ABAP Select data from SAP table PRUCTINVAMT1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUCTINVAMT1 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 PRUCTINVAMT1. 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 PRUCTINVAMT1 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_PRUCTINVAMT1 TYPE STANDARD TABLE OF PRUCTINVAMT1,
      WA_PRUCTINVAMT1 TYPE PRUCTINVAMT1,
      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: <PRUCTINVAMT1> TYPE PRUCTINVAMT1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUCTINVAMT1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUCTINVAMT1
  INTO TABLE IT_PRUCTINVAMT1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUCTINVAMT1
*  INTO TABLE @DATA(IT_PRUCTINVAMT12).
*--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_PRUCTINVAMT1 INDEX 1 INTO DATA(WA_PRUCTINVAMT12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUCTINVAMT1 ASSIGNING <PRUCTINVAMT1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUCTINVAMT1>-MANDT = 1.
<PRUCTINVAMT1>-INTERNALTABLEKEYFIELD = 1.
<PRUCTINVAMT1>-COMPANYCODE = 1.
<PRUCTINVAMT1>-INVOICE = 1.
<PRUCTINVAMT1>-INVOICEYEAR = 1.

ENDLOOP.

LOOP AT IT_PRUCTINVAMT1 INTO WA_PRUCTINVAMT1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUCTINVAMT1-CORRECTIONINVOICE, sy-vline,
  WA_PRUCTINVAMT1-CORRECTIONINVOICEYEAR, sy-vline,
  WA_PRUCTINVAMT1-REVISIONNUMBER, sy-vline,
  WA_PRUCTINVAMT1-REVISIONINVOICE, sy-vline,
  WA_PRUCTINVAMT1-REVISIONINVOICEYEAR, sy-vline,
  WA_PRUCTINVAMT1-ORIGINALINVOICEREVISIONNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUCTINVAMT1 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_PRUCTINVAMT1 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_PRUCTINVAMT1 INTO WA_PRUCTINVAMT1.


*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 INVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-INVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-INVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-INVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-INVOICEYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORRECTIONINVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-CORRECTIONINVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-CORRECTIONINVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CORRECTIONINVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-CORRECTIONINVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-CORRECTIONINVOICEYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVISIONINVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-REVISIONINVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-REVISIONINVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REVISIONINVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-REVISIONINVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-REVISIONINVOICEYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICE_VS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-INVOICE_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-INVOICE_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INVOICEYEAR_VS
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-INVOICEYEAR_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-INVOICEYEAR_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORRECTIONINVOICE_VS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-CORRECTIONINVOICE_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-CORRECTIONINVOICE_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CORRECTIONINVOICEYEAR_VS
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-CORRECTIONINVOICEYEAR_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-CORRECTIONINVOICEYEAR_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVISIONINVOICE_VS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-REVISIONINVOICE_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-REVISIONINVOICE_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REVISIONINVOICEYEAR_VS
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-REVISIONINVOICEYEAR_VS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-REVISIONINVOICEYEAR_VS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field COMMSNTRADEINVOICELINKEDAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-COMMSNTRADEINVOICELINKEDAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-COMMSNTRADEINVOICELINKEDAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field COMMSNTRADEINVCLINKEDVATAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_PRUCTINVAMT1-COMMSNTRADEINVCLINKEDVATAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCTINVAMT1-COMMSNTRADEINVCLINKEDVATAMOUNT.
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_PRUCTINVAMT1_STR, 
MANDT TYPE STRING,
INTERNALTABLEKEYFIELD TYPE STRING,
COMPANYCODE TYPE STRING,
INVOICE TYPE STRING,
INVOICEYEAR TYPE STRING,
CORRECTIONINVOICE TYPE STRING,
CORRECTIONINVOICEYEAR TYPE STRING,
REVISIONNUMBER TYPE STRING,
REVISIONINVOICE TYPE STRING,
REVISIONINVOICEYEAR TYPE STRING,
ORIGINALINVOICEREVISIONNUMBER TYPE STRING,
COMPANYCODE_VS TYPE STRING,
INVOICE_VS TYPE STRING,
INVOICEYEAR_VS TYPE STRING,
CORRECTIONINVOICE_VS TYPE STRING,
CORRECTIONINVOICEYEAR_VS TYPE STRING,
REVISIONNUMBER_VS TYPE STRING,
REVISIONINVOICE_VS TYPE STRING,
REVISIONINVOICEYEAR_VS TYPE STRING,
ORIGINALINVOICEREVISIONNMBR_VS TYPE STRING,
COMMSNTRADEINVOICELINKEDAMOUNT TYPE STRING,
COMMSNTRADEINVCLINKEDVATAMOUNT TYPE STRING,
COMMSNTRADEINVOICELINKINGCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUCTINVAMT1_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_PRUCTINVAMT1_STR-MANDT sy-vline 
WA_PRUCTINVAMT1_STR-INTERNALTABLEKEYFIELD sy-vline 
WA_PRUCTINVAMT1_STR-COMPANYCODE sy-vline 
WA_PRUCTINVAMT1_STR-INVOICE sy-vline 
WA_PRUCTINVAMT1_STR-INVOICEYEAR sy-vline 
WA_PRUCTINVAMT1_STR-CORRECTIONINVOICE sy-vline 
WA_PRUCTINVAMT1_STR-CORRECTIONINVOICEYEAR sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONNUMBER sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONINVOICE sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONINVOICEYEAR sy-vline 
WA_PRUCTINVAMT1_STR-ORIGINALINVOICEREVISIONNUMBER sy-vline 
WA_PRUCTINVAMT1_STR-COMPANYCODE_VS sy-vline 
WA_PRUCTINVAMT1_STR-INVOICE_VS sy-vline 
WA_PRUCTINVAMT1_STR-INVOICEYEAR_VS sy-vline 
WA_PRUCTINVAMT1_STR-CORRECTIONINVOICE_VS sy-vline 
WA_PRUCTINVAMT1_STR-CORRECTIONINVOICEYEAR_VS sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONNUMBER_VS sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONINVOICE_VS sy-vline 
WA_PRUCTINVAMT1_STR-REVISIONINVOICEYEAR_VS sy-vline 
WA_PRUCTINVAMT1_STR-ORIGINALINVOICEREVISIONNMBR_VS sy-vline 
WA_PRUCTINVAMT1_STR-COMMSNTRADEINVOICELINKEDAMOUNT sy-vline 
WA_PRUCTINVAMT1_STR-COMMSNTRADEINVCLINKEDVATAMOUNT sy-vline 
WA_PRUCTINVAMT1_STR-COMMSNTRADEINVOICELINKINGCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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