public void setTruncateColumns(Boolean truncateColumns) {
        this.truncateColumns = truncateColumns;
    }
<p>
A value that specifies to truncate data in columns to the appropriate number of characters, so that the data fits
in the column. This parameter applies only to columns with a VARCHAR or CHAR data type, and rows with a size of 4
MB or less. Choose <code>true</code> to truncate data. The default is <code>false</code>.
</p>

@param truncateColumns
       A value that specifies to truncate data in columns to the appropriate number of characters, so that the
       data fits in the column. This parameter applies only to columns with a VARCHAR or CHAR data type, and rows
       with a size of 4 MB or less. Choose <code>true</code> to truncate data. The default is <code>false</code>.
aws-java-sdk-dms/src/main/java/com/amazonaws/services/databasemigrationservice/model/RedshiftSettings.java