Jihoon Son created TAJO-1939:
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Summary: Implement PgSQLTablespace::getTableVolume() method
Key: TAJO-1939
URL: https://issues.apache.org/jira/browse/TAJO-1939
Project: Tajo
Issue Type: Task
Components: JDBC Storage
Reporter: Jihoon Son
Fix For: 0.11.1
Table volume has an important role in query planning. Tajo's query optimizer
makes many decisions based on table volume, because it is currently the only
available statistics.
However, PgSQLTablespace doesn't support getTableVolume() method, so our plan
is not good when the query involves any pgsql tables.
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