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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.griffin.measure.step.builder.dsl.transform.analyzer
import org.apache.griffin.measure.step.builder.dsl.expr._
case class ProfilingAnalyzer(expr: ProfilingClause, sourceName: String) extends BasicAnalyzer {
val dataSourceNames: Set[String] =
expr.preOrderTraverseDepthFirst(Set[String]())(seqDataSourceNames, combDataSourceNames)
val selectionExprs: Seq[Expr] = {
expr.selectClause.exprs.map(_.extractSelf).flatMap { expr =>
expr match {
case e: SelectionExpr => Some(e)
case e: FunctionExpr => Some(e)
case _ => None
}
}
}
val groupbyExprOpt: Option[GroupbyClause] = expr.groupbyClauseOpt
val preGroupbyExprs: Seq[Expr] = expr.preGroupbyClauses.map(_.extractSelf)
val postGroupbyExprs: Seq[Expr] = expr.postGroupbyClauses.map(_.extractSelf)
}