10 Commits

Author	SHA1	Message	Date
alesapin	50121e42f3	Enable projections and zero copy replication	2022-09-09 18:38:02 +02:00
Alexey Milovidov	7f2ffb277e	Fix test	2022-03-24 02:36:11 +01:00
alesapin	25c0b07e68	Disable some tests	2022-02-04 14:31:58 +03:00
Amos Bird	a113acc40c	Fix empty key	2021-05-14 22:54:14 +08:00
Amos Bird	8de016d33a	Fix empty key projection query analysis	2021-05-14 22:26:26 +08:00
Amos Bird	dfa5629071	Remove projection type ast	2021-05-11 18:12:29 +08:00
Amos Bird	ba17acbd63	Fix tests	2021-05-11 18:12:28 +08:00
Amos Bird	e1e560765c	Fix missing columns	2021-05-11 18:12:27 +08:00
Amos Bird	483bd165e7	Check if pipeline is simple and add more comments	2021-05-11 18:12:26 +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