Terry Kim created SPARK-33786:
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Summary: Cache's storage level is not respected when a table name
is altered.
Key: SPARK-33786
URL: https://issues.apache.org/jira/browse/SPARK-33786
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.2.0
Reporter: Terry Kim
To repro:
{code:java}
Seq(1 -> "a").toDF("i", "j").write.parquet(path.getCanonicalPath)
sql(s"CREATE TABLE old USING parquet LOCATION '${path.toURI}'")
sql("CACHE TABLE old OPTIONS('storageLevel' 'MEMORY_ONLY')")
val oldStorageLevel = getStorageLevel("old")
sql("ALTER TABLE old RENAME TO new")
val newStorageLevel = getStorageLevel("new")
assert(oldStorageLevel === newStorageLevel)
{code}
The assert fails:
Expected :StorageLevel(disk, memory, deserialized, 1 replicas)
Actual :StorageLevel(memory, deserialized, 1 replicas)
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