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secondo/Algebras/PlugJoin/PlugJoin.examples

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2026-01-23 17:03:45 +08:00
Database: berlintest
Restore : No
Operator : spatialjoin0
Number : 1
Signature: stream(tuple([x_1 : t_1, ... x_n : t_n])) x stream (tuple([y_1 : t_1,...,y_m : t_m])) x x_i x y_i -> stream(tuple([x_1 : t_1,...,x_n : t_n, y_1 : t_1, ..., y_m : t_m])) ; with x_i, y_i in {SPATIAL2D, rect, rect3, rect4}
Example : query Flaechen feed {Flaeche} Sehenswuerdreg feed{PoI} spatialjoin0 [ GeoData_Flaeche, GeoData_PoI] project[Name_Flaeche,Name_PoI] count
Result : 50