ABAP Select data from SAP table E1PLOGIX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1PLOGIX 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 E1PLOGIX. 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 E1PLOGIX 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_E1PLOGIX TYPE STANDARD TABLE OF E1PLOGIX,
      WA_E1PLOGIX TYPE E1PLOGIX,
      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: <E1PLOGIX> TYPE E1PLOGIX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1PLOGIX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1PLOGIX
  INTO TABLE IT_E1PLOGIX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1PLOGIX
*  INTO TABLE @DATA(IT_E1PLOGIX2).
*--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_E1PLOGIX INDEX 1 INTO DATA(WA_E1PLOGIX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1PLOGIX ASSIGNING <E1PLOGIX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1PLOGIX>-MANDT = 1.
<E1PLOGIX>-DOCNUM = 1.
<E1PLOGIX>-SEGNUM = 1.
<E1PLOGIX>-SEGNAM = 1.
<E1PLOGIX>-PSGNUM = 1.

ENDLOOP.

LOOP AT IT_E1PLOGIX INTO WA_E1PLOGIX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1PLOGIX-HLEVEL, sy-vline,
  WA_E1PLOGIX-DTINT2, sy-vline,
  WA_E1PLOGIX-PLVAR, sy-vline,
  WA_E1PLOGIX-OTYPE, sy-vline,
  WA_E1PLOGIX-OBJID, sy-vline,
  WA_E1PLOGIX-PROOF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1PLOGIX 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_E1PLOGIX 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_E1PLOGIX INTO WA_E1PLOGIX.


*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_E1PLOGIX_STR, 
MANDT TYPE STRING,
DOCNUM TYPE STRING,
SEGNUM TYPE STRING,
SEGNAM TYPE STRING,
PSGNUM TYPE STRING,
HLEVEL TYPE STRING,
DTINT2 TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
PROOF TYPE STRING,
OPERA TYPE STRING,
SERIAL_COUNTER TYPE STRING,
FILTER1 TYPE STRING,
FILTER2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1PLOGIX_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_E1PLOGIX_STR-MANDT sy-vline 
WA_E1PLOGIX_STR-DOCNUM sy-vline 
WA_E1PLOGIX_STR-SEGNUM sy-vline 
WA_E1PLOGIX_STR-SEGNAM sy-vline 
WA_E1PLOGIX_STR-PSGNUM sy-vline 
WA_E1PLOGIX_STR-HLEVEL sy-vline 
WA_E1PLOGIX_STR-DTINT2 sy-vline 
WA_E1PLOGIX_STR-PLVAR sy-vline 
WA_E1PLOGIX_STR-OTYPE sy-vline 
WA_E1PLOGIX_STR-OBJID sy-vline 
WA_E1PLOGIX_STR-PROOF sy-vline 
WA_E1PLOGIX_STR-OPERA sy-vline 
WA_E1PLOGIX_STR-SERIAL_COUNTER sy-vline 
WA_E1PLOGIX_STR-FILTER1 sy-vline 
WA_E1PLOGIX_STR-FILTER2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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