org.apache.spark.sql.CassandraAwareSQLContext.scala Maven / Gradle / Ivy
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package org.apache.spark.sql
import com.datastax.driver.core.{DataType => CassandraDataType, TableMetadata, KeyspaceMetadata}
import com.tuplejump.calliope.sql.{StargateOptimizer, CassandraAwareSQLContextFunctions, CassandraProperties}
import org.apache.spark.SparkContext
import org.apache.spark.sql.catalyst.analysis.{Catalog, SimpleCatalog}
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.optimizer.Optimizer
import org.apache.spark.sql.catalyst.planning.PhysicalOperation
import org.apache.spark.sql.catalyst.plans.logical
import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.spark.sql.execution.SparkPlan
import scala.collection.JavaConversions._
class CassandraAwareSQLContext(sc: SparkContext) extends SQLContext(sc) with CassandraAwareSQLContextFunctions {
self =>
override protected[sql] lazy val catalog: Catalog = new SimpleCatalog(true) with CassandraCatalog {
override protected val context: SQLContext with CassandraAwareSQLContextFunctions = self
}
override protected[sql] val planner: SparkPlanner = new SparkPlanner with CassandraAwarePlanner {
override val strategies: Seq[Strategy] =
CommandStrategy(self) ::
TakeOrdered ::
HashAggregation ::
LeftSemiJoin ::
HashJoin ::
InMemoryScans ::
CassandraOperations ::
ParquetOperations ::
BasicOperators ::
CartesianProduct ::
BroadcastNestedLoopJoin :: Nil
}
}
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