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no applicable method for 'escape' applied to an object of class "c('POSIXct', 'POSIXt')" #857

wush978 opened this issue Dec 26, 2014 · 3 comments


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@wush978 wush978 commented Dec 26, 2014

At first, I want to thank your hard work of developing dplyr package to the R community. This is one of the best package to do data manipulation in R and it does a lot of helps in my work.

Recently, I am trying the database API and filter a datetime column in PostgreSQL. I have the following error message:

> filter(hourly_rps_mode, time == time_value)
Error in UseMethod("escape") : 
  no applicable method for 'escape' applied to an object of class "c('POSIXct', 'POSIXt')"

It could be fixed easily by:

escape.POSIXt <- dplyr:::escape.Date

Could you add this to the package?

eibanez added a commit to eibanez/dplyr that referenced this issue May 6, 2015
@hadley hadley added this to the 0.5 milestone May 19, 2015
@hadley hadley closed this in #1128 Aug 24, 2015
@hadley hadley reopened this Aug 24, 2015
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@nelsonauner nelsonauner commented Dec 11, 2015

👍 I still encounter this error and am able to fix it in the way described by @wush978

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@hadley hadley commented Mar 7, 2016

For maximum compatibility, need to convert to ISO 8601 in UTC.

@hadley hadley closed this in 963195a Mar 7, 2016
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@dbuijs dbuijs commented May 26, 2016

Had the error this morning on dplyr 0.4.3, connecting to postgresql 9.3, with RPostgreSQL 0.4, doing a filter operation on a POSIXct column (or something that RPostgreSQL turns into a POSIXct column)..

Work around described by @wush978 above addressed the issue.

If the patch applied on Mar 7 hasn't yet been applied to the CRAN version of dplyr, then please disregard.

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4 participants