Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/14921#discussion_r77430470 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/internal/CatalogSuite.scala --- @@ -305,6 +306,26 @@ class CatalogSuite columnFields.foreach { f => assert(columnString.contains(f.toString)) } } + test("createExternalTable should fail if path and schema are both not given " + + "for file-based data source") { + val e = intercept[AnalysisException] { + spark.catalog.createExternalTable("tbl", "json", Map.empty[String, String]) + } + assert(e.message.contains("Unable to infer schema")) + } + + test("createExternalTable should not fail if path is not given but schema is given " + --- End diff -- this behaviour is consistent with hive.
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