ABAP Select data from SAP table IPMRPRECEIPTKPI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPMRPRECEIPTKPI
*  INTO TABLE @DATA(IT_IPMRPRECEIPTKPI2).
*--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_IPMRPRECEIPTKPI INDEX 1 INTO DATA(WA_IPMRPRECEIPTKPI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPMRPRECEIPTKPI>-MANDT = 1.
<IPMRPRECEIPTKPI>-PMRPSIMULATION = 1.
<IPMRPRECEIPTKPI>-TOPLEVELDEMANDINTERNALID = 1.
<IPMRPRECEIPTKPI>-RECEIPTINTERNALID = 1.
<IPMRPRECEIPTKPI>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPMRPRECEIPTKPI-PMRPRECEIPTCATEGORY, sy-vline,
  WA_IPMRPRECEIPTKPI-PMRPRECEIPTQUANTITY, sy-vline,
  WA_IPMRPRECEIPTKPI-UNITOFMEASURE, sy-vline,
  WA_IPMRPRECEIPTKPI-PRODUCT, sy-vline,
  WA_IPMRPRECEIPTKPI-MRPAREA, sy-vline,
  WA_IPMRPRECEIPTKPI-NUMBEROFSOURCESOFSUPPLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPMRPRECEIPTKPI 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_IPMRPRECEIPTKPI 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_IPMRPRECEIPTKPI INTO WA_IPMRPRECEIPTKPI.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IPMRPRECEIPTKPI-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPMRPRECEIPTKPI-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IPMRPRECEIPTKPI-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPMRPRECEIPTKPI-PRODUCT.
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_IPMRPRECEIPTKPI_STR, 
MANDT TYPE STRING,
PMRPSIMULATION TYPE STRING,
TOPLEVELDEMANDINTERNALID TYPE STRING,
RECEIPTINTERNALID TYPE STRING,
PLANT TYPE STRING,
PMRPRECEIPTCATEGORY TYPE STRING,
PMRPRECEIPTQUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,
PRODUCT TYPE STRING,
MRPAREA TYPE STRING,
NUMBEROFSOURCESOFSUPPLY TYPE STRING,
NUMBEROFISSUES TYPE STRING,
PMRPSIMLNNUMBEROFCAPISSUES TYPE STRING,
PMRPNUMBEROFCONSTRAINTISSUES TYPE STRING,
PMRPNUMBEROFSOSISSUES TYPE STRING,
PMRPNUMBEROFOUTOFSIMLNISSUES TYPE STRING,
PMRPCAPACITYDELTAQTY TYPE STRING,
PMRPCONSTRAINTDELTAQUANTITY TYPE STRING,
PMRPDELTAQUANTITY TYPE STRING,
PMRPMISSINGRECEIPTQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPMRPRECEIPTKPI_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_IPMRPRECEIPTKPI_STR-MANDT sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPSIMULATION sy-vline 
WA_IPMRPRECEIPTKPI_STR-TOPLEVELDEMANDINTERNALID sy-vline 
WA_IPMRPRECEIPTKPI_STR-RECEIPTINTERNALID sy-vline 
WA_IPMRPRECEIPTKPI_STR-PLANT sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPRECEIPTCATEGORY sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPRECEIPTQUANTITY sy-vline 
WA_IPMRPRECEIPTKPI_STR-UNITOFMEASURE sy-vline 
WA_IPMRPRECEIPTKPI_STR-PRODUCT sy-vline 
WA_IPMRPRECEIPTKPI_STR-MRPAREA sy-vline 
WA_IPMRPRECEIPTKPI_STR-NUMBEROFSOURCESOFSUPPLY sy-vline 
WA_IPMRPRECEIPTKPI_STR-NUMBEROFISSUES sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPSIMLNNUMBEROFCAPISSUES sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPNUMBEROFCONSTRAINTISSUES sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPNUMBEROFSOSISSUES sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPNUMBEROFOUTOFSIMLNISSUES sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPCAPACITYDELTAQTY sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPCONSTRAINTDELTAQUANTITY sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPDELTAQUANTITY sy-vline 
WA_IPMRPRECEIPTKPI_STR-PMRPMISSINGRECEIPTQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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