ABAP Select data from SAP table MMPUR_S_SSP_PR_HISTORY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SSP_PR_HISTORY
*  INTO TABLE @DATA(IT_MMPUR_S_SSP_PR_HISTORY2).
*--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_MMPUR_S_SSP_PR_HISTORY INDEX 1 INTO DATA(WA_MMPUR_S_SSP_PR_HISTORY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SSP_PR_HISTORY>-PR_HISTORY_INVOICE = 1.
<MMPUR_S_SSP_PR_HISTORY>-SUPPLIERINVOICE = 1.
<MMPUR_S_SSP_PR_HISTORY>-FISCALYEAR = 1.
<MMPUR_S_SSP_PR_HISTORY>-SUPPLIERINVOICESTATUS = 1.
<MMPUR_S_SSP_PR_HISTORY>-POSTINGDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEORDER, sy-vline,
  WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEORDERITEM, sy-vline,
  WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEREQUISITION, sy-vline,
  WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEREQUISITIONITEM, sy-vline,
  WA_MMPUR_S_SSP_PR_HISTORY-PO_DETAILS, sy-vline,
  WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SSP_PR_HISTORY 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_MMPUR_S_SSP_PR_HISTORY 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_MMPUR_S_SSP_PR_HISTORY INTO WA_MMPUR_S_SSP_PR_HISTORY.


*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 SUPPLIERINVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR_HISTORY-SUPPLIERINVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_HISTORY-SUPPLIERINVOICE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PURCHASEREQUISITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_HISTORY-PURCHASEREQUISITION.
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_MMPUR_S_SSP_PR_HISTORY_STR, 
PR_HISTORY_INVOICE TYPE STRING,
SUPPLIERINVOICE TYPE STRING,
FISCALYEAR TYPE STRING,
SUPPLIERINVOICESTATUS TYPE STRING,
POSTINGDATE TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PO_DETAILS TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
STATUS TYPE STRING,
CREATIONDATE TYPE STRING,
CONNECTEDSYSTEMID TYPE STRING,
PR_HISTORY TYPE STRING,
PRECEDINGDOCUMENT TYPE STRING,
PRECEDINGDOCUMENTITEM TYPE STRING,
SUBSEQUENTDOCUMENT TYPE STRING,
SUBSEQUENTDOCUMENTITEM TYPE STRING,
PRECEDINGDOCUMENTCATEGORY TYPE STRING,
SUBSEQUENTDOCUMENTCATEGORY TYPE STRING,
FISCALYEAR TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
CONNECTEDSYSTEMID TYPE STRING,
PR_STATUS TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
STATUS TYPE STRING,
CREATIONDATE TYPE STRING,
CONNECTEDSYSTEMID TYPE STRING,
PR_GOODS_RECEIPT TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PR_PROCESS_FLOW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SSP_PR_HISTORY_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_MMPUR_S_SSP_PR_HISTORY_STR-PR_HISTORY_INVOICE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-SUPPLIERINVOICE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-FISCALYEAR sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-SUPPLIERINVOICESTATUS sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-POSTINGDATE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEORDER sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEORDERITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PO_DETAILS sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEORDER sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-STATUS sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CONNECTEDSYSTEMID sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PR_HISTORY sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PRECEDINGDOCUMENT sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PRECEDINGDOCUMENTITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-SUBSEQUENTDOCUMENT sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-SUBSEQUENTDOCUMENTITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PRECEDINGDOCUMENTCATEGORY sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-SUBSEQUENTDOCUMENTCATEGORY sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-FISCALYEAR sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CONNECTEDSYSTEMID sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PR_STATUS sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-STATUS sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CONNECTEDSYSTEMID sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PR_GOODS_RECEIPT sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-MATERIALDOCUMENT sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-MATERIALDOCUMENTITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_HISTORY_STR-PR_PROCESS_FLOW sy-vline      INTO ld_text SEPARATED BY SPACE.

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