DropResourceCommand.java

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// 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.nereids.trees.plans.commands;

import org.apache.doris.analysis.ResourceTypeEnum;
import org.apache.doris.analysis.StmtType;
import org.apache.doris.catalog.Env;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.FeNameFormat;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

/**
 * DROP RESOURCE resource_name
 */
public class DropResourceCommand extends DropCommand {
    private final boolean ifExists;
    private final String resourceName;

    public DropResourceCommand(boolean ifExists, String resourceName) {
        super(PlanType.DROP_RESOURCE_COMMAND);
        this.ifExists = ifExists;
        this.resourceName = resourceName;
    }

    public boolean isIfExists() {
        return ifExists;
    }

    public String getResourceName() {
        return resourceName;
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        validate(ctx);
        ctx.getEnv().getResourceMgr().dropResource(this);
    }

    /**
     * validate
     */
    public void validate(ConnectContext ctx) throws AnalysisException {
        // check auth
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "ADMIN");
        }

        FeNameFormat.checkResourceName(resourceName, ResourceTypeEnum.GENERAL);
    }

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

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