Abeeujah opened a new pull request, #298:
URL: https://github.com/apache/sedona-db/pull/298
This PR implements `ST_Boundary as mentioned in #224
Interestingly Weird Observation, Postgis mentions on the site
```
Prior to 2.0.0, this function throws an exception if used with
`GEOMETRYCOLLECTION`. From 2.0.0 up it will return `NULL` instead (unsupported
input).
```
But if queried (Docker Image), I get a response
```sh
postgres=# SELECT ST_AsText(ST_Boundary('GEOMETRYCOLLECTION (POINT (0 0),
LINESTRING (0 0, 1 1), POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0)))'::geometry));
st_astext
-----------------------------------------------------------------------------------
GEOMETRYCOLLECTION(MULTIPOINT(EMPTY,(0 0),(1 1)),LINESTRING(0 0,1 0,1 1,0
1,0 0))
(1 row)
```
Current implementation returns Unsupported Input, looking forward to getting
the next line of action after review.
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