Adds JSON support with non-sprintf syntax

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Change Log
 All notable changes to this project will be documented in this file, from 0.2.0.
 
+## [5.2.1] - 2017-04-09
+  - Adds Array and Hash to_json support for non-sprintf syntax
+
 ## [5.2.0] - 2017-04-01
   - Upgrades HikariCP to latest
   - Fixes HikariCP logging integration issues

lib/logstash/outputs/jdbc.rb

@@ -5,6 +5,7 @@ require 'concurrent'
 require 'stud/interval'
 require 'java'
 require 'logstash-output-jdbc_jars'
+require 'json'
 
 # Write events to a SQL engine, using JDBC.
 #
@@ -293,6 +294,8 @@ class LogStash::Outputs::Jdbc < LogStash::Outputs::Base
         statement.setFloat(idx + 1, value)
       when String
         statement.setString(idx + 1, value)
+      when Array, Hash
+        statement.setString(idx + 1, value.to_json)
       when true, false
         statement.setBoolean(idx + 1, value)
       else