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Posted to issues@calcite.apache.org by "Kirill Kozlov (Jira)" <ji...@apache.org> on 2019/09/30 18:01:00 UTC

[jira] [Updated] (CALCITE-3381) BigQuerySqlDialect should cast Calcite SQL types to BigQuery types

     [ https://issues.apache.org/jira/browse/CALCITE-3381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirill Kozlov updated CALCITE-3381:
-----------------------------------
    Description: 
When using `SqlImplementor.SimpleContext#toSql` with BigQuerySqlDialect on Rel nodes containing `CAST` need to convert Calcite SqlTypeName to BigQuery supported types ([https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types]).

I believe this can be accomplished by Overriding BigQuerySqlDialect#getCastSpec method.

Example: VARCHAR should become a STRING, BOOLEAN - BOOL, and so on.

  was:
When using `SqlImplementor.SimpleContext#toSql` with BigQuerySqlDialect on Rel nodes containing `CAST` need to convert Calcite SqlTypeName to BigQuery supported types ([https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types]).

Example: VARCHAR should become a STRING, BOOLEAN - BOOL, and so on.

        Summary: BigQuerySqlDialect should cast Calcite SQL types to BigQuery types  (was: Add `getCastSpec` for BigQuerySqlDialect)

> BigQuerySqlDialect should cast Calcite SQL types to BigQuery types
> ------------------------------------------------------------------
>
>                 Key: CALCITE-3381
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3381
>             Project: Calcite
>          Issue Type: New Feature
>          Components: core
>    Affects Versions: 1.21.0
>            Reporter: Kirill Kozlov
>            Priority: Minor
>
> When using `SqlImplementor.SimpleContext#toSql` with BigQuerySqlDialect on Rel nodes containing `CAST` need to convert Calcite SqlTypeName to BigQuery supported types ([https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types]).
> I believe this can be accomplished by Overriding BigQuerySqlDialect#getCastSpec method.
> Example: VARCHAR should become a STRING, BOOLEAN - BOOL, and so on.



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