ant_nebula created SPARK-21607:
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Summary: Can dropTempView function add a param like
dropTempView(viewName: String, dropSelfOnly: Boolean)
Key: SPARK-21607
URL: https://issues.apache.org/jira/browse/SPARK-21607
Project: Spark
Issue Type: Request
Components: SQL
Affects Versions: 2.2.0
Reporter: ant_nebula
AS SPARK-19765, from version 2.1.1, UNCACHE TABLE also un-cache all cached
plans that refer to this table.
My scene like this picture below. When I have finished step 1, I cannot do
dropTempView "ods_table1" and "dwd_table2", util I also finish step 2. It waste
a lot of memory.
Can dropTempView function add a param like dropTempView(viewName: String,
dropSelfOnly: Boolean). As my scene, After dropTempView "dwd_table2",
"dw_table3" would still keep cache in memory.
Or add a new feacture: supports create materialized views.
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