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ChenHuajun / pg_roaringbitmap

RoaringBitmap extension for PostgreSQL
Apache License 2.0
218 stars 37 forks source link

is there the function similar as clickhouse's groupBitmapState? #14

Closed l1t1 closed 3 years ago

l1t1 commented 3 years ago

SELECT groupBitmapState(toUInt64(user_id)) FROM ods.analytics_access_log_local WHERE ts_date = today();

will create a big bitmap from int64 user_id whose ts_date = today()

l1t1 commented 3 years ago

rb_build_agg?