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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/07/02 17:21:00 UTC
[jira] [Updated] (SPARK-24681) Cannot create a view from a table
when a nested column name contains ':'
[ https://issues.apache.org/jira/browse/SPARK-24681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Li updated SPARK-24681:
----------------------------
Target Version/s: 2.4.0
> Cannot create a view from a table when a nested column name contains ':'
> ------------------------------------------------------------------------
>
> Key: SPARK-24681
> URL: https://issues.apache.org/jira/browse/SPARK-24681
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0, 2.3.0, 2.4.0
> Reporter: Adrian Ionescu
> Priority: Major
>
> Here's a patch that reproduces the issue:
> {code:java}
> diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSuite.scala
> index 09c1547..29bb3db 100644
> --- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSuite.scala
> +++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSuite.scala
> @@ -19,6 +19,7 @@ package org.apache.spark.sql.hive
>
> import org.apache.spark.sql.{QueryTest, Row}
> import org.apache.spark.sql.execution.datasources.parquet.ParquetTest
> +import org.apache.spark.sql.functions.{lit, struct}
> import org.apache.spark.sql.hive.test.TestHiveSingleton
>
> case class Cases(lower: String, UPPER: String)
> @@ -76,4 +77,21 @@ class HiveParquetSuite extends QueryTest with ParquetTest with TestHiveSingleton
> }
> }
> }
> +
> + test("column names including ':' characters") {
> + withTempPath { path =>
> + withTable("test_table") {
> + spark.range(0)
> + .select(struct(lit(0).as("nested:column")).as("toplevel:column"))
> + .write.format("parquet")
> + .option("path", path.getCanonicalPath)
> + .saveAsTable("test_table")
> +
> + sql("CREATE VIEW test_view_1 AS SELECT `toplevel:column`.* FROM test_table")
> + sql("CREATE VIEW test_view_2 AS SELECT * FROM test_table")
> +
> + }
> + }
> + }
> }{code}
> The first "CREATE VIEW" statement succeeds, but the second one fails with:
> {code:java}
> org.apache.spark.SparkException: Cannot recognize hive type string: struct<nested:column:int>
> {code}
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