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[feature request]pick 字段过滤增加反向过滤功能 #51

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HaveF opened this issue Feb 13, 2019 · 0 comments

HaveF commented Feb 13, 2019

*Link:

Transform 数据转换 · pick 字段过滤

dv.transform({
  type: 'pick',
  fields: [ 'xxx', 'yyy' ] // 决定保留哪些字段，如果不传，则返回所有字段
});

能不能再加个反向的逻辑, 即, 决定不保留哪些字段? 看了下源码, 没太看懂怎么加....

如果如下简单凑合也是能用的, 但这种, 不能 dv.transform...transform...transform...而且可能还有其他问题

fields: Object.keys(dv.rows[0]).filter(f=> !['zzz', 'aaa'].includes(f))

Platform:
Mini Showcase(like screenshots):

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