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https://issues.apache.org/jira/browse/CALCITE-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881626#comment-16881626
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Jesus Camacho Rodriguez commented on CALCITE-3189:
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[~julianhyde], not sure if you could take a look since it introduces a new
method {{supportsDataType}} in SQLDialect class? Method can be used by a rule
to determine whether a certain expression may be pushed or not through the JDBC
connection.
> Multiple fixes for Oracle SQL dialect
> -------------------------------------
>
> Key: CALCITE-3189
> URL: https://issues.apache.org/jira/browse/CALCITE-3189
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.20.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Among others, it includes i) SQL translation support for specific types (e.g.
> {{SMALLINT}} --> {{NUMBER(5)}}), ii) limiting max length of {{VARCHAR}} type
> (by default 4000), iii) creating datetime literals correctly, and iv) method
> to infer whether a given data type is supported or not.
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