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package.scala
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package.scala
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.carbondata.mv
import scala.language.implicitConversions
import org.apache.spark.sql.catalyst._
import org.apache.spark.sql.catalyst.expressions.{Expression, NamedExpression}
import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.carbondata.mv.plans._
import org.apache.carbondata.mv.plans.modular.{JoinEdge, ModularPlan}
import org.apache.carbondata.mv.plans.modular.Flags._
import org.apache.carbondata.mv.plans.util._
/**
* A collection of implicit conversions that create a DSL for constructing data structures
* for modular plans.
*
*/
package object dsl {
// object plans {
implicit class DslModularPlan(val modularPlan: ModularPlan) {
def select(outputExprs: NamedExpression*)
(inputExprs: Expression*)
(predicateExprs: Expression*)
(aliasMap: Map[Int, String])
(joinEdges: JoinEdge*): ModularPlan = {
modular
.Select(
outputExprs,
inputExprs,
predicateExprs,
aliasMap,
joinEdges,
Seq(modularPlan),
NoFlags,
Seq.empty,
Seq.empty)
}
def groupBy(outputExprs: NamedExpression*)
(inputExprs: Expression*)
(predicateExprs: Expression*): ModularPlan = {
modular
.GroupBy(outputExprs, inputExprs, predicateExprs, None, modularPlan, NoFlags, Seq.empty)
}
def harmonize: ModularPlan = modularPlan.harmonized
}
implicit class DslModularPlans(val modularPlans: Seq[ModularPlan]) {
def select(outputExprs: NamedExpression*)
(inputExprs: Expression*)
(predicateList: Expression*)
(aliasMap: Map[Int, String])
(joinEdges: JoinEdge*): ModularPlan = {
modular
.Select(
outputExprs,
inputExprs,
predicateList,
aliasMap,
joinEdges,
modularPlans,
NoFlags,
Seq.empty,
Seq.empty)
}
def union(): ModularPlan = modular.Union(modularPlans, NoFlags, Seq.empty)
}
implicit class DslLogical2Modular(val logicalPlan: LogicalPlan) {
def resolveonly: LogicalPlan = analysis.SimpleAnalyzer.execute(logicalPlan)
def modularize: ModularPlan = modular.SimpleModularizer.modularize(logicalPlan).next
def optimize: LogicalPlan = BirdcageOptimizer.execute(logicalPlan)
}
// }
}