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[enhancement](Nereids) add interface for binary search filtering prun…
…e external table's partitions (#47781) 1. add interface `SupportBinarySearchFilteringPartitions` for binary search filtering prune external table's partitions 2. skip binary search if the recent changed lower than 10s
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...e-core/src/main/java/org/apache/doris/catalog/SupportBinarySearchFilteringPartitions.java
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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.doris.catalog; | ||
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import org.apache.doris.nereids.trees.plans.algebra.CatalogRelation; | ||
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import java.util.Map; | ||
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/** | ||
* SupportBinarySearchFilteringPartitions: this interface is used to support binary search filtering partitions | ||
*/ | ||
public interface SupportBinarySearchFilteringPartitions extends TableIf { | ||
/** | ||
* get the origin partition info which maybe not sorted, the NereidsSortedPartitionsCacheManager will | ||
* sort this partitions and cache in frontend. you can save the partition's meta snapshot id in the | ||
* CatalogRelation and get the partitions by the snapshot id. | ||
*/ | ||
Map<?, PartitionItem> getOriginPartitions(CatalogRelation scan); | ||
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/** | ||
* return the version of the partitions meta, if the version changed, we should skip the legacy sorted | ||
* partitions and reload it. | ||
*/ | ||
Object getPartitionMetaVersion(CatalogRelation scan); | ||
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/** | ||
* when the partition meta loaded? if the partition meta load too frequently, we will skip sort partitions meta | ||
* and will not use binary search to filtering partitions | ||
*/ | ||
long getPartitionMetaLoadTimeMillis(CatalogRelation scan); | ||
} |
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