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https://issues.apache.org/jira/browse/CRUNCH-97?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503364#comment-13503364
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Gabriel Reid commented on CRUNCH-97:
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I just (finally) took a look at the new ReviewBoard patch of this
(https://reviews.apache.org/r/8151/), and I'm even more enthusiastic about this
now -- it almost seems amazing that we didn't have something like this already,
as it's going to be incredibly useful.
Just a few small comments on it (I'm putting my comments here instead of on
ReviewBoard, not sure which is best)
- The group name used for the error counters in Parse.java is "test". It would
be good to have a better default ("parse"?), and/or add it as a parameter to
Parse#parse and Parse#parseTable
- It might be helpful to add debug logging to the parsing error condition in
AbstractSimpleExtractor and AbstractCompositeExtractor. As it is right now, if
there's a field that isn't parsing properly somewhere in an input using the
built-in numerical parsing, there's no way of finding where it's going wrong.
- It might be good to add a bit of javadoc to the fieldErrors field and getter
in ExtractorStats, as it wasn't immediately clear to me exactly how this was to
be filled in (on the other hand, in most cases this won't be used directly
anyhow, so it's probably not that important).
> Add helpers for parsing PCollection<String> instances
> -----------------------------------------------------
>
> Key: CRUNCH-97
> URL: https://issues.apache.org/jira/browse/CRUNCH-97
> Project: Crunch
> Issue Type: Improvement
> Components: Core
> Reporter: Josh Wills
> Assignee: Josh Wills
> Fix For: 0.5.0
>
> Attachments: CRUNCH-97.patch, CRUNCH-97-take2.patch
>
>
> We should make it a bit easier to parse delimited text files into specific
> data types (e.g., ints, floats, etc.) or combinations of types-- e.g., pairs
> of strings and ints, a Tuple3 of booleans, etc.
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