ABAP Select data from SAP table E1P0131 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1P0131 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 E1P0131. 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 E1P0131 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_E1P0131 TYPE STANDARD TABLE OF E1P0131,
      WA_E1P0131 TYPE E1P0131,
      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: <E1P0131> TYPE E1P0131.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1P0131.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1P0131
  INTO TABLE IT_E1P0131.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1P0131
*  INTO TABLE @DATA(IT_E1P01312).
*--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_E1P0131 INDEX 1 INTO DATA(WA_E1P01312).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1P0131 ASSIGNING <E1P0131>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1P0131>-PERNR = 1.
<E1P0131>-INFTY = 1.
<E1P0131>-SUBTY = 1.
<E1P0131>-OBJPS = 1.
<E1P0131>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_E1P0131 INTO WA_E1P0131.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1P0131-ENDDA, sy-vline,
  WA_E1P0131-BEGDA, sy-vline,
  WA_E1P0131-SEQNR, sy-vline,
  WA_E1P0131-AEDTM, sy-vline,
  WA_E1P0131-UNAME, sy-vline,
  WA_E1P0131-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1P0131 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_E1P0131 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_E1P0131 INTO WA_E1P0131.


*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_E1P0131_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
PFART TYPE STRING,
PFNUM TYPE STRING,
PFDAT TYPE STRING,
PFSTA TYPE STRING,
PFEND TYPE STRING,
DAT3J TYPE STRING,
GERBE TYPE STRING,
AKTZE TYPE STRING,
PFVOM TYPE STRING,
DRITT TYPE STRING,
AKTGL TYPE STRING,
GLFIR TYPE STRING,
GLABT TYPE STRING,
GLANR TYPE STRING,
GLTIT TYPE STRING,
GLVOR TYPE STRING,
GLNAM TYPE STRING,
GLSTR TYPE STRING,
GLLND TYPE STRING,
GLPLZ TYPE STRING,
GLORT TYPE STRING,
GLTEL TYPE STRING,
KOKEY TYPE STRING,
KOFIR TYPE STRING,
KOABT TYPE STRING,
KOANR TYPE STRING,
KOTIT TYPE STRING,
KOVOR TYPE STRING,
KONAM TYPE STRING,
KOSTR TYPE STRING,
KOLND TYPE STRING,
KOPLZ TYPE STRING,
KOORT TYPE STRING,
KOTEL TYPE STRING,
PFWAE TYPE STRING,
GLKEY TYPE STRING,
GBKEY TYPE STRING,
GRPVL TYPE STRING,
PFLEG TYPE STRING,
VERTN TYPE STRING,
AKTZE2 TYPE STRING,
AKTGL2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1P0131_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_E1P0131_STR-PERNR sy-vline 
WA_E1P0131_STR-INFTY sy-vline 
WA_E1P0131_STR-SUBTY sy-vline 
WA_E1P0131_STR-OBJPS sy-vline 
WA_E1P0131_STR-SPRPS sy-vline 
WA_E1P0131_STR-ENDDA sy-vline 
WA_E1P0131_STR-BEGDA sy-vline 
WA_E1P0131_STR-SEQNR sy-vline 
WA_E1P0131_STR-AEDTM sy-vline 
WA_E1P0131_STR-UNAME sy-vline 
WA_E1P0131_STR-HISTO sy-vline 
WA_E1P0131_STR-ITXEX sy-vline 
WA_E1P0131_STR-REFEX sy-vline 
WA_E1P0131_STR-ORDEX sy-vline 
WA_E1P0131_STR-ITBLD sy-vline 
WA_E1P0131_STR-PREAS sy-vline 
WA_E1P0131_STR-FLAG1 sy-vline 
WA_E1P0131_STR-FLAG2 sy-vline 
WA_E1P0131_STR-FLAG3 sy-vline 
WA_E1P0131_STR-FLAG4 sy-vline 
WA_E1P0131_STR-RESE1 sy-vline 
WA_E1P0131_STR-RESE2 sy-vline 
WA_E1P0131_STR-PFART sy-vline 
WA_E1P0131_STR-PFNUM sy-vline 
WA_E1P0131_STR-PFDAT sy-vline 
WA_E1P0131_STR-PFSTA sy-vline 
WA_E1P0131_STR-PFEND sy-vline 
WA_E1P0131_STR-DAT3J sy-vline 
WA_E1P0131_STR-GERBE sy-vline 
WA_E1P0131_STR-AKTZE sy-vline 
WA_E1P0131_STR-PFVOM sy-vline 
WA_E1P0131_STR-DRITT sy-vline 
WA_E1P0131_STR-AKTGL sy-vline 
WA_E1P0131_STR-GLFIR sy-vline 
WA_E1P0131_STR-GLABT sy-vline 
WA_E1P0131_STR-GLANR sy-vline 
WA_E1P0131_STR-GLTIT sy-vline 
WA_E1P0131_STR-GLVOR sy-vline 
WA_E1P0131_STR-GLNAM sy-vline 
WA_E1P0131_STR-GLSTR sy-vline 
WA_E1P0131_STR-GLLND sy-vline 
WA_E1P0131_STR-GLPLZ sy-vline 
WA_E1P0131_STR-GLORT sy-vline 
WA_E1P0131_STR-GLTEL sy-vline 
WA_E1P0131_STR-KOKEY sy-vline 
WA_E1P0131_STR-KOFIR sy-vline 
WA_E1P0131_STR-KOABT sy-vline 
WA_E1P0131_STR-KOANR sy-vline 
WA_E1P0131_STR-KOTIT sy-vline 
WA_E1P0131_STR-KOVOR sy-vline 
WA_E1P0131_STR-KONAM sy-vline 
WA_E1P0131_STR-KOSTR sy-vline 
WA_E1P0131_STR-KOLND sy-vline 
WA_E1P0131_STR-KOPLZ sy-vline 
WA_E1P0131_STR-KOORT sy-vline 
WA_E1P0131_STR-KOTEL sy-vline 
WA_E1P0131_STR-PFWAE sy-vline 
WA_E1P0131_STR-GLKEY sy-vline 
WA_E1P0131_STR-GBKEY sy-vline 
WA_E1P0131_STR-GRPVL sy-vline 
WA_E1P0131_STR-PFLEG sy-vline 
WA_E1P0131_STR-VERTN sy-vline 
WA_E1P0131_STR-AKTZE2 sy-vline 
WA_E1P0131_STR-AKTGL2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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