| Commit message (Collapse) | Author | Age | Files | Lines |
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It implements a yieldable interface that is used to re-load the
Collection pointer from the catalog after a yield that released locks.
With lock-free reads and copy-on-write on Collection instances releasing
locks without notifying an AutoGetCollection at a higher level may cause
its pointers to dangle if a MODE_X writer installs a new Collection
instance in the catalog.
CollectionPtr should be passed by const reference so a yield can notify
all the way up.
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catalog that returns collection as shared_ptr<const Collection>
AutoGetCollectionForRead and AutoGetCollectionForReadCommand now uses this and holds the shared_ptr. They return the collection as const.
Const correct various places to make this possible.
Moved some logic from Collection destructors to deregister from the catalog as they may now be destroyed at a later point.
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This patch includes also moves ownership of the collator to the ExpressionContext.
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keeping a Collection*.
In order to prevent COUNT stage from requiring a Collection*, splits
fast count into a new RECORD_STORE_FAST_COUNT stage.
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