nested - GreenPlum - Table With Trigger - Insert Failed -


this first time using triggers in green plum environment. think have of setup facing issues when insert data. here trigger 

create trigger insert_trigger     before insert on leads.abhi_temp     each row execute procedure leads.my_trigger();

here definition of trigger

create or replace function leads.my_trigger() returns trigger $$ begin     if ( new.date >= date '2003-01-01' ,          new.date < date '2003-12-31' )         insert leads.abhi_temp_y2003 values (new.*);     elsif ( new.date >= date '2004-01-01' ,          new.date < date '2004-12-31' )         insert leads.abhi_temp_y2004 values (new.*);     end if;     return null; end; $$ language plpgsql;

now insert data table use 

insert leads.mydata (select column1, column2 leads.someotherdara column1 = '1');

but gives me error

error:  function cannot execute on segment because issues non-select statement (functions.c:133)

i think error because using nested queries insert data. not sure how fix this. recommendation. in advance help

i aware, there limited support triggers in greenplum, not support dml operations.

may know how achieve this, mean how rules can applied u said in previous comments


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