6 Commits

Author	SHA1	Message	Date
Han Fei	f5c9d278ad	use statistic to order prewhere conditions better	2023-08-09 22:57:49 +02:00
Alexey Milovidov	fe6b7c77c7	Rename "common" to "base"	2021-10-02 10:13:14 +03:00
Amos Bird	264cff6415	Projections ... TODO (suggested by Nikolai) 1. Build query plan fro current query (inside storage::read) up to WithMergableState 2. Check, that plan is simple enough: Aggregating - Expression - Filter - ReadFromStorage (or simplier) 3. Check, that filter is the same as filter in projection, and also expression calculates the same aggregation keys as in projection 4. Return WithMergableState if projection applies 3 will be easier to do with ActionsDAG, cause it sees all functions, and dependencies are direct (but it is possible with ExpressionActions also) Also need to figure out how prewhere works for projections, and row_filter_policies. wip	2021-05-11 18:12:23 +08:00
Artem Zuikov	51ba12c2c3	Try speedup build (#14809)	2020-09-15 12:55:57 +03:00
Alexey Milovidov	edd89a8610	Fix half of typos	2020-08-08 03:47:03 +03:00
Ivan Lezhankin	06446b4f08	dbms/ → src/	2020-04-03 18:14:31 +03:00