github.com/matrixorigin/matrixone@v1.2.0/test/distributed/resources/load_data/float_1.json (about)

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     3  {"col1": "", "col2": null, "col3": "", "col4": 40.02}
     4  {"col3": "1.23456", "col4": 3.98, "col1": -1763834873450354035345.5, "col2": -0.00000000000001}
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