Yash Datta created SPARK-6471:
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Summary: Metastoreschema should only be a subset of parquetSchema
to support dropping of columns using replace columns
Key: SPARK-6471
URL: https://issues.apache.org/jira/browse/SPARK-6471
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.3.0
Reporter: Yash Datta
Fix For: 1.4.0
Currently in the parquet relation 2 implementation, error is thrown in case
merged schema is not exactly the same as metastore schema.
But to support cases like deletion of column using replace column command, we
can relax the restriction so that even if metastore schema is a subset of
merged parquet schema, the query will work.
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