ABAP Select data from SAP table TE263 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TE263 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 TE263. 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 TE263 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_TE263 TYPE STANDARD TABLE OF TE263,
      WA_TE263 TYPE TE263,
      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: <TE263> TYPE TE263.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TE263.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TE263
  INTO TABLE IT_TE263.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TE263
*  INTO TABLE @DATA(IT_TE2632).
*--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_TE263 INDEX 1 INTO DATA(WA_TE2632).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TE263 ASSIGNING <TE263>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TE263>-MANDT = 1.
<TE263>-SPARTYP = 1.
<TE263>-LFDNR = 1.
<TE263>-ZULZ = 1.
<TE263>-ZULW = 1.

ENDLOOP.

LOOP AT IT_TE263 INTO WA_TE263.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TE263-ZULT, sy-vline,
  WA_TE263-ZULF, sy-vline,
  WA_TE263-ZULM, sy-vline,
  WA_TE263-ZULK, sy-vline,
  WA_TE263-ZULD, sy-vline,
  WA_TE263-ZULR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TE263 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_TE263 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_TE263 INTO WA_TE263.


*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_TE263_STR, 
MANDT TYPE STRING,
SPARTYP TYPE STRING,
LFDNR TYPE STRING,
ZULZ TYPE STRING,
ZULW TYPE STRING,
ZULT TYPE STRING,
ZULF TYPE STRING,
ZULM TYPE STRING,
ZULK TYPE STRING,
ZULD TYPE STRING,
ZULR TYPE STRING,
ZULB TYPE STRING,
ZULA TYPE STRING,
ZULP TYPE STRING,
ZULG TYPE STRING,
ZULS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TE263_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_TE263_STR-MANDT sy-vline 
WA_TE263_STR-SPARTYP sy-vline 
WA_TE263_STR-LFDNR sy-vline 
WA_TE263_STR-ZULZ sy-vline 
WA_TE263_STR-ZULW sy-vline 
WA_TE263_STR-ZULT sy-vline 
WA_TE263_STR-ZULF sy-vline 
WA_TE263_STR-ZULM sy-vline 
WA_TE263_STR-ZULK sy-vline 
WA_TE263_STR-ZULD sy-vline 
WA_TE263_STR-ZULR sy-vline 
WA_TE263_STR-ZULB sy-vline 
WA_TE263_STR-ZULA sy-vline 
WA_TE263_STR-ZULP sy-vline 
WA_TE263_STR-ZULG sy-vline 
WA_TE263_STR-ZULS sy-vline      INTO ld_text SEPARATED BY SPACE.

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