ABAP Select data from SAP table ENH_CWB_WDYV_STEXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ENH_CWB_WDYV_STEXT
*  INTO TABLE @DATA(IT_ENH_CWB_WDYV_STEXT2).
*--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_ENH_CWB_WDYV_STEXT INDEX 1 INTO DATA(WA_ENH_CWB_WDYV_STEXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ENH_CWB_WDYV_STEXT>-VRSFLAG = 1.
<ENH_CWB_WDYV_STEXT>-COMPONENT_NAME = 1.
<ENH_CWB_WDYV_STEXT>-VIEW_NAME = 1.
<ENH_CWB_WDYV_STEXT>-OBJECT_NAME = 1.
<ENH_CWB_WDYV_STEXT>-SEC_OBJECT_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ENH_CWB_WDYV_STEXT-DESCRIPTION, sy-vline,
  WA_ENH_CWB_WDYV_STEXT-CONCEPT, sy-vline,
  WA_ENH_CWB_WDYV_STEXT-LANGU, sy-vline,
  WA_ENH_CWB_WDYV_STEXT-OBJECT, sy-vline,
  WA_ENH_CWB_WDYV_STEXT-FLAG_CNTXT, sy-vline,
  WA_ENH_CWB_WDYV_STEXT-LAST_REL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ENH_CWB_WDYV_STEXT 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_ENH_CWB_WDYV_STEXT 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_ENH_CWB_WDYV_STEXT INTO WA_ENH_CWB_WDYV_STEXT.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ENH_CWB_WDYV_STEXT-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENH_CWB_WDYV_STEXT-LANGU.
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_ENH_CWB_WDYV_STEXT_STR, 
VRSFLAG TYPE STRING,
COMPONENT_NAME TYPE STRING,
VIEW_NAME TYPE STRING,
OBJECT_NAME TYPE STRING,
SEC_OBJECT_NAME TYPE STRING,
DESCRIPTION TYPE STRING,
CONCEPT TYPE STRING,
LANGU TYPE STRING,
OBJECT TYPE STRING,
FLAG_CNTXT TYPE STRING,
LAST_REL TYPE STRING,
LAST_IREL TYPE STRING,
COUNTRY TYPE STRING,
EXTENSION TYPE STRING,
ADD_CNTXT TYPE STRING,
CREA_NAME TYPE STRING,
CREA_TSTUT TYPE STRING,
CHAN_NAME TYPE STRING,
CHAN_TSTUT TYPE STRING,
STATUS TYPE STRING,
FLAG_CORR TYPE STRING,
LENGTH TYPE STRING,
TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ENH_CWB_WDYV_STEXT_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_ENH_CWB_WDYV_STEXT_STR-VRSFLAG sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-COMPONENT_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-VIEW_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-OBJECT_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-SEC_OBJECT_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-DESCRIPTION sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-CONCEPT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-LANGU sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-OBJECT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-FLAG_CNTXT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-LAST_REL sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-LAST_IREL sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-COUNTRY sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-EXTENSION sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-ADD_CNTXT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-CREA_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-CREA_TSTUT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-CHAN_NAME sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-CHAN_TSTUT sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-STATUS sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-FLAG_CORR sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-LENGTH sy-vline 
WA_ENH_CWB_WDYV_STEXT_STR-TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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