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https://issues.apache.org/jira/browse/BEAM-8583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirill Kozlov updated BEAM-8583:
--------------------------------
    Description: 
* 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.

> [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
>          Time Spent: 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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