From 605529979db703bb6d5b47b407be416dee7c3bd1 Mon Sep 17 00:00:00 2001
From: Greg Burd <gburd@onshape.com>
Date: Wed, 11 Oct 2017 14:24:01 -0400
Subject: [PATCH] Create views if they don't already exist.

---
 src/main/java/net/helenus/core/SchemaUtil.java                 | 3 ++-
 .../test/integration/core/views/MaterializedViewTest.java      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/helenus/core/SchemaUtil.java b/src/main/java/net/helenus/core/SchemaUtil.java
index 6a228e9..5e33b3d 100644
--- a/src/main/java/net/helenus/core/SchemaUtil.java
+++ b/src/main/java/net/helenus/core/SchemaUtil.java
@@ -213,7 +213,8 @@ public final class SchemaUtil {
     if (o.size() > 0) {
         clustering = "WITH CLUSTERING ORDER BY (" + String.join(", ", o) + ")";
     }
-    return new CreateMaterializedView(keyspace, viewName, where, primaryKey, clustering);
+    return new CreateMaterializedView(keyspace, viewName, where, primaryKey, clustering)
+            .ifNotExists();
   }
 
   public static SchemaStatement dropMaterializedView(
diff --git a/src/test/java/net/helenus/test/integration/core/views/MaterializedViewTest.java b/src/test/java/net/helenus/test/integration/core/views/MaterializedViewTest.java
index a8df217..74f02fa 100644
--- a/src/test/java/net/helenus/test/integration/core/views/MaterializedViewTest.java
+++ b/src/test/java/net/helenus/test/integration/core/views/MaterializedViewTest.java
@@ -29,6 +29,7 @@ import org.junit.Test;
 // See: https://docs.datastax.com/en/cql/3.3/cql/cql_using/useCreateMV.html
 //      https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cqlCreateMaterializedView.html
 //      https://www.datastax.com/dev/blog/materialized-view-performance-in-cassandra-3-x
+//      https://cassandra-zone.com/materialized-views/
 public class MaterializedViewTest extends AbstractEmbeddedCassandraTest {
 
   static Cyclist cyclist;