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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/03 07:25:59 UTC
[GitHub] [spark] cloud-fan commented on issue #27185: [SPARK-30494][SQL]
Avoid duplicated cached RDD when replace an existing view
cloud-fan commented on issue #27185: [SPARK-30494][SQL] Avoid duplicated cached RDD when replace an existing view
URL: https://github.com/apache/spark/pull/27185#issuecomment-581274289
shall we further generalize it? Currently we un-cache tables in several commands like DROP TABLE, TRUNCATE TABLE, etc. and now we find more missing places like CREATE VIEW.
Instead of un-caching tables in the commands, I feel it's better to do it in low-level basic operations like `SessionCatalog.dropTable`.
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