[英]Exception in thread “main” com.datastax.driver.core.exceptions.InvalidQueryException: Unknown definition referenced in PRIMARY KEY
I am trying to create tables in Cassandra using JAVA API. 我正在尝试使用JAVA API在Cassandra中创建表。
This query works perfectly and creates the table. 该查询可以完美地工作并创建表。
String query = "CREATE TABLE IF NOT EXISTS TopQuery1(term text , "
+"year text , "
+"month text , "
+"day text , "
+"hour text , "
+"count counter,"
+"PRIMARY KEY (\"term\", \"year\", \"month\", \"day\", \"hour\" ));";
But when I execute the following query it throws an error. 但是,当我执行以下查询时,它将引发错误。
String query = "CREATE TABLE IF NOT EXISTS TopQuery2(term text , "
+"year text , "
+"month text , "
+"day text , "
+"hour text , "
+"dayOfYear int , "
+"weekOfYear int , "
+"ProductCount int , "
+"count counter,"
+"PRIMARY KEY (\"term\", \"year\", \"month\", \"day\", \"hour\", \"dayOfYear\", \"weekOfYear\", \"ProductCount\"));";
This is the error : 这是错误:
Exception in thread "main" com.datastax.driver.core.exceptions.InvalidQueryException: Unknown definition dayOfYear referenced in PRIMARY KEY
at com.datastax.driver.core.exceptions.InvalidQueryException.copy(InvalidQueryException.java:35)
at com.datastax.driver.core.DefaultResultSetFuture.extractCauseFromExecutionException(DefaultResultSetFuture.java:289)
at com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(DefaultResultSetFuture.java:205)
at com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:52)
at com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:36)
at CreateTable.main(CreateTable.java:81)
Caused by: com.datastax.driver.core.exceptions.InvalidQueryException: Unknown definition dayOfYear referenced in PRIMARY KEY
at com.datastax.driver.core.Responses$Error.asException(Responses.java:103)
at com.datastax.driver.core.DefaultResultSetFuture.onSet(DefaultResultSetFuture.java:140)
at com.datastax.driver.core.RequestHandler.setFinalResult(RequestHandler.java:293)
at com.datastax.driver.core.RequestHandler.onSet(RequestHandler.java:455)
at com.datastax.driver.core.Connection$Dispatcher.messageReceived(Connection.java:734)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.handler.timeout.IdleStateAwareChannelUpstreamHandler.handleUpstream(IdleStateAwareChannelUpstreamHandler.java:36)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:294)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
I seriously don't understand what I am missing. 我真的不明白我在想什么。
Column names are case-insensitive by default, unless you enclose them in double quotes. 列名默认情况下不区分大小写,除非您将其用双引号引起来。
When you define the column you don't use quotes, so it's called dayofyear
: 在定义列时,您不使用引号,因此称为
dayofyear
:
+"dayOfYear int , "
But in your primary key definition you use quotes, so it's looking for a column called dayOfYear
: 但是在您的主键定义中,您使用引号,因此它正在寻找一个名为
dayOfYear
的列:
+"PRIMARY KEY (... \"dayOfYear\" ...)";
Either use quotes everywhere or nowhere (depending on whether case sensitivity matters). 可以在任何地方或任何地方都不使用引号(取决于是否区分大小写)。
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