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28 Commits

Author SHA1 Message Date
Anton Popov
9e3af27f40 better performance of getSampleBlockForColumns 2021-07-15 20:36:48 +03:00
Anton Popov
5f71a6f5bb improve performance of getting columns list 2021-07-15 16:29:01 +03:00
Nikolai Kochetov
6bc0a628cd Remove PrewhereDAGInfo. 2021-06-25 17:49:28 +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
Denis Glazachev
dfde9de0e9 Remove commented-out code 2021-02-20 23:30:21 +04:00
Nikolai Kochetov
673e24d7ef Refactor 2021-02-20 14:00:16 +03:00
Nikolai Kochetov
ae73600fb0 Refactor row level security actions. 2021-02-15 22:48:06 +03:00
Denis Glazachev
45e90961f7 Store and process alias_actions in FilterInfo 2021-02-14 21:16:40 +04:00
Denis Glazachev
79592b73f8 Store filter info in prewhere info instead of multiple prewheres 
Some cleanups
 2021-02-14 02:07:13 +04:00
Denis Glazachev
4f6c880232 Pass and handle a chain of multiple prewhere infos 2021-01-25 18:31:59 +04:00
Anton Popov
40b5ffe3b5 minor renames 2020-12-22 18:06:12 +03:00
Anton Popov
245c395a68 Merge remote-tracking branch 'upstream/master' into HEAD 2020-11-06 22:00:32 +03:00
Mikhail Filimonov
41971e073a
Fix typos reported by codespell 2020-10-27 12:04:03 +01:00
Anton Popov
600dbc9387 fix rename of columns 2020-10-23 20:57:17 +03:00
Anton Popov
13917969ab better storing info about subcolumns 2020-09-18 20:37:08 +03:00
Anton Popov
edc2fe2226 Merge remote-tracking branch 'upstream/master' into HEAD 2020-09-18 17:51:54 +03:00
Anton Popov
cb4801e3be allow to read subcolumns of complex types 2020-09-18 02:12:43 +03:00
alesapin
cbe85327e2 Check stack size 2020-09-16 16:24:07 +03:00
alesapin
e20c54998c Better exception on non physical columns 2020-09-15 16:29:11 +03:00
alesapin
8828a78174 Fix alias on default columns 2020-09-15 14:17:58 +03:00
alesapin
dffdece350 getColumns in StorageInMemoryMetadta (only compilable) 2020-06-17 19:39:58 +03:00
alesapin
26606dd640 Fix polymorphic parts 2020-05-15 13:36:35 +03:00
alesapin
6cfe0f7046 Fix after refactoring 2020-04-27 18:20:03 +03:00
alesapin
5c6316afbc Fix bug 2020-04-27 18:10:50 +03:00
alesapin
e85b50c911 Revert "Strange fix, how it was possible earlier?" 
This reverts commit 8d20644c99.
 2020-04-27 17:17:12 +03:00
alesapin
8d20644c99 Strange fix, how it was possible earlier? 2020-04-27 17:12:54 +03:00
alesapin
b4425c2dc4 Remove getColumn and hasColumn methods from IStorage 2020-04-24 13:20:03 +03:00
Ivan Lezhankin
06446b4f08 dbms/ → src/ 2020-04-03 18:14:31 +03:00