ABAP Select data from SAP table PPMRP_MAT_SUPPLIERS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPMRP_MAT_SUPPLIERS
*  INTO TABLE @DATA(IT_PPMRP_MAT_SUPPLIERS2).
*--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_PPMRP_MAT_SUPPLIERS INDEX 1 INTO DATA(WA_PPMRP_MAT_SUPPLIERS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPMRP_MAT_SUPPLIERS>-MATERIALID = 1.
<PPMRP_MAT_SUPPLIERS>-MRPPLANT = 1.
<PPMRP_MAT_SUPPLIERS>-DELIVERYDATE = 1.
<PPMRP_MAT_SUPPLIERS>-PREFERREDSUPPLIERID = 1.
<PPMRP_MAT_SUPPLIERS>-VENDORNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPMRP_MAT_SUPPLIERS-VENDORTYPEFLAG, sy-vline,
  WA_PPMRP_MAT_SUPPLIERS-PREFERVENFLAG, sy-vline,
  WA_PPMRP_MAT_SUPPLIERS-ALTVENDFETCHFLAG, sy-vline,
  WA_PPMRP_MAT_SUPPLIERS-CITY, sy-vline,
  WA_PPMRP_MAT_SUPPLIERS-POST_CODE, sy-vline,
  WA_PPMRP_MAT_SUPPLIERS-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPMRP_MAT_SUPPLIERS 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_PPMRP_MAT_SUPPLIERS 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_PPMRP_MAT_SUPPLIERS INTO WA_PPMRP_MAT_SUPPLIERS.


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

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

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

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

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

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

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

*Conversion exit SXIDN, internal->external for field SMTP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_PPMRP_MAT_SUPPLIERS-SMTP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMRP_MAT_SUPPLIERS-SMTP_ADDR.
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_PPMRP_MAT_SUPPLIERS_STR, 
MATERIALID TYPE STRING,
MRPPLANT TYPE STRING,
DELIVERYDATE TYPE STRING,
PREFERREDSUPPLIERID TYPE STRING,
VENDORNAME TYPE STRING,
VENDORTYPEFLAG TYPE STRING,
PREFERVENFLAG TYPE STRING,
ALTVENDFETCHFLAG TYPE STRING,
CITY TYPE STRING,
POST_CODE TYPE STRING,
COUNTRY TYPE STRING,
DELIVERYTIME TYPE STRING,
ORDERDATE TYPE STRING,
ORDERDAY TYPE STRING,
MIN_ORD_QTY TYPE STRING,
MAX_ORD_QTY TYPE STRING,
ORD_QTY_UNIT TYPE STRING,
ORDQTYUNITPRECISION TYPE STRING,
ROUNDING_PROFILE TYPE STRING,
NET_PRICE TYPE STRING,
CURRENCYKEY TYPE STRING,
CURRENCYKEYPRECISION TYPE STRING,
PRICEUNIT TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
CURRENT_QUOTA TYPE STRING,
TARGET_QUOTA TYPE STRING,
GAP_QUOTA_SORT TYPE STRING,
CONTRACT_ALLOC_QTY TYPE STRING,
CONTRACT_REM_QTY TYPE STRING,
CONTRACT_MAX_QTY TYPE STRING,
CONTRACT_UNIT TYPE STRING,
CONTRACTUNITPRECISION TYPE STRING,
CONTRACT_VALID_DATE TYPE STRING,
PRIORITY TYPE STRING,
CONV_PURCHASEQTY TYPE STRING,
CONV_PURCHASEUOM TYPE STRING,
CONV_BASEQTY TYPE STRING,
CONV_BASEUOM TYPE STRING,
TEL_NUMBER TYPE STRING,
SMTP_ADDR TYPE STRING,
CONTACT_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPMRP_MAT_SUPPLIERS_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_PPMRP_MAT_SUPPLIERS_STR-MATERIALID sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-MRPPLANT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-DELIVERYDATE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-PREFERREDSUPPLIERID sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-VENDORNAME sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-VENDORTYPEFLAG sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-PREFERVENFLAG sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ALTVENDFETCHFLAG sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CITY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-POST_CODE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-COUNTRY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-DELIVERYTIME sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ORDERDATE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ORDERDAY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-MIN_ORD_QTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-MAX_ORD_QTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ORD_QTY_UNIT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ORDQTYUNITPRECISION sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ROUNDING_PROFILE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-NET_PRICE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CURRENCYKEY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CURRENCYKEYPRECISION sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-PRICEUNIT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-ORDERPRICEUNIT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CURRENT_QUOTA sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-TARGET_QUOTA sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-GAP_QUOTA_SORT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACT_ALLOC_QTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACT_REM_QTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACT_MAX_QTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACT_UNIT sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACTUNITPRECISION sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTRACT_VALID_DATE sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-PRIORITY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONV_PURCHASEQTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONV_PURCHASEUOM sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONV_BASEQTY sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONV_BASEUOM sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-TEL_NUMBER sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-SMTP_ADDR sy-vline 
WA_PPMRP_MAT_SUPPLIERS_STR-CONTACT_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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