Github user anubhav100 commented on a diff in the pull request: https://github.com/apache/incubator-carbondata/pull/511#discussion_r96021165 --- Diff: integration/spark2/src/main/scala/org/apache/spark/sql/CarbonSource.scala --- @@ -108,6 +110,10 @@ class CarbonSource extends CreatableRelationProvider val dbName: String = parameters.getOrElse("dbName", CarbonCommonConstants.DATABASE_DEFAULT_NAME) val tableName: String = parameters.getOrElse("tableName", "default_table") + if(org.apache.commons.lang.StringUtils.isBlank(tableName) || + org.apache.commons.lang.StringUtils.isWhitespace(tableName)) { + throw new MalformedCarbonCommandException("INVALID TABLE NAME") --- End diff -- @jackylk i think emptyTableName will make less sense because it is not gurranted that it will be empty
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