closes #5

lib/cassandra_ecto/adapter/cql.ex

@@ -195,8 +195,6 @@ defmodule Cassandra.Ecto.Adapter.CQL do
 
   defp handle_call(fun, _arity), do: {:fun, Atom.to_string(fun)}
 
-  defp op_to_binary({op, _, [_, _]} = expr, query) when op in @binary_ops, do:
-    paren_expr(expr, query)
   defp op_to_binary(expr, query), do: expr(expr, query)
 
   defp expr({{:., _, [{:&, _, [_idx]}, field]}, _, []}, _query) when is_atom(field), do:

mix.exs

@@ -1,7 +1,7 @@
 defmodule CassandraEcto.Mixfile do
   use Mix.Project
 
-  @version "0.5.0"
+  @version "0.5.1"
 
   def project do
     [app: :cassandra_ecto,

spec/cassandra_ecto/adapter/cql_spec.ex

@@ -63,12 +63,12 @@ defmodule CassandraEctoAdapterCQLSpec do
           it "generates cql with binary clauses" do
             query = (from p in "posts", where: p.id >= 1 and p.title == "abra") |> normalize
             expect(to_cql(:all, query))
-            |> to(eq "SELECT * FROM \"posts\" WHERE (\"id\" >= 1) AND (\"title\" = 'abra')")
+            |> to(eq "SELECT * FROM \"posts\" WHERE \"id\" >= 1 AND \"title\" = 'abra'")
           end
-          it "generates cql with nested binary clauses" do
-            query = (from p in "posts", where: (p.id >= 1 and p.title == "abra") or p.id == 1) |> normalize
+          it "supports multiple binary clauses" do
+            query = (from p in "posts", where: "abra" in p.tags and p.title == "test" and p.text == "test") |> normalize
             expect(to_cql(:all, query))
-            |> to(eq "SELECT * FROM \"posts\" WHERE ((\"id\" >= 1) AND (\"title\" = 'abra')) OR (\"id\" = 1)")
+            |> to(eq "SELECT * FROM \"posts\" WHERE \"tags\" CONTAINS 'abra' AND \"title\" = 'test' AND \"text\" = 'test'")
           end
           it "generates cql with in clauses" do
             query = (from p in "posts", where: p.id in [1, 2]) |> normalize

spec/cassandra_ecto/adapter_spec.exs

@@ -57,6 +57,10 @@ defmodule CassandraEctoAdapterSpec do
               expect(TestRepo.all((from p in Post, where: "abra" in p.tags), allow_filtering: true) |> List.first |> Map.get(:id))
               |> to(eq id)
             end
+            it "fetches record with multiple where clauses" do
+              expect(TestRepo.all((from p in Post, where: "abra" in p.tags and p.text == "test" and p.title == "test"), allow_filtering: true) |> List.first |> Map.get(:id))
+              |> to(eq id)
+            end
             it "writes log to io in :cyan when logging enabled" do
               message = capture_log(fn ->
                 TestRepo.all((from p in Post), log: true)