ShowWarningErrorsCommand.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.nereids.trees.plans.commands;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.ScalarType;
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.ShowResultSet;
import org.apache.doris.qe.ShowResultSetMetaData;
import org.apache.doris.qe.StmtExecutor;

import com.google.common.collect.Lists;

import java.util.List;

/**
 * Represents the command for SHOW WARNINGS or SHOW ERRORS.
 */
public class ShowWarningErrorsCommand extends ShowCommand {
    private static final ShowResultSetMetaData META_DATA =
            ShowResultSetMetaData.builder()
                    .addColumn(new Column("Level", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Code", ScalarType.createVarchar(10)))
                    .addColumn(new Column("Message", ScalarType.createVarchar(100)))
                    .build();

    private final boolean isWarning;
    private final long limit;

    public ShowWarningErrorsCommand(boolean isWarning, long limit) {
        super(PlanType.SHOW_WARNING_ERRORS_COMMAND);
        this.isWarning = isWarning;
        this.limit = limit;
    }

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

    @Override
    public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        List<List<String>> rowSet = Lists.newArrayList();
        // Only success
        return new ShowResultSet(getMetaData(), rowSet);
    }

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