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https://issues.apache.org/jira/browse/SPARK-17612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-17612:
------------------------------------

    Assignee: Apache Spark

> Support `DESCRIBE table PARTITION` SQL syntax
> ---------------------------------------------
>
>                 Key: SPARK-17612
>                 URL: https://issues.apache.org/jira/browse/SPARK-17612
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dongjoon Hyun
>            Assignee: Apache Spark
>
> This issue implements `DESC PARTITION` SQL Syntax again. It was dropped since 
> Spark 2.0.0.
> h4. Spark 2.0.0
> {code}
> scala> sql("CREATE TABLE partitioned_table (a STRING, b INT) PARTITIONED BY 
> (c STRING, d STRING)")
> res0: org.apache.spark.sql.DataFrame = []
> scala> sql("ALTER TABLE partitioned_table ADD PARTITION (c='Us', d=1)")
> res1: org.apache.spark.sql.DataFrame = []
> scala> sql("DESC partitioned_table PARTITION (c='Us', d=1)").show(false)
> org.apache.spark.sql.catalyst.parser.ParseException:
> Unsupported SQL statement
> == SQL ==
> DESC partitioned_table PARTITION (c='Us', d=1)
>   at 
> org.apache.spark.sql.catalyst.parser.AbstractSqlParser$$anonfun$parsePlan$1.apply(ParseDriver.scala:58)
>   at 
> org.apache.spark.sql.catalyst.parser.AbstractSqlParser$$anonfun$parsePlan$1.apply(ParseDriver.scala:53)
>   at 
> org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parse(ParseDriver.scala:82)
>   at 
> org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:45)
>   at 
> org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parsePlan(ParseDriver.scala:53)
>   at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:573)
>   ... 48 elided
> {code}
> h4. Spark 1.6.2
> {code}
> scala> sql("CREATE TABLE partitioned_table (a STRING, b INT) PARTITIONED BY 
> (c STRING, d STRING)")
> res1: org.apache.spark.sql.DataFrame = [result: string]
> scala> sql("ALTER TABLE partitioned_table ADD PARTITION (c='Us', d=1)")
> res2: org.apache.spark.sql.DataFrame = [result: string]
> scala> sql("DESC partitioned_table PARTITION (c='Us', d=1)").show(false)
> 16/09/20 12:48:36 WARN LazyStruct: Extra bytes detected at the end of the 
> row! Ignoring similar problems.
> +----------------------------------------------------------------+
> |result                                                          |
> +----------------------------------------------------------------+
> |a                      string                                        |
> |b                      int                                           |
> |c                      string                                        |
> |d                      string                                        |
> |                                                                            |
> |# Partition Information                                                      
> |
> |# col_name             data_type               comment             |
> |                                                                            |
> |c                      string                                        |
> |d                      string                                        |
> +----------------------------------------------------------------+
> {code}



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