6. The method of claim 1 , wherein traversing the runtime plan tree further comprises, upon determining that the first compiled object corresponding to the first string key is in the compiled object cache: retrieving the first compiled object from the compiled object cache in accordance with the first string key; and setting a function pointer to the first compiled object.
7. The method of claim 6 , wherein traversing the runtime plan tree further comprises, upon determining that the first compiled object is in the compiled object cache: remapping symbols for the first compiled object; and relocating an address of symbols for the first compiled object.