ABAP Select data from SAP table E3OILO0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E3OILO0 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 E3OILO0. 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 E3OILO0 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_E3OILO0 TYPE STANDARD TABLE OF E3OILO0,
      WA_E3OILO0 TYPE E3OILO0,
      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: <E3OILO0> TYPE E3OILO0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E3OILO0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E3OILO0
  INTO TABLE IT_E3OILO0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E3OILO0
*  INTO TABLE @DATA(IT_E3OILO02).
*--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_E3OILO0 INDEX 1 INTO DATA(WA_E3OILO02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E3OILO0 ASSIGNING <E3OILO0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E3OILO0>-OID_EXTBOL = 1.
<E3OILO0>-OID_MISCDL = 1.
<E3OILO0>-OIDMSG_SHP = 1.
<E3OILO0>-OIDSTS_SHP = 1.
<E3OILO0>-OIPIPEVAL = 1.

ENDLOOP.

LOOP AT IT_E3OILO0 INTO WA_E3OILO0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E3OILO0-OIC_LIFNR, sy-vline,
  WA_E3OILO0-OIC_DCITYC, sy-vline,
  WA_E3OILO0-OIC_DCOUNC, sy-vline,
  WA_E3OILO0-OIC_DREGIO, sy-vline,
  WA_E3OILO0-OIC_DLAND1, sy-vline,
  WA_E3OILO0-OIC_OCITYC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E3OILO0 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_E3OILO0 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_E3OILO0 INTO WA_E3OILO0.


*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.

*Conversion exit ALPHA, internal->external for field OIC_LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIC_LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIC_LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field OIPTRFNC
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIPTRFNC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIPTRFNC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIPARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIPARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIPARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OILASTOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OILASTOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OILASTOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field OIDRC
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIDRC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIDRC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIEXGNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIEXGNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIEXGNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OICHEADOF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OICHEADOF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OICHEADOF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIPBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_E3OILO0-OIPBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_E3OILO0-OIPBL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_E3OILO0_STR, 
OID_EXTBOL TYPE STRING,
OID_MISCDL TYPE STRING,
OIDMSG_SHP TYPE STRING,
OIDSTS_SHP TYPE STRING,
OIPIPEVAL TYPE STRING,
OIC_LIFNR TYPE STRING,
OIC_DCITYC TYPE STRING,
OIC_DCOUNC TYPE STRING,
OIC_DREGIO TYPE STRING,
OIC_DLAND1 TYPE STRING,
OIC_OCITYC TYPE STRING,
OIC_OCOUNC TYPE STRING,
OIC_OREGIO TYPE STRING,
OIC_OLAND1 TYPE STRING,
OIC_PORGIN TYPE STRING,
OIC_PDESTN TYPE STRING,
OIC_PTRIP TYPE STRING,
OIC_PBATCH TYPE STRING,
OIC_MOT TYPE STRING,
OIC_AORGIN TYPE STRING,
OIC_ADESTN TYPE STRING,
OIC_TRUCKN TYPE STRING,
OIA_BASELO TYPE STRING,
OIINEX TYPE STRING,
OIISOIL TYPE STRING,
OIPTRFNC TYPE STRING,
OIPARTNR TYPE STRING,
OILASTOR TYPE STRING,
OIDRC TYPE STRING,
OIEXGNUM TYPE STRING,
OIEXGTYP TYPE STRING,
OICHEADOF TYPE STRING,
OIPBL TYPE STRING,
OIDRESTR TYPE STRING,
OIDMSG_PR TYPE STRING,
OIDMSG_QT TYPE STRING,
OIDMSG_UO TYPE STRING,
OIDMSG_DA TYPE STRING,
OIDMSG_TR TYPE STRING,
OICNTPER TYPE STRING,
OICNTNTE TYPE STRING,
OICNTPHO TYPE STRING,
OID_SORTL TYPE STRING,
OID_SORT2 TYPE STRING,
OICFKARTD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E3OILO0_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_E3OILO0_STR-OID_EXTBOL sy-vline 
WA_E3OILO0_STR-OID_MISCDL sy-vline 
WA_E3OILO0_STR-OIDMSG_SHP sy-vline 
WA_E3OILO0_STR-OIDSTS_SHP sy-vline 
WA_E3OILO0_STR-OIPIPEVAL sy-vline 
WA_E3OILO0_STR-OIC_LIFNR sy-vline 
WA_E3OILO0_STR-OIC_DCITYC sy-vline 
WA_E3OILO0_STR-OIC_DCOUNC sy-vline 
WA_E3OILO0_STR-OIC_DREGIO sy-vline 
WA_E3OILO0_STR-OIC_DLAND1 sy-vline 
WA_E3OILO0_STR-OIC_OCITYC sy-vline 
WA_E3OILO0_STR-OIC_OCOUNC sy-vline 
WA_E3OILO0_STR-OIC_OREGIO sy-vline 
WA_E3OILO0_STR-OIC_OLAND1 sy-vline 
WA_E3OILO0_STR-OIC_PORGIN sy-vline 
WA_E3OILO0_STR-OIC_PDESTN sy-vline 
WA_E3OILO0_STR-OIC_PTRIP sy-vline 
WA_E3OILO0_STR-OIC_PBATCH sy-vline 
WA_E3OILO0_STR-OIC_MOT sy-vline 
WA_E3OILO0_STR-OIC_AORGIN sy-vline 
WA_E3OILO0_STR-OIC_ADESTN sy-vline 
WA_E3OILO0_STR-OIC_TRUCKN sy-vline 
WA_E3OILO0_STR-OIA_BASELO sy-vline 
WA_E3OILO0_STR-OIINEX sy-vline 
WA_E3OILO0_STR-OIISOIL sy-vline 
WA_E3OILO0_STR-OIPTRFNC sy-vline 
WA_E3OILO0_STR-OIPARTNR sy-vline 
WA_E3OILO0_STR-OILASTOR sy-vline 
WA_E3OILO0_STR-OIDRC sy-vline 
WA_E3OILO0_STR-OIEXGNUM sy-vline 
WA_E3OILO0_STR-OIEXGTYP sy-vline 
WA_E3OILO0_STR-OICHEADOF sy-vline 
WA_E3OILO0_STR-OIPBL sy-vline 
WA_E3OILO0_STR-OIDRESTR sy-vline 
WA_E3OILO0_STR-OIDMSG_PR sy-vline 
WA_E3OILO0_STR-OIDMSG_QT sy-vline 
WA_E3OILO0_STR-OIDMSG_UO sy-vline 
WA_E3OILO0_STR-OIDMSG_DA sy-vline 
WA_E3OILO0_STR-OIDMSG_TR sy-vline 
WA_E3OILO0_STR-OICNTPER sy-vline 
WA_E3OILO0_STR-OICNTNTE sy-vline 
WA_E3OILO0_STR-OICNTPHO sy-vline 
WA_E3OILO0_STR-OID_SORTL sy-vline 
WA_E3OILO0_STR-OID_SORT2 sy-vline 
WA_E3OILO0_STR-OICFKARTD sy-vline      INTO ld_text SEPARATED BY SPACE.

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