ABAP Select data from SAP table E1CLIP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1CLIP2 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 E1CLIP2. 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 E1CLIP2 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_E1CLIP2 TYPE STANDARD TABLE OF E1CLIP2,
      WA_E1CLIP2 TYPE E1CLIP2,
      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: <E1CLIP2> TYPE E1CLIP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1CLIP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1CLIP2
  INTO TABLE IT_E1CLIP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1CLIP2
*  INTO TABLE @DATA(IT_E1CLIP22).
*--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_E1CLIP2 INDEX 1 INTO DATA(WA_E1CLIP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1CLIP2 ASSIGNING <E1CLIP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1CLIP2>-SUPKZ = 1.
<E1CLIP2>-VBELN = 1.
<E1CLIP2>-POSNR = 1.
<E1CLIP2>-AESKD = 1.
<E1CLIP2>-SHKZG = 1.

ENDLOOP.

LOOP AT IT_E1CLIP2 INTO WA_E1CLIP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1CLIP2-PROSA, sy-vline,
  WA_E1CLIP2-UEPVW, sy-vline,
  WA_E1CLIP2-EMPST, sy-vline,
  WA_E1CLIP2-KOQUI, sy-vline,
  WA_E1CLIP2-STADAT, sy-vline,
  WA_E1CLIP2-AKTNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1CLIP2 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_E1CLIP2 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_E1CLIP2 INTO WA_E1CLIP2.


*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_E1CLIP2_STR, 
SUPKZ TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
AESKD TYPE STRING,
SHKZG TYPE STRING,
PROSA TYPE STRING,
UEPVW TYPE STRING,
EMPST TYPE STRING,
KOQUI TYPE STRING,
STADAT TYPE STRING,
AKTNR TYPE STRING,
KNUMH_CH TYPE STRING,
PREFE TYPE STRING,
EXART TYPE STRING,
CLINT TYPE STRING,
CHMVS TYPE STRING,
VDATU TYPE STRING,
LLAND TYPE STRING,
APOAUME TYPE STRING,
APOAUWE TYPE STRING,
APERDAT TYPE STRING,
APSTCUR TYPE STRING,
APWAERK TYPE STRING,
APNETWR TYPE STRING,
APKURSK TYPE STRING,
APKLMENG TYPE STRING,
APLSMENG TYPE STRING,
APKBMENG TYPE STRING,
APKWMENG TYPE STRING,
APLFGSA TYPE STRING,
APLFSTA TYPE STRING,
APABSTA TYPE STRING,
AKVBTYP TYPE STRING,
APVRKME TYPE STRING,
APUMVKZ TYPE STRING,
APUMVKN TYPE STRING,
APCMPRE TYPE STRING,
APCMKUA TYPE STRING,
OLIME TYPE STRING,
OLIKW TYPE STRING,
SUMFKIMG TYPE STRING,
APVGBEL TYPE STRING,
APVGPOS TYPE STRING,
PERIV_LF TYPE STRING,
PKUNAG TYPE STRING,
PKUNWE TYPE STRING,
PKUNRE TYPE STRING,
PKUNRG TYPE STRING,
PSPDNR TYPE STRING,
PVRTNR TYPE STRING,
PLAAG TYPE STRING,
PLAWE TYPE STRING,
PLARE TYPE STRING,
PLARG TYPE STRING,
PLASP TYPE STRING,
PLAVE TYPE STRING,
PABLA TYPE STRING,
PZONE TYPE STRING,
APSTCUR_V TYPE STRING,
APKURSK_V TYPE STRING,
APCMKUA_V TYPE STRING,
MATNR_EXTERNAL TYPE STRING,
MATNR_VERSION TYPE STRING,
MATNR_GUID TYPE STRING,
MATWA_EXTERNAL TYPE STRING,
MATWA_VERSION TYPE STRING,
MATWA_GUID TYPE STRING,
VPMAT_EXTERNAL TYPE STRING,
VPMAT_VERSION TYPE STRING,
VPMAT_GUID TYPE STRING,
MATNR_LONG TYPE STRING,
MATWA_LONG TYPE STRING,
VPMAT_LONG TYPE STRING,
VGTYP_LONG TYPE STRING,
AKVBTYP_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1CLIP2_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_E1CLIP2_STR-SUPKZ sy-vline 
WA_E1CLIP2_STR-VBELN sy-vline 
WA_E1CLIP2_STR-POSNR sy-vline 
WA_E1CLIP2_STR-AESKD sy-vline 
WA_E1CLIP2_STR-SHKZG sy-vline 
WA_E1CLIP2_STR-PROSA sy-vline 
WA_E1CLIP2_STR-UEPVW sy-vline 
WA_E1CLIP2_STR-EMPST sy-vline 
WA_E1CLIP2_STR-KOQUI sy-vline 
WA_E1CLIP2_STR-STADAT sy-vline 
WA_E1CLIP2_STR-AKTNR sy-vline 
WA_E1CLIP2_STR-KNUMH_CH sy-vline 
WA_E1CLIP2_STR-PREFE sy-vline 
WA_E1CLIP2_STR-EXART sy-vline 
WA_E1CLIP2_STR-CLINT sy-vline 
WA_E1CLIP2_STR-CHMVS sy-vline 
WA_E1CLIP2_STR-VDATU sy-vline 
WA_E1CLIP2_STR-LLAND sy-vline 
WA_E1CLIP2_STR-APOAUME sy-vline 
WA_E1CLIP2_STR-APOAUWE sy-vline 
WA_E1CLIP2_STR-APERDAT sy-vline 
WA_E1CLIP2_STR-APSTCUR sy-vline 
WA_E1CLIP2_STR-APWAERK sy-vline 
WA_E1CLIP2_STR-APNETWR sy-vline 
WA_E1CLIP2_STR-APKURSK sy-vline 
WA_E1CLIP2_STR-APKLMENG sy-vline 
WA_E1CLIP2_STR-APLSMENG sy-vline 
WA_E1CLIP2_STR-APKBMENG sy-vline 
WA_E1CLIP2_STR-APKWMENG sy-vline 
WA_E1CLIP2_STR-APLFGSA sy-vline 
WA_E1CLIP2_STR-APLFSTA sy-vline 
WA_E1CLIP2_STR-APABSTA sy-vline 
WA_E1CLIP2_STR-AKVBTYP sy-vline 
WA_E1CLIP2_STR-APVRKME sy-vline 
WA_E1CLIP2_STR-APUMVKZ sy-vline 
WA_E1CLIP2_STR-APUMVKN sy-vline 
WA_E1CLIP2_STR-APCMPRE sy-vline 
WA_E1CLIP2_STR-APCMKUA sy-vline 
WA_E1CLIP2_STR-OLIME sy-vline 
WA_E1CLIP2_STR-OLIKW sy-vline 
WA_E1CLIP2_STR-SUMFKIMG sy-vline 
WA_E1CLIP2_STR-APVGBEL sy-vline 
WA_E1CLIP2_STR-APVGPOS sy-vline 
WA_E1CLIP2_STR-PERIV_LF sy-vline 
WA_E1CLIP2_STR-PKUNAG sy-vline 
WA_E1CLIP2_STR-PKUNWE sy-vline 
WA_E1CLIP2_STR-PKUNRE sy-vline 
WA_E1CLIP2_STR-PKUNRG sy-vline 
WA_E1CLIP2_STR-PSPDNR sy-vline 
WA_E1CLIP2_STR-PVRTNR sy-vline 
WA_E1CLIP2_STR-PLAAG sy-vline 
WA_E1CLIP2_STR-PLAWE sy-vline 
WA_E1CLIP2_STR-PLARE sy-vline 
WA_E1CLIP2_STR-PLARG sy-vline 
WA_E1CLIP2_STR-PLASP sy-vline 
WA_E1CLIP2_STR-PLAVE sy-vline 
WA_E1CLIP2_STR-PABLA sy-vline 
WA_E1CLIP2_STR-PZONE sy-vline 
WA_E1CLIP2_STR-APSTCUR_V sy-vline 
WA_E1CLIP2_STR-APKURSK_V sy-vline 
WA_E1CLIP2_STR-APCMKUA_V sy-vline 
WA_E1CLIP2_STR-MATNR_EXTERNAL sy-vline 
WA_E1CLIP2_STR-MATNR_VERSION sy-vline 
WA_E1CLIP2_STR-MATNR_GUID sy-vline 
WA_E1CLIP2_STR-MATWA_EXTERNAL sy-vline 
WA_E1CLIP2_STR-MATWA_VERSION sy-vline 
WA_E1CLIP2_STR-MATWA_GUID sy-vline 
WA_E1CLIP2_STR-VPMAT_EXTERNAL sy-vline 
WA_E1CLIP2_STR-VPMAT_VERSION sy-vline 
WA_E1CLIP2_STR-VPMAT_GUID sy-vline 
WA_E1CLIP2_STR-MATNR_LONG sy-vline 
WA_E1CLIP2_STR-MATWA_LONG sy-vline 
WA_E1CLIP2_STR-VPMAT_LONG sy-vline 
WA_E1CLIP2_STR-VGTYP_LONG sy-vline 
WA_E1CLIP2_STR-AKVBTYP_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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