Issue in Stored Proc : db2 -

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i have written following stored proc in db2.

create or replace procedure rtimd.ialert_proc ( in usr_name varchar(20) default '', in in_rtim_id varchar(25) default '', in api_method varchar(25) default '', in params varchar(500) default '', in application_name varchar(20) default '', out tickt_id varchar(20), out rtimid_var varchar(25)) language sql begin  declare rtim_id_out varchar(25);  if api_method = 'getincident'      set tickt_id = execute immediate ( 'select distinct ticket_id rtimd.v3_ticket_log rtim_id = in_rtim_id' );     set rtim_id_out = in_rtim_id; elseif api_method = 'createincident'      set rtimid_var = execute immediate ( "select 'rtim_' concat usr_name concat varchar(bigint(days(current date) - days('1970-01-01'))*bigint(86400) + midnight_seconds(current_timestamp - current_timezone)) concat '_' concat varchar(smallint ( rand () *10000 + 1 )) sysibm.sysdummy1");     set rtim_id_out = rtimid_var; elseif api_method = 'closeincident'      set rtim_id_out = in_rtim_id; end if;  insert rtimd.v3_ticket_log( rtim_id, state, api_method, api_message, ticket_type, impact_row_id, ticket_id, params, remote_user, created, updated, db_state, cps_state, application, prb_owner, sn_instance ) values ( rtim_id_out, 0, api_method, '', 'incident', 0, '', params, usr_name, current timestamp, timestamp, 0, 0, application_name, 'self', '' );  end

when executing stored proc, getting following error message.

db21034e  command processed sql statement because not valid command line processor command.  during sql processing returned: sql0104n  unexpected token "immediate" found following "set tickt_id=execute".  expected tokens may include:  "in".  line number=1. sqlstate=42601

what went wrong here, have surfed enough no answers :( there syntactical errors. please guide me.

tia.

the syntax of execute wrong:

the first query seems static, means can convert select into, instead of using execute.

http://pic.dhe.ibm.com/infocenter/db2luw/v10r5/topic/com.ibm.db2.luw.sql.ref.doc/doc/r0000994.html


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