Sample C++ code for LAP with Custom C++ UDTF
BHIFP
Vertica Customer ✭
Would like to test out LAP with custom C++ UDTF similar to below found at the bottom of
https://www.vertica.com/docs/10.1.x/HTML/Content/Authoring/AnalyzingData/AggregatedData/UDTSupport.htm, but I couldn't find the UDTF code for aggregated_proj and stv_intersect anywhere.
Please share a link. Thanks
CREATE TABLE points( point_id INTEGER, point_type VARCHAR(10), coordinates GEOMETRY(100)); CREATE PROJECTION aggregated_proj AS SELECT point_type, aggregate_classified_points( sq.point_id, sq.polygon_id) OVER (PARTITION BATCH BY point_type) FROM (SELECT point_type, stv_intersect( point_id, coordinates USING PARAMETERS index=‘polygons’ ) OVER (PARTITION PREPASS BY point_type) AS (point_id, polygon_id) FROM points) sq;
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Answers
@BHIFP I'm asking the documentation team about this description now.