ABAP Select data from SAP table TKEPPLENVDYNP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TKEPPLENVDYNP
*  INTO TABLE @DATA(IT_TKEPPLENVDYNP2).
*--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_TKEPPLENVDYNP INDEX 1 INTO DATA(WA_TKEPPLENVDYNP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TKEPPLENVDYNP>-PLLEV = 1.
<TKEPPLENVDYNP>-PLLEVTXT = 1.
<TKEPPLENVDYNP>-REFPLLEV = 1.
<TKEPPLENVDYNP>-REFPLLEVTXT = 1.
<TKEPPLENVDYNP>-B_0201_TX01 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TKEPPLENVDYNP-PLPCK, sy-vline,
  WA_TKEPPLENVDYNP-PLPCKTXT, sy-vline,
  WA_TKEPPLENVDYNP-REFPLPCK, sy-vline,
  WA_TKEPPLENVDYNP-REFPLPCKTXT, sy-vline,
  WA_TKEPPLENVDYNP-B_0205_TX01, sy-vline,
  WA_TKEPPLENVDYNP-PARAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TKEPPLENVDYNP 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_TKEPPLENVDYNP 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_TKEPPLENVDYNP INTO WA_TKEPPLENVDYNP.


*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_TKEPPLENVDYNP_STR, 
PLLEV TYPE STRING,
PLLEVTXT TYPE STRING,
REFPLLEV TYPE STRING,
REFPLLEVTXT TYPE STRING,
B_0201_TX01 TYPE STRING,
PLPCK TYPE STRING,
PLPCKTXT TYPE STRING,
REFPLPCK TYPE STRING,
REFPLPCKTXT TYPE STRING,
B_0205_TX01 TYPE STRING,
PARAM TYPE STRING,
PARAMTXT TYPE STRING,
REFPARAM TYPE STRING,
REFPARAMTXT TYPE STRING,
METH TYPE STRING,
METHTXT TYPE STRING,
REFMETH TYPE STRING,
REFMETHTXT TYPE STRING,
PROFILE TYPE STRING,
PROFILETXT TYPE STRING,
OVERVIEW TYPE STRING,
B_0205_MORE TYPE STRING,
STATUS TYPE STRING,
B_0211_LSNG TYPE STRING,
B_0211_RSNG TYPE STRING,
B_0211_LALL TYPE STRING,
B_0211_RALL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TKEPPLENVDYNP_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_TKEPPLENVDYNP_STR-PLLEV sy-vline 
WA_TKEPPLENVDYNP_STR-PLLEVTXT sy-vline 
WA_TKEPPLENVDYNP_STR-REFPLLEV sy-vline 
WA_TKEPPLENVDYNP_STR-REFPLLEVTXT sy-vline 
WA_TKEPPLENVDYNP_STR-B_0201_TX01 sy-vline 
WA_TKEPPLENVDYNP_STR-PLPCK sy-vline 
WA_TKEPPLENVDYNP_STR-PLPCKTXT sy-vline 
WA_TKEPPLENVDYNP_STR-REFPLPCK sy-vline 
WA_TKEPPLENVDYNP_STR-REFPLPCKTXT sy-vline 
WA_TKEPPLENVDYNP_STR-B_0205_TX01 sy-vline 
WA_TKEPPLENVDYNP_STR-PARAM sy-vline 
WA_TKEPPLENVDYNP_STR-PARAMTXT sy-vline 
WA_TKEPPLENVDYNP_STR-REFPARAM sy-vline 
WA_TKEPPLENVDYNP_STR-REFPARAMTXT sy-vline 
WA_TKEPPLENVDYNP_STR-METH sy-vline 
WA_TKEPPLENVDYNP_STR-METHTXT sy-vline 
WA_TKEPPLENVDYNP_STR-REFMETH sy-vline 
WA_TKEPPLENVDYNP_STR-REFMETHTXT sy-vline 
WA_TKEPPLENVDYNP_STR-PROFILE sy-vline 
WA_TKEPPLENVDYNP_STR-PROFILETXT sy-vline 
WA_TKEPPLENVDYNP_STR-OVERVIEW sy-vline 
WA_TKEPPLENVDYNP_STR-B_0205_MORE sy-vline 
WA_TKEPPLENVDYNP_STR-STATUS sy-vline 
WA_TKEPPLENVDYNP_STR-B_0211_LSNG sy-vline 
WA_TKEPPLENVDYNP_STR-B_0211_RSNG sy-vline 
WA_TKEPPLENVDYNP_STR-B_0211_LALL sy-vline 
WA_TKEPPLENVDYNP_STR-B_0211_RALL sy-vline      INTO ld_text SEPARATED BY SPACE.

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