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From cloud-fan <...@git.apache.org>
Subject [GitHub] spark pull request #16636: [SPARK-19279] [SQL] Infer Schema for Hive Serde T...
Date Mon, 06 Feb 2017 05:25:51 GMT
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16636#discussion_r99519100
  
    --- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
---
    @@ -79,6 +79,25 @@ class HiveDDLSuite
         }
       }
     
    +  test("create a hive table without schema") {
    +    import testImplicits._
    +    withTempPath { tempDir =>
    +      withTable("tab1", "tab2") {
    +        (("a", "b") :: Nil).toDF().write.json(tempDir.getCanonicalPath)
    +
    +        var e = intercept[AnalysisException] { sql("CREATE TABLE tab1 USING hive") }.getMessage
    +        assert(e.contains("Unable to infer the schema. The schema specification is required
to " +
    +          "create the table `default`.`tab1`"))
    +
    +        e = intercept[AnalysisException] {
    +          sql(s"CREATE TABLE tab2 location '${tempDir.getCanonicalPath}'")
    --- End diff --
    
    is there any hive serde that can infer schema from data files?


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