Displaying 1 result from an estimated 1 matches for "engine_visitors".
2011 May 05
9
[threadsafe] Arel ToSql visitor is not threadsafe
Hey,
We hit a bug today because Arel::Visitors::ToSql is not threadsafe.
Here is what is happening:
Arel::Visitors::ENGINE_VISITORS is a cache of visitors instances.
These instances are not inherently threadsafe because it contains
state ''@last_column'', ''@connection'' that is shared between threads.
The other variables ''@pool'', ''@quoted_tables'' and '...