lost the data in String type

# ISSUE\_TEMPLATE

DBFlow Version:4.2.4

Bug or Feature Request:lost the long string data

Description: i have a long json string,and i inserted the bean without any wrong,but i read it from the database,the value is null.
my string like this as follow:

{
"rings": [
[
[512182.45, 750701.602],
[512200.686, 750691.269],
[512228.647, 750682.151],
[512223.177, 750652.366],
[512218.185, 750632.565],
[512216.715, 750626.737],
[512217.286, 750608.477],
[512216.651, 750605.898],
[512210.362, 750580.353],
[512209.885, 750578.415],
[512208.824, 750578.373],
[512198.228, 750578.68],
[512198.058, 750578.689],
[512185.516, 750579.122],
[512170.812, 750577.824],
[512166.055, 750575.662],
[512164.757, 750574.364],
[512164.747, 750574.313],
[512164.709, 750574.291],
[512162.403, 750563.335],
[512144.7, 750502.007],
[512164.319, 750468.202],
[512177.941, 750444.729],
[512187.03, 750438.391],
[512230.724, 750433.585],
[512231.482, 750433.58],
[512237.05, 750432.961],
[512241.936, 750433.504],
[512268.455, 750433.312],
[512271.492, 750437.782],
[512273.348, 750475.9],
[512290.095, 750473.968],
[512308.269, 750468.623],
[512326.416, 750429.932],
[512354.561, 750382.944],
[512372.109, 750371.126],
[512411.557, 750312.097],
[512416.244, 750278.704],
[512431.356, 750257.5],
[512429.597, 750257.079],
[512399.686, 750250.955],
[512399.652, 750251.011],
[512393.256, 750253.57],
[512393.133, 750253.552],
[512382.608, 750261.131],
[512382.595, 750261.246],
[512378.757, 750267.216],
[512378.169, 750267.607],
[512363.356, 750289.372],
[512363.29, 750289.658],
[512362.081, 750291.385],
[512362.016, 750291.45],
[512357.743, 750323.297],
[512357.668, 750324.27],
[512349.606, 750346.842],
[512349.078, 750347.547],
[512339.657, 750362.701],
[512334.657, 750367.701],
[512299.657, 750377.701],
[512234.657, 750377.701],
[512199.656, 750367.701],
[512184.656, 750357.7],
[512184.656, 750348.387],
[512137.731, 750321.421],
[512136.381, 750321.121],
[512069.278, 750309.378],
[512061.17, 750308.297],
[512021.066, 750301.005],
[511995.546, 750301.005],
[511971.484, 750301.004],
[511970.191, 750300.806],
[511939.655, 750297.7],
[511887.204, 750290.099],
[511885.761, 750289.955],
[511884.259, 750290.002],
[511849.729, 750292.846],
[511848.986, 750292.983],
[511847.762, 750293.032],
[511798.286, 750298.116],
[511794.651, 750298.566],
[511793.405, 750298.595],
[511744.655, 750302.7],
[511707.929, 750314.862],
[511706.984, 750315.263],
[511689.593, 750319.383],
[511661.675, 750322.129],
[511645.656, 750323.731],
[511644.965, 750323.652],
[511523.296, 750322.519],
[511499.922, 750316.945],
[511499.125, 750317.252],
[511489.891, 750314.614],
[511489.739, 750314.522],
[511329.234, 750283.363],
[511302.777, 750278.296],
[511302.453, 750278.296],
[511278.75, 750272.114],
[511278.241, 750271.921],
[511172.782, 750244.254],
[511151.666, 750237.399],
[511119.098, 750227.821],
[511093.936, 750219.371],
[511068.188, 750209.877],
[511065.711, 750209.701],
[511061.991, 750207.592],
[511052.629, 750204.141],
[511000.499, 750202.836],
[510907.708, 750201.298],
[510902.1, 750217.692],
[510902.023, 750218.073],
[510901.832, 750218.477],
[510896.978, 750232.667],
[510883.275, 750263.211],
[510873.617, 750282.423],
[510848.454, 750336.227],
[510844.079, 750359.381],
[510842.092, 750369.896],
[510710.018, 750355.382],
[510676.777, 750351.908],
[510660.367, 750353.88],
[510642.578, 750371.531],
[510642.428, 750371.68],
[510641.851, 750372.526],
[510622.148, 750401.415],
[510621.633, 750402.169],
[510621.567, 750402.359],
[510614.502, 750422.66],
[510610.967, 750438.764],
[510608.208, 750446.753],
[510608.058, 750447.186],
[510606.157, 750449.379],
[510599.748, 750451.259],
[510594.605, 750451.193],
[510594.313, 750451.062],
[510588.626, 750448.511],
[510587.987, 750448.224],
[510586.332, 750447.992],
[510570.42, 750445.765],
[510569.019, 750445.569],
[510552.088, 750448.02],
[510552.045, 750448.059],
[510533.388, 750465.233],
[510533.347, 750465.272],
[510532.975, 750465.378],
[510510.991, 750471.675],
[510470.227, 750466.716],
[510469.722, 750466.654],
[510465.72, 750466.478],
[510452.055, 750465.877],
[510450.383, 750465.804],
[510445.439, 750459.544],
[510441.286, 750454.285],
[510441.27, 750454.265],
[510441.214, 750454.194],
[510441.199, 750454.206],
[510440.916, 750454.45],
[510428.252, 750465.369],
[510426.259, 750467.087],
[510423.034, 750472.281],
[510418.7, 750479.26],
[510418.527, 750479.539],
[510418.595, 750479.566],
[510453.675, 750493.067],
[510503.164, 750519.141],
[510557.697, 750547.498],
[510605.413, 750576.372],
[510661.713, 750608.673],
[510780.877, 750659.942],
[510810.333, 750663.093],
[510828.561, 750620.04],
[510828.256, 750562.898],
[510834.243, 750549.956],
[510838.355, 750541.067],
[510852.785, 750528.822],
[510856.687, 750525.219],
[510864.28, 750521.039],
[510872.872, 750520.889],
[510891.815, 750521.806],
[510911.827, 750526.545],
[510940.709, 750538.796],
[510961.899, 750549.352],
[510984.451, 750567.469],
[510984.495, 750567.537],
[510984.502, 750567.543],
[510984.516, 750567.569],
[510992.498, 750579.818],
[510996.996, 750588.021],
[510998.981, 750594.238],
[511001.869, 750606.796],
[511004.983, 750633.463],
[511005.583, 750660.306],
[511007.711, 750658.684],
[511048.143, 750627.879],
[511049.514, 750626.834],
[511076.599, 750605.081],
[511077.593, 750604.33],
[511094.152, 750591.813],
[511122.89, 750570.09],
[511165.952, 750541.178],
[511168.017, 750538.85],
[511171.59, 750534.825],
[511182.197, 750522.873],
[511184.083, 750520.748],
[511198.928, 750504.021],
[511199.998, 750503.266],
[511207.056, 750498.283],
[511216.213, 750491.818],
[511233.272, 750486.602],
[511256.044, 750484.179],
[511301.378, 750477.686],
[511353.967, 750470.241],
[511354.098, 750470.289],
[511411.033, 750491.207],
[511451.126, 750516.636],
[511503.183, 750539.002],
[511558.978, 750553.697],
[511599.288, 750543.65],
[511619.876, 750519.185],
[511631.806, 750505.267],
[511653.18, 750496.32],
[511692.88, 750482.003],
[511692.994, 750481.962],
[511696.017, 750482.611],
[511706.153, 750484.572],
[511744.302, 750492.965],
[511755.512, 750495.369],
[511755.616, 750495.455],
[511803.954, 750534.965],
[511815.952, 750546.405],
[511815.968, 750546.451],
[511816.002, 750546.478],
[511816.002, 750546.549],
[511822.889, 750566.515],
[511829.655, 750587.701],
[511843.591, 750615.436],
[511860.254, 750627.126],
[511887.05, 750638.971],
[511915.5, 750643.582],
[512013.023, 750666.61],
[512132.16, 750702.105],
[512156.92, 750728.348],
[512182.45, 750701.602]
],
[
[511647.713, 750450.311],
[511645.822, 750448.63],
[511644.561, 750447.159],
[511643.931, 750446.319],
[511642.88, 750445.478],
[511640.149, 750445.268],
[511636.997, 750445.058],
[511630.273, 750442.747],
[511626.281, 750438.544],
[511624.81, 750436.863],
[511624.992, 750433.697],
[511625.216, 750430.784],
[511625.216, 750429.215],
[511625.216, 750428.543],
[511622.078, 750426.301],
[511616.251, 750425.405],
[511610.424, 750426.301],
[511605.045, 750428.767],
[511602.131, 750431.232],
[511599.442, 750431.68],
[511597.424, 750428.991],
[511594.959, 750427.422],
[511592.718, 750427.422],
[511591.821, 750427.87],
[511592.045, 750429.215],
[511592.045, 750432.352],
[511591.597, 750433.249],
[511589.804, 750434.818],
[511580.988, 750438.553],
[511574.414, 750440.944],
[511570.529, 750440.944],
[511568.437, 750440.944],
[511565.15, 750437.358],
[511561.564, 750429.588],
[511561.564, 750424.209],
[511563.058, 750422.117],
[511566.046, 750419.727],
[511568.03, 750418.412],
[511569.948, 750417.261],
[511573.4, 750414.961],
[511574.55, 750412.659],
[511577.235, 750411.892],
[511579.536, 750411.892],
[511581.837, 750414.577],
[511581.837, 750418.412],
[511583.755, 750421.48],
[511586.439, 750421.864],
[511592.959, 750421.864],
[511601.013, 750418.796],
[511608.684, 750418.796],
[511617.121, 750419.563],
[511625.561, 750421.864],
[511628.632, 750421.557],
[511629.246, 750420.022],
[511629.553, 750415.723],
[511630.167, 750412.652],
[511630.781, 750410.81],
[511637.537, 750410.81],
[511641.529, 750412.653],
[511643.064, 750413.574],
[511643.678, 750416.951],
[511643.064, 750421.557],
[511643.371, 750425.549],
[511644.906, 750428.006],
[511649.184, 750435.182],
[511651.075, 750438.334],
[511652.966, 750438.965],
[511654.226, 750441.696],
[511656.118, 750445.058],
[511656.538, 750446.739],
[511656.538, 750449.05],
[511654.016, 750450.521],
[511650.865, 750451.572],
[511647.713, 750450.311]
]
],
"spatialReference": {
"wkid": 4524,
"latestWkid": 4524
}
}

and my code is :

PlotCanvasBean plotCanvasBean = new PlotCanvasBean(plotWithGeo);

plotCanvasBean.setLoginId(AppManager.getInstance().getUserSession().getUid());
plotCanvasBean.setCreateTime(new Date());
plotCanvasBean.setUUID(UUID.randomUUID().toString());
plotCanvasBean.setPlotId(param.getId());

plotCanvasBean.insert();

List plotCanvasBeans1 = SQLite.select()
.from(PlotCanvasBean.class)
.where(PlotCanvasBean_Table.id.isNotNull())
.queryList();

and the column declare as a String

screenshot as follow:
the bean insert into the database

the bean read from the database