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mysql 存空值时， float 类型会自动转为 0，该怎么解决

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  •   xyok · Jan 21, 2016 via Smartisan T1 · 1661 views
    This topic created in 3797 days ago, the information mentioned may be changed or developed.
  • 存空值
  • MySQL
  • float
  • 转为
    1 replies  •  2016-01-21 17:16:22 +08:00
    xyok
        1
    xyok  
    OP
       Jan 21, 2016 via Smartisan T1
    load data 时 float 类型的那列是空值，怎么存空值而不是默认 0
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