Issue - (#3): README file update.

README.md

@@ -130,6 +130,29 @@ There are four views, and complete statistics can be accessed using these views.
      query          | text                     |           |          | 
      slow_query     | text                     |           |          |    
 
+Examples
+1 - Here in this query we are getting the exact value of f1 = '05:06:07-07' where in case of slow query.
+
+    # select userid, queryid, query, slow_query, max_time, total_calls from pg_stat_agg_user; 
+    -[ RECORD 1 ]----------------------------------------------------------------------------------------
+    userid      | 10
+    queryid     | -203926152419851453
+    query       | SELECT f1 FROM TIMETZ_TBL WHERE f1 < $1
+    slow_query  | SELECT f1 FROM TIMETZ_TBL WHERE f1 < '05:06:07-07';
+    max_time    | 1.237875
+    total_calls | 8
+
+2 - Collect all the statistics based on user.
+
+    # select usename, query, max_time, total_calls from pg_stat_agg_user au, pg_user u where au.userid = u.usesysid; 
+     usename |                          query                          | max_time | total_calls 
+    ---------+---------------------------------------------------------+----------+-------------
+     vagrant | select userid, query, total_calls from pg_stat_agg_user | 0.268842 |           7
+     foo     | select userid, query, total_calls from pg_stat_agg_user | 0.208551 |           1
+     vagrant | select * from pg_stat_monitor_reset()                   |   0.0941 |           1
+    (3 rows) 
+
+
 #### Limitation
 There are some limitations and Todo's. 
 

pg_stat_monitor--1.0.sql

@@ -84,9 +84,9 @@ SELECT
   ss.query,
   ss.slow_query
 FROM pg_stat_agg() agg 
-INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time
+INNER JOIN (SELECT DISTINCT queryid, dbid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time
 FROM pg_stat_monitor) ss 
-ON agg.queryid = ss.queryid AND agg.type = 0;
+ON agg.queryid = ss.queryid AND agg.type = 0 AND id = dbid;
 
 CREATE VIEW pg_stat_agg_user AS
 SELECT
@@ -110,7 +110,7 @@ SELECT
   ss.slow_query
 FROM pg_stat_agg() agg 
 INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss 
-ON agg.queryid = ss.queryid AND agg.type = 1;
+ON agg.queryid = ss.queryid AND agg.type = 1 AND id = userid;
 
 CREATE VIEW pg_stat_agg_host AS
 SELECT
@@ -134,7 +134,7 @@ SELECT
   ss.slow_query 
 FROM pg_stat_agg() agg 
 INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss 
-ON agg.queryid = ss.queryid AND agg.type = 2;
+ON agg.queryid = ss.queryid AND agg.type = 2 AND id = host;
 
 GRANT SELECT ON pg_stat_agg_database TO PUBLIC;