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https://issues.apache.org/jira/browse/IGNITE-19709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17732046#comment-17732046
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Evgeny Stanilovsky commented on IGNITE-19709:
---------------------------------------------
SqlBenchmark with little changing of query for:
{noformat}
plan = gatewayNode.prepare("select substring('long_string', 1, 5)");
{noformat}
i.e. one node mapping, shows :
{noformat}
ignite-19709
Benchmark Mode Cnt Score Error Units
SqlBenchmark.selectAllSimple thrpt 20 30138.583 ± 1041.664 ops/s
main: 89eb752c9981f0880de7024932
Benchmark Mode Cnt Score Error Units
SqlBenchmark.selectAllSimple thrpt 20 28720.337 ± 1005.199 ops/s
{noformat}
> Sql. Remove reflection call from mapping implementation.
> --------------------------------------------------------
>
> Key: IGNITE-19709
> URL: https://issues.apache.org/jira/browse/IGNITE-19709
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Affects Versions: 3.0.0-beta1
> Reporter: Evgeny Stanilovsky
> Assignee: Evgeny Stanilovsky
> Priority: Major
> Labels: calcite3-required, ignite-3
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Mapping implemented through reflection call (IgniteMdFragmentMapping), it`s
> hard to debug and seems can be implemented more clear, need to refactor.
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