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https://issues.apache.org/jira/browse/CALCITE-4294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599688#comment-17599688
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Julian Hyde commented on CALCITE-4294:
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I just noticed your comments 'Add WKB support' and 'Add GeoJSON support'. So
there are new functions:
* ST_AsEWKT
* ST_AsGeoJSON
* ST_AsWKB
* ST_GeomFromGeoJSON
* ST_GeomFromWKB
* ST_GeomFromWKB
Since that's new functionality, I'm going to make it a new Jira case. (And a
separate line in the release notes.) There will be changes required to
spatial.iq and reference.md to complete the task.
I'll shortly commit what you have already (minus those functions).
> Use JTS rather than ESRI as the underlying library for geospatial (ST_)
> functions
> ---------------------------------------------------------------------------------
>
> Key: CALCITE-4294
> URL: https://issues.apache.org/jira/browse/CALCITE-4294
> Project: Calcite
> Issue Type: Bug
> Components: spatial
> Reporter: Julian Hyde
> Assignee: Bertil Chapuis
> Priority: Major
> Fix For: 1.32.0
>
>
> The geospatial functions are currently implemented using the ESRI library. We
> should consider using JTS instead. AT the time we started work on geospatial
> the JTS did not have a suitable license, but this is no longer the case. I
> gather that JTS is a superior library.
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