Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/20133#discussion_r159431206 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala --- @@ -1104,28 +1118,36 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) { "CREATE TEMPORARY TABLE is not supported yet. " + "Please use CREATE TEMPORARY VIEW as an alternative.", ctx) } - if (ctx.skewSpec != null) { + if (ctx.skewSpec.size > 0) { operationNotAllowed("CREATE TABLE ... SKEWED BY", ctx) } + checkDuplicateClauses(ctx.TBLPROPERTIES, "TBLPROPERTIES", ctx) + checkDuplicateClauses(ctx.PARTITIONED, "PARTITIONED BY", ctx) + checkDuplicateClauses(ctx.COMMENT, "COMMENT", ctx) + checkDuplicateClauses(ctx.bucketSpec(), "CLUSTERED BY", ctx) + checkDuplicateClauses(ctx.createFileFormat, "STORED AS/BY", ctx) + checkDuplicateClauses(ctx.rowFormat, "ROW FORMAT", ctx) + checkDuplicateClauses(ctx.locationSpec, "LOCATION", ctx) + val dataCols = Option(ctx.columns).map(visitColTypeList).getOrElse(Nil) val partitionCols = Option(ctx.partitionColumns).map(visitColTypeList).getOrElse(Nil) - val properties = Option(ctx.tablePropertyList).map(visitPropertyKeyValues).getOrElse(Map.empty) + val properties = Option(ctx.tableProps).map(visitPropertyKeyValues).getOrElse(Map.empty) --- End diff -- The last one, if we have multiple clauses. However, we blocks this in the above checks.
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