ES|QL spatial functions

ES|QL supports several spatial functions, all of which are aligned with the underlying spatial index grid used in Lucene:

• Geospatial predicates
  • ST_DISTANCE
  • ST_INTERSECTS
  • ST_DISJOINT
  • ST_CONTAINS
  • ST_WITHIN
• Geometry functions
  • ST_X
  • ST_Y
  • ST_NPOINTS
  • ST_SIMPLIFY
• ST_ENVELOPE
  • ST_XMAX
  • ST_XMIN
  • ST_YMAX
  • ST_YMIN
• Grid encoding functions
  • ST_GEOTILE
  • ST_GEOHEX
  • ST_GEOHASH