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Alexander Nozdrin authored
pre-locking list caused by triggers). The thing is that CREATE TRIGGER / DROP TRIGGER may actually change pre-locking list of (some) stored routines. The SP-cache does not detect such changes. Thus if sp_head-instance is cached in SP-cache, subsequent executions of the cached sp_head will use inaccurate pre-locking list. The patch is to invalidate SP-cache on CREATE TRIGGER / DROP TRIGGER.
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