Vladimir Ozerov created IGNITE-9256:
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Summary: SQL: make sure that fetched results are cleared from
iterator when last element is fetched
Key: IGNITE-9256
URL: https://issues.apache.org/jira/browse/IGNITE-9256
Project: Ignite
Issue Type: Bug
Components: sql
Affects Versions: 2.6
Reporter: Vladimir Ozerov
Assignee: Sergey Grimstad
Fix For: 2.7
In practice it is possible for user to forget to nullify Ignite's result set
after iteration is finished. Or he may delay cleanup for some reason.
The problem is that we hold the whole H2's result set inside our iterator even
after all results are delivered to the user.
We should forcibly close and then nullify all H2 objects once all results are
returned.
Key code pieces:
{{IgniteH2Indexing.executeSqlQueryWithTimer}} - how we get result from H2
{{H2ResultSetIterator}} - base iterator with H2 objects inside
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