ABAP Select data from SAP table PRUINVTOTAMOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUINVTOTAMOUNT
*  INTO TABLE @DATA(IT_PRUINVTOTAMOUNT2).
*--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_PRUINVTOTAMOUNT INDEX 1 INTO DATA(WA_PRUINVTOTAMOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUINVTOTAMOUNT>-MANDT = 1.
<PRUINVTOTAMOUNT>-COMPANYCODE = 1.
<PRUINVTOTAMOUNT>-ACCOUNTINGDOCUMENT = 1.
<PRUINVTOTAMOUNT>-FISCALYEAR = 1.
<PRUINVTOTAMOUNT>-AMOUNTINCOMPANYCODECURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINCOCODECRCY, sy-vline,
  WA_PRUINVTOTAMOUNT-TAXAMOUNTINCOCODECRCY, sy-vline,
  WA_PRUINVTOTAMOUNT-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINTRANSCRCY, sy-vline,
  WA_PRUINVTOTAMOUNT-TAXAMOUNT, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PRUINVTOTAMOUNT 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_PRUINVTOTAMOUNT 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_PRUINVTOTAMOUNT INTO WA_PRUINVTOTAMOUNT.


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

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

*Conversion exit AC152, internal->external for field TAXBASEAMOUNTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINCOCODECRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAXAMOUNTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_PRUINVTOTAMOUNT-TAXAMOUNTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUINVTOTAMOUNT-TAXAMOUNTINCOCODECRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAXBASEAMOUNTINTRANSCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINTRANSCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUINVTOTAMOUNT-TAXBASEAMOUNTINTRANSCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field TAXAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_PRUINVTOTAMOUNT-TAXAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUINVTOTAMOUNT-TAXAMOUNT.
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_PRUINVTOTAMOUNT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
TAXAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUINVTOTAMOUNT_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_PRUINVTOTAMOUNT_STR-MANDT sy-vline 
WA_PRUINVTOTAMOUNT_STR-COMPANYCODE sy-vline 
WA_PRUINVTOTAMOUNT_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PRUINVTOTAMOUNT_STR-FISCALYEAR sy-vline 
WA_PRUINVTOTAMOUNT_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PRUINVTOTAMOUNT_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PRUINVTOTAMOUNT_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_PRUINVTOTAMOUNT_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PRUINVTOTAMOUNT_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_PRUINVTOTAMOUNT_STR-TAXAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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