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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-2027) SQL 'similar' functionality having issues with large datasets
Date Tue, 24 Feb 2015 23:45:05 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aman Sinha resolved DRILL-2027.
-------------------------------
       Resolution: Duplicate
    Fix Version/s: 0.8.0

> SQL 'similar' functionality having issues with large datasets
> -------------------------------------------------------------
>
>                 Key: DRILL-2027
>                 URL: https://issues.apache.org/jira/browse/DRILL-2027
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: SQL Parser
>            Reporter: Rahul Challapalli
>            Assignee: Aman Sinha
>             Fix For: 0.8.0
>
>         Attachments: wide-strings-small.tbl
>
>
> git.commit.id.abbrev=5a28066
> The below query runs when the dataset has 10 (or even 1000) records. However if I just
copy over the same record set 100000 times then the below query is failing
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select * from `wide-strings-large.tbl` where
columns[3] similar to '%NqP%';
> Query failed: Query failed: Failure while trying to start remote fragment, Expression
has syntax error! line 1:0:no viable alternative at input 'similar' [ 48b1fa16-6f3e-4bf5-9eb7-9c4a385d09b9
on qa-node190.qa.lab:31010 ]
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Below are the contents of the log file :
> {code}
> org.apache.drill.exec.rpc.RemoteRpcException: Failure while trying to start remote fragment,
Expression has syntax error! line 1:15:no viable alternative at input 'similar' [ e4e39df0-4811-4706-a5ad-7fd93e64b72c
on qa-node190.qa.lab:31010 ]
>         at org.apache.drill.exec.rpc.CoordinationQueue.updateFailedFuture(CoordinationQueue.java:153)
[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:227) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
[netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
[netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
[netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[netty-common-4.0.24.Final.jar:4.0.24.Final]
>         at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> {code}
> I attached the dataset with 10 records. For the larger dataset just copy over the smaller
one multiple times



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