Issue (#30) - Code refactoring.

Makefile

@@ -1,7 +1,7 @@
 # contrib/pg_stat_monitor/Makefile
 
 MODULE_big = pg_stat_monitor
-OBJS = pg_stat_monitor.o $(WIN32RES)
+OBJS = guc.o pg_stat_monitor.o $(WIN32RES)
 
 EXTENSION = pg_stat_monitor
 DATA = pg_stat_monitor--1.0.sql
@@ -11,7 +11,7 @@ PGFILEDESC = "pg_stat_monitor - execution statistics of SQL statements"
 LDFLAGS_SL += $(filter -lm, $(LIBS)) 
 
 REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/pg_stat_monitor/pg_stat_monitor.conf
-REGRESS = pg_stat_monitor
+REGRESS = basic pg_stat_monitor
 
 # Disabled because these tests require "shared_preload_libraries=pg_stat_statements",
 # which typical installcheck users do not have (e.g. buildfarm clients).

expected/basic.out

@@ -0,0 +1,34 @@
+CREATE EXTENSION pg_stat_monitor;
+SELECT pg_stat_monitor_reset();
+ pg_stat_monitor_reset 
+-----------------------
+
+(1 row)
+
+select pg_sleep(.5);
+ pg_sleep 
+----------
+
+(1 row)
+
+SELECT 1;
+ ?column? 
+----------
+        1
+(1 row)
+
+SELECT bucket, query FROM pg_stat_monitor ORDER BY query;
+ bucket |             query              
+--------+--------------------------------
+      1 | SELECT $1
+      1 | SELECT pg_stat_monitor_reset()
+      1 | select pg_sleep($1)
+(3 rows)
+
+SELECT pg_stat_monitor_reset();
+ pg_stat_monitor_reset 
+-----------------------
+
+(1 row)
+
+DROP EXTENSION pg_stat_monitor;