ABAP Select data from SAP table PSLLMINMAXPOITMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLLMINMAXPOITMS
*  INTO TABLE @DATA(IT_PSLLMINMAXPOITMS2).
*--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_PSLLMINMAXPOITMS INDEX 1 INTO DATA(WA_PSLLMINMAXPOITMS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSLLMINMAXPOITMS-MATERIALDOCUMENTYEAR, sy-vline,
  WA_PSLLMINMAXPOITMS-MATERIALDOCUMENT, sy-vline,
  WA_PSLLMINMAXPOITMS-MATERIALDOCUMENTITEM, sy-vline,
  WA_PSLLMINMAXPOITMS-DEBITCREDITCODE, sy-vline,
  WA_PSLLMINMAXPOITMS-MATERIAL, sy-vline,
  WA_PSLLMINMAXPOITMS-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSLLMINMAXPOITMS 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_PSLLMINMAXPOITMS 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_PSLLMINMAXPOITMS INTO WA_PSLLMINMAXPOITMS.


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

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSLLMINMAXPOITMS-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLLMINMAXPOITMS-MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field ORDERUNITOFMEASSURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSLLMINMAXPOITMS-ORDERUNITOFMEASSURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLLMINMAXPOITMS-ORDERUNITOFMEASSURE.
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_PSLLMINMAXPOITMS_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
PURCHASEORDERTRANSACTIONTYPE TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
DEBITCREDITCODE TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PURCHASEORDERAMOUNT TYPE STRING,
PURORDAMOUNTINCOMPANYCODECRCY TYPE STRING,
INVOICEAMTINCOCODECRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
ORDERCURRENCY TYPE STRING,
QUANTITY TYPE STRING,
QUANTITYINBASEUNIT TYPE STRING,
PRICEUNIT TYPE STRING,
BASEUNITOFMEASSURE TYPE STRING,
ORDERUNITOFMEASSURE TYPE STRING,
CONVNUMERATORTOBASEUNIT TYPE STRING,
CONVDENOMINATORTOBASEUNIT TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSLLMINMAXPOITMS_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_PSLLMINMAXPOITMS_STR-MANDT sy-vline 
WA_PSLLMINMAXPOITMS_STR-PURCHASEORDER sy-vline 
WA_PSLLMINMAXPOITMS_STR-PURCHASEORDERITEM sy-vline 
WA_PSLLMINMAXPOITMS_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_PSLLMINMAXPOITMS_STR-PURCHASEORDERTRANSACTIONTYPE sy-vline 
WA_PSLLMINMAXPOITMS_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_PSLLMINMAXPOITMS_STR-MATERIALDOCUMENT sy-vline 
WA_PSLLMINMAXPOITMS_STR-MATERIALDOCUMENTITEM sy-vline 
WA_PSLLMINMAXPOITMS_STR-DEBITCREDITCODE sy-vline 
WA_PSLLMINMAXPOITMS_STR-MATERIAL sy-vline 
WA_PSLLMINMAXPOITMS_STR-PLANT sy-vline 
WA_PSLLMINMAXPOITMS_STR-PURCHASEORDERAMOUNT sy-vline 
WA_PSLLMINMAXPOITMS_STR-PURORDAMOUNTINCOMPANYCODECRCY sy-vline 
WA_PSLLMINMAXPOITMS_STR-INVOICEAMTINCOCODECRCY sy-vline 
WA_PSLLMINMAXPOITMS_STR-COMPANYCODECURRENCY sy-vline 
WA_PSLLMINMAXPOITMS_STR-ORDERCURRENCY sy-vline 
WA_PSLLMINMAXPOITMS_STR-QUANTITY sy-vline 
WA_PSLLMINMAXPOITMS_STR-QUANTITYINBASEUNIT sy-vline 
WA_PSLLMINMAXPOITMS_STR-PRICEUNIT sy-vline 
WA_PSLLMINMAXPOITMS_STR-BASEUNITOFMEASSURE sy-vline 
WA_PSLLMINMAXPOITMS_STR-ORDERUNITOFMEASSURE sy-vline 
WA_PSLLMINMAXPOITMS_STR-CONVNUMERATORTOBASEUNIT sy-vline 
WA_PSLLMINMAXPOITMS_STR-CONVDENOMINATORTOBASEUNIT sy-vline 
WA_PSLLMINMAXPOITMS_STR-GOODSMOVEMENTTYPE sy-vline 
WA_PSLLMINMAXPOITMS_STR-POSTINGDATE sy-vline 
WA_PSLLMINMAXPOITMS_STR-DOCUMENTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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