Thriftserver can not support decimal type with negative scale

java.lang.RuntimeException: java.lang.IllegalArgumentException: Error: name expected at the position 10 of 'decimal(6,-7)' but '-' is found.
	at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:83)
	at org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36)
	at org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63)
	at java.security.AccessController.doPrivileged(AccessController.java:770)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
	at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59)
	at com.sun.proxy.$Proxy31.getResultSetMetadata(Unknown Source)
	at org.apache.hive.service.cli.CLIService.getResultSetMetadata(CLIService.java:502)
	at org.apache.hive.service.cli.thrift.ThriftCLIService.GetResultSetMetadata(ThriftCLIService.java:609)
	at org.apache.hive.service.rpc.thrift.TCLIService$Processor$GetResultSetMetadata.getResult(TCLIService.java:1697)
	at org.apache.hive.service.rpc.thrift.TCLIService$Processor$GetResultSetMetadata.getResult(TCLIService.java:1682)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:53)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:310)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:819)
Caused by: java.lang.IllegalArgumentException: Error: name expected at the position 10 of 'decimal(6,-7)' but '-' is found.
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils$TypeInfoParser.expect(TypeInfoUtils.java:378)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils$TypeInfoParser.expect(TypeInfoUtils.java:355)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils$TypeInfoParser.parseParams(TypeInfoUtils.java:403)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils$TypeInfoParser.parsePrimitiveParts(TypeInfoUtils.java:542)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils.parsePrimitiveParts(TypeInfoUtils.java:557)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.createPrimitiveTypeInfo(TypeInfoFactory.java:136)
	at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.getPrimitiveTypeInfo(TypeInfoFactory.java:109)
	at org.apache.hive.service.cli.TypeDescriptor.<init>(TypeDescriptor.java:58)
	at org.apache.hive.service.cli.TableSchema.<init>(TableSchema.java:54)
	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation$.getTableSchema(SparkExecuteStatementOperation.scala:313)
	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation.resultSchema$lzycompute(SparkExecuteStatementOperation.scala:69)
	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation.resultSchema(SparkExecuteStatementOperation.scala:64)
	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation.getResultSetSchema(SparkExecuteStatementOperation.scala:157)
	at org.apache.hive.service.cli.operation.OperationManager.getOperationResultSetSchema(OperationManager.java:233)
	at org.apache.hive.service.cli.session.HiveSessionImpl.getResultSetMetadata(HiveSessionImpl.java:787)
	at sun.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78)
	... 18 more