SPARK_BRANCH
spark
SPARK_BUILD_DATE
spark
SPARK_BUILD_USER
spark
SPARK_REPO_URL
spark
SPARK_REVISION
spark
SPARK_VERSION
spark
serialize
TDigestArrayUDT
TDigestUDT
sketches
isarnproject
isarnproject
spark
apache
sqlType
TDigestArrayUDT
TDigestUDT