ABAP Select data from SAP table /ORS/INVOICE_HDR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ORS/INVOICE_HDR 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 /ORS/INVOICE_HDR. 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 /ORS/INVOICE_HDR 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_/ORS/INVOICE_HDR TYPE STANDARD TABLE OF /ORS/INVOICE_HDR,
      WA_/ORS/INVOICE_HDR TYPE /ORS/INVOICE_HDR,
      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: </ORS/INVOICE_HDR> TYPE /ORS/INVOICE_HDR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ORS/INVOICE_HDR
  INTO TABLE IT_/ORS/INVOICE_HDR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ORS/INVOICE_HDR
*  INTO TABLE @DATA(IT_/ORS/INVOICE_HDR2).
*--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_/ORS/INVOICE_HDR INDEX 1 INTO DATA(WA_/ORS/INVOICE_HDR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ORS/INVOICE_HDR ASSIGNING </ORS/INVOICE_HDR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ORS/INVOICE_HDR>-INVOICE_TYPE = 1.
</ORS/INVOICE_HDR>-INVOICE_KEY = 1.
</ORS/INVOICE_HDR>-INV_DOC_NO = 1.
</ORS/INVOICE_HDR>-FISCAL_YEAR = 1.
</ORS/INVOICE_HDR>-FISCAL_PERIOD = 1.

ENDLOOP.

LOOP AT IT_/ORS/INVOICE_HDR INTO WA_/ORS/INVOICE_HDR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ORS/INVOICE_HDR-PO_NUMBER, sy-vline,
  WA_/ORS/INVOICE_HDR-COMPANY_CODE, sy-vline,
  WA_/ORS/INVOICE_HDR-SAP_ARCHIVE_SYS, sy-vline,
  WA_/ORS/INVOICE_HDR-IMAGE_ID, sy-vline,
  WA_/ORS/INVOICE_HDR-DOC_TYPE, sy-vline,
  WA_/ORS/INVOICE_HDR-DOC_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ORS/INVOICE_HDR 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_/ORS/INVOICE_HDR 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_/ORS/INVOICE_HDR INTO WA_/ORS/INVOICE_HDR.


*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 INV_DOC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ORS/INVOICE_HDR-INV_DOC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ORS/INVOICE_HDR-INV_DOC_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field INV_VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ORS/INVOICE_HDR-INV_VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ORS/INVOICE_HDR-INV_VENDOR.
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_/ORS/INVOICE_HDR_STR, 
INVOICE_TYPE TYPE STRING,
INVOICE_KEY TYPE STRING,
INV_DOC_NO TYPE STRING,
FISCAL_YEAR TYPE STRING,
FISCAL_PERIOD TYPE STRING,
PO_NUMBER TYPE STRING,
COMPANY_CODE TYPE STRING,
SAP_ARCHIVE_SYS TYPE STRING,
IMAGE_ID TYPE STRING,
DOC_TYPE TYPE STRING,
DOC_DATE TYPE STRING,
PSTNG_DATE TYPE STRING,
REF_DOC_NO TYPE STRING,
CURRENCY TYPE STRING,
GROSS_AMT TYPE STRING,
INVOICE_AMT TYPE STRING,
PMNTTRMS TYPE STRING,
BLNE_DATE TYPE STRING,
DUE_DATE TYPE STRING,
DSCT_DAYS1 TYPE STRING,
DSCT_DAYS2 TYPE STRING,
NETTERMS TYPE STRING,
DSCT_PCT1 TYPE STRING,
DSCT_PCT2 TYPE STRING,
HEADER_TXT TYPE STRING,
PMNT_BLOCK TYPE STRING,
DISCNT TYPE STRING,
VENDOR TYPE STRING,
VENDOR_NAME TYPE STRING,
TAX_CODE TYPE STRING,
TAXJURCODE TYPE STRING,
PMNTTERMTEXT TYPE STRING,
VENDOR_TEXT TYPE STRING,
SPECIAL_HANDLING TYPE STRING,
INV_REQUESTER TYPE STRING,
RECEIPT_DATE TYPE STRING,
IMAGE_REMARK TYPE STRING,
EXPENSE_TYPE TYPE STRING,
CUSTFIELD1 TYPE STRING,
CUSTFIELD2 TYPE STRING,
CUSTFIELD3 TYPE STRING,
TAX_AMOUNT TYPE STRING,
NET_AMOUNT TYPE STRING,
CUSTOM_FIELD4 TYPE STRING,
CUSTOM_FIELD5 TYPE STRING,
INV_VENDOR TYPE STRING,
INV_VENDOR_NAME TYPE STRING,
UNPL_DEL_COSTS TYPE STRING,
UNPL_DEL_AMT TYPE STRING,
CUSTOM_FIELD6 TYPE STRING,
CUSTOM_FIELD7 TYPE STRING,
CUSTOM_FIELD8 TYPE STRING,
CUSTOM_FIELD9 TYPE STRING,
CUSTOM_FIELD0 TYPE STRING,
CREDIT_MEMO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ORS/INVOICE_HDR_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_/ORS/INVOICE_HDR_STR-INVOICE_TYPE sy-vline 
WA_/ORS/INVOICE_HDR_STR-INVOICE_KEY sy-vline 
WA_/ORS/INVOICE_HDR_STR-INV_DOC_NO sy-vline 
WA_/ORS/INVOICE_HDR_STR-FISCAL_YEAR sy-vline 
WA_/ORS/INVOICE_HDR_STR-FISCAL_PERIOD sy-vline 
WA_/ORS/INVOICE_HDR_STR-PO_NUMBER sy-vline 
WA_/ORS/INVOICE_HDR_STR-COMPANY_CODE sy-vline 
WA_/ORS/INVOICE_HDR_STR-SAP_ARCHIVE_SYS sy-vline 
WA_/ORS/INVOICE_HDR_STR-IMAGE_ID sy-vline 
WA_/ORS/INVOICE_HDR_STR-DOC_TYPE sy-vline 
WA_/ORS/INVOICE_HDR_STR-DOC_DATE sy-vline 
WA_/ORS/INVOICE_HDR_STR-PSTNG_DATE sy-vline 
WA_/ORS/INVOICE_HDR_STR-REF_DOC_NO sy-vline 
WA_/ORS/INVOICE_HDR_STR-CURRENCY sy-vline 
WA_/ORS/INVOICE_HDR_STR-GROSS_AMT sy-vline 
WA_/ORS/INVOICE_HDR_STR-INVOICE_AMT sy-vline 
WA_/ORS/INVOICE_HDR_STR-PMNTTRMS sy-vline 
WA_/ORS/INVOICE_HDR_STR-BLNE_DATE sy-vline 
WA_/ORS/INVOICE_HDR_STR-DUE_DATE sy-vline 
WA_/ORS/INVOICE_HDR_STR-DSCT_DAYS1 sy-vline 
WA_/ORS/INVOICE_HDR_STR-DSCT_DAYS2 sy-vline 
WA_/ORS/INVOICE_HDR_STR-NETTERMS sy-vline 
WA_/ORS/INVOICE_HDR_STR-DSCT_PCT1 sy-vline 
WA_/ORS/INVOICE_HDR_STR-DSCT_PCT2 sy-vline 
WA_/ORS/INVOICE_HDR_STR-HEADER_TXT sy-vline 
WA_/ORS/INVOICE_HDR_STR-PMNT_BLOCK sy-vline 
WA_/ORS/INVOICE_HDR_STR-DISCNT sy-vline 
WA_/ORS/INVOICE_HDR_STR-VENDOR sy-vline 
WA_/ORS/INVOICE_HDR_STR-VENDOR_NAME sy-vline 
WA_/ORS/INVOICE_HDR_STR-TAX_CODE sy-vline 
WA_/ORS/INVOICE_HDR_STR-TAXJURCODE sy-vline 
WA_/ORS/INVOICE_HDR_STR-PMNTTERMTEXT sy-vline 
WA_/ORS/INVOICE_HDR_STR-VENDOR_TEXT sy-vline 
WA_/ORS/INVOICE_HDR_STR-SPECIAL_HANDLING sy-vline 
WA_/ORS/INVOICE_HDR_STR-INV_REQUESTER sy-vline 
WA_/ORS/INVOICE_HDR_STR-RECEIPT_DATE sy-vline 
WA_/ORS/INVOICE_HDR_STR-IMAGE_REMARK sy-vline 
WA_/ORS/INVOICE_HDR_STR-EXPENSE_TYPE sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTFIELD1 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTFIELD2 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTFIELD3 sy-vline 
WA_/ORS/INVOICE_HDR_STR-TAX_AMOUNT sy-vline 
WA_/ORS/INVOICE_HDR_STR-NET_AMOUNT sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD4 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD5 sy-vline 
WA_/ORS/INVOICE_HDR_STR-INV_VENDOR sy-vline 
WA_/ORS/INVOICE_HDR_STR-INV_VENDOR_NAME sy-vline 
WA_/ORS/INVOICE_HDR_STR-UNPL_DEL_COSTS sy-vline 
WA_/ORS/INVOICE_HDR_STR-UNPL_DEL_AMT sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD6 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD7 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD8 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD9 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CUSTOM_FIELD0 sy-vline 
WA_/ORS/INVOICE_HDR_STR-CREDIT_MEMO sy-vline      INTO ld_text SEPARATED BY SPACE.

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