TableSnapshot.java

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// 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
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.doris.analysis;

/**
 * Snapshot read for time travel
 * supports external iceberg/hudi table
 */
public class TableSnapshot {

    public enum VersionType {
        TIME, VERSION
    }

    private final VersionType type;
    private String time;
    private long version;

    public TableSnapshot(long version) {
        this.version = version;
        this.type = VersionType.VERSION;
    }

    public TableSnapshot(String time) {
        this.time = time;
        this.type = VersionType.TIME;
    }

    public TableSnapshot(TableSnapshot other) {
        this.type = other.type;
        this.time = other.time;
        this.version = other.version;
    }

    public VersionType getType() {
        return type;
    }

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public long getVersion() {
        return version;
    }

    @Override
    public String toString() {
        if (this.type == VersionType.VERSION) {
            return " FOR VERSION AS OF " + version;
        } else {
            return " FOR TIME AS OF '" + time + "'";
        }
    }
}