Change Details

This works by adding a RW lock on the row of the latest visit, which should block other transactions until the insertion is committed; so other transactions will generate a different (larger) visit id Resolves T4444.

This works by adding a RW lock on the row of the latest visit, which should block other transactions until the insertion is committed; so other transactions will generate a different (larger) visit id This commit also slightly rewrites how the max visit id is computed, as we need to actually select a row to lock it, instead of using the `max()` aggregate function. Resolves T4444.

This works by adding a RW lock on the row of the latest visit, which should block other transactions until the insertion is committed; so other transactions will generate a different (larger) visit id This commit also slightly rewrites how the max visit id is computed, as we need to actually select a row to lock it, instead of using the `max()` aggregate function. Resolves T4444.