[
https://issues.apache.org/jira/browse/KYLIN-3832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16778049#comment-16778049
]
Billy Liu commented on KYLIN-3832:
----------------------------------
Postgresql as pushdown engine is not supported by default. The contribution on
postgresql data source adapter is welcomed. To learn more about data source
sdk: http://kylin.apache.org/development/datasource_sdk.html
> Kylin Pushdown query not support postgresql
> -------------------------------------------
>
> Key: KYLIN-3832
> URL: https://issues.apache.org/jira/browse/KYLIN-3832
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: v2.5.2
> Reporter: hailin.huang
> Priority: Major
> Fix For: Future
>
>
> 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)
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
