Return blobs as Sequel::SQL::Blob when using H2

CHANGELOG

@@ -1,5 +1,7 @@
 === HEAD
 
+* Return blobs as Sequel::SQL::Blob when using H2 (jeremyevans, paulfras)
+
 * Add Database#each_server, which yields a new Database object for each server in the connection pool which is connected to only that server (jeremyevans)
 
 * Add Dataset#each_server, which yields a dataset for each server in the connection pool which is will execute on that server (jeremyevans)

lib/sequel/adapters/jdbc.rb

@@ -492,6 +492,8 @@ def convert_type(v)
           BigDecimal.new(v.to_string)
         when Java::byte[]
           Sequel::SQL::Blob.new(String.from_java_bytes(v))
+        when Java::JavaSQL::Blob
+          convert_type(v.getBytes(0, v.length))
         else
           v
         end

spec/integration/type_test.rb

@@ -78,7 +78,7 @@ def create_items_table_with_column(name, type, opts={})
     ds.first[:tim].strftime('%Y%m%d%H%M%S').should == t.strftime('%Y%m%d%H%M%S')
   end
 
-  cspecify "should support generic file type", [:do], :h2, [:odbc, :mssql] do
+  cspecify "should support generic file type", [:do], [:odbc, :mssql] do
     ds = create_items_table_with_column(:name, File)
     ds.insert(:name => ("a\0"*300).to_sequel_blob)
     ds.all.should == [{:name=>("a\0"*300).to_sequel_blob}]