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Fixes bug in time_slices to work with large queries
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## Bug fixes in data UDTF's | ||
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Time slices would be buggy when running as part of a large query. To fix them, please run — | ||
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~~~ | ||
USE SCHEMA data; | ||
CREATE OR REPLACE FUNCTION time_slices (n NUMBER, s TIMESTAMP_NTZ, e TIMESTAMP_NTZ) | ||
RETURNS TABLE ( slice_start TIMESTAMP_NTZ, slice_end TIMESTAMP_NTZ ) | ||
AS ' | ||
SELECT DATEADD(sec, DATEDIFF(sec, s, e) * ROW_NUMBER() OVER (ORDER BY SEQ4()) / n, s) AS slice_start | ||
, DATEADD(sec, DATEDIFF(sec, s, e) * 1 / n, slice_start) AS slice_end | ||
FROM TABLE(GENERATOR(ROWCOUNT => n)) | ||
' | ||
; | ||
CREATE OR REPLACE FUNCTION time_slices (n NUMBER, s TIMESTAMP_LTZ, e TIMESTAMP_LTZ) | ||
RETURNS TABLE ( slice_start TIMESTAMP_LTZ, slice_end TIMESTAMP_LTZ ) | ||
AS ' | ||
SELECT DATEADD(sec, DATEDIFF(sec, s, e) * ROW_NUMBER() OVER (ORDER BY SEQ4()) / n, s) AS slice_start | ||
, DATEADD(sec, DATEDIFF(sec, s, e) * 1 / n, slice_start) AS slice_end | ||
FROM TABLE(GENERATOR(ROWCOUNT => n)) | ||
' | ||
; | ||
~~~ |
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