[SPARK-19845] failed to uncache datasource table after the table location altered

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Incomplete
• Affects Version/s: 2.2.0
• Component/s: SQL
• Labels: bulk-closed
• Assignee: Unassigned
• Reporter: Song Jun
• Created: 07/Mar/17 01:34
• Updated: 21/May/19 04:12
• Resolved: 21/May/19 04:12

Description

Currently if we first cache a datasource table, then we alter the table location,
then we drop the table, uncache table will failed in the DropTableCommand, because the location has changed and sameResult for two InMemoryFileIndex with different location return false, so we can't find the table key in the cache.