Michael Armbrust created SPARK-2135:
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Summary: InMemoryColumnarScan does not get planned correctly
Key: SPARK-2135
URL: https://issues.apache.org/jira/browse/SPARK-2135
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.0.0
Reporter: Michael Armbrust
Assignee: Michael Armbrust
Right now we do not have a logical concept for in memory data. This breaks
planning in several ways:
This sort of query fails to analyze:
{code}
TestSQLContext.sql("SELECT * FROM testData").registerAsTable("selectStar")
TestSQLContext.cacheTable("selectStar")
TestSQLContext.sql("SELECT * FROM selectStar WHERE key = 1").collect()
{code}
Also, we read all of the columns even when we don't need to.
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