Partiition Metadata and Table Metadata
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Key: HIVE-957
URL: https://issues.apache.org/jira/browse/HIVE-957
Project: Hadoop Hive
Issue Type: Bug
Reporter: He Yongqiang
Right now, we choose to use partition lever metadata. All metadata (column
names, column types, fileformat, serde class, serde properties) right now are
from partition level metadata. But hive does not support a method now to alter
all existing partitions' metadata, so users mostly choose to alter table
metadata, and think hive will use the new table level metadata.
One approach is that we may need to provide a way to let user alter all
partitions' metadata with one simple command. Right now a short term solution
is to only get fileformat, serde class metadata from paritition level metadata,
and use all other metadata from table.
any comments?
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