SQL like: `select a join b union select c join d`; if a b is colocate join, and c d is also colocate join, the query may failed with error like: `failed to get tablet. tablet_id=26846, with schema_hash=398972982, reason=tablet does not exist`
# 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