[GitHub] [arrow-datafusion] Dandandan commented on a diff in pull request #5520: INSERT INTO support for MemTable

["Dandandan (via GitHub)" <gi...@apache.org>]

Dandandan commented on code in PR #5520:
URL: https://github.com/apache/arrow-datafusion/pull/5520#discussion_r1131270474


##########
datafusion/core/src/execution/context.rs:
##########
@@ -318,6 +319,19 @@ impl SessionContext {
         let plan = self.state().create_logical_plan(sql).await?;
 
         match plan {
+            LogicalPlan::Dml(DmlStatement {
+                table_name,
+                op: WriteOp::Insert,
+                input,
+                ..
+            }) => {
+                if self.table_exist(&table_name)? {

Review Comment:
   This should return an error if the table does not exist.



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