ModifyEngineOp.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
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands.info;

import org.apache.doris.alter.AlterOpType;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.UserException;
import org.apache.doris.qe.ConnectContext;

import java.util.Map;

/**
 * ModifyEngineOp
 */
public class ModifyEngineOp extends AlterTableOp {
    private String engine;
    private Map<String, String> properties;

    public ModifyEngineOp(String engine, Map<String, String> properties) {
        super(AlterOpType.MODIFY_ENGINE);
        this.engine = engine;
        this.properties = properties;
    }

    public String getEngine() {
        return engine;
    }

    @Override
    public Map<String, String> getProperties() {
        return this.properties;
    }

    @Override
    public void validate(ConnectContext ctx) throws UserException {
        throw new AnalysisException(
                "Modify engine from MySQL to ODBC is no longer supported. "
                + "ODBC tables have been deprecated. Please use JDBC Catalog instead.");
    }

    @Override
    public boolean allowOpMTMV() {
        return false;
    }

    @Override
    public boolean needChangeMTMVState() {
        return false;
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("MODIFY ENGINE TO ").append(engine);
        return sb.toString();
    }

    @Override
    public String toString() {
        return toSql();
    }
}