Julian Hyde created CALCITE-4552:
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Summary: Interpreter does not close resources held by its Nodes on
close
Key: CALCITE-4552
URL: https://issues.apache.org/jira/browse/CALCITE-4552
Project: Calcite
Issue Type: Bug
Environment: When closing Interpreter, close resources held by its
Nodes.
Currently, if a node is based on a JdbcTableScan, and the Interpreter's results
have not been read to completion, the statement will still be open, and the
JDBC connection will not be returned to the pool. This can cause a hang,
waiting for a connection, if you allocate and deallocate lots of Interpreter
instances.
Reporter: Julian Hyde
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