15 Commits

Author	SHA1	Message	Date
Amos Bird	feb3a12d34	fix	2021-11-17 23:11:23 +08:00
Amos Bird	7b9a19f066	enhance minmax_count projection	2021-11-17 22:05:57 +08:00
Amos Bird	05d93796dc	Fix minmax_count projection with primary key in partition expr	2021-10-19 23:36:07 +08:00
Amos Bird	9ceb668a4d	Fix TSan	2021-10-16 18:13:41 +08:00
Amos Bird	77c4a5fa18	Better	2021-10-16 18:13:41 +08:00
Amos Bird	77a2022cf5	Add primary key to minmax_count_projection	2021-10-16 18:13:41 +08:00
Amos Bird	6b3cd34cff	Disable projections when ARRAY JOIN is used.	2021-09-18 08:15:59 +08:00
Mike Kot	8e9aacadd1	Initial: replacing hardcoded toString for enums with magic_enum	2021-09-06 16:24:03 +02:00
Amos Bird	b68857d086	Simplify projection, add minmax_count projection.	2021-08-28 11:25:37 +08:00
Amos Bird	0169fce78e	Projection bug fixes and refactoring.	2021-08-26 19:09:31 +08:00
Amos Bird	edd23d06ad	Fix alter table drop projection if exists	2021-05-28 21:27:36 +08:00
Amos Bird	35961c0c5d	Use ActionsDAG to rewrite projection queries	2021-05-11 18:12:27 +08:00
Nikolai Kochetov	bf95b684a7	Remove copy constructor from ProjectionDescription	2021-05-11 18:12:27 +08:00
Nikolai Kochetov	29d7038e30	Add ProjectionDescription::Type enum. Remove some checks.	2021-05-11 18:12:27 +08:00
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