ABAP Select data from SAP table E1BP_DOC_DRAW2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1BP_DOC_DRAW2 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 E1BP_DOC_DRAW2. 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 E1BP_DOC_DRAW2 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_E1BP_DOC_DRAW2 TYPE STANDARD TABLE OF E1BP_DOC_DRAW2,
      WA_E1BP_DOC_DRAW2 TYPE E1BP_DOC_DRAW2,
      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: <E1BP_DOC_DRAW2> TYPE E1BP_DOC_DRAW2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1BP_DOC_DRAW2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1BP_DOC_DRAW2
  INTO TABLE IT_E1BP_DOC_DRAW2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1BP_DOC_DRAW2
*  INTO TABLE @DATA(IT_E1BP_DOC_DRAW22).
*--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_E1BP_DOC_DRAW2 INDEX 1 INTO DATA(WA_E1BP_DOC_DRAW22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1BP_DOC_DRAW2 ASSIGNING <E1BP_DOC_DRAW2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1BP_DOC_DRAW2>-DOCUMENTTYPE = 1.
<E1BP_DOC_DRAW2>-DOCUMENTNUMBER = 1.
<E1BP_DOC_DRAW2>-DOCUMENTVERSION = 1.
<E1BP_DOC_DRAW2>-DOCUMENTPART = 1.
<E1BP_DOC_DRAW2>-DESCRIPTION = 1.

ENDLOOP.

LOOP AT IT_E1BP_DOC_DRAW2 INTO WA_E1BP_DOC_DRAW2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1BP_DOC_DRAW2-USERNAME, sy-vline,
  WA_E1BP_DOC_DRAW2-STATUSEXTERN, sy-vline,
  WA_E1BP_DOC_DRAW2-STATUSINTERN, sy-vline,
  WA_E1BP_DOC_DRAW2-STATUSLOG, sy-vline,
  WA_E1BP_DOC_DRAW2-LABORATORY, sy-vline,
  WA_E1BP_DOC_DRAW2-ECNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1BP_DOC_DRAW2 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_E1BP_DOC_DRAW2 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_E1BP_DOC_DRAW2 INTO WA_E1BP_DOC_DRAW2.


*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_E1BP_DOC_DRAW2_STR, 
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
DESCRIPTION TYPE STRING,
USERNAME TYPE STRING,
STATUSEXTERN TYPE STRING,
STATUSINTERN TYPE STRING,
STATUSLOG TYPE STRING,
LABORATORY TYPE STRING,
ECNUMBER TYPE STRING,
VALIDFROMDATE TYPE STRING,
REVLEVEL TYPE STRING,
DELETEINDICATOR TYPE STRING,
CADINDICATOR TYPE STRING,
STRUCTUREINDICATOR TYPE STRING,
PREDOCUMENTNUMBER TYPE STRING,
PREDOCUMENTVERSION TYPE STRING,
PREDOCUMENTPART TYPE STRING,
PREDOCUMENTTYPE TYPE STRING,
AUTHORITYGROUP TYPE STRING,
DOCFILE1 TYPE STRING,
DATACARRIER1 TYPE STRING,
WSAPPLICATION1 TYPE STRING,
DOCFILE2 TYPE STRING,
DATACARRIER2 TYPE STRING,
WSAPPLICATION2 TYPE STRING,
VRLDAT TYPE STRING,
USERDEFINED1 TYPE STRING,
USERDEFINED2 TYPE STRING,
USERDEFINED3 TYPE STRING,
USERDEFINED4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1BP_DOC_DRAW2_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_E1BP_DOC_DRAW2_STR-DOCUMENTTYPE sy-vline 
WA_E1BP_DOC_DRAW2_STR-DOCUMENTNUMBER sy-vline 
WA_E1BP_DOC_DRAW2_STR-DOCUMENTVERSION sy-vline 
WA_E1BP_DOC_DRAW2_STR-DOCUMENTPART sy-vline 
WA_E1BP_DOC_DRAW2_STR-DESCRIPTION sy-vline 
WA_E1BP_DOC_DRAW2_STR-USERNAME sy-vline 
WA_E1BP_DOC_DRAW2_STR-STATUSEXTERN sy-vline 
WA_E1BP_DOC_DRAW2_STR-STATUSINTERN sy-vline 
WA_E1BP_DOC_DRAW2_STR-STATUSLOG sy-vline 
WA_E1BP_DOC_DRAW2_STR-LABORATORY sy-vline 
WA_E1BP_DOC_DRAW2_STR-ECNUMBER sy-vline 
WA_E1BP_DOC_DRAW2_STR-VALIDFROMDATE sy-vline 
WA_E1BP_DOC_DRAW2_STR-REVLEVEL sy-vline 
WA_E1BP_DOC_DRAW2_STR-DELETEINDICATOR sy-vline 
WA_E1BP_DOC_DRAW2_STR-CADINDICATOR sy-vline 
WA_E1BP_DOC_DRAW2_STR-STRUCTUREINDICATOR sy-vline 
WA_E1BP_DOC_DRAW2_STR-PREDOCUMENTNUMBER sy-vline 
WA_E1BP_DOC_DRAW2_STR-PREDOCUMENTVERSION sy-vline 
WA_E1BP_DOC_DRAW2_STR-PREDOCUMENTPART sy-vline 
WA_E1BP_DOC_DRAW2_STR-PREDOCUMENTTYPE sy-vline 
WA_E1BP_DOC_DRAW2_STR-AUTHORITYGROUP sy-vline 
WA_E1BP_DOC_DRAW2_STR-DOCFILE1 sy-vline 
WA_E1BP_DOC_DRAW2_STR-DATACARRIER1 sy-vline 
WA_E1BP_DOC_DRAW2_STR-WSAPPLICATION1 sy-vline 
WA_E1BP_DOC_DRAW2_STR-DOCFILE2 sy-vline 
WA_E1BP_DOC_DRAW2_STR-DATACARRIER2 sy-vline 
WA_E1BP_DOC_DRAW2_STR-WSAPPLICATION2 sy-vline 
WA_E1BP_DOC_DRAW2_STR-VRLDAT sy-vline 
WA_E1BP_DOC_DRAW2_STR-USERDEFINED1 sy-vline 
WA_E1BP_DOC_DRAW2_STR-USERDEFINED2 sy-vline 
WA_E1BP_DOC_DRAW2_STR-USERDEFINED3 sy-vline 
WA_E1BP_DOC_DRAW2_STR-USERDEFINED4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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