apache / datasketches-postgresql / 67a60d3e48da5f81f3e1abfe8de9434cad6ec57a / . / test / aod_sketch_test.sql

drop extension if exists datasketches cascade; | |

create extension datasketches; | |

drop table if exists aod_sketch_test; | |

create table aod_sketch_test(sketch aod_sketch); | |

-- default lgk | |

insert into aod_sketch_test | |

select aod_sketch_build(key, aod) | |

from (values (1, array[1]), (2, array[1]), (3, array[1]), (4, array[1]), (5, array[1])) as t(key, aod) | |

; | |

-- lgk = 16 | |

insert into aod_sketch_test | |

select aod_sketch_build(key, aod, 16) | |

from (values (4, array[1]), (5, array[1]), (6, array[1]), (7, array[1]), (8, array[1])) as t(key, aod) | |

; | |

select aod_sketch_get_estimate(sketch) from aod_sketch_test; | |

select aod_sketch_to_string(sketch) from aod_sketch_test; | |

-- default lgk | |

select aod_sketch_get_estimate(aod_sketch_union(sketch)) from aod_sketch_test; | |

-- lgk = 16 | |

select aod_sketch_get_estimate(aod_sketch_union(sketch, 16)) from aod_sketch_test; | |

select aod_sketch_get_estimate(aod_sketch_intersection(sketch)) from aod_sketch_test; | |

select aod_sketch_get_estimate(aod_sketch_a_not_b(aod_sketch_build(key1, aod1), aod_sketch_build(key2, aod2))) | |

from (values (1, array[1], 2, array[1]), (2, array[1], 3, array[1]), (3, array[1], 4, array[1])) as t(key1, aod1, key2, aod2); | |

select aod_sketch_to_kll_float_sketch(sketch, 1) from aod_sketch_test; | |

select aod_sketch_to_means(sketch) from aod_sketch_test; | |

select aod_sketch_to_variances(sketch) from aod_sketch_test; | |

select aod_sketch_students_t_test(aod_sketch_build(key1, aod1), aod_sketch_build(key2, aod2)) | |

from (values | |

(1, array[1], 1, array[1.1]), | |

(2, array[0.9], 2, array[1]), | |

(3, array[1.1], 3, array[1.2]), | |

(4, array[1], 4, array[1.1]) | |

) as t(key1, aod1, key2, aod2); | |

drop table aod_sketch_test; | |

drop extension datasketches; |