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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/04/30 18:56:00 UTC
[jira] [Work logged] (BEAM-8307) NPE in Calcite dialect when input
PCollection has logical type in schema, from JdbcIO Transform
[ https://issues.apache.org/jira/browse/BEAM-8307?focusedWorklogId=429198&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-429198 ]
ASF GitHub Bot logged work on BEAM-8307:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Apr/20 18:55
Start Date: 30/Apr/20 18:55
Worklog Time Spent: 10m
Work Description: rahul8383 opened a new pull request #11581:
URL: https://github.com/apache/beam/pull/11581
… type in schema, from JdbcIO Transform
When SqlTransform.query()(BamSql) PTransform is used with JdbcIO, where JdbcIO has logical types, an NPE is thrown in BeamSql when converting Beam Schema to Calcite RelDataType.
This PR handles converting JdbcIO logical types to Calcite RelDataType.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 429198)
Remaining Estimate: 0h
Time Spent: 10m
> NPE in Calcite dialect when input PCollection has logical type in schema, from JdbcIO Transform
> -----------------------------------------------------------------------------------------------
>
> Key: BEAM-8307
> URL: https://issues.apache.org/jira/browse/BEAM-8307
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql, io-java-jdbc
> Affects Versions: 2.15.0
> Reporter: Rahul Patwari
> Assignee: Rahul Patwari
> Priority: Major
> Attachments: exception_sqlTransform.txt
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> An exception is thrown when SqlTransform is used with JdbcIO.
> Schema of the Source Table:
> _CREATE TABLE actor (_
> _actor_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,_
> _first_name VARCHAR(45) NOT NULL,_
> _last_name VARCHAR(45) NOT NULL,_
> _last_update TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,_
> _PRIMARY KEY (actor_id),_
> _KEY idx_actor_last_name (last_name)_
> _)ENGINE=InnoDB DEFAULT CHARSET=utf8;_
>
> Many of the Jdbc Types are converted to Logical_Types in Beam.
> Refer: [https://github.com/apache/beam/blob/113461a4275eb28a101e416897ccd607aa51f83f/sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/SchemaUtil.java#L102]
> The initial observation is that this code: [https://github.com/apache/beam/blob/113461a4275eb28a101e416897ccd607aa51f83f/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/utils/CalciteUtils.java#L207] is returning null.
>
> PFA [^exception_sqlTransform.txt]
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