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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-10253) SQL: Merge SqlQuery logic with SqlFieldsQuery
Date Tue, 05 Feb 2019 15:23:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-10253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov updated IGNITE-10253:
-------------------------------------
    Summary: SQL: Merge SqlQuery logic with SqlFieldsQuery  (was: Merge SqlQuery logic with
SqlFieldsQuery)

> SQL: Merge SqlQuery logic with SqlFieldsQuery
> ---------------------------------------------
>
>                 Key: IGNITE-10253
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10253
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>            Priority: Major
>             Fix For: 2.8
>
>
> Currently execution of {{SqlQuery}} query is very non-trivial. First, it is complex to
understand. Second, it duplicates code. Third, the most important - it is buggy. Because when
new logic is added to {{SqlFieldsQuery}} it is not added to {{SqlQuery}} with high probability.
Moreover, we even have discrepancies between local and non-local modes. E.g. it has different
value conversion logic. 
> We need to do the following:
> 1) Remove all {{SqlQuery}}-specific logic from {{GridQueryProcessor}} and {{IgniteH2Indexing}}
> 2) Make {{SqlQuery}} work as follows: 
> - generate {{SqlFieldsQuery}} from {{SqlQuery}}
> - execute it
> - convert results to K-V pairs



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