[jira] [Updated] (IGNITE-15128) Calcite: Take own control of SQL functions

["Dmitry Pavlov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-15128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Pavlov updated IGNITE-15128:
-----------------------------------
    Summary: Calcite: Take own control of SQL functions  (was: Take own control of SQL functions)

> Calcite: Take own control of SQL functions
> ------------------------------------------
>
>                 Key: IGNITE-15128
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15128
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Yury Gerzhedovich
>            Assignee: Aleksey Plekhanov
>            Priority: Major
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> As of now, we use a set of 4 database function dialects:
> SqlLibrary.STANDARD,
> SqlLibrary.POSTGRESQL,
> SqlLibrary.ORACLE,
> SqlLibrary.MYSQL
> Seems we should have owned our dialect with a subset of the aforementioned functions and have the ability to modify already exists functions and add a new one.
> During implementation need to sort out similar functions and choose just one of them to avoid duplication, 
> See :
> org.apache.calcite.util.BuiltInMethod
> org.apache.calcite.sql.fun.SqlLibraryOperators
> org.apache.calcite.runtime.SqlFunctions
> org.apache.ignite.internal.processors.query.calcite.exec.exp.RexImpTable



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