如何加入下面两张表？
java.lang.IllegalArgumentException: Part {http://one/}return should be of type [Lone.Pojo;, not one.Pojo
at org.apache.cxf.jaxb.io.DataWriterImpl.checkPart(DataWriterImpl.java:273)
at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:205)
at org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor.writeParts(AbstractOutDatabindingInterceptor.java:114)
at org.apache.cxf.interceptor.BareOutInterceptor.handleMessage(BareOutInterceptor.java:68)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:77)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.phase.PhaseInterceptorChain.resume(PhaseInterceptorChain.java:242)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:78)
at org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:355)
at org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:319)
at org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:72)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1088)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1024)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:193)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handleAsync(Server.java:410)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:519)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:745)
我想将routing_hour与路由表和production_price从工作中心相乘。
我尝试了这个，但它不起作用：
routing
routing_id |work_center_id |description |machine|UOM |production_hour
work_center
work_center_id| routing_id |production_price
答案 0 :(得分：1)
在查询中使用Typo并使用显式连接。
SELECT (wc.production_price * r.production_hour) AS production_cost
FROM routing r
INNER JOIN work_center wc ON r.routing_id = wc.work_center_id
答案 1 :(得分：0)
查询：
SELECT (r.production_hour * wc.production_price) AS cost
FROM routing r, work_center wc
WHERE wc.work_center_id = r.routing_id