ABAP Select data from SAP table ISIQTYVARTRAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISIQTYVARTRAIN
*  INTO TABLE @DATA(IT_ISIQTYVARTRAIN2).
*--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_ISIQTYVARTRAIN INDEX 1 INTO DATA(WA_ISIQTYVARTRAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISIQTYVARTRAIN>-MANDT = 1.
<ISIQTYVARTRAIN>-SUPPLIERINVOICE = 1.
<ISIQTYVARTRAIN>-FISCALYEAR = 1.
<ISIQTYVARTRAIN>-SUPPLIERINVOICEITEM = 1.
<ISIQTYVARTRAIN>-PURCHASEORDER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISIQTYVARTRAIN-PURCHASEORDERITEM, sy-vline,
  WA_ISIQTYVARTRAIN-MATERIAL, sy-vline,
  WA_ISIQTYVARTRAIN-VALUATIONAREA, sy-vline,
  WA_ISIQTYVARTRAIN-INVENTORYVALUATIONTYPE, sy-vline,
  WA_ISIQTYVARTRAIN-COMPANYCODE, sy-vline,
  WA_ISIQTYVARTRAIN-RECEIVINGPLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISIQTYVARTRAIN 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_ISIQTYVARTRAIN 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_ISIQTYVARTRAIN INTO WA_ISIQTYVARTRAIN.


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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISIQTYVARTRAIN-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISIQTYVARTRAIN-SUPPLIER.
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_ISIQTYVARTRAIN_STR, 
MANDT TYPE STRING,
SUPPLIERINVOICE TYPE STRING,
FISCALYEAR TYPE STRING,
SUPPLIERINVOICEITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
MATERIAL TYPE STRING,
VALUATIONAREA TYPE STRING,
INVENTORYVALUATIONTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
RECEIVINGPLANT TYPE STRING,
SUPPLIERINVOICEITEMAMOUNT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXCODE TYPE STRING,
TAXJURISDICTION TYPE STRING,
QUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
QTYINPURCHASEORDERPRICEUNIT TYPE STRING,
PURCHASEORDERPRICEUNIT TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MATERIALVALUATIONCLASS TYPE STRING,
ISSUBSEQUENTDEBITCREDIT TYPE STRING,
SUPLRINVCITEMHASPRICEVARIANCE TYPE STRING,
SUPLRINVCITEMHASDATEVARIANCE TYPE STRING,
SUPLRINVCITEMHASORDPRCQTYVARC TYPE STRING,
SUPLRINVCITEMHASPROJBDGTVARC TYPE STRING,
SUPLRINVCITEMHASOTHERVARIANCE TYPE STRING,
SUPLRINVCITEMHASAMOUNTOUTSDTOL TYPE STRING,
SUPLRINVCITMHASQUALITYVARIANCE TYPE STRING,
ISLIFOANDFIFORELEVANT TYPE STRING,
STOCKIDENTIFYINGMATERIAL TYPE STRING,
QUANTITYASPERINVOICINGPARTY TYPE STRING,
AMOUNTASPERINVOICINGPARTY TYPE STRING,
SUPLRINVCVERIFICATSUPLRERRTYPE TYPE STRING,
SUPPLIERPOSTINGLINEITEMTEXT TYPE STRING,
SUPLRINVCITEMCORRECTIONIND TYPE STRING,
SUPPLIERINVOICECOMPLAINTREASON TYPE STRING,
RETENTIONAMOUNTINDOCCURRENCY TYPE STRING,
RETENTIONPERCENTAGE TYPE STRING,
RETENTIONDUEDATE TYPE STRING,
PRODUCTTYPE TYPE STRING,
STOCKSEGMENT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
PAYMENTTERMS TYPE STRING,
DUECALCULATIONBASEDATE TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
INVOICINGPARTY TYPE STRING,
PURCHASEORDERCREATIONDATE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
SUPPLYINGSUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,
INCOTERMSPART1 TYPE STRING,
INCOTERMSPART2 TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
SUPPLIER TYPE STRING,
DOWNPAYMENTTYPE TYPE STRING,
DOWNPAYMENTPERCENTAGEOFTOTAMT TYPE STRING,
DOWNPAYMENTAMOUNT TYPE STRING,
DOWNPAYMENTDUEDATE TYPE STRING,
SHIPPINGTYPE TYPE STRING,
SHIPPINGCONDITION TYPE STRING,
SUPLRINVCITEMHASQTYVARIANCE TYPE STRING,
EARLIESTCASHDISCOUNTDATE TYPE STRING,
DAYSSUPLRINVCCRTNTOCSHDISCDTE TYPE STRING,
SUPLRINVCISGRONTIMEFORCASHDISC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISIQTYVARTRAIN_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_ISIQTYVARTRAIN_STR-MANDT sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIERINVOICE sy-vline 
WA_ISIQTYVARTRAIN_STR-FISCALYEAR sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIERINVOICEITEM sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDER sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDERITEM sy-vline 
WA_ISIQTYVARTRAIN_STR-MATERIAL sy-vline 
WA_ISIQTYVARTRAIN_STR-VALUATIONAREA sy-vline 
WA_ISIQTYVARTRAIN_STR-INVENTORYVALUATIONTYPE sy-vline 
WA_ISIQTYVARTRAIN_STR-COMPANYCODE sy-vline 
WA_ISIQTYVARTRAIN_STR-RECEIVINGPLANT sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIERINVOICEITEMAMOUNT sy-vline 
WA_ISIQTYVARTRAIN_STR-DEBITCREDITCODE sy-vline 
WA_ISIQTYVARTRAIN_STR-TAXCODE sy-vline 
WA_ISIQTYVARTRAIN_STR-TAXJURISDICTION sy-vline 
WA_ISIQTYVARTRAIN_STR-QUANTITY sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_ISIQTYVARTRAIN_STR-QTYINPURCHASEORDERPRICEUNIT sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDERPRICEUNIT sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_ISIQTYVARTRAIN_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_ISIQTYVARTRAIN_STR-MATERIALVALUATIONCLASS sy-vline 
WA_ISIQTYVARTRAIN_STR-ISSUBSEQUENTDEBITCREDIT sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASPRICEVARIANCE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASDATEVARIANCE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASORDPRCQTYVARC sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASPROJBDGTVARC sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASOTHERVARIANCE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASAMOUNTOUTSDTOL sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITMHASQUALITYVARIANCE sy-vline 
WA_ISIQTYVARTRAIN_STR-ISLIFOANDFIFORELEVANT sy-vline 
WA_ISIQTYVARTRAIN_STR-STOCKIDENTIFYINGMATERIAL sy-vline 
WA_ISIQTYVARTRAIN_STR-QUANTITYASPERINVOICINGPARTY sy-vline 
WA_ISIQTYVARTRAIN_STR-AMOUNTASPERINVOICINGPARTY sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCVERIFICATSUPLRERRTYPE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIERPOSTINGLINEITEMTEXT sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMCORRECTIONIND sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIERINVOICECOMPLAINTREASON sy-vline 
WA_ISIQTYVARTRAIN_STR-RETENTIONAMOUNTINDOCCURRENCY sy-vline 
WA_ISIQTYVARTRAIN_STR-RETENTIONPERCENTAGE sy-vline 
WA_ISIQTYVARTRAIN_STR-RETENTIONDUEDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-PRODUCTTYPE sy-vline 
WA_ISIQTYVARTRAIN_STR-STOCKSEGMENT sy-vline 
WA_ISIQTYVARTRAIN_STR-CREATIONDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-CREATIONTIME sy-vline 
WA_ISIQTYVARTRAIN_STR-PAYMENTTERMS sy-vline 
WA_ISIQTYVARTRAIN_STR-DUECALCULATIONBASEDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-CASHDISCOUNT1DAYS sy-vline 
WA_ISIQTYVARTRAIN_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_ISIQTYVARTRAIN_STR-CASHDISCOUNT2DAYS sy-vline 
WA_ISIQTYVARTRAIN_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_ISIQTYVARTRAIN_STR-NETPAYMENTDAYS sy-vline 
WA_ISIQTYVARTRAIN_STR-INVOICINGPARTY sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDERCREATIONDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASINGORGANIZATION sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASINGGROUP sy-vline 
WA_ISIQTYVARTRAIN_STR-PURCHASEORDERDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-VALIDITYSTARTDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-VALIDITYENDDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLYINGSUPPLIER sy-vline 
WA_ISIQTYVARTRAIN_STR-CUSTOMER sy-vline 
WA_ISIQTYVARTRAIN_STR-INCOTERMSPART1 sy-vline 
WA_ISIQTYVARTRAIN_STR-INCOTERMSPART2 sy-vline 
WA_ISIQTYVARTRAIN_STR-INCOTERMSLOCATION1 sy-vline 
WA_ISIQTYVARTRAIN_STR-INCOTERMSLOCATION2 sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPPLIER sy-vline 
WA_ISIQTYVARTRAIN_STR-DOWNPAYMENTTYPE sy-vline 
WA_ISIQTYVARTRAIN_STR-DOWNPAYMENTPERCENTAGEOFTOTAMT sy-vline 
WA_ISIQTYVARTRAIN_STR-DOWNPAYMENTAMOUNT sy-vline 
WA_ISIQTYVARTRAIN_STR-DOWNPAYMENTDUEDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-SHIPPINGTYPE sy-vline 
WA_ISIQTYVARTRAIN_STR-SHIPPINGCONDITION sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCITEMHASQTYVARIANCE sy-vline 
WA_ISIQTYVARTRAIN_STR-EARLIESTCASHDISCOUNTDATE sy-vline 
WA_ISIQTYVARTRAIN_STR-DAYSSUPLRINVCCRTNTOCSHDISCDTE sy-vline 
WA_ISIQTYVARTRAIN_STR-SUPLRINVCISGRONTIMEFORCASHDISC sy-vline      INTO ld_text SEPARATED BY SPACE.

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