diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala index 8d9048ab82ac65d591120431930492c410f99a0d..9b5088fbfd409b33eb7f4145b482e64dbc13a131 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala @@ -136,7 +136,16 @@ object JDBCRDD extends Logging { val typeName = rsmd.getColumnTypeName(i + 1) val fieldSize = rsmd.getPrecision(i + 1) val fieldScale = rsmd.getScale(i + 1) - val isSigned = rsmd.isSigned(i + 1) + val isSigned = { + try { + rsmd.isSigned(i + 1) + } catch { + // Workaround for HIVE-14684: + case e: SQLException if + e.getMessage == "Method not supported" && + rsmd.getClass.getName == "org.apache.hive.jdbc.HiveResultSetMetaData" => true + } + } val nullable = rsmd.isNullable(i + 1) != ResultSetMetaData.columnNoNulls val metadata = new MetadataBuilder() .putString("name", columnName)