ABAP Select data from SAP table EISU_IL_MD_SERVPROV_DEXDEF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EISU_IL_MD_SERVPROV_DEXDEF
*  INTO TABLE @DATA(IT_EISU_IL_MD_SERVPROV_DEXDEF2).
*--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_EISU_IL_MD_SERVPROV_DEXDEF INDEX 1 INTO DATA(WA_EISU_IL_MD_SERVPROV_DEXDEF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EISU_IL_MD_SERVPROV_DEXDEF>-DEXDIRECTION = 1.
<EISU_IL_MD_SERVPROV_DEXDEF>-DIRECTION_ICON = 1.
<EISU_IL_MD_SERVPROV_DEXDEF>-DEXPROC = 1.
<EISU_IL_MD_SERVPROV_DEXDEF>-DEXPROCTXT = 1.
<EISU_IL_MD_SERVPROV_DEXDEF>-SELF_ICON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EISU_IL_MD_SERVPROV_DEXDEF-DEXSERVICESELF, sy-vline,
  WA_EISU_IL_MD_SERVPROV_DEXDEF-DEXSERVSELFTXT, sy-vline,
  WA_EISU_IL_MD_SERVPROV_DEXDEF-DEXSERVPROVSELF, sy-vline,
  WA_EISU_IL_MD_SERVPROV_DEXDEF-DEXSERVPSELFTXT, sy-vline,
  WA_EISU_IL_MD_SERVPROV_DEXDEF-USE_ICON, sy-vline,
  WA_EISU_IL_MD_SERVPROV_DEXDEF-DEXSERVICEUSE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EISU_IL_MD_SERVPROV_DEXDEF 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_EISU_IL_MD_SERVPROV_DEXDEF 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_EISU_IL_MD_SERVPROV_DEXDEF INTO WA_EISU_IL_MD_SERVPROV_DEXDEF.


*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_EISU_IL_MD_SERVPROV_DEXDEF_STR, 
DEXDIRECTION TYPE STRING,
DIRECTION_ICON TYPE STRING,
DEXPROC TYPE STRING,
DEXPROCTXT TYPE STRING,
SELF_ICON TYPE STRING,
DEXSERVICESELF TYPE STRING,
DEXSERVSELFTXT TYPE STRING,
DEXSERVPROVSELF TYPE STRING,
DEXSERVPSELFTXT TYPE STRING,
USE_ICON TYPE STRING,
DEXSERVICEUSE TYPE STRING,
DEXSERVUSETXT TYPE STRING,
INTCODEUSE TYPE STRING,
TECHNIC_ICON TYPE STRING,
DEXSERVPROV TYPE STRING,
DEXSERVPROVTXT TYPE STRING,
DEFINITION_TYPE TYPE STRING,
DEFINITION_ICON TYPE STRING,
DEXNOTACTIVE TYPE STRING,
INT_UI TYPE STRING,
EXT_UI_EXPANDED TYPE STRING,
DATEFROM TYPE STRING,
DATETO TYPE STRING,
DEXNODUECONTR TYPE STRING,
DEXDUECNTRID TYPE STRING,
DEXDUECNTRTEXT TYPE STRING,
DEXFORMAT TYPE STRING,
DEXFORMATTXT TYPE STRING,
DEXCOMMFORMID TYPE STRING,
DEXCOMMFORMTEXT TYPE STRING,
DEXIDOCSEND TYPE STRING,
DEXIDOCSENDTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EISU_IL_MD_SERVPROV_DEXDEF_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_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXDIRECTION sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DIRECTION_ICON sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXPROC sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXPROCTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-SELF_ICON sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVICESELF sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVSELFTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVPROVSELF sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVPSELFTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-USE_ICON sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVICEUSE sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVUSETXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-INTCODEUSE sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-TECHNIC_ICON sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVPROV sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXSERVPROVTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEFINITION_TYPE sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEFINITION_ICON sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXNOTACTIVE sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-INT_UI sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-EXT_UI_EXPANDED sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DATEFROM sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DATETO sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXNODUECONTR sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXDUECNTRID sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXDUECNTRTEXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXFORMAT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXFORMATTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXCOMMFORMID sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXCOMMFORMTEXT sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXIDOCSEND sy-vline 
WA_EISU_IL_MD_SERVPROV_DEXDEF_STR-DEXIDOCSENDTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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