ABAP Select data from SAP table CMMPOPAYTMQUERY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMPOPAYTMQUERY
*  INTO TABLE @DATA(IT_CMMPOPAYTMQUERY2).
*--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_CMMPOPAYTMQUERY INDEX 1 INTO DATA(WA_CMMPOPAYTMQUERY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMPOPAYTMQUERY>-MANDT = 1.
<CMMPOPAYTMQUERY>-PURCHASEORDER = 1.
<CMMPOPAYTMQUERY>-PURCHASEORDERITEM = 1.
<CMMPOPAYTMQUERY>-SUPPLIER = 1.
<CMMPOPAYTMQUERY>-PURCHASINGORGANIZATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMPOPAYTMQUERY-PURCHASINGGROUP, sy-vline,
  WA_CMMPOPAYTMQUERY-COMPANYCODE, sy-vline,
  WA_CMMPOPAYTMQUERY-MATERIALGROUP, sy-vline,
  WA_CMMPOPAYTMQUERY-PLANT, sy-vline,
  WA_CMMPOPAYTMQUERY-SUPPLIERCOUNTRY, sy-vline,
  WA_CMMPOPAYTMQUERY-REGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMPOPAYTMQUERY 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_CMMPOPAYTMQUERY 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_CMMPOPAYTMQUERY INTO WA_CMMPOPAYTMQUERY.


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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMPOPAYTMQUERY-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMPOPAYTMQUERY-SUPPLIER.
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_CMMPOPAYTMQUERY_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
SUPPLIERCOUNTRY TYPE STRING,
REGION TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
CALENDARYEAR TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
PURORDNETAMOUNTINDISPLAYCRCY TYPE STRING,
NROFPOINNONCOMPLIANTPAYTTRMS TYPE STRING,
NUMBEROFPURCHASEORDERS TYPE STRING,
MINNROFPOWITHNONCOMPPAYTTRM TYPE STRING,
NROFPOWITHNONCOMPLIANTPAYTTRM TYPE STRING,
POWITHNONCOMPLIANTPAYTTRMPCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMPOPAYTMQUERY_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_CMMPOPAYTMQUERY_STR-MANDT sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURCHASEORDER sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURCHASEORDERITEM sy-vline 
WA_CMMPOPAYTMQUERY_STR-SUPPLIER sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURCHASINGORGANIZATION sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURCHASINGGROUP sy-vline 
WA_CMMPOPAYTMQUERY_STR-COMPANYCODE sy-vline 
WA_CMMPOPAYTMQUERY_STR-MATERIALGROUP sy-vline 
WA_CMMPOPAYTMQUERY_STR-PLANT sy-vline 
WA_CMMPOPAYTMQUERY_STR-SUPPLIERCOUNTRY sy-vline 
WA_CMMPOPAYTMQUERY_STR-REGION sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURCHASEORDERDATE sy-vline 
WA_CMMPOPAYTMQUERY_STR-CALENDARYEAR sy-vline 
WA_CMMPOPAYTMQUERY_STR-DISPLAYCURRENCY sy-vline 
WA_CMMPOPAYTMQUERY_STR-PURORDNETAMOUNTINDISPLAYCRCY sy-vline 
WA_CMMPOPAYTMQUERY_STR-NROFPOINNONCOMPLIANTPAYTTRMS sy-vline 
WA_CMMPOPAYTMQUERY_STR-NUMBEROFPURCHASEORDERS sy-vline 
WA_CMMPOPAYTMQUERY_STR-MINNROFPOWITHNONCOMPPAYTTRM sy-vline 
WA_CMMPOPAYTMQUERY_STR-NROFPOWITHNONCOMPLIANTPAYTTRM sy-vline 
WA_CMMPOPAYTMQUERY_STR-POWITHNONCOMPLIANTPAYTTRMPCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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