KillStmt.java

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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.analysis;

/**
 * Representation of a Kill statement.
 * Acceptable syntax:
 * KILL [QUERY | CONNECTION] connection_id
 */
public class KillStmt extends StatementBase implements NotFallbackInParser {
    private final boolean isConnectionKill;
    private final int connectionId;
    private final String queryId;

    public KillStmt(boolean isConnectionKill, int connectionId) {
        this.isConnectionKill = isConnectionKill;
        this.connectionId = connectionId;
        this.queryId = "";
    }

    public KillStmt(String queryId) {
        this.isConnectionKill = false;
        this.connectionId = -1;
        this.queryId = queryId;
    }

    public boolean isConnectionKill() {
        return isConnectionKill;
    }

    public int getConnectionId() {
        return connectionId;
    }

    public String getQueryId() {
        return queryId;
    }

    @Override
    public void analyze(Analyzer analyzer) {
        // No operation.
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("KILL ");
        if (!isConnectionKill) {
            sb.append("QUERY ");
        }
        sb.append(connectionId);
        return sb.toString();
    }

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

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

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