ShowDynamicPartitionStmt.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.Column;
import org.apache.doris.catalog.ScalarType;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.qe.ShowResultSetMetaData;

import com.google.common.base.Strings;

public class ShowDynamicPartitionStmt extends ShowStmt implements NotFallbackInParser {
    private String db;
    private static final ShowResultSetMetaData SHOW_DYNAMIC_PARTITION_META_DATA =
            ShowResultSetMetaData.builder()
                    .addColumn(new Column("TableName", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Enable", ScalarType.createVarchar(20)))
                    .addColumn(new Column("TimeUnit", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Start", ScalarType.createVarchar(20)))
                    .addColumn(new Column("End", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Prefix", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Buckets", ScalarType.createVarchar(20)))
                    .addColumn(new Column("ReplicationNum", ScalarType.createVarchar(20)))
                    .addColumn(new Column("ReplicaAllocation", ScalarType.createVarchar(128)))
                    .addColumn(new Column("StartOf", ScalarType.createVarchar(20)))
                    .addColumn(new Column("LastUpdateTime", ScalarType.createVarchar(20)))
                    .addColumn(new Column("LastSchedulerTime", ScalarType.createVarchar(20)))
                    .addColumn(new Column("State", ScalarType.createVarchar(20)))
                    .addColumn(new Column("LastCreatePartitionMsg", ScalarType.createVarchar(20)))
                    .addColumn(new Column("LastDropPartitionMsg", ScalarType.createVarchar(20)))
                    .addColumn(new Column("ReservedHistoryPeriods", ScalarType.createVarchar(20)))
                    .build();

    ShowDynamicPartitionStmt(String db) {
        this.db = db;
    }

    public String getDb() {
        return db;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException {
        if (Strings.isNullOrEmpty(db)) {
            db = analyzer.getDefaultDb();
            if (Strings.isNullOrEmpty(db)) {
                ErrorReport.reportAnalysisException(ErrorCode.ERR_NO_DB_ERROR);
            }
        }

        // we do not check db privs here. because user may not have any db privs,
        // but if it has privs of tbls inside this db,it should be allowed to see this db.
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("SHOW DYNAMIC PARTITION TABLES");
        if (!Strings.isNullOrEmpty(db)) {
            sb.append(" FROM ").append(db);
        }
        return sb.toString();
    }

    @Override
    public String toString() {
        return toSql();
    }

    @Override
    public ShowResultSetMetaData getMetaData() {
        return SHOW_DYNAMIC_PARTITION_META_DATA;
    }

    @Override
    public RedirectStatus getRedirectStatus() {
        return RedirectStatus.FORWARD_NO_SYNC;
    }
}