ShowIndexPolicyStmt.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.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.indexpolicy.IndexPolicy;
import org.apache.doris.indexpolicy.IndexPolicyTypeEnum;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.ShowResultSetMetaData;

import lombok.Getter;

/**
 * Show index policy statement.
 * syntax:
 * SHOW INVERTED INDEX ANALYZER;
 * SHOW INVERTED INDEX TOKENIZER;
 * SHOW INVERTED INDEX TOKEN_FILTER;
 **/
public class ShowIndexPolicyStmt extends ShowStmt implements NotFallbackInParser {

    @Getter
    private final IndexPolicyTypeEnum type;

    public ShowIndexPolicyStmt(IndexPolicyTypeEnum type) {
        this.type = type;
    }

    @Override
    public void analyze(Analyzer analyzer) throws UserException {
        super.analyze(analyzer);
        // check auth
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "ADMIN");
        }
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("SHOW INDEX ").append(type.name());
        return sb.toString();
    }

    @Override
    public ShowResultSetMetaData getMetaData() {
        return IndexPolicy.INDEX_POLICY_META_DATA;
    }
}