1. Use the param `UseDeclareFetch` to fix the memory consumption of PostgreSQL Driver 2. Fix the bug of mysql client 5.1 query failed Doris
# 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