WL#4761: Streamline OPEN and CLOSE of tables
Affects: Server-9.x — Status: Assigned — Priority: Medium
The intention of this task is to simplify the external interface to open and close tables, to make it clearer what each method can do and can't do and ensure that it there is no code duplication in this area. This is preparatory work to get better control over metadata in the MySQL Server as well as to prepare for improved scalability by changing the way LOCK_open is handled and later also LOCK_mdl.
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