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Posted to issues@flink.apache.org by "buptljy (JIRA)" <ji...@apache.org> on 2018/08/18 06:34:00 UTC
[jira] [Commented] (FLINK-10168) support filtering files by
modified/created time in StreamExecutionEnvironment.readFile()
[ https://issues.apache.org/jira/browse/FLINK-10168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16584675#comment-16584675 ]
buptljy commented on FLINK-10168:
---------------------------------
[~phoenixjiangnan] Thanks! I think this will be a good improvement. We can define some readfile functions, which are based on the prefix and suffix of file names and last modified time.
However, is it necessary to expose a generic filter function and let developers define their own file filters? Do we really have so many different application scenarios of readfile function? As far as I know, most cases can be covered by the three functions above.
> support filtering files by modified/created time in StreamExecutionEnvironment.readFile()
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-10168
> URL: https://issues.apache.org/jira/browse/FLINK-10168
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Affects Versions: 1.6.0
> Reporter: Bowen Li
> Assignee: buptljy
> Priority: Major
> Fix For: 1.7.0
>
>
> support filtering files by modified/created time in {{StreamExecutionEnvironment.readFile()}}
> for example, in a source dir with lots of file, we only want to read files that is created or modified after a specific time.
> This API can expose a generic filter function of files, and let users define filtering rules. Currently Flink only supports filtering files by path.
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