ABAP Select data from SAP table PPMRSMOSUPP1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPMRSMOSUPP1 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 PPMRSMOSUPP1. 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 PPMRSMOSUPP1 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_PPMRSMOSUPP1 TYPE STANDARD TABLE OF PPMRSMOSUPP1,
      WA_PPMRSMOSUPP1 TYPE PPMRSMOSUPP1,
      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: <PPMRSMOSUPP1> TYPE PPMRSMOSUPP1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PPMRSMOSUPP1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PPMRSMOSUPP1
  INTO TABLE IT_PPMRSMOSUPP1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPMRSMOSUPP1
*  INTO TABLE @DATA(IT_PPMRSMOSUPP12).
*--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_PPMRSMOSUPP1 INDEX 1 INTO DATA(WA_PPMRSMOSUPP12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PPMRSMOSUPP1 ASSIGNING <PPMRSMOSUPP1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPMRSMOSUPP1>-MANDT = 1.
<PPMRSMOSUPP1>-PMRPSIMULATION = 1.
<PPMRSMOSUPP1>-PRODUCT = 1.
<PPMRSMOSUPP1>-PLANT = 1.
<PPMRSMOSUPP1>-MRPAREA = 1.

ENDLOOP.

LOOP AT IT_PPMRSMOSUPP1 INTO WA_PPMRSMOSUPP1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPMRSMOSUPP1-PMRPSOURCEOFSUPPLYINTERNALID, sy-vline,
  WA_PPMRSMOSUPP1-BUCKETINTERNALID, sy-vline,
  WA_PPMRSMOSUPP1-UNITOFMEASURE, sy-vline,
  WA_PPMRSMOSUPP1-PMRPRECEIPTBUCKETQUANTITY, sy-vline,
  WA_PPMRSMOSUPP1-PMRPCONSTRAINTQTYINBASEUNIT, sy-vline,
  WA_PPMRSMOSUPP1-PMRPCONSTRAINTDELTAQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPMRSMOSUPP1 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_PPMRSMOSUPP1 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_PPMRSMOSUPP1 INTO WA_PPMRSMOSUPP1.


*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 PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPMRSMOSUPP1-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMRSMOSUPP1-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPMRSMOSUPP1-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMRSMOSUPP1-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_PPMRSMOSUPP1_STR, 
MANDT TYPE STRING,
PMRPSIMULATION TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
MRPAREA TYPE STRING,
PMRPSOURCEOFSUPPLYINTERNALID TYPE STRING,
BUCKETINTERNALID TYPE STRING,
UNITOFMEASURE TYPE STRING,
PMRPRECEIPTBUCKETQUANTITY TYPE STRING,
PMRPCONSTRAINTQTYINBASEUNIT TYPE STRING,
PMRPCONSTRAINTDELTAQUANTITY TYPE STRING,
PMRPCONSTRAINTISVIOLATED TYPE STRING,
PMRPFLEXIBLECONSTRAINT TYPE STRING,
PMRPCONSTRAINTISDISREGARDED TYPE STRING,
PMRPCONSTRAINTTOLERANCEPERCENT TYPE STRING,
PARENTPMRPSOURCEOFSUPPLY TYPE STRING,
PMRPREFERENCEPLAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPMRSMOSUPP1_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_PPMRSMOSUPP1_STR-MANDT sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPSIMULATION sy-vline 
WA_PPMRSMOSUPP1_STR-PRODUCT sy-vline 
WA_PPMRSMOSUPP1_STR-PLANT sy-vline 
WA_PPMRSMOSUPP1_STR-MRPAREA sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPSOURCEOFSUPPLYINTERNALID sy-vline 
WA_PPMRSMOSUPP1_STR-BUCKETINTERNALID sy-vline 
WA_PPMRSMOSUPP1_STR-UNITOFMEASURE sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPRECEIPTBUCKETQUANTITY sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPCONSTRAINTQTYINBASEUNIT sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPCONSTRAINTDELTAQUANTITY sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPCONSTRAINTISVIOLATED sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPFLEXIBLECONSTRAINT sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPCONSTRAINTISDISREGARDED sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPCONSTRAINTTOLERANCEPERCENT sy-vline 
WA_PPMRSMOSUPP1_STR-PARENTPMRPSOURCEOFSUPPLY sy-vline 
WA_PPMRSMOSUPP1_STR-PMRPREFERENCEPLAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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