[jira] [Resolved] (SPARK-9685) "Unsupported dataType: char(X)" in Hive

["Xiao Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-9685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-9685.
----------------------------
    Resolution: Fixed

> "Unsupported dataType: char(X)" in Hive
> ---------------------------------------
>
>                 Key: SPARK-9685
>                 URL: https://issues.apache.org/jira/browse/SPARK-9685
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Ángel Álvarez
>         Attachments: SPARK-9685.1.patch.txt
>
>
> I'm getting the following error when I try to read a Hive table with char(X) fields:
> {code}
> 15/08/06 11:38:51 INFO parse.ParseDriver: Parse Completed
> org.apache.spark.sql.types.DataTypeException: Unsupported dataType: char(8). If you have a struct and a field name of it has any special characters, please use backticks (`) to quote that field name, e.g. `x+y`. Please note that backtick itself is not supported in a field name.
>         at org.apache.spark.sql.types.DataTypeParser$class.toDataType(DataTypeParser.scala:95)
>         at org.apache.spark.sql.types.DataTypeParser$$anon$1.toDataType(DataTypeParser.scala:107)
>         at org.apache.spark.sql.types.DataTypeParser$.parse(DataTypeParser.scala:111)
>         at org.apache.spark.sql.hive.HiveMetastoreTypes$.toDataType(HiveMetastoreCatalog.scala:769)
>         at org.apache.spark.sql.hive.MetastoreRelation$SchemaAttribute.toAttribute(HiveMetastoreCatalog.scala:742)
>         at org.apache.spark.sql.hive.MetastoreRelation$$anonfun$44.apply(HiveMetastoreCatalog.scala:752)
>         at org.apache.spark.sql.hive.MetastoreRelation$$anonfun$44.apply(HiveMetastoreCatalog.scala:752)
> {code}
> It seems there is no "char" DataType defined in the DataTypeParser class
> {code}
>   protected lazy val primitiveType: Parser[DataType] =
>     "(?i)string".r ^^^ StringType |
>     "(?i)float".r ^^^ FloatType |
>     "(?i)(?:int|integer)".r ^^^ IntegerType |
>     "(?i)tinyint".r ^^^ ByteType |
>     "(?i)smallint".r ^^^ ShortType |
>     "(?i)double".r ^^^ DoubleType |
>     "(?i)(?:bigint|long)".r ^^^ LongType |
>     "(?i)binary".r ^^^ BinaryType |
>     "(?i)boolean".r ^^^ BooleanType |
>     fixedDecimalType |
>     "(?i)decimal".r ^^^ DecimalType.USER_DEFAULT |
>     "(?i)date".r ^^^ DateType |
>     "(?i)timestamp".r ^^^ TimestampType |
>     varchar
> {code}



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