AlterResourceCommand.java

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// to you under the Apache License, Version 2.0 (the
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//
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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.catalog.Env;
import org.apache.doris.catalog.Resource;
import org.apache.doris.common.AnalysisException;
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.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import java.util.Map;

/**
 * Command for ALTER RESOURCE in Nereids.
 */
public class AlterResourceCommand extends AlterCommand implements NeedAuditEncryption {
    private static final String TYPE = "type";
    private final String resourceName;
    private final Map<String, String> properties;

    public AlterResourceCommand(String resourceName, Map<String, String> properties) {
        super(PlanType.ALTER_RESOURCE_COMMAND);
        this.resourceName = resourceName;
        this.properties = properties;
    }

    private 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");
        }

        if (properties == null || properties.isEmpty()) {
            throw new AnalysisException("Resource properties can't be null");
        }

        // check type in properties
        if (properties.containsKey(TYPE)) {
            throw new AnalysisException("Can not change resource type.");
        }

        // check resource existence
        Resource resource = Env.getCurrentEnv().getResourceMgr().getResource(resourceName);
        if (resource == null) {
            throw new AnalysisException("Unknown resource: " + resourceName);
        }
        // check properties
        resource.checkProperties(properties);
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        validate(ctx);

        // Modify the resource with new properties
        Env.getCurrentEnv().getResourceMgr().alterResource(resourceName, properties);
    }

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

    @Override
    public boolean needAuditEncryption() {
        return true;
    }
}