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Resolves #647 - Fixes typos in Mongo advisory locking parameters #648

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Merged
merged 8 commits into from
Nov 5, 2021
Merged

Resolves #647 - Fixes typos in Mongo advisory locking parameters #648

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18dd02b
Resolves #647 - Fixes typos in Mongo advisory locking parameters
Oct 27, 2021
b63f099
PR Feedback for #647 - Error out when both params set
Nov 4, 2021
fa52996
Fixes lint issues with #647
Nov 5, 2021
2fe1563
Additional PR Fixes #647
Nov 5, 2021
4ba4318
Lint fixes again #647
Nov 5, 2021
868d692
One more tweak to CONTRIBUTING.md
Nov 5, 2021
dd50406
One more tweak to CONTRIBUTING.md, again
Nov 5, 2021
de8708a
Merge branch 'master' into issue-647
SJrX Nov 5, 2021
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4 changes: 2 additions & 2 deletions database/mongodb/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,8 @@
| `x-transaction-mode` | `TransactionMode` | If set to `true` wrap commands in [transaction](https://docs.mongodb.com/manual/core/transactions). Available only for replica set. Driver is using [strconv.ParseBool](https://golang.org/pkg/strconv/#ParseBool) for parsing|
| `x-advisory-locking` | `true` | Feature flag for advisory locking, if set to false, disable advisory locking |
| `x-advisory-lock-collection` | `migrate_advisory_lock` | The name of the collection to use for advisory locking.|
| `x-advisory-lock-timout` | `15` | The max time in seconds that the advisory lock will wait if the db is already locked. |
| `x-advisory-lock-timout-interval` | `10` | The max timeout in seconds interval that the advisory lock will wait if the db is already locked. |
| `x-advisory-lock-timeout` | `15` | The max time in seconds that migrate will wait to acquire a lock before failing. |
| `x-advisory-lock-timeout-interval` | `10` | The max time in seconds between attempts to acquire the advisory lock, the lock is attempted to be acquired using an exponential backoff algorithm. |
| `dbname` | `DatabaseName` | The name of the database to connect to |
| `user` | | The user to sign in as. Can be omitted |
| `password` | | The user's password. Can be omitted |
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13 changes: 11 additions & 2 deletions database/mongodb/mongodb.go
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Expand Up @@ -137,7 +137,16 @@ func (m *Mongo) Open(dsn string) (database.Driver, error) {
if err != nil {
return nil, err
}
maxLockingIntervals, err := parseInt(unknown.Get("x-advisory-lock-timout-interval"), DefaultLockTimeoutInterval)

lockTimeout := unknown.Get("x-advisory-lock-timeout-interval")

if lockTimeout == "" {
// The initial release had a typo for this argument but for backwards compatibility sake, we will keep supporting it.
lockTimeout = unknown.Get("x-advisory-lock-timout-interval")
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Thanks for preserving the old behavior! Let's return an error explaining that only one should be specified if both are specified.

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Is that really important. I am on vacation for a few days, but the only way that would happen is if someone looked in the source code to see this behavior as we aren't documenting both, so I'm not sure if it is the end of the world if we just use the correct one.

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This fix isn't urgent so can wait until you're back from vacation. Or I can make the change (based off of your change). I'd like to support existing users in a backwards compatible manner but also eliminate any confusion if both parameters are specified.

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Hows that @dhui ?

}

maxLockCheckInterval, err := parseInt(lockTimeout, DefaultLockTimeoutInterval)

if err != nil {
return nil, err
}
Expand All @@ -157,7 +166,7 @@ func (m *Mongo) Open(dsn string) (database.Driver, error) {
CollectionName: lockCollection,
Timeout: lockingTimout,
Enabled: advisoryLockingFlag,
Interval: maxLockingIntervals,
Interval: maxLockCheckInterval,
},
})
if err != nil {
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