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

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABDCDOCU
*  INTO TABLE @DATA(IT_/PM0/ABDCDOCU2).
*--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/ABDCDOCU INDEX 1 INTO DATA(WA_/PM0/ABDCDOCU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABDCDOCU>-CLIENT = 1.
</PM0/ABDCDOCU>-DOC_GD = 1.
</PM0/ABDCDOCU>-COR_ID = 1.
</PM0/ABDCDOCU>-DOC_ID = 1.
</PM0/ABDCDOCU>-COTYP_CD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABDCDOCU-SCHEDBYUSER_FG, sy-vline,
  WA_/PM0/ABDCDOCU-DOCSTATE_CD, sy-vline,
  WA_/PM0/ABDCDOCU-DATASTATE_CD, sy-vline,
  WA_/PM0/ABDCDOCU-CORKEY_ID, sy-vline,
  WA_/PM0/ABDCDOCU-DELETED_FG, sy-vline,
  WA_/PM0/ABDCDOCU-DOCNR_TT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABDCDOCU 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/ABDCDOCU 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/ABDCDOCU INTO WA_/PM0/ABDCDOCU.


*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 DOCNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABDCDOCU-DOCNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABDCDOCU-DOCNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DATE_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABDCDOCU-DATE_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABDCDOCU-DATE_CD.
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/ABDCDOCU_STR, 
CLIENT TYPE STRING,
DOC_GD TYPE STRING,
COR_ID TYPE STRING,
DOC_ID TYPE STRING,
COTYP_CD TYPE STRING,
SCHEDBYUSER_FG TYPE STRING,
DOCSTATE_CD TYPE STRING,
DATASTATE_CD TYPE STRING,
CORKEY_ID TYPE STRING,
DELETED_FG TYPE STRING,
DOCNR_TT TYPE STRING,
INSTANTPRINT_FG TYPE STRING,
JOURNALNO_ID TYPE STRING,
APPLKEY_CD TYPE STRING,
APPLTYPE_CD TYPE STRING,
DOCIDENT_TT TYPE STRING,
BO_ID TYPE STRING,
POLICY_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
POLPR_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVERAGE_ID TYPE STRING,
COVCPCO_ID TYPE STRING,
BIZPRC_ID TYPE STRING,
BTX_ID TYPE STRING,
ACTION_ID TYPE STRING,
DATE_CD TYPE STRING,
DATADETERM_ID TYPE STRING,
DATDETORDRNO_ID TYPE STRING,
PREDATCOR_FG TYPE STRING,
ANNOCOR_FG TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,
CHANGEUSR_TT TYPE STRING,
CHANGE_TS TYPE STRING,
RECORDUSR_TT TYPE STRING,
RECORD_TS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABDCDOCU_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/ABDCDOCU_STR-CLIENT sy-vline 
WA_/PM0/ABDCDOCU_STR-DOC_GD sy-vline 
WA_/PM0/ABDCDOCU_STR-COR_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-DOC_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-COTYP_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-SCHEDBYUSER_FG sy-vline 
WA_/PM0/ABDCDOCU_STR-DOCSTATE_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-DATASTATE_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-CORKEY_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-DELETED_FG sy-vline 
WA_/PM0/ABDCDOCU_STR-DOCNR_TT sy-vline 
WA_/PM0/ABDCDOCU_STR-INSTANTPRINT_FG sy-vline 
WA_/PM0/ABDCDOCU_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-APPLKEY_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-APPLTYPE_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-DOCIDENT_TT sy-vline 
WA_/PM0/ABDCDOCU_STR-BO_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-POLICY_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-PPDPAC_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-POLPR_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-COVPAC_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-COVERAGE_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-COVCPCO_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-BIZPRC_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-BTX_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-ACTION_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-DATE_CD sy-vline 
WA_/PM0/ABDCDOCU_STR-DATADETERM_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-DATDETORDRNO_ID sy-vline 
WA_/PM0/ABDCDOCU_STR-PREDATCOR_FG sy-vline 
WA_/PM0/ABDCDOCU_STR-ANNOCOR_FG sy-vline 
WA_/PM0/ABDCDOCU_STR-CUSTOMER_PB_CI sy-vline 
WA_/PM0/ABDCDOCU_STR-CHANGEUSR_TT sy-vline 
WA_/PM0/ABDCDOCU_STR-CHANGE_TS sy-vline 
WA_/PM0/ABDCDOCU_STR-RECORDUSR_TT sy-vline 
WA_/PM0/ABDCDOCU_STR-RECORD_TS sy-vline      INTO ld_text SEPARATED BY SPACE.

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