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https://issues.apache.org/jira/browse/SPARK-20067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-20067:
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Assignee: Apache Spark (was: Xiao Li)
> Use treeString to print out the table schema for CatalogTable
> -------------------------------------------------------------
>
> Key: SPARK-20067
> URL: https://issues.apache.org/jira/browse/SPARK-20067
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Xiao Li
> Assignee: Apache Spark
>
> Currently, we are using {{sql}} to print the schema. To make the schema more
> readable, we should use {{treeString}}, like what we did in Dataset API
> {{printSchema}}
> Below is the current way:
> {noformat}
> Schema: STRUCT<`a`: STRING (nullable = true), `b`: INT (nullable = true),
> `c`: STRING (nullable = true), `d`: STRING (nullable = true)>
> {noformat}
> After the change, it should look like
> {noformat}
> Schema: root
> |-- a: string (nullable = true)
> |-- b: integer (nullable = true)
> |-- c: string (nullable = true)
> |-- d: string (nullable = true)
> {noformat}
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