doublen_to_point geoaggstate_check geoaggstate_check_state geoaggstate_check_temp tpoint_extent_transfn tpoint_tcentroid_transfn tpoint_transform_tcentroid tpointdiscseq_transform_tcentroid tpointinst_tcentroid_finalfn tpointinst_transform_tcentroid tpointseq_tcentroid_finalfn tpointseq_transform_tcentroid tpointseqset_transform_tcentroid

geoaggstate_check() void geoaggstate_check ( const SkipList *  state, int32_t  srid, bool  hasz  ) Aggregate functions for temporal points. The only functions currently provided are extent and temporal centroid. Check the validity of the temporal point values for aggregation