ABAP Select data from SAP table PMMPOIACCASGMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMPOIACCASGMT
*  INTO TABLE @DATA(IT_PMMPOIACCASGMT2).
*--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_PMMPOIACCASGMT INDEX 1 INTO DATA(WA_PMMPOIACCASGMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMPOIACCASGMT>-MANDT = 1.
<PMMPOIACCASGMT>-PURCHASEORDER = 1.
<PMMPOIACCASGMT>-PURCHASEORDERITEM = 1.
<PMMPOIACCASGMT>-ACCOUNTASSIGNMENTNUMBER = 1.
<PMMPOIACCASGMT>-PURGDOCMIGRTNISCMPLTDFORANLYTS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMPOIACCASGMT-PURCHASEREQUISITION, sy-vline,
  WA_PMMPOIACCASGMT-PURCHASEREQUISITIONITEM, sy-vline,
  WA_PMMPOIACCASGMT-SUPPLIER, sy-vline,
  WA_PMMPOIACCASGMT-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMPOIACCASGMT-PURCHASINGGROUP, sy-vline,
  WA_PMMPOIACCASGMT-COMPANYCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMPOIACCASGMT 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_PMMPOIACCASGMT 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_PMMPOIACCASGMT INTO WA_PMMPOIACCASGMT.


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

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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PMMPOIACCASGMT-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOIACCASGMT-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMPOIACCASGMT-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOIACCASGMT-PURCHASEORDERQUANTITYUNIT.
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_PMMPOIACCASGMT_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
PURGDOCMIGRTNISCMPLTDFORANLYTS TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CURRENCY TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PURCHASEORDERCATEGORY TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PRODUCTTYPE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
COSTCENTER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
CONTROLLINGAREA TYPE STRING,
GLACCOUNT TYPE STRING,
PROFITCENTER TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERQTY TYPE STRING,
PURORDNETAMOUNTINDISPLAYCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMPOIACCASGMT_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_PMMPOIACCASGMT_STR-MANDT sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDER sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERITEM sy-vline 
WA_PMMPOIACCASGMT_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_PMMPOIACCASGMT_STR-PURGDOCMIGRTNISCMPLTDFORANLYTS sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEREQUISITION sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PMMPOIACCASGMT_STR-SUPPLIER sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASINGGROUP sy-vline 
WA_PMMPOIACCASGMT_STR-COMPANYCODE sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMPOIACCASGMT_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERDATE sy-vline 
WA_PMMPOIACCASGMT_STR-CREATEDBYUSER sy-vline 
WA_PMMPOIACCASGMT_STR-CURRENCY sy-vline 
WA_PMMPOIACCASGMT_STR-MATERIALGROUP sy-vline 
WA_PMMPOIACCASGMT_STR-MATERIAL sy-vline 
WA_PMMPOIACCASGMT_STR-PLANT sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERCATEGORY sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASECONTRACT sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASECONTRACTITEM sy-vline 
WA_PMMPOIACCASGMT_STR-PRODUCTTYPE sy-vline 
WA_PMMPOIACCASGMT_STR-SERVICEPERFORMER sy-vline 
WA_PMMPOIACCASGMT_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_PMMPOIACCASGMT_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PMMPOIACCASGMT_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_PMMPOIACCASGMT_STR-COSTCENTER sy-vline 
WA_PMMPOIACCASGMT_STR-WBSELEMENTINTERNALID sy-vline 
WA_PMMPOIACCASGMT_STR-CONTROLLINGAREA sy-vline 
WA_PMMPOIACCASGMT_STR-GLACCOUNT sy-vline 
WA_PMMPOIACCASGMT_STR-PROFITCENTER sy-vline 
WA_PMMPOIACCASGMT_STR-DISPLAYCURRENCY sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMPOIACCASGMT_STR-PURCHASEORDERQTY sy-vline 
WA_PMMPOIACCASGMT_STR-PURORDNETAMOUNTINDISPLAYCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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