ABAP Select data from SAP table /CCIS/PBU18O into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CCIS/PBU18O 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 /CCIS/PBU18O. 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 /CCIS/PBU18O 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_/CCIS/PBU18O TYPE STANDARD TABLE OF /CCIS/PBU18O,
      WA_/CCIS/PBU18O TYPE /CCIS/PBU18O,
      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: </CCIS/PBU18O> TYPE /CCIS/PBU18O.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/CCIS/PBU18O.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CCIS/PBU18O
  INTO TABLE IT_/CCIS/PBU18O.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CCIS/PBU18O
*  INTO TABLE @DATA(IT_/CCIS/PBU18O2).
*--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_/CCIS/PBU18O INDEX 1 INTO DATA(WA_/CCIS/PBU18O2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CCIS/PBU18O ASSIGNING </CCIS/PBU18O>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CCIS/PBU18O>-MANDT = 1.
</CCIS/PBU18O>-OBJNR = 1.
</CCIS/PBU18O>-DATIV = 1.
</CCIS/PBU18O>-DATIB = 1.
</CCIS/PBU18O>-DATPV = 1.

ENDLOOP.

LOOP AT IT_/CCIS/PBU18O INTO WA_/CCIS/PBU18O.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CCIS/PBU18O-DATPB, sy-vline,
  WA_/CCIS/PBU18O-BUKRS, sy-vline,
  WA_/CCIS/PBU18O-ACCT, sy-vline,
  WA_/CCIS/PBU18O-TAXOBJ, sy-vline,
  WA_/CCIS/PBU18O-AUFNR, sy-vline,
  WA_/CCIS/PBU18O-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CCIS/PBU18O 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_/CCIS/PBU18O 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_/CCIS/PBU18O INTO WA_/CCIS/PBU18O.


*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 ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-ACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTLOVH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CCIS/PBU18O-KOSTLOVH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CCIS/PBU18O-KOSTLOVH.
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_/CCIS/PBU18O_STR, 
MANDT TYPE STRING,
OBJNR TYPE STRING,
DATIV TYPE STRING,
DATIB TYPE STRING,
DATPV TYPE STRING,
DATPB TYPE STRING,
BUKRS TYPE STRING,
ACCT TYPE STRING,
TAXOBJ TYPE STRING,
AUFNR TYPE STRING,
MATNR TYPE STRING,
KOSTL TYPE STRING,
PRODUCT TYPE STRING,
DIFF_OBJ TYPE STRING,
DIFF_TYPE TYPE STRING,
DIFF_SOURCE TYPE STRING,
CONTRACT TYPE STRING,
KOSTLOVH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CCIS/PBU18O_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_/CCIS/PBU18O_STR-MANDT sy-vline 
WA_/CCIS/PBU18O_STR-OBJNR sy-vline 
WA_/CCIS/PBU18O_STR-DATIV sy-vline 
WA_/CCIS/PBU18O_STR-DATIB sy-vline 
WA_/CCIS/PBU18O_STR-DATPV sy-vline 
WA_/CCIS/PBU18O_STR-DATPB sy-vline 
WA_/CCIS/PBU18O_STR-BUKRS sy-vline 
WA_/CCIS/PBU18O_STR-ACCT sy-vline 
WA_/CCIS/PBU18O_STR-TAXOBJ sy-vline 
WA_/CCIS/PBU18O_STR-AUFNR sy-vline 
WA_/CCIS/PBU18O_STR-MATNR sy-vline 
WA_/CCIS/PBU18O_STR-KOSTL sy-vline 
WA_/CCIS/PBU18O_STR-PRODUCT sy-vline 
WA_/CCIS/PBU18O_STR-DIFF_OBJ sy-vline 
WA_/CCIS/PBU18O_STR-DIFF_TYPE sy-vline 
WA_/CCIS/PBU18O_STR-DIFF_SOURCE sy-vline 
WA_/CCIS/PBU18O_STR-CONTRACT sy-vline 
WA_/CCIS/PBU18O_STR-KOSTLOVH sy-vline      INTO ld_text SEPARATED BY SPACE.

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