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core/src/main/java/org/apache/carbondata/core/datamap/DataMapFilter.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.carbondata.core.datamap; | ||
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| import java.io.Serializable; | ||
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| import org.apache.carbondata.core.datastore.block.SegmentProperties; | ||
| import org.apache.carbondata.core.metadata.schema.table.CarbonTable; | ||
| import org.apache.carbondata.core.scan.executor.util.RestructureUtil; | ||
| import org.apache.carbondata.core.scan.expression.Expression; | ||
| import org.apache.carbondata.core.scan.filter.resolver.FilterResolverIntf; | ||
|
|
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| /** | ||
| * the filter of DataMap | ||
| */ | ||
| public class DataMapFilter implements Serializable { | ||
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| private CarbonTable table; | ||
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| private Expression expression; | ||
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| private FilterResolverIntf resolver; | ||
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| public DataMapFilter(CarbonTable table, Expression expression) { | ||
| this.table = table; | ||
| this.expression = expression; | ||
| resolve(); | ||
| } | ||
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| public DataMapFilter(FilterResolverIntf resolver) { | ||
| this.resolver = resolver; | ||
| } | ||
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| private void resolve() { | ||
| if (expression != null) { | ||
| table.processFilterExpression(expression, null, null); | ||
| resolver = CarbonTable.resolveFilter(expression, table.getAbsoluteTableIdentifier()); | ||
| } | ||
| } | ||
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| public Expression getExpression() { | ||
| return expression; | ||
| } | ||
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| public void setExpression(Expression expression) { | ||
| this.expression = expression; | ||
| } | ||
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| public FilterResolverIntf getResolver() { | ||
| return resolver; | ||
| } | ||
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| public void setResolver(FilterResolverIntf resolver) { | ||
| this.resolver = resolver; | ||
| } | ||
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| public boolean isEmpty() { | ||
| return resolver == null; | ||
| } | ||
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| public boolean isResolvedOnSegment(SegmentProperties segmentProperties) { | ||
| if (expression == null || table == null) { | ||
| return true; | ||
| } | ||
| if (!table.isTransactionalTable()) { | ||
| return false; | ||
| } | ||
| if (table.hasColumnDrift() && RestructureUtil | ||
| .hasColumnDriftOnSegment(table, segmentProperties)) { | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
| } |
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