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https://issues.apache.org/jira/browse/IGNITE-4425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15848193#comment-15848193
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Pavel Tupitsyn commented on IGNITE-4425:
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I agree.
Let's map {{ICollection.Contains}} to "IN", and do collection joins as a
separate ticket.
> .NET: Support "Array.Contains" in LINQ
> --------------------------------------
>
> Key: IGNITE-4425
> URL: https://issues.apache.org/jira/browse/IGNITE-4425
> Project: Ignite
> Issue Type: Improvement
> Components: platforms
> Reporter: Pavel Tupitsyn
> Assignee: Sergey Stronchinskiy
> Labels: .NET, LINQ
> Fix For: 2.0
>
>
> SQL supports IN queries and, as a better alternative, temporary table join,
> as described in the docs:
> https://apacheignite.readme.io/docs/sql-performance-and-debugging#sql-performance-and-usability-considerations
> Example SQL:
> {code}
> new SqlFieldsQuery("select p.name from Person p join table(id bigint = ?) i
> on p.OrgId = i.id", new object[] { new object[] {1,3}})
> {code}
> Add support in LINQ like this:
> {code}
> persons.AsCacheQueryable().Where(x => new[] {1,3}.Contains(x.Value.OrgId))
> {code}
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