<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Fixed in 1.9.3: <a href="https://github.com/Rdatatable/data.table/commit/ddc1d23166932198ee826f8e66176266093b0b41">https://github.com/Rdatatable/data.table/commit/ddc1d23166932198ee826f8e66176266093b0b41</a></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div> <div id="bloop_sign_1404146653446557952" class="bloop_sign"><div style="font-family:helvetica,arial;font-size:13px">Arun</div></div> <div style="color:black"><br>From: <span style="color:black">Stavros Macrakis (Σταῦρος Μακράκης)</span> <a href="mailto:macrakis@alum.mit.edu">macrakis@alum.mit.edu</a><br>Reply: <span style="color:black">Stavros Macrakis (Σταῦρος Μακράκης)</span> <a href="mailto:macrakis@alum.mit.edu">macrakis@alum.mit.edu</a><br>Date: <span style="color:black">June 30, 2014 at 6:30:56 PM</span><br>To: <span style="color:black">datatable-help@r-forge.wu-wien.ac.at</span> <a href="mailto:datatable-help@r-forge.wu-wien.ac.at">datatable-help@r-forge.wu-wien.ac.at</a><br>Subject: <span style="color:black"> [datatable-help] Error corrupts tables <br></span></div><br> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
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<div class="gmail_default"><font face="courier new, monospace">>
library(data.table)</font></div>
<div class="gmail_default"><font face="courier new, monospace">data.table 1.9.2 For help type:
help("data.table")</font></div>
<div class="gmail_default"><font face="courier new, monospace">>
test <- data.table(a=1:10,b=1:10%%6==0,key="a")</font></div>
<div class="gmail_default"><font face="courier new, monospace">>
test[b==1][test,b,roll=2]</font></div>
<div class="gmail_default"><font face="courier new, monospace">Error in if (!is.null(lhs)) { : missing
value where TRUE/FALSE needed</font></div>
<div class="gmail_default"><font face="courier new, monospace"><br></font></div>
<div class="gmail_default"><font face="georgia, serif">Not sure
what the error is there, but even worse...</font></div>
<div class="gmail_default"><font face="courier new, monospace"><br></font></div>
<div class="gmail_default"><font face="courier new, monospace">>
test</font></div>
<div class="gmail_default">
<div class="gmail_default"><font face="courier new, monospace">Error in if (!is.null(ns)) ns else
tryCatch(loadNamespace(name), error = function(e) {
: </font></div>
<div class="gmail_default"><font face="courier new, monospace"> missing value where TRUE/FALSE
needed</font></div>
<div><font face="courier new, monospace"><br></font></div>
</div>
<div class="gmail_default"><font face="courier new, monospace">>
tables()</font></div>
<div class="gmail_default"><font face="courier new, monospace">Error in if (!is.null(ns)) ns else
tryCatch(loadNamespace(name), error = function(e) {
: </font></div>
<div class="gmail_default"><font face="courier new, monospace"> missing value where TRUE/FALSE
needed</font></div>
<div class="gmail_default"><font face="georgia, serif"><br></font></div>
<div class="gmail_default"><font face="georgia, serif">It looks
like some data structure has been corrupted.</font></div>
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