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https://issues.apache.org/jira/browse/IGNITE-10654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799658#comment-16799658
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Yury Gerzhedovich commented on IGNITE-10654:
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[~zstan], under the hood for all index _key added at the and. e.g. for user
index for NAME, AGE will be create NAME, AGE, _KEY index. It required for
guarantee uniques key
> Report in case of creating index with already existing fields collection.
> -------------------------------------------------------------------------
>
> Key: IGNITE-10654
> URL: https://issues.apache.org/jira/browse/IGNITE-10654
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Affects Versions: 2.7
> Reporter: Stanilovsky Evgeny
> Assignee: Stanilovsky Evgeny
> Priority: Major
> Fix For: 2.8
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Report in log if new index creating with already existing fields collection.
> for example, need to log warn here:
> {code:java}
> cache.query(new SqlFieldsQuery("create index \"idx1\" on Val(keyStr,
> keyLong)"));
> cache.query(new SqlFieldsQuery("create index \"idx3\" on Val(keyStr,
> keyLong)"));
> {code}
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