DropPolicyStmt.java

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// 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.analysis;

import org.apache.doris.catalog.Env;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.UserException;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.policy.PolicyTypeEnum;
import org.apache.doris.qe.ConnectContext;

import lombok.AllArgsConstructor;
import lombok.Getter;
import org.apache.commons.lang3.StringUtils;

/**
 * Drop policy statement.
 * syntax:
 * DROP [ROW] POLICY [IF EXISTS] test_row_policy ON test_table [FOR user|ROLE role]
 **/
@AllArgsConstructor
public class DropPolicyStmt extends DdlStmt implements NotFallbackInParser {

    @Getter
    private final PolicyTypeEnum type;

    @Getter
    private final boolean ifExists;

    @Getter
    private final String policyName;

    @Getter
    private final TableName tableName;

    @Getter
    private final UserIdentity user;

    @Getter
    private final String roleName;

    @Override
    public void analyze(Analyzer analyzer) throws UserException {
        super.analyze(analyzer);
        switch (type) {
            case STORAGE:
                // check auth
                if (!Env.getCurrentEnv().getAccessManager()
                        .checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
                    ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                            PrivPredicate.ADMIN.getPrivs().toString());
                }
                break;
            case ROW:
            default:
                tableName.analyze(analyzer);
                if (user != null) {
                    user.analyze();
                }
                // check auth
                if (!Env.getCurrentEnv().getAccessManager()
                        .checkGlobalPriv(ConnectContext.get(), PrivPredicate.GRANT)) {
                    ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                            PrivPredicate.GRANT.getPrivs().toString());
                }
        }
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("DROP ").append(type).append(" POLICY ");
        if (ifExists) {
            sb.append("IF EXISTS ");
        }
        sb.append(policyName);
        switch (type) {
            case STORAGE:
                break;
            case ROW:
            default:
                sb.append(" ON ").append(tableName.toSql());
                if (user != null) {
                    sb.append(" FOR ").append(user.getQualifiedUser());
                }
                if (StringUtils.isEmpty(roleName)) {
                    sb.append(" FOR ROLE ").append(roleName);
                }
        }
        return sb.toString();
    }

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