ABAP Select data from SAP table PMMCPOIMONI1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PMMCPOIMONI1 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 PMMCPOIMONI1. 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 PMMCPOIMONI1 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_PMMCPOIMONI1 TYPE STANDARD TABLE OF PMMCPOIMONI1,
      WA_PMMCPOIMONI1 TYPE PMMCPOIMONI1,
      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: <PMMCPOIMONI1> TYPE PMMCPOIMONI1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PMMCPOIMONI1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PMMCPOIMONI1
  INTO TABLE IT_PMMCPOIMONI1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMCPOIMONI1
*  INTO TABLE @DATA(IT_PMMCPOIMONI12).
*--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_PMMCPOIMONI1 INDEX 1 INTO DATA(WA_PMMCPOIMONI12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PMMCPOIMONI1 ASSIGNING <PMMCPOIMONI1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMCPOIMONI1>-MANDT = 1.
<PMMCPOIMONI1>-PURCHASEORDER = 1.
<PMMCPOIMONI1>-PURCHASEORDERITEM = 1.
<PMMCPOIMONI1>-EXTSOURCESYSTEM = 1.
<PMMCPOIMONI1>-PURCHASEORDERITEMTEXT = 1.

ENDLOOP.

LOOP AT IT_PMMCPOIMONI1 INTO WA_PMMCPOIMONI1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMCPOIMONI1-SUPPLIER, sy-vline,
  WA_PMMCPOIMONI1-SUPPLYINGPLANT, sy-vline,
  WA_PMMCPOIMONI1-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMCPOIMONI1-PURCHASINGGROUP, sy-vline,
  WA_PMMCPOIMONI1-PURCHASEORDERDATE, sy-vline,
  WA_PMMCPOIMONI1-CREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMCPOIMONI1 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_PMMCPOIMONI1 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_PMMCPOIMONI1 INTO WA_PMMCPOIMONI1.


*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_PMMCPOIMONI1-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICEPERFORMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-SERVICEPERFORMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-SERVICEPERFORMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEREQUISITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-PURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-PURCHASEREQUISITION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-PURCHASEORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMCPOIMONI1-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMCPOIMONI1-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_PMMCPOIMONI1_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
EXTSOURCESYSTEM TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
COMPANYCODE TYPE STRING,
STORAGELOCATION TYPE STRING,
ISRETURNSITEM TYPE STRING,
SERVICEPERFORMER TYPE STRING,
PRODUCTTYPE TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
NUMBEROFPURCHASEORDERITEMS TYPE STRING,
RETURNITEMS TYPE STRING,
ISGRIROPENITEM TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
SCHEDULELINEOPENPURCHORDERQTY TYPE STRING,
GROPENPURCHASEORDERQUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
ORDERQUANTITY TYPE STRING,
GOODSRECEIPTQUANTITY TYPE STRING,
STILLTOBEDELIVEREDQUANTITY TYPE STRING,
INVOICERECEIPTQTY TYPE STRING,
INVOICERECEIPTAMOUNT TYPE STRING,
STILLTOINVOICEQUANTITY TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
NUMBEROFOPENITEMS TYPE STRING,
SCHEDULELINE TYPE STRING,
SCHEDULELINEORDERQUANTITY TYPE STRING,
ROUGHGOODSRECEIPTQTY TYPE STRING,
SCHEDULELINEOPENQTY TYPE STRING,
DURATIONTONEXTSTATUSINDAYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMCPOIMONI1_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_PMMCPOIMONI1_STR-MANDT sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDER sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERITEM sy-vline 
WA_PMMCPOIMONI1_STR-EXTSOURCESYSTEM sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_PMMCPOIMONI1_STR-SUPPLIER sy-vline 
WA_PMMCPOIMONI1_STR-SUPPLYINGPLANT sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASINGGROUP sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERDATE sy-vline 
WA_PMMCPOIMONI1_STR-CREATEDBYUSER sy-vline 
WA_PMMCPOIMONI1_STR-CREATIONDATE sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PMMCPOIMONI1_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PMMCPOIMONI1_STR-MATERIALGROUP sy-vline 
WA_PMMCPOIMONI1_STR-MATERIAL sy-vline 
WA_PMMCPOIMONI1_STR-PLANT sy-vline 
WA_PMMCPOIMONI1_STR-COMPANYCODE sy-vline 
WA_PMMCPOIMONI1_STR-STORAGELOCATION sy-vline 
WA_PMMCPOIMONI1_STR-ISRETURNSITEM sy-vline 
WA_PMMCPOIMONI1_STR-SERVICEPERFORMER sy-vline 
WA_PMMCPOIMONI1_STR-PRODUCTTYPE sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEREQUISITION sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PMMCPOIMONI1_STR-DOCUMENTCURRENCY sy-vline 
WA_PMMCPOIMONI1_STR-NUMBEROFPURCHASEORDERITEMS sy-vline 
WA_PMMCPOIMONI1_STR-RETURNITEMS sy-vline 
WA_PMMCPOIMONI1_STR-ISGRIROPENITEM sy-vline 
WA_PMMCPOIMONI1_STR-INVOICEISEXPECTED sy-vline 
WA_PMMCPOIMONI1_STR-ISFINALLYINVOICED sy-vline 
WA_PMMCPOIMONI1_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_PMMCPOIMONI1_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_PMMCPOIMONI1_STR-SCHEDULELINEOPENPURCHORDERQTY sy-vline 
WA_PMMCPOIMONI1_STR-GROPENPURCHASEORDERQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMCPOIMONI1_STR-DISPLAYCURRENCY sy-vline 
WA_PMMCPOIMONI1_STR-NETPRICEAMOUNT sy-vline 
WA_PMMCPOIMONI1_STR-ORDERQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-GOODSRECEIPTQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-STILLTOBEDELIVEREDQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-INVOICERECEIPTQTY sy-vline 
WA_PMMCPOIMONI1_STR-INVOICERECEIPTAMOUNT sy-vline 
WA_PMMCPOIMONI1_STR-STILLTOINVOICEQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-NETPRICEQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-ORDERPRICEUNIT sy-vline 
WA_PMMCPOIMONI1_STR-NUMBEROFOPENITEMS sy-vline 
WA_PMMCPOIMONI1_STR-SCHEDULELINE sy-vline 
WA_PMMCPOIMONI1_STR-SCHEDULELINEORDERQUANTITY sy-vline 
WA_PMMCPOIMONI1_STR-ROUGHGOODSRECEIPTQTY sy-vline 
WA_PMMCPOIMONI1_STR-SCHEDULELINEOPENQTY sy-vline 
WA_PMMCPOIMONI1_STR-DURATIONTONEXTSTATUSINDAYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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