@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getExecutionTimeInMillis() != null)
            sb.append("ExecutionTimeInMillis: ").append(getExecutionTimeInMillis()).append(",");
        if (getDataWrites() != null)
            sb.append("DataWrites: ").append(getDataWrites()).append(",");
        if (getBytesMetered() != null)
            sb.append("BytesMetered: ").append(getBytesMetered()).append(",");
        if (getCumulativeBytesScanned() != null)
            sb.append("CumulativeBytesScanned: ").append(getCumulativeBytesScanned()).append(",");
        if (getRecordsIngested() != null)
            sb.append("RecordsIngested: ").append(getRecordsIngested()).append(",");
        if (getQueryResultRows() != null)
            sb.append("QueryResultRows: ").append(getQueryResultRows());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-timestreamquery/src/main/java/com/amazonaws/services/timestreamquery/model/ExecutionStats.java