FixedRangePartition.java

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package org.apache.doris.nereids.trees.plans.commands.info;

import org.apache.doris.analysis.PartitionKeyDesc;
import org.apache.doris.analysis.PartitionValue;
import org.apache.doris.analysis.SinglePartitionDesc;
import org.apache.doris.common.FeNameFormat;
import org.apache.doris.nereids.exceptions.AnalysisException;
import org.apache.doris.nereids.trees.expressions.Expression;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * represent fixed range partition
 */
public class FixedRangePartition extends PartitionDefinition {
    private List<Expression> lowerBounds;
    private List<Expression> upperBounds;

    public FixedRangePartition(boolean ifNotExists, String partitionName,
            List<Expression> lowerBounds, List<Expression> upperBounds) {
        super(ifNotExists, partitionName);
        this.lowerBounds = lowerBounds;
        this.upperBounds = upperBounds;
    }

    @Override
    public void validate(Map<String, String> properties) {
        super.validate(properties);
        try {
            FeNameFormat.checkPartitionName(partitionName);
        } catch (Exception e) {
            throw new AnalysisException(e.getMessage(), e.getCause());
        }
        List<Expression> newLowerBounds = new ArrayList<>();
        List<Expression> newUpperBounds = new ArrayList<>();
        for (int i = 0; i < partitionTypes.size(); ++i) {
            if (i < lowerBounds.size()) {
                newLowerBounds.add(lowerBounds.get(i).castTo(partitionTypes.get(i)));
            }
            if (i < upperBounds.size()) {
                newUpperBounds.add(upperBounds.get(i).castTo(partitionTypes.get(i)));
            }
        }
        lowerBounds = newLowerBounds;
        upperBounds = newUpperBounds;
    }

    public String getPartitionName() {
        return partitionName;
    }

    /**
     * translate to catalog objects.
     */
    public SinglePartitionDesc translateToCatalogStyle() {
        List<PartitionValue> lowerValues = lowerBounds.stream().map(this::toLegacyPartitionValueStmt)
                .collect(Collectors.toList());
        List<PartitionValue> upperValues = upperBounds.stream().map(this::toLegacyPartitionValueStmt)
                .collect(Collectors.toList());
        return new SinglePartitionDesc(ifNotExists, partitionName,
                PartitionKeyDesc.createFixed(lowerValues, upperValues), replicaAllocation,
                properties, partitionDataProperty, isInMemory, tabletType, versionInfo,
                storagePolicy, isMutable);
    }
}