ABAP Select data from SAP table CPMRPCHGINSOS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPMRPCHGINSOS
*  INTO TABLE @DATA(IT_CPMRPCHGINSOS2).
*--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_CPMRPCHGINSOS INDEX 1 INTO DATA(WA_CPMRPCHGINSOS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPMRPCHGINSOS>-MANDT = 1.
<CPMRPCHGINSOS>-PMRPSIMULATION = 1.
<CPMRPCHGINSOS>-RECEIPTINTERNALID = 1.
<CPMRPCHGINSOS>-TOPLEVELPRODUCT = 1.
<CPMRPCHGINSOS>-MATERIALNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPMRPCHGINSOS-TOPLEVELDEMANDINTERNALID, sy-vline,
  WA_CPMRPCHGINSOS-PRODUCT, sy-vline,
  WA_CPMRPCHGINSOS-PMRPCOMPONENT, sy-vline,
  WA_CPMRPCHGINSOS-PLANT, sy-vline,
  WA_CPMRPCHGINSOS-PLANTNAME, sy-vline,
  WA_CPMRPCHGINSOS-PMRPSOURCEOFSUPPLYINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPMRPCHGINSOS 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_CPMRPCHGINSOS 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_CPMRPCHGINSOS INTO WA_CPMRPCHGINSOS.


*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 MATN1, internal->external for field TOPLEVELPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPMRPCHGINSOS-TOPLEVELPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPMRPCHGINSOS-TOPLEVELPRODUCT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPMRPCHGINSOS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPMRPCHGINSOS-UNITOFMEASURE.
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_CPMRPCHGINSOS_STR, 
MANDT TYPE STRING,
PMRPSIMULATION TYPE STRING,
RECEIPTINTERNALID TYPE STRING,
TOPLEVELPRODUCT TYPE STRING,
MATERIALNAME TYPE STRING,
TOPLEVELDEMANDINTERNALID TYPE STRING,
PRODUCT TYPE STRING,
PMRPCOMPONENT TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PMRPSOURCEOFSUPPLYINTERNALID TYPE STRING,
PMRPSOURCEOFSUPPLYNAME TYPE STRING,
PMRPREFERENCEPLAN TYPE STRING,
PMRPBUCKETCATEGORY TYPE STRING,
RECEIPTSTARTDATE TYPE STRING,
RECEIPTENDDATE TYPE STRING,
PMRPTIMEFRAMETEXT TYPE STRING,
ORIGLQUOTAARRANGEMENTPERCENT TYPE STRING,
QUOTAARRANGEMENTPERCENT TYPE STRING,
PMRPRECEIPTQUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPMRPCHGINSOS_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_CPMRPCHGINSOS_STR-MANDT sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPSIMULATION sy-vline 
WA_CPMRPCHGINSOS_STR-RECEIPTINTERNALID sy-vline 
WA_CPMRPCHGINSOS_STR-TOPLEVELPRODUCT sy-vline 
WA_CPMRPCHGINSOS_STR-MATERIALNAME sy-vline 
WA_CPMRPCHGINSOS_STR-TOPLEVELDEMANDINTERNALID sy-vline 
WA_CPMRPCHGINSOS_STR-PRODUCT sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPCOMPONENT sy-vline 
WA_CPMRPCHGINSOS_STR-PLANT sy-vline 
WA_CPMRPCHGINSOS_STR-PLANTNAME sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPSOURCEOFSUPPLYINTERNALID sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPSOURCEOFSUPPLYNAME sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPREFERENCEPLAN sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPBUCKETCATEGORY sy-vline 
WA_CPMRPCHGINSOS_STR-RECEIPTSTARTDATE sy-vline 
WA_CPMRPCHGINSOS_STR-RECEIPTENDDATE sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPTIMEFRAMETEXT sy-vline 
WA_CPMRPCHGINSOS_STR-ORIGLQUOTAARRANGEMENTPERCENT sy-vline 
WA_CPMRPCHGINSOS_STR-QUOTAARRANGEMENTPERCENT sy-vline 
WA_CPMRPCHGINSOS_STR-PMRPRECEIPTQUANTITY sy-vline 
WA_CPMRPCHGINSOS_STR-UNITOFMEASURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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