Todd Lipcon created IMPALA-7321:
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Summary: Write permissions checks for insert into multi-level
partitioned table are incorrect
Key: IMPALA-7321
URL: https://issues.apache.org/jira/browse/IMPALA-7321
Project: IMPALA
Issue Type: Bug
Components: Frontend
Reporter: Todd Lipcon
Currently, the logic to determine whether a table has write access is a bit
incorrect: we check each existing partition, and we check the top-level
location for the table. However, if a table uses partitioning on multiple
levels, we could have the following situation:
table/ (read-write)
table/x=1/ (read-only)
table/x=1/y=1/ (read-write)
In this case, the table would pass the check and be determined to be "writable"
but in fact an attempt to create a new partition such as x=1/y=2 would fail in
the backend.
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