Merge pull request #47 from aws-samples/46-replace-var-to-val

var->val

Author: nwheeler81

glue/sbin/CQLReplicator.scala

@@ -371,9 +371,9 @@ object GlueApp {
                 val loc = location._1
                 val ver = location._3
 
-                var tile = location._2
-                var dfTail = sparkSession.read.option("inferSchema", "true").parquet(s"$landingZone/$srcKeyspaceName/$srcTableName/primaryKeys/tile_$tile.tail").drop("group")
-                var dfHead = sparkSession.read.option("inferSchema", "true").parquet(s"$landingZone/$srcKeyspaceName/$srcTableName/primaryKeys/tile_$tile.head").drop("group")
+                val tile = location._2
+                val dfTail = sparkSession.read.option("inferSchema", "true").parquet(s"$landingZone/$srcKeyspaceName/$srcTableName/primaryKeys/tile_$tile.tail").drop("group")
+                val dfHead = sparkSession.read.option("inferSchema", "true").parquet(s"$landingZone/$srcKeyspaceName/$srcTableName/primaryKeys/tile_$tile.head").drop("group")
                 val newInsertsDF = dfTail.drop("ts").as("tail").join(dfHead.drop("ts").as("head"), cond, "leftanti")
 
                 if (!columnTs.equals("None")) {