[ https://issues.apache.org/jira/browse/SPARK-23398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan Blue updated SPARK-23398: ------------------------------ Summary: DataSourceV2 should provide a way to get a source's schema. (was: DataSourceV2 should provide a way to get the source schema) > DataSourceV2 should provide a way to get a source's schema. > ----------------------------------------------------------- > > Key: SPARK-23398 > URL: https://issues.apache.org/jira/browse/SPARK-23398 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 2.3.0 > Reporter: Ryan Blue > Priority: Major > > To validate writes with DataSourceV2, the planner needs to get a source's > schema. The current API has no direct way to get that schema. SPARK-23321 > instantiates a reader to get the schema, but sources are not required to > implement {{ReadSupport}} or {{ReadSupportWithSchema}}. V2 should either add > a method to get the schema of a source, or require sources implement > {{ReadSupport}}. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org