我正在尝试使用Case和Sum一起运行oracle查询,它给我一个错误,说我缺少正确的括号。 下面的查询, SELECT c.Customer_name, WHEN SUM(status = 'DELIVERED') > 0 THEN 'B'
WHEN SUM(status = 'SUBMITTED') > 0 THEN
RunServerTask.run(ClientProxyImpl.java:267) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source上启动java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown源)在java.lang.Thread.run(未知源)引起的: javax.websocket.DeploymentException:启动RunServerTask.run(ClientProxyImpl.jav