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https://issues.apache.org/jira/browse/BEAM-7777?focusedWorklogId=296781&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-296781
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ASF GitHub Bot logged work on BEAM-7777:
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Author: ASF GitHub Bot
Created on: 17/Aug/19 13:56
Start Date: 17/Aug/19 13:56
Worklog Time Spent: 10m
Work Description: alexvanboxel commented on pull request #9368:
[BEAM-7777] Fix BigQuery timestamp handling for Schema Aware PCollection
URL: https://github.com/apache/beam/pull/9368
This fixes the handling of timestamps when reading for BigQuery. As it
was assumed BigQuery always outputs a Double, reading a table directly
outputs a textual version in the JSON. This is now handled. Also the
from Beam Row also outputs the BigQuery textual version, iso the ISO
standard representation, this makes the implementation symmetric.
_Tested on DirectRunner and DataflowRunner_
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Issue Time Tracking
-------------------
Worklog Id: (was: 296781)
Time Spent: 1h 20m (was: 1h 10m)
> Stream Cost Model and RelNode Cost Estimation
> ---------------------------------------------
>
> Key: BEAM-7777
> URL: https://issues.apache.org/jira/browse/BEAM-7777
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Alireza Samadianzakaria
> Assignee: Alireza Samadianzakaria
> Priority: Major
> Fix For: Not applicable
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Currently the cost model is not suitable for streaming jobs. (it uses row
> count and for estimating the output row count of each node it is using
> calcite estimations that are only applicable to bounded data.)
> We need to implement a new cost model and implement cost estimation for all
> of our physical nodes.
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