Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/14897#discussion_r80395895
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/views.scala ---
@@ -197,6 +201,45 @@ case class CreateViewCommand(
}
}
+
+/**
+ * Create or replace a local/global temporary view with given data source.
+ */
+case class CreateTempViewUsing(
+ tableIdent: TableIdentifier,
+ userSpecifiedSchema: Option[StructType],
+ replace: Boolean,
+ global: Boolean,
+ provider: String,
+ options: Map[String, String]) extends RunnableCommand {
+
+ if (tableIdent.database.isDefined) {
+ throw new AnalysisException(
+ s"Temporary view '$tableIdent' should not have specified a database")
+ }
+
+ def run(sparkSession: SparkSession): Seq[Row] = {
+ val dataSource = DataSource(
+ sparkSession,
+ userSpecifiedSchema = userSpecifiedSchema,
+ className = provider,
+ options = options)
+
+ val catalog = sparkSession.sessionState.catalog
+ val viewDefinition = Dataset.ofRows(
+ sparkSession,
LogicalRelation(dataSource.resolveRelation())).logicalPlan
+
+ if (global) {
+ catalog.createGlobalTempView(tableIdent.table, viewDefinition,
replace)
+ } else {
+ catalog.createTempView(tableIdent.table, viewDefinition, replace)
+ }
+
+ Seq.empty[Row]
+ }
+}
--- End diff --
Is this command moved from somewhere? If so, is it possible to move it in
the follow-up pr?
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