status-im
/
migrate
mirror of https://github.com/status-im/migrate.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Update FAQ.md 

Co-Authored-By: a-h <a-h@users.noreply.github.com>
This commit is contained in:
Dale Hui 2018-12-14 16:28:04 +00:00 committed by GitHub
parent 2e0b820637
commit 6f1479fa41
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
FAQ.md
View File

@ -65,6 +65,6 @@
and then "force" the expected version. and then "force" the expected version.
#### What happens if two programs try and update the database at the same time? #### What happens if two programs try and update the database at the same time?
Database-specific locking features are used by each migration driver to prevent multiple processes from attempting to migrate Database-specific locking features are used by *some* database drivers to prevent multiple instances of migrate from running migrations at the same time
the same database at the same time. For example, the MySQL driver uses the `GET_LOCK` function, while the Postgres driver uses the same database at the same time. For example, the MySQL driver uses the `GET_LOCK` function, while the Postgres driver uses
the `pg_advisory_lock` function. the `pg_advisory_lock` function.