[ https://issues.apache.org/jira/browse/SPARK-16157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Li updated SPARK-16157: ---------------------------- Description: Currently, the column-related comment attribute is stored in {{Metadata}}. For example, {noformat} StructType( StructField("cl1", IntegerType, nullable = false, new MetadataBuilder().putString("comment", "test").build()) :: Nil) {noformat} Compared with the existing SQL interface, it is not user friendly to add such a comment attribute when defining a {{StructField}}. was: Currently, the column-related comment attribute is stored in {{Metadata}}. For example, {{noformat}} StructType( StructField("cl1", IntegerType, nullable = false, new MetadataBuilder().putString("comment", "test").build()) :: Nil) {{noformat}} Compared with the existing SQL interface, it is not user friendly to add such a comment attribute when defining a {{StructField}}. > Add New Methods for Comments in StructField and StructType > ---------------------------------------------------------- > > Key: SPARK-16157 > URL: https://issues.apache.org/jira/browse/SPARK-16157 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.0.0 > Reporter: Xiao Li > > Currently, the column-related comment attribute is stored in {{Metadata}}. > For example, > {noformat} > StructType( > StructField("cl1", IntegerType, nullable = false, > new MetadataBuilder().putString("comment", "test").build()) :: Nil) > {noformat} > Compared with the existing SQL interface, it is not user friendly to add such > a comment attribute when defining a {{StructField}}. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org