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ASF GitHub Bot logged work on BEAM-2969:
----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Mar/19 01:59
Start Date: 13/Mar/19 01:59
Worklog Time Spent: 10m
Work Description: udim commented on pull request #8046: [BEAM-2969]
Handle negative AVRO timestamps
URL: https://github.com/apache/beam/pull/8046
from BigQuery batch loads.
Also simplifies the code a bit. Microsecond part will have trailing
zeroes.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 212180)
Time Spent: 10m
Remaining Estimate: 0h
> BigQueryIO fails when reading then writing timestamps before 1970
> -----------------------------------------------------------------
>
> Key: BEAM-2969
> URL: https://issues.apache.org/jira/browse/BEAM-2969
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: Kevin Peterson
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I have a batch pipeline which reads from BigQuery (via standard sql query),
> does a small transform, and writes the data back to BigQuery.
> This fails if any timestamps are present in the BQ data from before 1970:
> {{"message" : "JSON parsing error in row starting at position 0: Couldn't
> convert value to timestamp: Could not parse '1969-12-28 02:52:54.-484 UTC' as
> a timestamp. Required format is YYYY-MM-DD HH:MM[:SS[.SSSSSS]] Field:
> observed_timestamp; Value: 1969-12-28 02:52:54.-484 UTC",}}
> It appears the TableRow coder doesn't handle negative timestamps properly,
> using a negative number for the fractions of a second, which BQ considers
> invalid.
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