[SPARK-32889] orc table column name doesn't support special characters.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: jason jin
• Reporter: jason jin
• Created: 15/Sep/20 12:31
• Updated: 24/Sep/20 21:26
• Resolved: 17/Sep/20 21:51

Description

when execute 

"CREATE TABLE tbl(`$` INT, b INT) using orc";

error occurs like below. but in it's ok in hive.

Column name "$" contains invalid character(s). Please use alias to rename it.;Column name "$" contains invalid character(s). Please use alias to rename it.;org.apache.spark.sql.AnalysisException: Column name "$" contains invalid character(s). Please use alias to rename it.; at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$.checkFieldName(OrcFileFormat.scala:51) at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$.$anonfun$checkFieldNames$1(OrcFileFormat.scala:59) at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$.$anonfun$checkFieldNames$1$adapted(OrcFileFormat.scala:59) at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36) at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33) at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:38) at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$.checkFieldNames(OrcFileFormat.scala:59) at org.apache.spark.sql.execution.command.DDLUtils$.$anonfun$checkDataColNames$1(ddl.scala:924) at org.apache.spark.sql.execution.command.DDLUtils$.$anonfun$checkDataColNames$1$adapted(ddl.scala:913) at scala.Option.foreach(Option.scala:407) at org.apache.spark.sql.execution.command.DDLUtils$.checkDataColNames(ddl.scala:913) at org.apache.spark.sql.execution.command.DDLUtils$.checkDataColNames(ddl.scala:908) at org.apache.spark.sql.execution.datasources.PreprocessTableCreation$$anonfun$apply$2.applyOrElse(rules.scala:231) at org.apache.spark.sql.execution.datasources.PreprocessTableCreation$$anonfun$apply$2.applyOrElse(rules.scala:80) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.$anonfun$resolveOperatorsDown$2(AnalysisHelper.scala:108) at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:73) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.$anonfun$resolveOperatorsDown$1(AnalysisHelper.scala:108) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper$.allowInvokingTransformsInAnalyzer(AnalysisHelper.scala:207) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.resolveOperatorsDown(AnalysisHelper.scala:106) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.resolveOperatorsDown$(AnalysisHelper.scala:104) at org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.resolveOperatorsDown(LogicalPlan.scala:29) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.resolveOperators(AnalysisHelper.scala:73) at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.resolveOperators$(AnalysisHelper.scala:72) at 

Issue Links

• relates to: SPARK-21912 ORC/Parquet table should not create invalid column names
• links to: [Github] Pull Request #29761 (jzc928)
• links to: [Github] Pull Request #29867 (dongjoon-hyun)