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SedonaSQL supports many parameters. To change their values,

  1. Set it through SparkConf:
    sparkSession = SparkSession.builder().
          config("spark.kryo.registrator", "org.apache.sedona.core.serde.SedonaKryoRegistrator").
  2. Check your current SedonaSQL configuration:
    val sedonaConf = new SedonaConf(sparkSession.sparkContext.getConf)


    • Use spatial index (currently, only supports in SQL range join and SQL distance join)
    • Default: true
    • Possible values: true, false
    • Spatial index type, only valid when "" is true
    • Default: quadtree
    • Possible values: rtree, quadtree
  • sedona.join.gridtype
    • Spatial partitioning grid type for join query
    • Default: kdbtree
    • Possible values: quadtree, kdbtree
  • sedona.join.indexbuildside (Advanced users only!)
    • The side which Sedona builds spatial indices on
    • Default: left
    • Possible values: left, right
  • sedona.join.numpartition (Advanced users only!)
    • Number of partitions for both sides in a join query
    • Default: -1, which means use the existing partitions
    • Possible values: any integers
  • sedona.join.spatitionside (Advanced users only!)
    • The dominant side in spatial partitioning stage
    • Default: left
    • Possible values: left, right

Last update: August 16, 2022 08:03:14