Michael Armbrust created SPARK-1678: ---------------------------------------
Summary: Compression loses repeated values. Key: SPARK-1678 URL: https://issues.apache.org/jira/browse/SPARK-1678 Project: Spark Issue Type: Bug Components: SQL Reporter: Michael Armbrust Assignee: Cheng Lian Priority: Blocker Fix For: 1.0.0 Here's a test case: {code} test("all the same strings") { sparkContext.parallelize(1 to 1000).map(_ => StringData("test")).registerAsTable("test1000") assert(sql("SELECT * FROM test1000").count() === 1000) cacheTable("test1000") assert(sql("SELECT * FROM test1000").count() === 1000) } {code} First assert passes, second one fails. -- This message was sent by Atlassian JIRA (v6.2#6252)