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https://issues.apache.org/jira/browse/FLINK-1820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500173#comment-14500173
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ASF GitHub Bot commented on FLINK-1820:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/566#discussion_r28610554
--- Diff:
flink-core/src/main/java/org/apache/flink/types/parser/FloatParser.java ---
@@ -48,7 +52,7 @@ public int parseField(byte[] bytes, int startPos, int
limit, byte[] delimiter, F
catch (NumberFormatException e) {
setErrorState(ParseErrorState.NUMERIC_VALUE_FORMAT_ERROR);
return -1;
- }
+ }
}
--- End diff --
Whitespace
> Bug in DoubleParser and FloatParser - empty String is not casted to 0
> ---------------------------------------------------------------------
>
> Key: FLINK-1820
> URL: https://issues.apache.org/jira/browse/FLINK-1820
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.8.0, 0.9, 0.8.1
> Reporter: Felix Neutatz
> Assignee: Felix Neutatz
> Priority: Critical
> Fix For: 0.9
>
>
> Hi,
> I found the bug, when I wanted to read a csv file, which had a line like:
> "||\n"
> If I treat it as a Tuple2<Long,Long>, I get as expected a tuple (0L,0L).
> But if I want to read it into a Double-Tuple or a Float-Tuple, I get the
> following error:
> java.lang.AssertionError: Test failed due to a
> org.apache.flink.api.common.io.ParseException: Line could not be parsed: '||'
> ParserError NUMERIC_VALUE_FORMAT_ERROR
> This error can be solved by adding an additional condition for empty strings
> in the FloatParser / DoubleParser.
> We definitely need the CSVReader to be able to read "empty values".
> I can fix it like described if there are no better ideas :)
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