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`rf_agg_local_mean` error with ProjectedRaster type #333

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vpipkt opened this issue Sep 5, 2019 · 1 comment
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@vpipkt vpipkt commented Sep 5, 2019

Initially saw this in doing a df.groupby.agg(rf_agg_local_mean('proj_raster)) in Python. The use of rf_tile was the immediate work around.

I don't understand the cast error, but I suspect a red herring here.

I will file a PR with a (ignored) unit test.

java.lang.ClassCastException: java.lang.Double cannot be cast to org.apache.spark.unsafe.types.UTF8String
	at org.apache.spark.sql.catalyst.expressions.BaseGenericInternalRow$class.getUTF8String(rows.scala:46)
	at org.apache.spark.sql.catalyst.expressions.GenericInternalRow.getUTF8String(rows.scala:195)
@vpipkt vpipkt added the bug label Sep 5, 2019
@vpipkt vpipkt mentioned this issue Sep 5, 2019
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@metasim metasim self-assigned this Sep 6, 2019
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@metasim metasim commented Sep 6, 2019

@vpipkt

I don't understand the cast error, but I suspect a red herring here.

FWIW, the error is technically on point because what's going on is that the struct layout of proj_raster has a double in the first field, but TileUDT expects the first field to be a string... basically a clear sign I missed this use case.
metasim added a commit to s22s/rasterframes that referenced this issue Sep 6, 2019
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Fix for locationtech#333 and additional tests in that vein.
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metasim added a commit that referenced this issue Sep 6, 2019
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Merge pull request #337 from s22s/fix/333
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60c4917 
Fix for #333 and additional tests in that vein.
@metasim metasim closed this Sep 6, 2019
metasim added a commit to s22s/rasterframes that referenced this issue Sep 13, 2019
@metasim
Merge branch 'develop' into astraea/release
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e71a0c4 
* develop: (254 commits)
  Incorporated PR feedback.
  Make python RasterSourceTest.test_list_of_list_of_str clearer, more stable
  Propagate errors encountered in RasterSourceToRasterRefs. Closes locationtech#267.

  Updated release notes.
  Switched Explode tiles to use UnsafeRow for slight improvement on memory pressure. Reworked TileExplodeBench
  Changed CatalystSerialize implementations to store scheams as fields rather than methods.
  Benchmark and fix for CellType reification issue. Closes locationtech#343
  PR feedback edits.
  Fleshed out details on using Scala. Closes locationtech#324
  Fixes locationtech#338.
  Tweaked parquet I/O tests to trigger UDT issue.
  Normalize RasterSourceDataSource param names between python and SQL
  PR feedback
  Run python tile exploder test for projected raster
  Fix for locationtech#333 and additional tests in that vein.
  Add failing unit test for issue 333, error in rf_agg_local_mean
  Updated ExplodeTiles to work with proj_raster type.
  Ignoring RGB composite tests until next round of improvements.
  IT test build fix.
  Incremental work on refactoring aggregate raster creation.
  ...
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