}
    public  int getPrecision(int column) throws  SQLException {        int colType = getColumnType(column);        ExtendedFieldInfo fieldInfo = getExtFieldInfo(column);                switch (colType){                        case Types.DECIMAL:            case Types.NUMERIC:                            if (fieldInfo == null)                     return estimatePrecision(column);                else                    return fieldInfo.fieldPrecision;                            case Types.CHAR:            case Types.VARCHAR:                            if (fieldInfo == null) {                    String encoding = getIscEncoding();                    int length = getXsqlvar(column).sqllen;                    return length / FBConnectionHelper.getIscEncodingSize(encoding);                } else                    return fieldInfo.characterLength;                            case Types.FLOAT:                return 7;            case Types.DOUBLE:                return 15;            case Types.INTEGER:                return 10;            case Types.SMALLINT:                return 5;            case Types.DATE:                return 10;            case Types.TIME:                return 8;            case Types.TIMESTAMP:                return 19;            default:                return 0;            }        }