Skip to content
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

Jump to bottom

Ignore conflicting concurrent storage writes of the same data with version="*" #1118

Open
wants to merge 6 commits into
base: master
Choose a base branch
from
Open

Ignore conflicting concurrent storage writes of the same data with version="*" #1118

Changes from 2 commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
f26d9fc
Ignore insert if it exists.
ftkg Oct 25, 2023
a5cbeba
Update core_storage.go
ftkg Oct 25, 2023
b01f633
return success if writing same data
ftkg Oct 25, 2023
bde48e5
Change to a concurrent safe query.
ftkg Oct 26, 2023
1f13eed
Update core_storage.go
ftkg Oct 26, 2023
3decf87
Update core_storage.go
ftkg Oct 26, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
3 changes: 2 additions & 1 deletion server/core_storage.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -699,10 +699,11 @@ func storagePrepBatch(batch *pgx.Batch, authoritativeWrite bool, op *StorageOpWr
query = `
INSERT INTO storage (collection, key, user_id, value, version, read, write, create_time, update_time)
VALUES ($1, $2, $3, $4, $5, $6, $7, now(), now())
ON CONFLICT (collection, key, user_id) DO NOTHING
redbaron marked this conversation as resolved.
Show resolved Hide resolved
RETURNING read, write, version, create_time, update_time`

// Outcomes:
// - NoRows - insert failed due to constraint violation (concurrent insert)
// - NoRows - insert was ignored due to constraint violation (concurrent insert or non-OCC existing row)
}

batch.Queue(query, params...)
Expand Down