Commit Graph

13 Commits

Author SHA1 Message Date
Alexey Milovidov
fe6b7c77c7 Rename "common" to "base" 2021-10-02 10:13:14 +03:00
Nikita Mikhaylov
c52b8ec083
Introduced MergeTask and MutateTask (#25165)
Introduced MergeTask and MutateTask
2021-09-17 00:19:58 +03:00
Vladimir Chebotarev
de5daa22ab Revert "MATERIALIZE COLUMN xxx FINAL"
This reverts commit bf1430c1ec.
2021-08-30 11:50:26 +03:00
Vladimir Chebotarev
06476089d9 Fixed PVS report. 2021-08-30 11:50:01 +03:00
Vladimir Chebotarev
0d6e0181d6 MATERIALIZE COLUMN xxx FINAL 2021-08-30 11:49:59 +03:00
Vladimir Chebotarev
ce0850007f 1. Draw some circles. 2021-08-30 11:49:26 +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
Ivan
315ff4f0d9
ANTLR4 Grammar for ClickHouse and new parser (#11298) 2020-12-04 05:15:44 +03:00
Vladimir Chebotarev
059357d51e
ALTER UPDATE/DELETE ... IN PARTITION with partition pruning in ReplicatedMergeTree (#13403)
Co-authored-by: Alexander Kazakov <Akazz@users.noreply.github.com>
2020-11-10 13:23:46 +03:00
Alexey Milovidov
edd89a8610 Fix half of typos 2020-08-08 03:47:03 +03:00
alesapin
daaa5cc382 Add setting allow_non_metadata_alters 2020-07-21 17:05:30 +03:00
alesapin
1cb072d58a Merge branch 'master' into alter_rename_column 2020-04-06 11:40:27 +03:00
Ivan Lezhankin
06446b4f08 dbms/ → src/ 2020-04-03 18:14:31 +03:00