SPARK_BRANCH
spark
SPARK_BUILD_DATE
spark
SPARK_BUILD_USER
spark
SPARK_REPO_URL
spark
SPARK_REVISION
spark
SPARK_VERSION
spark
SchemaInternalRow
druid
ShardPartition
druid
Strategy
sql
schema
DruidRelation
DruidSource
SchemaInternalRow
shortName
DruidSourceProvider
sourceSchema
DruidSourceProvider
spark
apache
sql
spark
sqlContext
DruidRelation
stop
DruidSource