1. Analyze what mode of cache can be used by query 2. Query cache before executing query in StmtExecutor 3. Two cache mode, sqlcache and partitioncache, are implemented
# fe-common This module is used to store some common classes of other modules. # spark-dpp This module is Spark DPP program, used for Spark Load function. Depends: fe-common # fe-core This module is the main process module of FE. Depends: fe-common, spark-dpp