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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