Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/15024#discussion_r79120516 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala --- @@ -410,15 +417,22 @@ private[spark] class HiveExternalCatalog(conf: SparkConf, hadoopConf: Configurat if (DDLUtils.isDatasourceTable(withStatsProps)) { val oldDef = client.getTable(db, withStatsProps.identifier.table) - // Sets the `schema`, `partitionColumnNames` and `bucketSpec` from the old table definition, - // to retain the spark specific format if it is. Also add old data source properties to table - // properties, to retain the data source table format. - val oldDataSourceProps = oldDef.properties.filter(_._1.startsWith(DATASOURCE_PREFIX)) + // get the data source properties from old table definition, and add the new location entry. + val dataSourceProps = oldDef.properties.filter(_._1.startsWith(DATASOURCE_PREFIX)) ++ + tableDefinition.storage.locationUri.map { location => + DATASOURCE_LOCATION -> location + } val newDef = withStatsProps.copy( + // TODO: we may break the hive-compatibility format for location URI here, we should follow + // `createTable` and try to alter the table with `locationUri` set, if it's failed, then set --- End diff -- if this is true, we may have a bug when create table with hive compatible format, i.e. we may create a managed table with a file path location, and successfully save it in hive metastore. Then we could get an exception when reading/writing this table. cc @yhuai do we really wanna support file path location for data source tables?
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