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Spark 3.4: Support distributed planning
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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.iceberg; | ||
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import java.util.List; | ||
import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; | ||
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abstract class DataScan<ThisT, T extends ScanTask, G extends ScanTaskGroup<T>> | ||
extends SnapshotScan<ThisT, T, G> { | ||
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protected DataScan(Table table, Schema schema, TableScanContext context) { | ||
super(table, schema, context); | ||
} | ||
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@Override | ||
protected boolean useSnapshotSchema() { | ||
return true; | ||
} | ||
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protected ManifestGroup newManifestGroup( | ||
List<ManifestFile> dataManifests, List<ManifestFile> deleteManifests) { | ||
return newManifestGroup(dataManifests, deleteManifests, context().returnColumnStats()); | ||
} | ||
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protected ManifestGroup newManifestGroup( | ||
List<ManifestFile> dataManifests, boolean withColumnStats) { | ||
return newManifestGroup(dataManifests, ImmutableList.of(), withColumnStats); | ||
} | ||
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protected ManifestGroup newManifestGroup( | ||
List<ManifestFile> dataManifests, | ||
List<ManifestFile> deleteManifests, | ||
boolean withColumnStats) { | ||
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ManifestGroup manifestGroup = | ||
new ManifestGroup(io(), dataManifests, deleteManifests) | ||
.caseSensitive(isCaseSensitive()) | ||
.select(withColumnStats ? SCAN_WITH_STATS_COLUMNS : SCAN_COLUMNS) | ||
.filterData(filter()) | ||
.specsById(table().specs()) | ||
.scanMetrics(scanMetrics()) | ||
.ignoreDeleted(); | ||
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if (shouldIgnoreResiduals()) { | ||
manifestGroup = manifestGroup.ignoreResiduals(); | ||
} | ||
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if (shouldPlanWithExecutor() && (dataManifests.size() > 1 || deleteManifests.size() > 1)) { | ||
manifestGroup = manifestGroup.planWith(planExecutor()); | ||
} | ||
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return manifestGroup; | ||
} | ||
} |
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