Skip to content

README: Clarify strict mode #500

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
merged 3 commits into from
Oct 26, 2016
Merged

README: Clarify strict mode #500

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
f0a875a
README: Clarify strict mode
julienschmidt Oct 26, 2016
f973360
README: Set strict mode via sql_mode in DSN example
julienschmidt Oct 26, 2016
9623ddd
Merge branch 'master' into strict
arnehormann Oct 26, 2016
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
10 changes: 6 additions & 4 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -263,9 +263,11 @@ Valid Values: true, false
Default: false
```

`strict=true` enables the strict mode in which MySQL warnings are treated as errors.
`strict=true` enables a driver-side strict mode in which MySQL warnings are treated as errors. This mode should not be used in production as it may lead to data corruption in certain situations.

By default MySQL also treats notes as warnings. Use [`sql_notes=false`](http://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_sql_notes) to ignore notes. See the [examples](#examples) for an DSN example.
A server-side strict mode, which is safe for production use, can be set via the [`sql_mode`](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html) system variable.

By default MySQL also treats notes as warnings. Use [`sql_notes=false`](http://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_sql_notes) to ignore notes.


##### `timeout`
Expand Down Expand Up @@ -331,9 +333,9 @@ root:pw@unix(/tmp/mysql.sock)/myDatabase?loc=Local
user:password@tcp(localhost:5555)/dbname?tls=skip-verify&autocommit=true
```

Use the [strict mode](#strict) but ignore notes:
Treat warnings as errors by setting the system variable [`sql_mode`](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html):
```
user:password@/dbname?strict=true&sql_notes=false
user:password@/dbname?sql_mode=TRADITIONAL
```

TCP via IPv6:
Expand Down