[jira] [Updated] (CALCITE-4186) Add ST_Covers, ST_CoveredBy, ST_Relate spatial functions

["Julian Hyde (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-4186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde updated CALCITE-4186:
---------------------------------
    Fix Version/s: 1.33.0

> Add ST_Covers, ST_CoveredBy, ST_Relate spatial functions
> --------------------------------------------------------
>
>                 Key: CALCITE-4186
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4186
>             Project: Calcite
>          Issue Type: Bug
>          Components: spatial
>            Reporter: Julian Hyde
>            Assignee: Bertil Chapuis
>            Priority: Major
>             Fix For: 1.33.0
>
>
> Add {{ST_Covers}}, {{ST_CoveredBy}}, {{ST_Relate}} spatial functions.
> There are [subtle differences between ST_Contains and ST_Covers|http://lin-ear-th-inking.blogspot.com/2007/06/subtleties-of-ogc-covers-spatial.html]; {{ST_Covers}} is usually what you want, and is easier to compute.
> Extend the Hilbert spatial index (added in CALCITE-1861) to handle {{ST_Covers}}, {{ST_CoveredBy}}, {{ST_ContainsPropertly}} as it does {{ST_DWithin}} and {{ST_Contains}}.
> It might make sense to also implement {{ST_ExteriorRing}} so that we can implement the [PostGIS example|https://postgis.net/docs/ST_Covers.html].



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