ABAP Select data from SAP table OIJ09_PARTNERS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIJ09_PARTNERS 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 OIJ09_PARTNERS. 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 OIJ09_PARTNERS 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_OIJ09_PARTNERS TYPE STANDARD TABLE OF OIJ09_PARTNERS,
      WA_OIJ09_PARTNERS TYPE OIJ09_PARTNERS,
      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: <OIJ09_PARTNERS> TYPE OIJ09_PARTNERS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIJ09_PARTNERS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIJ09_PARTNERS
  INTO TABLE IT_OIJ09_PARTNERS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIJ09_PARTNERS
*  INTO TABLE @DATA(IT_OIJ09_PARTNERS2).
*--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_OIJ09_PARTNERS INDEX 1 INTO DATA(WA_OIJ09_PARTNERS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIJ09_PARTNERS ASSIGNING <OIJ09_PARTNERS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIJ09_PARTNERS>-MANDT = 1.
<OIJ09_PARTNERS>-NOMTK = 1.
<OIJ09_PARTNERS>-NOMIT = 1.
<OIJ09_PARTNERS>-SIM_SCHED_ID = 1.
<OIJ09_PARTNERS>-SIM_SCHED_LN = 1.

ENDLOOP.

LOOP AT IT_OIJ09_PARTNERS INTO WA_OIJ09_PARTNERS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIJ09_PARTNERS-SIM_VERSION, sy-vline,
  WA_OIJ09_PARTNERS-PARVW, sy-vline,
  WA_OIJ09_PARTNERS-VTXTK, sy-vline,
  WA_OIJ09_PARTNERS-PARTNER, sy-vline,
  WA_OIJ09_PARTNERS-PARTNER_NAME, sy-vline,
  WA_OIJ09_PARTNERS-NMSELECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIJ09_PARTNERS 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_OIJ09_PARTNERS 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_OIJ09_PARTNERS INTO WA_OIJ09_PARTNERS.


*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 NOMTK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIJ09_PARTNERS-NOMTK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ09_PARTNERS-NOMTK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIM_SCHED_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIJ09_PARTNERS-SIM_SCHED_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ09_PARTNERS-SIM_SCHED_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_OIJ09_PARTNERS-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ09_PARTNERS-PARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIJ09_PARTNERS-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ09_PARTNERS-PARTNER.
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_OIJ09_PARTNERS_STR, 
MANDT TYPE STRING,
NOMTK TYPE STRING,
NOMIT TYPE STRING,
SIM_SCHED_ID TYPE STRING,
SIM_SCHED_LN TYPE STRING,
SIM_VERSION TYPE STRING,
PARVW TYPE STRING,
VTXTK TYPE STRING,
PARTNER TYPE STRING,
PARTNER_NAME TYPE STRING,
NMSELECT TYPE STRING,
DELIND TYPE STRING,
BLOIND TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIJ09_PARTNERS_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_OIJ09_PARTNERS_STR-MANDT sy-vline 
WA_OIJ09_PARTNERS_STR-NOMTK sy-vline 
WA_OIJ09_PARTNERS_STR-NOMIT sy-vline 
WA_OIJ09_PARTNERS_STR-SIM_SCHED_ID sy-vline 
WA_OIJ09_PARTNERS_STR-SIM_SCHED_LN sy-vline 
WA_OIJ09_PARTNERS_STR-SIM_VERSION sy-vline 
WA_OIJ09_PARTNERS_STR-PARVW sy-vline 
WA_OIJ09_PARTNERS_STR-VTXTK sy-vline 
WA_OIJ09_PARTNERS_STR-PARTNER sy-vline 
WA_OIJ09_PARTNERS_STR-PARTNER_NAME sy-vline 
WA_OIJ09_PARTNERS_STR-NMSELECT sy-vline 
WA_OIJ09_PARTNERS_STR-DELIND sy-vline 
WA_OIJ09_PARTNERS_STR-BLOIND sy-vline 
WA_OIJ09_PARTNERS_STR-ERDAT sy-vline 
WA_OIJ09_PARTNERS_STR-ERZEIT sy-vline 
WA_OIJ09_PARTNERS_STR-ERNAM sy-vline 
WA_OIJ09_PARTNERS_STR-AEDAT sy-vline 
WA_OIJ09_PARTNERS_STR-AEZEIT sy-vline 
WA_OIJ09_PARTNERS_STR-AENAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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