ABAP Select data from SAP table OIO_MX_OBJECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIO_MX_OBJECT
*  INTO TABLE @DATA(IT_OIO_MX_OBJECT2).
*--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_OIO_MX_OBJECT INDEX 1 INTO DATA(WA_OIO_MX_OBJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIO_MX_OBJECT>-MANDT = 1.
<OIO_MX_OBJECT>-MTXUS = 1.
<OIO_MX_OBJECT>-MTXID = 1.
<OIO_MX_OBJECT>-FLOW_ID = 1.
<OIO_MX_OBJECT>-OBJTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIO_MX_OBJECT-OBJID, sy-vline,
  WA_OIO_MX_OBJECT-ONAME, sy-vline,
  WA_OIO_MX_OBJECT-OBJ_EXTID, sy-vline,
  WA_OIO_MX_OBJECT-DESCR, sy-vline,
  WA_OIO_MX_OBJECT-STATUS_CD, sy-vline,
  WA_OIO_MX_OBJECT-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIO_MX_OBJECT 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_OIO_MX_OBJECT 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_OIO_MX_OBJECT INTO WA_OIO_MX_OBJECT.


*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 MTXID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-MTXID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-MTXID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-LMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-LMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-WRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-WRKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UMLME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-UMLME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-UMLME.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-PROJK.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-TPLNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-BAUTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEABM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_MX_OBJECT-MEABM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_MX_OBJECT-MEABM.
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_OIO_MX_OBJECT_STR, 
MANDT TYPE STRING,
MTXUS TYPE STRING,
MTXID TYPE STRING,
FLOW_ID TYPE STRING,
OBJTY TYPE STRING,
OBJID TYPE STRING,
ONAME TYPE STRING,
OBJ_EXTID TYPE STRING,
DESCR TYPE STRING,
STATUS_CD TYPE STRING,
MATNR TYPE STRING,
MATKL TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
UMWRK TYPE STRING,
UMLGO TYPE STRING,
UMCHA TYPE STRING,
XPART TYPE STRING,
BWART TYPE STRING,
BWTXT TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
LGMNG TYPE STRING,
LMEIN TYPE STRING,
WRKMG TYPE STRING,
WRKME TYPE STRING,
UMLMG TYPE STRING,
UMLME TYPE STRING,
KUNWE TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PROJK TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
WEMPF TYPE STRING,
ABLAD TYPE STRING,
TPLNR TYPE STRING,
EQUNR TYPE STRING,
BAUTL TYPE STRING,
NTGEW TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
MEABM TYPE STRING,
BEROT TYPE STRING,
XHOLD TYPE STRING,
XDELT_OBJ TYPE STRING,
X_COMPLETE TYPE STRING,
SPROC TYPE STRING,
DATUM TYPE STRING,
ERDAT TYPE STRING,
DMDAT TYPE STRING,
SPDAT TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
US_DETAIL TYPE STRING,
US_DATE TYPE STRING,
US_QUANT TYPE STRING,
US_UNIT TYPE STRING,
US_DESCR TYPE STRING,
LEVEL_HI TYPE STRING,
LEVEL_LO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIO_MX_OBJECT_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_OIO_MX_OBJECT_STR-MANDT sy-vline 
WA_OIO_MX_OBJECT_STR-MTXUS sy-vline 
WA_OIO_MX_OBJECT_STR-MTXID sy-vline 
WA_OIO_MX_OBJECT_STR-FLOW_ID sy-vline 
WA_OIO_MX_OBJECT_STR-OBJTY sy-vline 
WA_OIO_MX_OBJECT_STR-OBJID sy-vline 
WA_OIO_MX_OBJECT_STR-ONAME sy-vline 
WA_OIO_MX_OBJECT_STR-OBJ_EXTID sy-vline 
WA_OIO_MX_OBJECT_STR-DESCR sy-vline 
WA_OIO_MX_OBJECT_STR-STATUS_CD sy-vline 
WA_OIO_MX_OBJECT_STR-MATNR sy-vline 
WA_OIO_MX_OBJECT_STR-MATKL sy-vline 
WA_OIO_MX_OBJECT_STR-WERKS sy-vline 
WA_OIO_MX_OBJECT_STR-LGORT sy-vline 
WA_OIO_MX_OBJECT_STR-CHARG sy-vline 
WA_OIO_MX_OBJECT_STR-UMWRK sy-vline 
WA_OIO_MX_OBJECT_STR-UMLGO sy-vline 
WA_OIO_MX_OBJECT_STR-UMCHA sy-vline 
WA_OIO_MX_OBJECT_STR-XPART sy-vline 
WA_OIO_MX_OBJECT_STR-BWART sy-vline 
WA_OIO_MX_OBJECT_STR-BWTXT sy-vline 
WA_OIO_MX_OBJECT_STR-MENGE sy-vline 
WA_OIO_MX_OBJECT_STR-MEINS sy-vline 
WA_OIO_MX_OBJECT_STR-LGMNG sy-vline 
WA_OIO_MX_OBJECT_STR-LMEIN sy-vline 
WA_OIO_MX_OBJECT_STR-WRKMG sy-vline 
WA_OIO_MX_OBJECT_STR-WRKME sy-vline 
WA_OIO_MX_OBJECT_STR-UMLMG sy-vline 
WA_OIO_MX_OBJECT_STR-UMLME sy-vline 
WA_OIO_MX_OBJECT_STR-KUNWE sy-vline 
WA_OIO_MX_OBJECT_STR-BUKRS sy-vline 
WA_OIO_MX_OBJECT_STR-KOKRS sy-vline 
WA_OIO_MX_OBJECT_STR-KOSTL sy-vline 
WA_OIO_MX_OBJECT_STR-AUFNR sy-vline 
WA_OIO_MX_OBJECT_STR-PROJK sy-vline 
WA_OIO_MX_OBJECT_STR-GSBER sy-vline 
WA_OIO_MX_OBJECT_STR-PRCTR sy-vline 
WA_OIO_MX_OBJECT_STR-KUNNR sy-vline 
WA_OIO_MX_OBJECT_STR-LIFNR sy-vline 
WA_OIO_MX_OBJECT_STR-EKORG sy-vline 
WA_OIO_MX_OBJECT_STR-EKGRP sy-vline 
WA_OIO_MX_OBJECT_STR-WEMPF sy-vline 
WA_OIO_MX_OBJECT_STR-ABLAD sy-vline 
WA_OIO_MX_OBJECT_STR-TPLNR sy-vline 
WA_OIO_MX_OBJECT_STR-EQUNR sy-vline 
WA_OIO_MX_OBJECT_STR-BAUTL sy-vline 
WA_OIO_MX_OBJECT_STR-NTGEW sy-vline 
WA_OIO_MX_OBJECT_STR-BRGEW sy-vline 
WA_OIO_MX_OBJECT_STR-GEWEI sy-vline 
WA_OIO_MX_OBJECT_STR-VOLUM sy-vline 
WA_OIO_MX_OBJECT_STR-VOLEH sy-vline 
WA_OIO_MX_OBJECT_STR-LAENG sy-vline 
WA_OIO_MX_OBJECT_STR-BREIT sy-vline 
WA_OIO_MX_OBJECT_STR-HOEHE sy-vline 
WA_OIO_MX_OBJECT_STR-MEABM sy-vline 
WA_OIO_MX_OBJECT_STR-BEROT sy-vline 
WA_OIO_MX_OBJECT_STR-XHOLD sy-vline 
WA_OIO_MX_OBJECT_STR-XDELT_OBJ sy-vline 
WA_OIO_MX_OBJECT_STR-X_COMPLETE sy-vline 
WA_OIO_MX_OBJECT_STR-SPROC sy-vline 
WA_OIO_MX_OBJECT_STR-DATUM sy-vline 
WA_OIO_MX_OBJECT_STR-ERDAT sy-vline 
WA_OIO_MX_OBJECT_STR-DMDAT sy-vline 
WA_OIO_MX_OBJECT_STR-SPDAT sy-vline 
WA_OIO_MX_OBJECT_STR-BLDAT sy-vline 
WA_OIO_MX_OBJECT_STR-BUDAT sy-vline 
WA_OIO_MX_OBJECT_STR-US_DETAIL sy-vline 
WA_OIO_MX_OBJECT_STR-US_DATE sy-vline 
WA_OIO_MX_OBJECT_STR-US_QUANT sy-vline 
WA_OIO_MX_OBJECT_STR-US_UNIT sy-vline 
WA_OIO_MX_OBJECT_STR-US_DESCR sy-vline 
WA_OIO_MX_OBJECT_STR-LEVEL_HI sy-vline 
WA_OIO_MX_OBJECT_STR-LEVEL_LO sy-vline      INTO ld_text SEPARATED BY SPACE.

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