ABAP Select data from SAP table PMMPOIDPMNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMPOIDPMNTR
*  INTO TABLE @DATA(IT_PMMPOIDPMNTR2).
*--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_PMMPOIDPMNTR INDEX 1 INTO DATA(WA_PMMPOIDPMNTR2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMPOIDPMNTR-SUPPLIERNAME, sy-vline,
  WA_PMMPOIDPMNTR-MATERIALGROUP, sy-vline,
  WA_PMMPOIDPMNTR-MATERIALGROUPNAME, sy-vline,
  WA_PMMPOIDPMNTR-MATERIAL, sy-vline,
  WA_PMMPOIDPMNTR-MATERIALNAME, sy-vline,
  WA_PMMPOIDPMNTR-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMPOIDPMNTR 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_PMMPOIDPMNTR 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_PMMPOIDPMNTR INTO WA_PMMPOIDPMNTR.


*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_PMMPOIDPMNTR-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOIDPMNTR-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMPOIDPMNTR-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOIDPMNTR-ORDERPRICEUNIT.
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_PMMPOIDPMNTR_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
FORMATTEDPURCHASEORDERITEM TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASEORDERTYPENAME TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PURGDOCEXTERNALITEMCATEGORY TYPE STRING,
PURORDITEMCATEGORYNAME TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
DOWNPAYMENTTYPE TYPE STRING,
DOWNPAYMENTDUEDATE TYPE STRING,
DOWNPAYMENTPERCENTAGEOFTOTAMT TYPE STRING,
DOWNPAYMENTAMOUNT TYPE STRING,
DOWNPAYMENTSREQUEST TYPE STRING,
DOWNPAYMENTS TYPE STRING,
PLANNEDDELIVERYDURATION TYPE STRING,
DELIVERYINFOTEXT1 TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
GOODSRECEIPTQTY TYPE STRING,
GOODSRECEIPTAMOUNTINCOCODECRCY TYPE STRING,
INVOICERECEIPTQTY TYPE STRING,
INVOICERECEIPTAMOUNT TYPE STRING,
STILLTOBEDELIVEREDQUANTITY TYPE STRING,
STILLTOBEDELIVEREDVALUE TYPE STRING,
STILLTOINVOICEQUANTITY TYPE STRING,
STILLTOINVOICEVALUE TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMPOIDPMNTR_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_PMMPOIDPMNTR_STR-MANDT sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDER sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERITEM sy-vline 
WA_PMMPOIDPMNTR_STR-FORMATTEDPURCHASEORDERITEM sy-vline 
WA_PMMPOIDPMNTR_STR-SUPPLIER sy-vline 
WA_PMMPOIDPMNTR_STR-SUPPLIERNAME sy-vline 
WA_PMMPOIDPMNTR_STR-MATERIALGROUP sy-vline 
WA_PMMPOIDPMNTR_STR-MATERIALGROUPNAME sy-vline 
WA_PMMPOIDPMNTR_STR-MATERIAL sy-vline 
WA_PMMPOIDPMNTR_STR-MATERIALNAME sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASINGGROUP sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASINGGROUPNAME sy-vline 
WA_PMMPOIDPMNTR_STR-PLANT sy-vline 
WA_PMMPOIDPMNTR_STR-PLANTNAME sy-vline 
WA_PMMPOIDPMNTR_STR-COMPANYCODE sy-vline 
WA_PMMPOIDPMNTR_STR-COMPANYCODENAME sy-vline 
WA_PMMPOIDPMNTR_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERDATE sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERTYPENAME sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PMMPOIDPMNTR_STR-PURGDOCEXTERNALITEMCATEGORY sy-vline 
WA_PMMPOIDPMNTR_STR-PURORDITEMCATEGORYNAME sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASINGINFORECORD sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEREQUISITION sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTTYPE sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTDUEDATE sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTPERCENTAGEOFTOTAMT sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTAMOUNT sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTSREQUEST sy-vline 
WA_PMMPOIDPMNTR_STR-DOWNPAYMENTS sy-vline 
WA_PMMPOIDPMNTR_STR-PLANNEDDELIVERYDURATION sy-vline 
WA_PMMPOIDPMNTR_STR-DELIVERYINFOTEXT1 sy-vline 
WA_PMMPOIDPMNTR_STR-ORDERQUANTITY sy-vline 
WA_PMMPOIDPMNTR_STR-NETPRICEAMOUNT sy-vline 
WA_PMMPOIDPMNTR_STR-NETPRICEQUANTITY sy-vline 
WA_PMMPOIDPMNTR_STR-NETAMOUNT sy-vline 
WA_PMMPOIDPMNTR_STR-GOODSRECEIPTQTY sy-vline 
WA_PMMPOIDPMNTR_STR-GOODSRECEIPTAMOUNTINCOCODECRCY sy-vline 
WA_PMMPOIDPMNTR_STR-INVOICERECEIPTQTY sy-vline 
WA_PMMPOIDPMNTR_STR-INVOICERECEIPTAMOUNT sy-vline 
WA_PMMPOIDPMNTR_STR-STILLTOBEDELIVEREDQUANTITY sy-vline 
WA_PMMPOIDPMNTR_STR-STILLTOBEDELIVEREDVALUE sy-vline 
WA_PMMPOIDPMNTR_STR-STILLTOINVOICEQUANTITY sy-vline 
WA_PMMPOIDPMNTR_STR-STILLTOINVOICEVALUE sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMPOIDPMNTR_STR-DOCUMENTCURRENCY sy-vline 
WA_PMMPOIDPMNTR_STR-ORDERPRICEUNIT sy-vline 
WA_PMMPOIDPMNTR_STR-PURCHASEORDERITEMTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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