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colClasses=logical is no longer working #2766

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colClasses=logical is no longer working#2766
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bugfread
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1.12.0

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@st-pasha
st-pasha
opened on Apr 18, 2018

This appears to be a very similar issue to #2251, which hopefully means that a similar solution can be applied.

> fread("A,B\n1,TRUE", colClasses=c("integer", "logical"))
Error in fread("A,B\n1,TRUE", colClasses = c("integer", "logical")) : 
  Attempt to override column 2 <<B>> of inherent type 'bool8' down to 'bool8' which will lose accuracy. If this was intended, please coerce to the lower type afterwards. Only overrides to a higher type are permitted.

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  1. st-pasha
    added
    bug
    fread
    on Apr 18, 2018
  2. st-pasha
    added this to the milestone on Apr 18, 2018
  3. mattdowle
    modified the milestones: v1.11.0, on Apr 29, 2018

  4. mattdowle commented on Jan 11, 2019

    @mattdowle
    mattdowle
    on Jan 11, 2019
    Member

    I'm not sure when this was fixed, but it's fixed now. I'll add a test.

    > fread("A,B\n1,TRUE", colClasses=c("integer", "logical"))
       A      B
   <int> <lgcl>
1:     1   TRUE
  5. mattdowle
    closed this as completedin 6346a88on Jan 11, 2019
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