CreateViewCommand.java

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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// 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
//
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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.analysis.CreateViewStmt;
import org.apache.doris.analysis.StmtType;
import org.apache.doris.catalog.Env;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.commands.info.CreateViewInfo;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

/** CreateViewCommand */
public class CreateViewCommand extends Command implements ForwardWithSync {
    private final CreateViewInfo createViewInfo;

    public CreateViewCommand(CreateViewInfo createViewInfo) {
        super(PlanType.CREATE_VIEW_COMMAND);
        this.createViewInfo = createViewInfo;
    }

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        executor.checkBlockRules();
        createViewInfo.init(ctx);
        createViewInfo.validate(ctx);
        CreateViewStmt createViewStmt = createViewInfo.translateToLegacyStmt(ctx);
        Env.getCurrentEnv().createView(createViewStmt);
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitCreateViewCommand(this, context);
    }

    @Override
    public StmtType stmtType() {
        return StmtType.CREATE;
    }
}