ABAP Select data from SAP table ISJP_S_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISJP_S_ITEM
*  INTO TABLE @DATA(IT_ISJP_S_ITEM2).
*--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_ISJP_S_ITEM INDEX 1 INTO DATA(WA_ISJP_S_ITEM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISJP_S_ITEM-ACCOUNTINGDOCUMENTITEM, sy-vline,
  WA_ISJP_S_ITEM-COMPANYCODENAME, sy-vline,
  WA_ISJP_S_ITEM-INVCSMMRYPAYERNAME, sy-vline,
  WA_ISJP_S_ITEM-INVCSMMRYRECIPIENTNAME, sy-vline,
  WA_ISJP_S_ITEM-CLEARINGDATE, sy-vline,
  WA_ISJP_S_ITEM-INVCSMMRYGROSSAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISJP_S_ITEM 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_ISJP_S_ITEM 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_ISJP_S_ITEM INTO WA_ISJP_S_ITEM.


*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_ISJP_S_ITEM-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit AU132, internal->external for field INVCSMMRYADDLNETAMOUNT1
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field INVCSMMRYADDLTAXAMOUNT1
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field INVCSMMRYADDLNETAMOUNT2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field INVCSMMRYADDLTAXAMOUNT2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field INVCSMMRYADDLNETAMOUNT3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLNETAMOUNT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field INVCSMMRYADDLTAXAMOUNT3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_ITEM-INVCSMMRYADDLTAXAMOUNT3.
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_ISJP_S_ITEM_STR, 
GENERATED_ID TYPE STRING,
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
COMPANYCODENAME TYPE STRING,
INVCSMMRYPAYERNAME TYPE STRING,
INVCSMMRYRECIPIENTNAME TYPE STRING,
CLEARINGDATE TYPE STRING,
INVCSMMRYGROSSAMOUNT TYPE STRING,
INVCSMMRYAMOUNTPAID TYPE STRING,
INVCSMMRYOPENAMT TYPE STRING,
INVCSMMRYRVSLCLRGDOCUMENT TYPE STRING,
INVCSMMRYRVSLCLRGDATE TYPE STRING,
INVCSMMRYITEMREFDOCSTATUS TYPE STRING,
INVCSMMRYITEMSTATUS TYPE STRING,
INVCSMMRYITEMISCLEARED TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
INVCSMMRYPAYER TYPE STRING,
INVCSMMRYPAYERINVCGRPGUNIT TYPE STRING,
CURRENCY TYPE STRING,
INVCSMMRYRECIPIENT TYPE STRING,
INVCSMMRYGROUPINGUNIT TYPE STRING,
INVCSMMRYCLOSINGDATE TYPE STRING,
INVCSMMRYDUEDATE TYPE STRING,
INVCSMMRYMONTHLYINVC TYPE STRING,
INVCSMMRYISNOTINMONTHLYINVC TYPE STRING,
INVCSMMRYMONTHLYINVCISBLOCK TYPE STRING,
INVCSMMRYNETAMOUNT TYPE STRING,
INVCSMMRYTAXAMOUNT TYPE STRING,
TAXCODE TYPE STRING,
INVCSMMRYITEMCATEGORY TYPE STRING,
INVCSMMRYADDLNETAMOUNT1 TYPE STRING,
INVCSMMRYADDLTAXAMOUNT1 TYPE STRING,
INVCSMMRYADDLTAXCODE1 TYPE STRING,
INVCSMMRYADDLNETAMOUNT2 TYPE STRING,
INVCSMMRYADDLTAXAMOUNT2 TYPE STRING,
INVCSMMRYADDLTAXCODE2 TYPE STRING,
INVCSMMRYADDLNETAMOUNT3 TYPE STRING,
INVCSMMRYADDLTAXAMOUNT3 TYPE STRING,
INVCSMMRYADDLTAXCODE3 TYPE STRING,
PAYMENTTERMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISJP_S_ITEM_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_ISJP_S_ITEM_STR-GENERATED_ID sy-vline 
WA_ISJP_S_ITEM_STR-MANDT sy-vline 
WA_ISJP_S_ITEM_STR-COMPANYCODE sy-vline 
WA_ISJP_S_ITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ISJP_S_ITEM_STR-FISCALYEAR sy-vline 
WA_ISJP_S_ITEM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_ISJP_S_ITEM_STR-COMPANYCODENAME sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYPAYERNAME sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYRECIPIENTNAME sy-vline 
WA_ISJP_S_ITEM_STR-CLEARINGDATE sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYGROSSAMOUNT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYAMOUNTPAID sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYOPENAMT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYRVSLCLRGDOCUMENT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYRVSLCLRGDATE sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYITEMREFDOCSTATUS sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYITEMSTATUS sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYITEMISCLEARED sy-vline 
WA_ISJP_S_ITEM_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYPAYER sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYPAYERINVCGRPGUNIT sy-vline 
WA_ISJP_S_ITEM_STR-CURRENCY sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYRECIPIENT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYGROUPINGUNIT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYCLOSINGDATE sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYDUEDATE sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYMONTHLYINVC sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYISNOTINMONTHLYINVC sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYMONTHLYINVCISBLOCK sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYNETAMOUNT sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYTAXAMOUNT sy-vline 
WA_ISJP_S_ITEM_STR-TAXCODE sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYITEMCATEGORY sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLNETAMOUNT1 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXAMOUNT1 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXCODE1 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLNETAMOUNT2 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXAMOUNT2 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXCODE2 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLNETAMOUNT3 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXAMOUNT3 sy-vline 
WA_ISJP_S_ITEM_STR-INVCSMMRYADDLTAXCODE3 sy-vline 
WA_ISJP_S_ITEM_STR-PAYMENTTERMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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