JimShady commented on issue #1514:
URL: https://github.com/apache/sedona/issues/1514#issuecomment-2218260164

   Any ideas on how to work around this? The same query finishes in 3 seconds 
on my fairly modest PostgreSQL server!
   
   ```
   %sql
   
   WITH a_table AS (
   SELECT st_boundary(st_geomfromwkb(geom_wkb)) geom
   FROM   hive_metastore.gfk_bronze.albania_prefectures_2021
   UNION ALL
   SELECT st_boundary(st_geomfromwkb(geom_wkb)) geom
   FROM   hive_metastore.gfk_bronze.albania_municipalities_2021
   UNION ALL
   SELECT st_boundary(st_geomfromwkb(geom_wkb)) geom
   FROM   hive_metastore.gfk_bronze.albania_2_digit_postcode_areas_2021
   ),
   b_table AS (
   SELECT   geom
   FROM     a_table
   GROUP BY geom
   )
   SELECT   ST_Union_Aggr(geom) geom
   FROM     b_table
   ```
   
   ```
   java.lang.Exception: Results too large
        at 
com.databricks.backend.daemon.driver.OutputAggregator$.maybeApplyOutputAggregation(OutputAggregator.scala:458)
        at 
com.databricks.backend.daemon.driver.OutputAggregator$.withOutputAggregation0(OutputAggregator.scala:279)
   ```


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