EMPTY

All functions > CORE > EMPTY

Returns an EMPTY filling for empty parameters in functions.

Signatures

Returns: A special EMPTY constant value

EMPTY()EMPTY
sql
ParameterTypeRequiredDescription

Notes

  • Represents an empty or absent value
  • Used internally for optional parameters
  • Different from NULL - represents intentional absence
  • Part of the FeatureQL type system
  • Used in function signatures to indicate optional positions
Last update at: 2026/03/18 16:18:57
Last updated: 2026-03-18 16:19:34