[jira] [Created] (IGNITE-8384) SQL: Secondary indexes should sort entries by links rather than keys

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

Vladimir Ozerov created IGNITE-8384:
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             Summary: SQL: Secondary indexes should sort entries by links rather than keys
                 Key: IGNITE-8384
                 URL: https://issues.apache.org/jira/browse/IGNITE-8384
             Project: Ignite
          Issue Type: Task
          Components: sql
    Affects Versions: 2.4
            Reporter: Vladimir Ozerov
             Fix For: 2.6


Currently we sort entries in secondary indexes as {{(idx_cols, KEY)}}. The key itself is not stored in the index in general case. It means that we need to perform a lookup to data page to find correct insertion point for index entry.

This could be fixed easily by sorting entries a bit differently - {{idx_cols, link}}. This is all we need.



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