DropStoragePolicyCommand.java

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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.catalog.Env;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
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.policy.DropPolicyLog;
import org.apache.doris.policy.PolicyTypeEnum;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * drop storage policy command
 */
public class DropStoragePolicyCommand extends DropCommand {
    public static final Logger LOG = LogManager.getLogger(DropStoragePolicyCommand.class);
    private final boolean ifExists;
    private final String policyName;

    /**
     * constructor
     */
    public DropStoragePolicyCommand(String policyName, boolean ifExists) {
        super(PlanType.DROP_STORAGE_POLICY_COMMAND);
        this.policyName = policyName;
        this.ifExists = ifExists;
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        if (!Env.getCurrentEnv().getAccessManager()
                .checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                        PrivPredicate.ADMIN.getPrivs().toString());
        }
        // Drop the storage policy
        DropPolicyLog dropPolicyLog = new DropPolicyLog(PolicyTypeEnum.STORAGE, policyName);
        Env.getCurrentEnv().getPolicyMgr().dropPolicy(dropPolicyLog, ifExists);
    }

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