Skip to content

Document that left-joins don't recognize transitive relationships in … #4773

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sougou merged 1 commit into from
Apr 3, 2019
Merged

Document that left-joins don't recognize transitive relationships in … #4773

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions go/vt/vtgate/planbuilder/testdata/unsupported_cases.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -440,3 +440,8 @@

"select func(keyspace_id) from user_index where id = :id"
"unsupported: expression on results of a vindex function"

# Multi-table unique vindex constraint on left table of left join, two levels of join, simple aggregation
# This should work, but doesn't. See https://github.com/vitessio/vitess/issues/4772
"select user.id, count(*) from user left join user_extra ue1 on user.id = ue1.user_id left join user_extra ue2 on ue1.user_id = ue2.user_id group by user.id"
"unsupported: cross-shard query with aggregates"