| CPC G06F 16/24542 (2019.01) [G06F 11/3409 (2013.01); G06F 16/24539 (2019.01)] | 20 Claims |
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1. A network-based database system comprising:
at least one hardware processor; and
a memory storing instructions that cause the at least one hardware processor to perform operations comprising:
receiving a query, the query including a statement for performing the query;
performing a lookup operation on a stored plan cache based on the query;
performing, in response to a cache match of the query to a stored query plan in the stored plan cache based on the lookup operation, a validation process of the stored query plan;
determining whether the stored query plan is valid based on the validation process;
performing, in response to determining that the stored query plan is valid, a program building process for the stored query plan to generate a final query plan; and
sending the final query plan to an execution node for execution.
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