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https://issues.apache.org/jira/browse/HIVE-23297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marton Bod reassigned HIVE-23297:
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> Precompile statements where needed across TxnHandler
> ----------------------------------------------------
>
> Key: HIVE-23297
> URL: https://issues.apache.org/jira/browse/HIVE-23297
> Project: Hive
> Issue Type: Improvement
> Reporter: Marton Bod
> Assignee: Marton Bod
> Priority: Major
>
> There are multiple places in TxnHandler that could benefit from pre-compiling
> sql queries using prepared statements. Some queries are complex in structure
> (e.g. checkLock) and we use string concats to recreate them every time the
> query is to run, in addition to re-parsing the query structure as well.
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