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Posted to issues@beam.apache.org by "Kirill Kozlov (Jira)" <ji...@apache.org> on 2019/11/15 20:59:00 UTC
[jira] [Resolved] (BEAM-8583) [SQL] BigQuery should support
predicate push-down in DIRECT_READ mode
[ https://issues.apache.org/jira/browse/BEAM-8583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kirill Kozlov resolved BEAM-8583.
---------------------------------
Fix Version/s: 2.18.0
Resolution: Fixed
> [SQL] BigQuery should support predicate push-down in DIRECT_READ mode
> ---------------------------------------------------------------------
>
> Key: BEAM-8583
> URL: https://issues.apache.org/jira/browse/BEAM-8583
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Kirill Kozlov
> Assignee: Kirill Kozlov
> Priority: Major
> Fix For: 2.18.0
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> * Add BigQuery Dialect with TypeTranslation (since it is not implemented in Calcite 1.20.0, but is present in unreleased versions).
> * Create a BigQueryFilter class.
> * BigQueryTable#buildIOReader should translate supported filters into a Sql string and pass it to BigQueryIO.
>
> Potential improvements:
> * After updating vendor Calcite, class `BigQuerySqlDialectWithTypeTranslation` can be deleted and Calcite's `BigQuerySqlDialect` can be utilized instead.
> * Once BigQuery adds support for more filters, `BigQueryFilter#isSupported` should be updated.
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