Csaba Ringhofer created IMPALA-13545:
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Summary: Make it possible to limit users from changing some query
options
Key: IMPALA-13545
URL: https://issues.apache.org/jira/browse/IMPALA-13545
Project: IMPALA
Issue Type: Improvement
Components: Backend, Frontend
Reporter: Csaba Ringhofer
Currently any user can set any query option at session level while options can
have global effect, e.g. through huge resource consumption.
Some thoughts on how to implement this:
- a flag could be added to list the query options where changing the default is
allowed / disallowed
- the existing query option levels could be used, e.g. only allow
TQueryOptionLevel::REGULAR option to be changed
- it could be useful to still allow changing all query options for admin users,
for example by listing them in flag (like for proxy users) or assume that users
with full server privileges are admin users
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