postgres

 The CREATE  OR  the REPLACE  the FUNCTION auto_insert_into_tbl_partition ()
   the RETURNS  Trigger  the AS 
$ $ the BODY 
the DECLARE 
    time_column_name      text ;         - a time field, the date is determined by the time this sub-table, part of a required 
    curMMDD          VARCHAR ( 16 );     - 'YYYYMMDD' format string , used sub-partition table suffix 
    ISEXIST Boolean;         - Analyzing the additional sub-table already exists 
    strSQL           text ; 
    
the BEGIN 
    - obtaining from the call parameter time_column_name 
    time_column_name: = TG_ARGV [ 0 ] ;
   
    - Analyzing the corresponding partition table already exists 
    the EXECUTE  ' the SELECT. 1 $. ' || time_column_name the INTO strSQL the USING NEW; 
    curMMDD: = TO_CHAR (strSQL :: timestamp , ' YYYYMMDD ' );
     SELECT  COUNT ( . 1 ) the INTO ISEXIST from the pg_class entry that WHERE relname = ( ' t_audit_ ' || curMMDD); 
 
    - if there create sub-partitions insert 
    the iF (ISEXIST = to false) tHEN   
        -Create a child inherits the parent partition table table 
        strSQL: =  ' the CREATE TABLE IF the NOT EXISTS t_audit_ ' || curMMDD || ' () INHERITS (t_audit); ' ;  
         EXECUTE strSQL;
         - creating an index 
        strSQL: =  ' the CREATE INDEX t_audit_ ' || curMMDD || ' _INDEX_ ' || time_column_name || ' ON t_audit_ ' || curMMDD || ' ( ' || time_column_name || '); ' ;
         The EXECUTE strSQL;
     the END  the IF ; 
 
    - inserting data into the child partition! 
    StrSQL: =  ' the INSERT the INTO t_audit_ ' || curMMDD || ' the SELECT * $ 1. ' ;
     the EXECUTE strSQL the USING NEW;
     the RETURN  NULL ; 
 the END 
$ $ the BODY 
plpgsql LANGUAGE; 
 

- create a trigger, trigger the operation INSERT 
the cREATE  tRIGGER insert_tbl_partition_trigger 
  the BEFORE INSERT 
  ON t_audit
   the FOR EACH ROW
   EXECUTE PROCEDURE auto_insert_into_tbl_partition('time');

The whole is this code, you can complete a simple operation according to the schedule.