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https://issues.apache.org/jira/browse/PIG-3110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13547697#comment-13547697
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Daniel Dai commented on PIG-3110:
---------------------------------
Here is the code introduce the issue:
{code}
try {
return Long.parseLong(str);
} catch (NumberFormatException e) {
try {
Double d = Double.valueOf(str);
// Need to check for an overflow error
if (d.doubleValue() >
mMaxLong.doubleValue() + 1.0) {
LogUtils.warn(CastUtils.class,
"Value " + d
+ " too large
for long",
PigWarning.TOO_LARGE_FOR_INT, mLog);
return null;
}
return Long.valueOf(d.longValue());
}
}
{code}
Not sure why we still try double, seems adding more confusion. Shall we change?
> pig corrupts chararrays with trailing whitespace when converting them to long
> -----------------------------------------------------------------------------
>
> Key: PIG-3110
> URL: https://issues.apache.org/jira/browse/PIG-3110
> Project: Pig
> Issue Type: Bug
> Components: data
> Affects Versions: 0.10.0
> Reporter: Ido Hadanny
>
> when trying to convert the following string into long, pig corrupts it. data:
> 1703598819951657279 ,44081037
> data1 = load 'data' using CSVLoader as (a: chararray ,b: int);
> data2 = foreach data1 generate (long)a as a;
> dump data2;
> (1703598819951657216) <--- last 2 digits are corrupted
> data2 = foreach data1 generate (long)TRIM(a) as a;
> dump data2;
> (1703598819951657279) <--- correct
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