CreatePolicyCommand.java

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

import org.apache.doris.analysis.StmtType;
import org.apache.doris.analysis.UserIdentity;
import org.apache.doris.nereids.exceptions.MustFallbackException;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.policy.FilterType;
import org.apache.doris.policy.PolicyTypeEnum;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import java.util.List;
import java.util.Map;
import java.util.Optional;

/**
 * Create policy command use for row policy and storage policy.
 */
public class CreatePolicyCommand extends Command implements ForwardWithSync {

    private final PolicyTypeEnum policyType;
    private final String policyName;
    private final boolean ifNotExists;
    private final List<String> nameParts;
    private final Optional<FilterType> filterType;
    private final UserIdentity user;
    private final String roleName;
    private final Optional<Expression> wherePredicate;
    private final Map<String, String> properties;

    /**
     * ctor of this command.
     */
    public CreatePolicyCommand(PolicyTypeEnum policyType, String policyName, boolean ifNotExists,
            List<String> nameParts, Optional<FilterType> filterType, UserIdentity user, String roleName,
            Optional<Expression> wherePredicate, Map<String, String> properties) {
        super(PlanType.CREATE_POLICY_COMMAND);
        this.policyType = policyType;
        this.policyName = policyName;
        this.ifNotExists = ifNotExists;
        this.nameParts = nameParts;
        this.filterType = filterType;
        this.user = user;
        this.roleName = roleName;
        this.wherePredicate = wherePredicate;
        this.properties = properties;
    }

    public Optional<Expression> getWherePredicate() {
        return wherePredicate;
    }

    public Map<String, String> getProperties() {
        return properties;
    }

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

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        throw new MustFallbackException("Not support create policy command in Nereids now");
    }

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