Add JDBC logging to monitor activities

.gitignore

@@ -9,3 +9,4 @@ pom.xml.asc
 /.nrepl-port
 .hgignore
 .hg/
+!/lib/slf4j-simple-1.7.12.jar

project.clj

@@ -8,10 +8,12 @@
                  [yesql "0.5.1"]
                  [compojure "1.4.0"]
                  [ring/ring-defaults "0.1.5"]
-                 [cheshire "5.5.0"]]
+                 [cheshire "5.5.0"]
+                 [com.googlecode.log4jdbc/log4jdbc "1.2"]]
   :clj-sql-up {:database "jdbc:postgresql://kashmir_user:password@localhost:5432/kashmir"
                :deps [[org.postgresql/postgresql "9.4-1201-jdbc41"]]}
   :ring {:handler kashmir.handler/app}
+  :resource-paths ["lib/slf4j-simple-1.7.12.jar"]
   :plugins  [[clj-sql-up "0.3.7"]
              [lein-ring "0.9.7"]]
   :main ^:skip-aot kashmir.core

resources/log4j.properties

@@ -0,0 +1,33 @@
+# the appender used for the JDBC API layer call logging above, sql only
+log4j.appender.sql=org.apache.log4j.ConsoleAppender
+log4j.appender.sql.Target=System.out
+log4j.appender.sql.layout=org.apache.log4j.PatternLayout
+log4j.appender.sql.layout.ConversionPattern= \u001b[0;31m (SQL)\u001b[m %d{yyyy-MM-dd HH:mm:ss.SSS} \u001b[0;32m %m \u001b[m %n
+
+# ==============================================================================
+# JDBC API layer call logging :
+# INFO shows logging, DEBUG also shows where in code the jdbc calls were made,
+# setting DEBUG to true might cause minor slow-down in some environments.
+# If you experience too much slowness, use INFO instead.
+
+log4jdbc.drivers=org.postgresql.Driver
+
+# Log all JDBC calls except for ResultSet calls
+log4j.logger.jdbc.audit=FATAL,sql
+log4j.additivity.jdbc.audit=false
+
+# Log only JDBC calls to ResultSet objects
+log4j.logger.jdbc.resultset=FATAL,sql
+log4j.additivity.jdbc.resultset=false
+
+# Log only the SQL that is executed.
+log4j.logger.jdbc.sqlonly=FATAL,sql
+log4j.additivity.jdbc.sqlonly=false
+
+# Log timing information about the SQL that is executed.
+log4j.logger.jdbc.sqltiming=FATAL,sql
+log4j.additivity.jdbc.sqltiming=false
+
+# Log connection open/close events and connection number dump
+log4j.logger.jdbc.connection=FATAL,sql
+log4j.additivity.jdbc.connection=false

src/kashmir/data.clj

@@ -2,8 +2,9 @@
   (:require [yesql.core :refer [defqueries]]
             [clojure.java.jdbc :as jdbc]))
 
-(def db-spec {:classname "org.postgresql.Driver"
-              :subprotocol "postgresql"
+(def db-spec {:classname "net.sf.log4jdbc.DriverSpy"
+              :subprotocol "log4jdbc:postgresql"
+              ;:subprotocol "postgresql"
               :subname "//localhost:5432/kashmir"
               :user "kashmir_user"
               :password "password1"})