ABAP Select data from SAP table PSCITMINVDT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSCITMINVDT
*  INTO TABLE @DATA(IT_PSCITMINVDT2).
*--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_PSCITMINVDT INDEX 1 INTO DATA(WA_PSCITMINVDT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSCITMINVDT>-MANDT = 1.
<PSCITMINVDT>-SERVICECONTRACT = 1.
<PSCITMINVDT>-SERVICECONTRACTITEM = 1.
<PSCITMINVDT>-SERVICEOBJECTTYPE = 1.
<PSCITMINVDT>-BILLINGREQUESTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSCITMINVDT-BILLINGDOCUMENT, sy-vline,
  WA_PSCITMINVDT-BILLINGDOCUMENTITEM, sy-vline,
  WA_PSCITMINVDT-BILLINGDOCUMENTDATE, sy-vline,
  WA_PSCITMINVDT-OVERALLBILLINGSTATUS, sy-vline,
  WA_PSCITMINVDT-BILLINGDOCUMENTTYPE, sy-vline,
  WA_PSCITMINVDT-SERVICECONTRACTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSCITMINVDT 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_PSCITMINVDT 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_PSCITMINVDT INTO WA_PSCITMINVDT.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REFERENCESDDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSCITMINVDT-REFERENCESDDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSCITMINVDT-REFERENCESDDOCUMENT.
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_PSCITMINVDT_STR, 
MANDT TYPE STRING,
SERVICECONTRACT TYPE STRING,
SERVICECONTRACTITEM TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
BILLINGREQUESTITEM TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
OVERALLBILLINGSTATUS TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
SERVICECONTRACTTYPE TYPE STRING,
SERVICECONTRACTDESCRIPTION TYPE STRING,
SERVICECONTRACTITEMPRODUCT TYPE STRING,
SERVICECONTRACTITEMISCANCELED TYPE STRING,
SERVICECONTRITEMBILLINGSTATUS TYPE STRING,
SETTLEMENTSTARTDATE TYPE STRING,
SETTLEMENTENDDATE TYPE STRING,
BILLGREQITEMBILLINGDATE TYPE STRING,
SRVCCONTRITEMBILLGBLOCKREASON TYPE STRING,
BILLGREQITEMBILLINGSTATUS TYPE STRING,
BILLGREQITEMNETAMOUNT TYPE STRING,
BILLGDOCREQITEMNETAMOUNT TYPE STRING,
BILLINGDOCUMENTREQUEST TYPE STRING,
BILLINGDOCUMENTREQUESTITEM TYPE STRING,
BILLGDOCREQBILLGSTS TYPE STRING,
SERVICECONTRACTITEMSTARTDATE TYPE STRING,
SERVICECONTRACTITEMENDDATE TYPE STRING,
SERVICECONTRACTITEMSTATUS TYPE STRING,
SERVICECONTRACTITEMISACTIVE TYPE STRING,
SRVCCONTRITEMHASBILLINGBLOCK TYPE STRING,
SERVICECONTRACTITEMQUANTITY TYPE STRING,
SERVICECONTRITEMQUANTITYUNIT TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,
PROFITCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
RESPEMPLOYEEBUSINESSPARTNERID TYPE STRING,
REFBUSINESSSOLUTIONORDER TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SOLDTOPARTY TYPE STRING,
SERVICEDOCITEMCREATIONDATE TYPE STRING,
SERVICEDOCUMENTITEMDESCRIPTION TYPE STRING,
BILLINGDOCUMENTITEMTEXT TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
REFERENCESDDOCUMENTCATEGORY TYPE STRING,
REFERENCESDDOCUMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSCITMINVDT_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_PSCITMINVDT_STR-MANDT sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACT sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEM sy-vline 
WA_PSCITMINVDT_STR-SERVICEOBJECTTYPE sy-vline 
WA_PSCITMINVDT_STR-BILLINGREQUESTITEM sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENT sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTITEM sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTDATE sy-vline 
WA_PSCITMINVDT_STR-OVERALLBILLINGSTATUS sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTTYPE sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTDESCRIPTION sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMPRODUCT sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMISCANCELED sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRITEMBILLINGSTATUS sy-vline 
WA_PSCITMINVDT_STR-SETTLEMENTSTARTDATE sy-vline 
WA_PSCITMINVDT_STR-SETTLEMENTENDDATE sy-vline 
WA_PSCITMINVDT_STR-BILLGREQITEMBILLINGDATE sy-vline 
WA_PSCITMINVDT_STR-SRVCCONTRITEMBILLGBLOCKREASON sy-vline 
WA_PSCITMINVDT_STR-BILLGREQITEMBILLINGSTATUS sy-vline 
WA_PSCITMINVDT_STR-BILLGREQITEMNETAMOUNT sy-vline 
WA_PSCITMINVDT_STR-BILLGDOCREQITEMNETAMOUNT sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTREQUEST sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTREQUESTITEM sy-vline 
WA_PSCITMINVDT_STR-BILLGDOCREQBILLGSTS sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMSTARTDATE sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMENDDATE sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMSTATUS sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMISACTIVE sy-vline 
WA_PSCITMINVDT_STR-SRVCCONTRITEMHASBILLINGBLOCK sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRACTITEMQUANTITY sy-vline 
WA_PSCITMINVDT_STR-SERVICECONTRITEMQUANTITYUNIT sy-vline 
WA_PSCITMINVDT_STR-PURCHASEORDERBYCUSTOMER sy-vline 
WA_PSCITMINVDT_STR-PROFITCENTER sy-vline 
WA_PSCITMINVDT_STR-CONTROLLINGAREA sy-vline 
WA_PSCITMINVDT_STR-TRANSACTIONCURRENCY sy-vline 
WA_PSCITMINVDT_STR-RESPEMPLOYEEBUSINESSPARTNERID sy-vline 
WA_PSCITMINVDT_STR-REFBUSINESSSOLUTIONORDER sy-vline 
WA_PSCITMINVDT_STR-SALESORGANIZATION sy-vline 
WA_PSCITMINVDT_STR-SALESOFFICE sy-vline 
WA_PSCITMINVDT_STR-SALESGROUP sy-vline 
WA_PSCITMINVDT_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSCITMINVDT_STR-DIVISION sy-vline 
WA_PSCITMINVDT_STR-SOLDTOPARTY sy-vline 
WA_PSCITMINVDT_STR-SERVICEDOCITEMCREATIONDATE sy-vline 
WA_PSCITMINVDT_STR-SERVICEDOCUMENTITEMDESCRIPTION sy-vline 
WA_PSCITMINVDT_STR-BILLINGDOCUMENTITEMTEXT sy-vline 
WA_PSCITMINVDT_STR-SDDOCUMENTCATEGORY sy-vline 
WA_PSCITMINVDT_STR-REFERENCESDDOCUMENTCATEGORY sy-vline 
WA_PSCITMINVDT_STR-REFERENCESDDOCUMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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