ABAP Select data from SAP table /PM0/ABAOIOCAUTO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ABAOIOCAUTO 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 /PM0/ABAOIOCAUTO. 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 /PM0/ABAOIOCAUTO 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_/PM0/ABAOIOCAUTO TYPE STANDARD TABLE OF /PM0/ABAOIOCAUTO,
      WA_/PM0/ABAOIOCAUTO TYPE /PM0/ABAOIOCAUTO,
      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: </PM0/ABAOIOCAUTO> TYPE /PM0/ABAOIOCAUTO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ABAOIOCAUTO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ABAOIOCAUTO
  INTO TABLE IT_/PM0/ABAOIOCAUTO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABAOIOCAUTO
*  INTO TABLE @DATA(IT_/PM0/ABAOIOCAUTO2).
*--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_/PM0/ABAOIOCAUTO INDEX 1 INTO DATA(WA_/PM0/ABAOIOCAUTO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ABAOIOCAUTO ASSIGNING </PM0/ABAOIOCAUTO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABAOIOCAUTO>-PLATENUMBER_TT = 1.
</PM0/ABAOIOCAUTO>-INTCOVCONF_FG = 1.
</PM0/ABAOIOCAUTO>-REGISDISTRICT_CD = 1.
</PM0/ABAOIOCAUTO>-FLAGTYP_CD = 1.
</PM0/ABAOIOCAUTO>-AUTOFLAGTYP_CD = 1.

ENDLOOP.

LOOP AT IT_/PM0/ABAOIOCAUTO INTO WA_/PM0/ABAOIOCAUTO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABAOIOCAUTO-YEARCONSTRUCT_DT, sy-vline,
  WA_/PM0/ABAOIOCAUTO-FIRSTREGISTR_DT, sy-vline,
  WA_/PM0/ABAOIOCAUTO-SEASONPERFROM_DT, sy-vline,
  WA_/PM0/ABAOIOCAUTO-SEASONPERTO_DT, sy-vline,
  WA_/PM0/ABAOIOCAUTO-VEHICLEIDENT_ID, sy-vline,
  WA_/PM0/ABAOIOCAUTO-PARTN_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABAOIOCAUTO 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_/PM0/ABAOIOCAUTO 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_/PM0/ABAOIOCAUTO INTO WA_/PM0/ABAOIOCAUTO.


*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 PARTN_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABAOIOCAUTO-PARTN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABAOIOCAUTO-PARTN_ID.
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_/PM0/ABAOIOCAUTO_STR, 
PLATENUMBER_TT TYPE STRING,
INTCOVCONF_FG TYPE STRING,
REGISDISTRICT_CD TYPE STRING,
FLAGTYP_CD TYPE STRING,
AUTOFLAGTYP_CD TYPE STRING,
YEARCONSTRUCT_DT TYPE STRING,
FIRSTREGISTR_DT TYPE STRING,
SEASONPERFROM_DT TYPE STRING,
SEASONPERTO_DT TYPE STRING,
VEHICLEIDENT_ID TYPE STRING,
PARTN_ID TYPE STRING,
PARTNERACT_ID TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABAOIOCAUTO_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_/PM0/ABAOIOCAUTO_STR-PLATENUMBER_TT sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-INTCOVCONF_FG sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-REGISDISTRICT_CD sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-FLAGTYP_CD sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-AUTOFLAGTYP_CD sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-YEARCONSTRUCT_DT sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-FIRSTREGISTR_DT sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-SEASONPERFROM_DT sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-SEASONPERTO_DT sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-VEHICLEIDENT_ID sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-PARTN_ID sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-PARTNERACT_ID sy-vline 
WA_/PM0/ABAOIOCAUTO_STR-CUSTOMER_PB_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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