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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/03 13:59:00 UTC
[jira] [Work logged] (BEAM-10124) ContextualTextIO - An IO that is
provides metadata about the line.
[ https://issues.apache.org/jira/browse/BEAM-10124?focusedWorklogId=506902&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-506902 ]
ASF GitHub Bot logged work on BEAM-10124:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Nov/20 13:58
Start Date: 03/Nov/20 13:58
Worklog Time Spent: 10m
Work Description: tvalentyn opened a new pull request #13247:
URL: https://github.com/apache/beam/pull/13247
Use nested map in side input to represent contextual metadata to avoid building the [FileName x Offset] lookup table to support the current (Name, Offset) -> NumRecordInRange side input, yet have faster lookups for read ranges compared to the FileName -> (Offset, NumRecords) multimap representation (https://github.com/apache/beam/pull/13198).
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 506902)
Remaining Estimate: 1,319h (was: 1,319h 10m)
Time Spent: 25h (was: 24h 50m)
> ContextualTextIO - An IO that is provides metadata about the line.
> -------------------------------------------------------------------
>
> Key: BEAM-10124
> URL: https://issues.apache.org/jira/browse/BEAM-10124
> Project: Beam
> Issue Type: New Feature
> Components: io-ideas
> Reporter: Reza ardeshir rokni
> Assignee: Valentyn Tymofieiev
> Priority: P0
> Fix For: 2.26.0
>
> Original Estimate: 1,344h
> Time Spent: 25h
> Remaining Estimate: 1,319h
>
> There are two important Source IO's that allow for dealing with text files FileIO and TextIO. When the requirements go beyond the scope of TextIO we ask the end user to make use of FileIO and go it on their own.
> We want to correct this experience by creating a more feature rich TextIO which can return along with each line of data contextual information about the line. For example the file that it came from, and the ordinal position of the line within the file.
> Another area that we would like to deal with is more formal support for CSV files by allowing compliance to RFC4180 files. Specifically the RFC allows for line breaks (CRLF) to be used within fields within double quotes.
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