLE OF E3TPE1101,
      WA_E3TPE1101 TYPE E3TPE1101,
      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: <E3TPE1101> TYPE E3TPE1101.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E3TPE1101.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E3TPE1101
  INTO TABLE IT_E3TPE1101.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E3TPE1101
*  INTO TABLE @DATA(IT_E3TPE11012).
*--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_E3TPE1101 INDEX 1 INTO DATA(WA_E3TPE11012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E3TPE1101 ASSIGNING <E3TPE1101>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E3TPE1101>-TKNUM = 1.
<E3TPE1101>-DATTYP = 1.
<E3TPE1101>-DATTXT = 1.
<E3TPE1101>-EVTNUM = 1.
<E3TPE1101>-BPDATE = 1.

ENDLOOP.

LOOP AT IT_E3TPE1101 INTO WA_E3TPE1101.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E3TPE1101-BPTIME, sy-vline,
  WA_E3TPE1101-BADATE, sy-vline,
  WA_E3TPE1101-BATIME, sy-vline,
  WA_E3TPE1101-BTZONE, sy-vline,
  WA_E3TPE1101-EPDATE, sy-vline,
  WA_E3TPE1101-EPTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E3TPE1101 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_E3TPE1101 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_E3TPE1101 INTO WA_E3TPE1101.


*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 TKNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3TPE1101-TKNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3TPE1101-TKNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field EVTNUM
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_E3TPE1101-EVTNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3TPE1101-EVTNUM.
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_E3TPE1101_STR, 
TKNUM TYPE STRING,
DATTYP TYPE STRING,
DATTXT TYPE STRING,
EVTNUM TYPE STRING,
BPDATE TYPE STRING,
BPTIME TYPE STRING,
BADATE TYPE STRING,
BATIME TYPE STRING,
BTZONE TYPE STRING,
EPDATE TYPE STRING,
EPTIME TYPE STRING,
EADATE TYPE STRING,
EATIME TYPE STRING,
ETZONE TYPE STRING,
DEREAS TYPE STRING,
DERTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E3TPE1101_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_E3TPE1101_STR-TKNUM sy-vline 
WA_E3TPE1101_STR-DATTYP sy-vline 
WA_E3TPE1101_STR-DATTXT sy-vline 
WA_E3TPE1101_STR-EVTNUM sy-vline 
WA_E3TPE1101_STR-BPDATE sy-vline 
WA_E3TPE1101_STR-BPTIME sy-vline 
WA_E3TPE1101_STR-BADATE sy-vline 
WA_E3TPE1101_STR-BATIME sy-vline 
WA_E3TPE1101_STR-BTZONE sy-vline 
WA_E3TPE1101_STR-EPDATE sy-vline 
WA_E3TPE1101_STR-EPTIME sy-vline 
WA_E3TPE1101_STR-EADATE sy-vline 
WA_E3TPE1101_STR-EATIME sy-vline 
WA_E3TPE1101_STR-ETZONE sy-vline 
WA_E3TPE1101_STR-DEREAS sy-vline 
WA_E3TPE1101_STR-DERTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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