小编use*_*066的帖子

基于键值从现有散列创建一个新数组

[{"date"=>"2020-09-15", "work_category"=>"CASE PICKS", "count"=>"21315"},
 {"date"=>"2020-09-15", "work_category"=>"LOADING", "count"=>"6401"},
 {"date"=>"2020-09-15", "work_category"=>"PALLET STAGING", "count"=>"6649"},
 {"date"=>"2020-09-15", "work_category"=>"PUTAWAY", "count"=>"4974"},
 {"date"=>"2020-09-15", "work_category"=>"RECEIVING", "count"=>"4108"},
 {"date"=>"2020-09-16", "work_category"=>"CASE PICKS", "count"=>"16842"},
 {"date"=>"2020-09-16", "work_category"=>"LOADING", "count"=>"4987"},
 {"date"=>"2020-09-16", "work_category"=>"PALLET STAGING", "count"=>"5716"},
 {"date"=>"2020-09-16", "work_category"=>"PUTAWAY", "count"=>"6292"},
 {"date"=>"2020-09-16", "work_category"=>"RECEIVING", "count"=>"4894"},
 {"date"=>"2020-09-17", "work_category"=>"CASE PICKS", "count"=>"24849"},
 {"date"=>"2020-09-17", "work_category"=>"LOADING", "count"=>"5303"},
 {"date"=>"2020-09-17", "work_category"=>"PALLET STAGING", "count"=>"5753"},
 {"date"=>"2020-09-17", "work_category"=>"PUTAWAY", "count"=>"5136"},
 {"date"=>"2020-09-17", "work_category"=>"RECEIVING", "count"=>"4699"},
 {"date"=>"2020-09-18", "work_category"=>"CASE PICKS", "count"=>"11806"},
 {"date"=>"2020-09-18", "work_category"=>"LOADING", "count"=>"5147"},
 {"date"=>"2020-09-18", "work_category"=>"PALLET STAGING", "count"=>"5426"},
 {"date"=>"2020-09-18", "work_category"=>"PUTAWAY", "count"=>"5110"},
 {"date"=>"2020-09-18", "work_category"=>"RECEIVING", "count"=>"4534"},
 {"date"=>"2020-09-19", "work_category"=>"CASE PICKS", "count"=>"8086"},
 {"date"=>"2020-09-19", "work_category"=>"LOADING", "count"=>"1753"},
 {"date"=>"2020-09-19", "work_category"=>"PALLET STAGING", "count"=>"2201"},
 {"date"=>"2020-09-19", …
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