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64 changes: 0 additions & 64 deletions
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...src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceReaderHolder.scala
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.../src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2QueryPlan.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. | ||
| */ | ||
|
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| package org.apache.spark.sql.execution.datasources.v2 | ||
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| import java.util.Objects | ||
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| import org.apache.commons.lang3.StringUtils | ||
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| import org.apache.spark.sql.catalyst.expressions.Attribute | ||
| import org.apache.spark.sql.internal.SQLConf | ||
| import org.apache.spark.sql.sources.v2.DataSourceV2 | ||
| import org.apache.spark.sql.sources.v2.reader._ | ||
| import org.apache.spark.util.Utils | ||
|
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| /** | ||
| * A base class for data source v2 related query plan(both logical and physical). It defines the | ||
| * equals/hashCode methods, and provides a string representation of the query plan, according to | ||
| * some common information. | ||
| */ | ||
| trait DataSourceV2QueryPlan { | ||
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| /** | ||
| * The output of the data source reader, w.r.t. column pruning. | ||
| */ | ||
| def output: Seq[Attribute] | ||
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| /** | ||
| * The instance of this data source implementation. Note that we only consider its class in | ||
| * equals/hashCode, not the instance itself. | ||
| */ | ||
| def source: DataSourceV2 | ||
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| /** | ||
| * The created data source reader. Here we use it to get the filters that has been pushed down | ||
| * so far, itself doesn't take part in the equals/hashCode. | ||
| */ | ||
| def reader: DataSourceReader | ||
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| private lazy val filters = reader match { | ||
| case s: SupportsPushDownCatalystFilters => s.pushedCatalystFilters().toSet | ||
| case s: SupportsPushDownFilters => s.pushedFilters().toSet | ||
| case _ => Set.empty | ||
| } | ||
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| /** | ||
| * The metadata of this data source query plan that can be used for equality check. | ||
| */ | ||
| private def metadata: Seq[Any] = Seq(output, source.getClass, filters) | ||
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| def canEqual(other: Any): Boolean | ||
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| override def equals(other: Any): Boolean = other match { | ||
| case other: DataSourceV2QueryPlan => canEqual(other) && metadata == other.metadata | ||
| case _ => false | ||
| } | ||
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| override def hashCode(): Int = { | ||
| metadata.map(Objects.hashCode).foldLeft(0)((a, b) => 31 * a + b) | ||
| } | ||
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| def metadataString: String = { | ||
| val entries = scala.collection.mutable.ArrayBuffer.empty[(String, String)] | ||
| if (filters.nonEmpty) entries += "Pushed Filters" -> filters.mkString("[", ", ", "]") | ||
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| val outputStr = Utils.truncatedString(output, "[", ", ", "]") | ||
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| val entriesStr = if (entries.nonEmpty) { | ||
| Utils.truncatedString(entries.map { | ||
| case (key, value) => key + ": " + StringUtils.abbreviate(redact(value), 100) | ||
| }, " (", ", ", ")") | ||
| } else { | ||
| "" | ||
| } | ||
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| s"${source.getClass.getSimpleName.stripSuffix("$")}$outputStr$entriesStr" | ||
| } | ||
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| private def redact(text: String): String = { | ||
| Utils.redact(SQLConf.get.stringRedationPattern, text) | ||
| } | ||
| } |
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