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Posted to issues@kylin.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/12/20 10:44:01 UTC
[jira] [Commented] (KYLIN-3832) Kylin pushdown to support
postgresql
[ https://issues.apache.org/jira/browse/KYLIN-3832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17000805#comment-17000805 ]
ASF GitHub Bot commented on KYLIN-3832:
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nichunen commented on pull request #902: KYLIN-3832 Query pushdown support postgresql
URL: https://github.com/apache/kylin/pull/902
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> Kylin pushdown to support postgresql
> ------------------------------------
>
> Key: KYLIN-3832
> URL: https://issues.apache.org/jira/browse/KYLIN-3832
> Project: Kylin
> Issue Type: New Feature
> Components: Query Engine
> Affects Versions: v2.5.2
> Reporter: hailin.huang
> Assignee: weibin0516
> Priority: Major
>
> when I run pushdown to postgresql in my env, I encount the below exception.
> it seems that kylin need support more JDBC Driver, PushDownRunnerJdbcImpl.class should be more general.
> 2019-02-26 16:12:53,168 ERROR [Query 207dcf77-7c14-8078-ea8b-79644a0c576d-48] service.QueryService:989 : pushdown engine failed current query too
> java.sql.SQLException: Unrecognized column type: int8
> at org.apache.kylin.query.adhoc.PushDownRunnerJdbcImpl.toSqlType(PushDownRunnerJdbcImpl.java:260)
> at org.apache.kylin.query.adhoc.PushDownRunnerJdbcImpl.extractColumnMeta(PushDownRunnerJdbcImpl.java:192)
> at org.apache.kylin.query.adhoc.PushDownRunnerJdbcImpl.executeQuery(PushDownRunnerJdbcImpl.java:68)
> at org.apache.kylin.query.util.PushDownUtil.tryPushDownQuery(PushDownUtil.java:122)
> at org.apache.kylin.query.util.PushDownUtil.tryPushDownSelectQuery(PushDownUtil.java:69)
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