Definition of "vtable" []

• A table of memory pointers to different implementations of a virtual function. (noun)

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• "You can use subqueries today in InfiniDB by setting our vtable mode to pass everything to MySQL, but trust me: you don't really want to send subqueries against TB's of data and billions of rows directly to MySQL for processing unless you plan on waiting a while for your response."
• "The "internal structure" (the object) then only needs one extra field: the compiler-generated hidden vtable pointer."
• "I knew from the very beginning that such an implementation was going to be inefficient due to the pointer dereference at each instruction and the vtable lookup for the correct virtual method implementation."