ABAP Select data from SAP table OIB_01_S_MATDOCOIL_ARCCONSKEY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIB_01_S_MATDOCOIL_ARCCONSKEY 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 OIB_01_S_MATDOCOIL_ARCCONSKEY. 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 OIB_01_S_MATDOCOIL_ARCCONSKEY 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_OIB_01_S_MATDOCOIL_ARCCONSKEY TYPE STANDARD TABLE OF OIB_01_S_MATDOCOIL_ARCCONSKEY,
      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY TYPE OIB_01_S_MATDOCOIL_ARCCONSKEY,
      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: <OIB_01_S_MATDOCOIL_ARCCONSKEY> TYPE OIB_01_S_MATDOCOIL_ARCCONSKEY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIB_01_S_MATDOCOIL_ARCCONSKEY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIB_01_S_MATDOCOIL_ARCCONSKEY
  INTO TABLE IT_OIB_01_S_MATDOCOIL_ARCCONSKEY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIB_01_S_MATDOCOIL_ARCCONSKEY
*  INTO TABLE @DATA(IT_OIB_01_S_MATDOCOIL_ARCCONSKEY2).
*--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_OIB_01_S_MATDOCOIL_ARCCONSKEY INDEX 1 INTO DATA(WA_OIB_01_S_MATDOCOIL_ARCCONSKEY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIB_01_S_MATDOCOIL_ARCCONSKEY ASSIGNING <OIB_01_S_MATDOCOIL_ARCCONSKEY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIB_01_S_MATDOCOIL_ARCCONSKEY>-MATBF = 1.
<OIB_01_S_MATDOCOIL_ARCCONSKEY>-WERKS = 1.
<OIB_01_S_MATDOCOIL_ARCCONSKEY>-LGORT_SID = 1.
<OIB_01_S_MATDOCOIL_ARCCONSKEY>-CHARG_SID = 1.
<OIB_01_S_MATDOCOIL_ARCCONSKEY>-LIFNR_SID = 1.

ENDLOOP.

LOOP AT IT_OIB_01_S_MATDOCOIL_ARCCONSKEY INTO WA_OIB_01_S_MATDOCOIL_ARCCONSKEY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_KDAUF, sy-vline,
  WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_KDPOS, sy-vline,
  WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_PSPNR, sy-vline,
  WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-KUNNR_SID, sy-vline,
  WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-SOBKZ, sy-vline,
  WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-LBBSA_SID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIB_01_S_MATDOCOIL_ARCCONSKEY 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_OIB_01_S_MATDOCOIL_ARCCONSKEY 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_OIB_01_S_MATDOCOIL_ARCCONSKEY INTO WA_OIB_01_S_MATDOCOIL_ARCCONSKEY.


*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 MATN1, internal->external for field MATBF
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MATBF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MATBF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR_SID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-LIFNR_SID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-LIFNR_SID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MAT_KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field MAT_PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-MAT_PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR_SID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-KUNNR_SID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-KUNNR_SID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DISUB_OWNER_SID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-DISUB_OWNER_SID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-DISUB_OWNER_SID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field GJPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-GJPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_01_S_MATDOCOIL_ARCCONSKEY-GJPER.
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_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR, 
MATBF TYPE STRING,
WERKS TYPE STRING,
LGORT_SID TYPE STRING,
CHARG_SID TYPE STRING,
LIFNR_SID TYPE STRING,
MAT_KDAUF TYPE STRING,
MAT_KDPOS TYPE STRING,
MAT_PSPNR TYPE STRING,
KUNNR_SID TYPE STRING,
SOBKZ TYPE STRING,
LBBSA_SID TYPE STRING,
DISUB_OWNER_SID TYPE STRING,
RESOURCENAME_SID TYPE STRING,
GJPER TYPE STRING,
_DATAAGING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_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_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-MATBF sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-WERKS sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-LGORT_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-CHARG_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-LIFNR_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-MAT_KDAUF sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-MAT_KDPOS sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-MAT_PSPNR sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-KUNNR_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-SOBKZ sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-LBBSA_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-DISUB_OWNER_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-RESOURCENAME_SID sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-GJPER sy-vline 
WA_OIB_01_S_MATDOCOIL_ARCCONSKEY_STR-_DATAAGING sy-vline      INTO ld_text SEPARATED BY SPACE.

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