ABAP Select data from SAP table E2LIPP7 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E2LIPP7 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 E2LIPP7. 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 E2LIPP7 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_E2LIPP7 TYPE STANDARD TABLE OF E2LIPP7,
      WA_E2LIPP7 TYPE E2LIPP7,
      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: <E2LIPP7> TYPE E2LIPP7.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E2LIPP7.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E2LIPP7
  INTO TABLE IT_E2LIPP7.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E2LIPP7
*  INTO TABLE @DATA(IT_E2LIPP72).
*--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_E2LIPP7 INDEX 1 INTO DATA(WA_E2LIPP72).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E2LIPP7 ASSIGNING <E2LIPP7>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E2LIPP7>-KZ01 = 1.
<E2LIPP7>-KZ02 = 1.
<E2LIPP7>-KZ03 = 1.
<E2LIPP7>-KZ04 = 1.
<E2LIPP7>-KZ05 = 1.

ENDLOOP.

LOOP AT IT_E2LIPP7 INTO WA_E2LIPP7.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E2LIPP7-KZ06, sy-vline,
  WA_E2LIPP7-KZ07, sy-vline,
  WA_E2LIPP7-KZ08, sy-vline,
  WA_E2LIPP7-KZ09, sy-vline,
  WA_E2LIPP7-KZ10, sy-vline,
  WA_E2LIPP7-KZ11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E2LIPP7 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_E2LIPP7 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_E2LIPP7 INTO WA_E2LIPP7.


*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_E2LIPP7_STR, 
KZ01 TYPE STRING,
KZ02 TYPE STRING,
KZ03 TYPE STRING,
KZ04 TYPE STRING,
KZ05 TYPE STRING,
KZ06 TYPE STRING,
KZ07 TYPE STRING,
KZ08 TYPE STRING,
KZ09 TYPE STRING,
KZ10 TYPE STRING,
KZ11 TYPE STRING,
KZ12 TYPE STRING,
KZ13 TYPE STRING,
KZ14 TYPE STRING,
KZ15 TYPE STRING,
KZ16 TYPE STRING,
KZ17 TYPE STRING,
KZ18 TYPE STRING,
KZ19 TYPE STRING,
KZ20 TYPE STRING,
KZ21 TYPE STRING,
KZ22 TYPE STRING,
KZ23 TYPE STRING,
KZ24 TYPE STRING,
KZ25 TYPE STRING,
KZ26 TYPE STRING,
KZ27 TYPE STRING,
KZ28 TYPE STRING,
KZ29 TYPE STRING,
KZ30 TYPE STRING,
KZ31 TYPE STRING,
KZ32 TYPE STRING,
KZ33 TYPE STRING,
KZ34 TYPE STRING,
KZ35 TYPE STRING,
KZ36 TYPE STRING,
KZ37 TYPE STRING,
KZ38 TYPE STRING,
KZ39 TYPE STRING,
KZ40 TYPE STRING,
KZ41 TYPE STRING,
KZ42 TYPE STRING,
KZ43 TYPE STRING,
KZ44 TYPE STRING,
KZ45 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E2LIPP7_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_E2LIPP7_STR-KZ01 sy-vline 
WA_E2LIPP7_STR-KZ02 sy-vline 
WA_E2LIPP7_STR-KZ03 sy-vline 
WA_E2LIPP7_STR-KZ04 sy-vline 
WA_E2LIPP7_STR-KZ05 sy-vline 
WA_E2LIPP7_STR-KZ06 sy-vline 
WA_E2LIPP7_STR-KZ07 sy-vline 
WA_E2LIPP7_STR-KZ08 sy-vline 
WA_E2LIPP7_STR-KZ09 sy-vline 
WA_E2LIPP7_STR-KZ10 sy-vline 
WA_E2LIPP7_STR-KZ11 sy-vline 
WA_E2LIPP7_STR-KZ12 sy-vline 
WA_E2LIPP7_STR-KZ13 sy-vline 
WA_E2LIPP7_STR-KZ14 sy-vline 
WA_E2LIPP7_STR-KZ15 sy-vline 
WA_E2LIPP7_STR-KZ16 sy-vline 
WA_E2LIPP7_STR-KZ17 sy-vline 
WA_E2LIPP7_STR-KZ18 sy-vline 
WA_E2LIPP7_STR-KZ19 sy-vline 
WA_E2LIPP7_STR-KZ20 sy-vline 
WA_E2LIPP7_STR-KZ21 sy-vline 
WA_E2LIPP7_STR-KZ22 sy-vline 
WA_E2LIPP7_STR-KZ23 sy-vline 
WA_E2LIPP7_STR-KZ24 sy-vline 
WA_E2LIPP7_STR-KZ25 sy-vline 
WA_E2LIPP7_STR-KZ26 sy-vline 
WA_E2LIPP7_STR-KZ27 sy-vline 
WA_E2LIPP7_STR-KZ28 sy-vline 
WA_E2LIPP7_STR-KZ29 sy-vline 
WA_E2LIPP7_STR-KZ30 sy-vline 
WA_E2LIPP7_STR-KZ31 sy-vline 
WA_E2LIPP7_STR-KZ32 sy-vline 
WA_E2LIPP7_STR-KZ33 sy-vline 
WA_E2LIPP7_STR-KZ34 sy-vline 
WA_E2LIPP7_STR-KZ35 sy-vline 
WA_E2LIPP7_STR-KZ36 sy-vline 
WA_E2LIPP7_STR-KZ37 sy-vline 
WA_E2LIPP7_STR-KZ38 sy-vline 
WA_E2LIPP7_STR-KZ39 sy-vline 
WA_E2LIPP7_STR-KZ40 sy-vline 
WA_E2LIPP7_STR-KZ41 sy-vline 
WA_E2LIPP7_STR-KZ42 sy-vline 
WA_E2LIPP7_STR-KZ43 sy-vline 
WA_E2LIPP7_STR-KZ44 sy-vline 
WA_E2LIPP7_STR-KZ45 sy-vline      INTO ld_text SEPARATED BY SPACE.

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