topic Re: dynamic data objects in Application Development and Automation Discussions

topic Re: dynamic data objects in Application Development and Automation Discussions https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924793#M383883 <HTML><HEAD></HEAD><BODY><P>Hi George,</P><P></P><P>Try this :</P><P></P><P>DATA: numref TYPE REF TO DATA, </P><P> number TYPE I VALUE 123. </P><P>FIELD-SYMBOLS: <fs> TYPE ANY. </P><P></P><P>GET REFERENCE OF number INTO numref. </P><P>ASSIGN numref->* TO <fs>. </P><P></P><P>You can find this if you do a F1 help on the "Data" keyword.</P><P></P><P>Regards,</P><P>George.</P><P></P><UL><UL><LI level="2" type="ul"><P>plz reward points to helpful tips</P></LI></UL></UL><P></P></BODY></HTML> Mon, 05 Mar 2007 07:46:29 GMT Former Member 2007-03-05T07:46:29Z dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924789#M383879 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I have a table with one field, n records. For each record of the table I have to dynamically create a data object of type table-field. How can I do that?</P><P>Thank you!</P></BODY></HTML> Thu, 01 Mar 2007 13:19:57 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924789#M383879 Former Member 2007-03-01T13:19:57Z Re: dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924790#M383880 <HTML><HEAD></HEAD><BODY><P>U can do it using field symbol.</P></BODY></HTML> Thu, 01 Mar 2007 13:23:26 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924790#M383880 alex_m 2007-03-01T13:23:26Z Re: dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924791#M383881 <HTML><HEAD></HEAD><BODY><P>There are two ways as follows.</P><P></P><P>1 .For WAS 6.2 above </P><P></P><P>report yes_tjung_sflight_test.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Data Declaration</P></LI></UL></UL></UL><P></P><P>data: sflighttype type ref to cl_abap_structdescr,</P><P> tabletype type ref to cl_abap_tabledescr,</P><P> comp_tab type cl_abap_structdescr=>component_table,</P><P> new_comp_tab like comp_tab,</P><P> linetype type ref to cl_abap_structdescr,</P><P> dref type ref to data.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Field Symbols</P></LI></UL></UL></UL><P></P><P>field-symbols: <wa_comp> like line of comp_tab.</P><P>field-symbols: <table> type any table.</P><P></P><P></P><P>sflighttype ?= cl_abap_typedescr=>describe_by_name('SFLIGHT').</P><P>comp_tab = sflighttype->get_components( ).</P><P></P><P></P><P>loop at comp_tab assigning <wa_comp>.</P><P>case <wa_comp>-name.</P><P>when 'CARRID' or 'CONNID' or 'FLDATE' or 'PRICE' or 'CURRENCY'.</P><P>append <wa_comp> to new_comp_tab.</P><P>endcase.</P><P>endloop.</P><P></P><P></P><P>linetype = cl_abap_structdescr=>create( new_comp_tab ).</P><P>tabletype = cl_abap_tabledescr=>create(</P><P>p_line_type = linetype</P><P>p_table_kind = cl_abap_tabledescr=>tablekind_std ).</P><P></P><P></P><P>create data dref type handle tabletype.</P><P>assign dref->* to <table>.</P><P></P><P></P><P>select * from sflight into corresponding fields of table <table>.</P><P></P><P></P><P>field-symbols: <wa_data> type any.</P><P>field-symbols: <wa_field> type any.</P><P>loop at <table> assigning <wa_data>.</P><P>write: /.</P><P>loop at new_comp_tab assigning <wa_comp>.</P><P>assign component sy-tabix of structure <wa_data> to <wa_field>.</P><P>write: <wa_field>.</P><P>endloop.</P><P>endloop.</P><P></P><P>2 .For WAS 6.2</P><UL><UL><UL><LI level="3" type="ul"><P>Tables</P></LI></UL></UL></UL><P>DATA: LT_DATA type ref to DATA.</P><P>DATA: LT_FIELDCATALOG type LVC_T_FCAT.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Structure</P></LI></UL></UL></UL><P>DATA: LS_FIELDCATALOG type LVC_S_FCAT.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Data References</P></LI></UL></UL></UL><P>DATA: NEW_LINE type ref to data.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Field Symbols</P></LI></UL></UL></UL><P>FIELD-SYMBOLS: <FS_DATA> type ref to DATA,</P><P> <FS_1> type any table,</P><P> <FS_2>,</P><P> <FS_3>.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'MANDT'. </P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'CARRID'. "Fieldname</P><P>LS_FIELDCATALOG-INTTYPE = 'C'. "Internal Type C-> Character</P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'CONNID'.</P><P>LS_FIELDCATALOG-INTTYPE = 'N'.</P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'FLDATE'.</P><P>LS_FIELDCATALOG-INTTYPE = 'D'.</P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'PRICE'.</P><P>LS_FIELDCATALOG-INTTYPE = 'P'.</P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P></P><P>LS_FIELDCATALOG-FIELDNAME = 'CURRENCY'.</P><P>LS_FIELDCATALOG-INTTYPE = 'C'.</P><P>append LS_FIELDCATALOG to LT_FIELDCATALOG.</P><P>assign LT_DATA to <FS_DATA>.</P><P></P><P>call method cl_alv_table_create=create_dynamic_table</P><P> exporting</P><P> it_fieldcatalog = LT_FIELDCATALOG</P><P> importing</P><P> ep_table = FS_DATA</P><P> exceptions</P><P> generate_subpool_dir_full = 1</P><P> others = 2</P><P> .</P><P>if sy-subrc <> 0.</P><P>endif.</P><P></P><P></P><UL><UL><UL><LI level="3" type="ul"><P>So <FS_1> now points to our dynamic internal table.</P></LI></UL></UL></UL><P></P><P>assign <FS_DATA>->* to <FS_1>.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Next step is to create a work area for our dynamic internal table.</P></LI></UL></UL></UL><P></P><P>create data NEW_LINE like line of <FS_1>.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>A field-symbol to access that work area</P></LI></UL></UL></UL><P>assign NEW_LINE->* to <FS_2>.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>And to put the data in the internal table</P></LI></UL></UL></UL><P>select MANDT CARRID CONNID FLDATE PRICE CURRENCY</P><P> from SFLIGHT</P><P> into corresponding fields of table <FS_1>.</P><P></P><UL><UL><UL><LI level="3" type="ul"><P>Access contents of internal table</P></LI></UL></UL></UL><P>loop at <FS_1> assigning <FS_2>.</P><P></P><P>assign component 1 of structure <FS_2> to <FS_3>.</P><P>write: / <FS_3>.</P><P>endloop.</P><P></P><P>data: lv_tablename type string value 'SFLIGHT'.</P><P>data: lv_dref type ref to DATA.</P><P></P><P>CREATE DATA lv_dref type table of (lv_tablename).</P><P></P><P>FIELD-SYMBOLS: <FS> TYPE STANDARD TABLE.</P><P></P><P>ASSIGN lv_dref->* TO <FS>.</P><P></P><P>select *</P><P> from sflight</P><P> into table <FS>.</P><P></P><P></P><P>Please reward if useful.</P></BODY></HTML> Thu, 01 Mar 2007 13:24:19 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924791#M383881 Former Member 2007-03-01T13:24:19Z Re: dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924792#M383882 <HTML><HEAD></HEAD><BODY><P>I cannot use field symbols.</P><P>I need dynamic data objects because I am calling a FM with dynamic parameters (enqueue/dequeue). So, I have to use the parameter-table option of the call function statement. Filling the parameters table looks like this.</P><P></P><P>data: p_lt_enq_para type abap_func_parmbind_tab,</P><P> lwa_enq LIKE LINE OF p_lt_enq_para</P><P></P><P> lwa_enq-name = lmode.</P><P> lwa_enq-kind = abap_func_exporting.</P><P> GET REFERENCE OF <b>"needed_variable"</b> INTO lwa_enq-value .</P><P> INSERT lwa_enq INTO table p_lt_enq_para.</P><P></P><P>So, for every line of the parameters table, I need a data object to insert the desired value. Any ideea?</P></BODY></HTML> Mon, 05 Mar 2007 07:31:15 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924792#M383882 Former Member 2007-03-05T07:31:15Z Re: dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924793#M383883 <HTML><HEAD></HEAD><BODY><P>Hi George,</P><P></P><P>Try this :</P><P></P><P>DATA: numref TYPE REF TO DATA, </P><P> number TYPE I VALUE 123. </P><P>FIELD-SYMBOLS: <fs> TYPE ANY. </P><P></P><P>GET REFERENCE OF number INTO numref. </P><P>ASSIGN numref->* TO <fs>. </P><P></P><P>You can find this if you do a F1 help on the "Data" keyword.</P><P></P><P>Regards,</P><P>George.</P><P></P><UL><UL><LI level="2" type="ul"><P>plz reward points to helpful tips</P></LI></UL></UL><P></P></BODY></HTML> Mon, 05 Mar 2007 07:46:29 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924793#M383883 Former Member 2007-03-05T07:46:29Z Re: dynamic data objects https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924794#M383884 <HTML><HEAD></HEAD><BODY><P>This is the problem, I cannot expicitly declare a data object (like numref or number), because I don't know what I need. I have this information in an internal table. </P><P>So, I have to call a FM for locking/unlocking table records. For every table that will be locked/unlocked, two FM are generated ( enqueue_... and dequeue_...). These FMs have different parameters from one table to another, because the key fields of every table are used as parameters for these function modules. So, I have the key fields in one internal table, and I have to fill in the parameters table, creatind data objects at runtime for every key field from my internal table.</P><P>How can I do that ?</P><P></P><P>Is it possible to use 'CREATE DATA ...' statement without having a reference variable statically declared in the source code? Or how can I dynamically declare a reference variable, because I don't know how many I need at run time?</P><P></P><P>Message was edited by: </P><P> George Popescu</P></BODY></HTML> Mon, 05 Mar 2007 08:10:28 GMT https://community.sap.com/t5/application-development-and-automation-discussions/dynamic-data-objects/m-p/1924794#M383884 Former Member 2007-03-05T08:10:28Z