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chdb-io / chdb

chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
https://clickhouse.com/docs/en/chdb
Apache License 2.0
2.03k stars 72 forks source link

Fix common bug of aggregation slow #32

Closed auxten closed 1 year ago

auxten commented 1 year ago

Fix aggregation slow on CSV #31, not perfect fix. Maybe it's a bug on Clickhouse WriteBufferFromVector. Will follow up later.