gen4: outer joins #8312
Merged
gen4: outer joins #8312
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
systay
added
Component: Query Serving
Type: Enhancement
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
frouioui
force-pushed
the
gen4-outer-join
branch
from
bc15671 to
04179d2
Compare
…eryGraph Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Co-authored-by: Andres Taylor <andres@planetscale.com> Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Co-authored-by: Andres Taylor <andres@planetscale.com> Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
(NoDeps, removal of keyspace name) Co-authored-by: Andres Taylor <andres@planetscale.com> Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
harshit-gangal
force-pushed
the
gen4-outer-join
branch
from
2b542e0 to
7416b90
Compare
harshit-gangal
approved these changes
Jun 23, 2021
GuptaManan100
approved these changes
Jun 23, 2021
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Description
Teaches gen4 how to plan outer joins.
The big change is that we had to introduce a new abstraction - the operator tree.
Before this PR, gen4 turned queries into query graphs for planning. That is not enough to handle outer joins well, so we introduced the operator tree, which can be or contain a querygraph to represent the query.
Related Issue(s)
#7280
Checklist