Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14114#discussion_r70305811
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -425,10 +443,11 @@ class SessionCatalog(
def tableExists(name: TableIdentifier): Boolean = synchronized {
val db = formatDatabaseName(name.database.getOrElse(currentDb))
val table = formatTableName(name.table)
- if (name.database.isDefined || !tempTables.contains(table)) {
- externalCatalog.tableExists(db, table)
+ if (name.database.isEmpty && tempTables.contains(table)) {
--- End diff --
Yep. I thought like that at the first commit. But, there is a testcase
violation. The following case should be allowed.
```
CREATE TEMPORARY VIEW t ...
CREATE VIEW t
```
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