PaimonSource.java

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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.datasource.paimon.source;

import org.apache.doris.analysis.TupleDescriptor;
import org.apache.doris.catalog.TableIf;
import org.apache.doris.common.UserException;
import org.apache.doris.datasource.ExternalCatalog;
import org.apache.doris.datasource.mvcc.MvccUtil;
import org.apache.doris.datasource.paimon.PaimonExternalTable;
import org.apache.doris.datasource.property.constants.PaimonProperties;
import org.apache.doris.thrift.TFileAttributes;

import com.google.common.annotations.VisibleForTesting;
import org.apache.paimon.table.Table;


public class PaimonSource {
    private final PaimonExternalTable paimonExtTable;
    private final Table originTable;
    private final TupleDescriptor desc;

    @VisibleForTesting
    public PaimonSource() {
        this.desc = null;
        this.paimonExtTable = null;
        this.originTable = null;
    }

    public PaimonSource(TupleDescriptor desc) {
        this.desc = desc;
        this.paimonExtTable = (PaimonExternalTable) desc.getTable();
        this.originTable = paimonExtTable.getPaimonTable(MvccUtil.getSnapshotFromContext(paimonExtTable));
    }

    public TupleDescriptor getDesc() {
        return desc;
    }

    public Table getPaimonTable() {
        return originTable;
    }

    public TableIf getTargetTable() {
        return paimonExtTable;
    }

    public TFileAttributes getFileAttributes() throws UserException {
        return new TFileAttributes();
    }

    public ExternalCatalog getCatalog() {
        return paimonExtTable.getCatalog();
    }

    public String getFileFormatFromTableProperties() {
        return originTable.options().getOrDefault(PaimonProperties.FILE_FORMAT, "parquet");
    }
}