HiveDlaTable.java

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package org.apache.doris.datasource.hive;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.PartitionType;
import org.apache.doris.datasource.SchemaCacheValue;
import org.apache.doris.datasource.mvcc.MvccSnapshot;

import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

public class HiveDlaTable extends HMSDlaTable {

    public HiveDlaTable(HMSExternalTable table) {
        super(table);
    }

    @Override
    public PartitionType getPartitionType(Optional<MvccSnapshot> snapshot) {
        return getPartitionColumns(snapshot).size() > 0 ? PartitionType.LIST : PartitionType.UNPARTITIONED;
    }

    @Override
    public Set<String> getPartitionColumnNames(Optional<MvccSnapshot> snapshot) {
        return getPartitionColumns(snapshot).stream()
                .map(c -> c.getName().toLowerCase()).collect(Collectors.toSet());
    }

    @Override
    public List<Column> getPartitionColumns(Optional<MvccSnapshot> snapshot) {
        Optional<SchemaCacheValue> schemaCacheValue = hmsTable.getSchemaCacheValue();
        return schemaCacheValue.map(value -> ((HMSSchemaCacheValue) value).getPartitionColumns())
                .orElse(Collections.emptyList());
    }

    @Override
    public boolean isPartitionColumnAllowNull() {
        return true;
    }
}