[GitHub] [spark] LantaoJin commented on a change in pull request #26097: [SPARK-29421][SQL] Supporting Create Table Like Using Provider

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LantaoJin commented on a change in pull request #26097: [SPARK-29421][SQL] Supporting Create Table Like Using Provider
URL: https://github.com/apache/spark/pull/26097#discussion_r340998792
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala
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 @@ -57,24 +56,36 @@ import org.apache.spark.sql.util.SchemaUtils
  * The CatalogTable attributes copied from the source table are storage(inputFormat, outputFormat,
  * serde, compressed, properties), schema, provider, partitionColumnNames, bucketSpec.
  *
+ * Use "CREATE TABLE t1 LIKE t2 STORED AS file_format"
+ * to specify new file format for t1 from a Hive table t2.
+ * Use "CREATE TABLE t1 LIKE t2 USING file_format"
+ * to specify new file format for t1 from a data source table t2.
+ *
  * The syntax of using this command in SQL is:
  * {{{
  *   CREATE TABLE [IF NOT EXISTS] [db_name.]table_name
- *   LIKE [other_db_name.]existing_table_name [locationSpec]
+ *   LIKE [other_db_name.]existing_table_name [locationSpec] [USING provider]
  * }}}
  */
 case class CreateTableLikeCommand(
     targetTable: TableIdentifier,
     sourceTable: TableIdentifier,
     location: Option[String],
-    ifNotExists: Boolean) extends RunnableCommand {
+    ifNotExists: Boolean,
+    provider: Option[String]) extends RunnableCommand {
 
   override def run(sparkSession: SparkSession): Seq[Row] = {
     val catalog = sparkSession.sessionState.catalog
     val sourceTableDesc = catalog.getTempViewOrPermanentTableMetadata(sourceTable)
 
     val newProvider = if (sourceTableDesc.tableType == CatalogTableType.VIEW) {
       Some(sparkSession.sessionState.conf.defaultDataSourceName)
 
 Review comment:
   Yes. I will fix this.

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