[29 Aug 2007 1:50] Paul DuBois Noted in 5.1.23 changelog. When mysqlslap was given a query to execute from a file via a --query=file_name option, it executed the query one too many times.[10 Oct 2007 20:13] Sveta Smirnova Bug #31432 was marked as duplicate of this one....
400QueryTokenOverFlowYou have queried tokens too many times. Please try again later.查询Token频率过高,系统限流,请稍后重试。 400InvalidParameter.%sAn error occurred while validating the parameter. The parameter may be missing or invalid.参数校验失败,可能缺失或者传入值非法。
simultaneously and duplicates are removed, the total number of results may end up lower than expected. This parameter will multiply the total number of results requested to compensate for this loss. This is also useful in aggregate mode to avoid returning to a source too many times. Default ...
Editor's Note: Too Many Swimming Pools Toolbox: Easy Web Debugging, Extending Reflector, and More CLR Inside Out: Improving Application Startup Performance Data Points: Standard Query Operators with LINQ Advanced Basics: Office 2007 Files and LINQ Office Space: Simplify SharePoint Development with ...
If an application executes a Transact-SQL statement with parameter markers multiple times, SQL Server will reuse the execution plan from the first execution for the second and subsequent executions (unless the plan ages from the plan cache). The prepare/execute model still has these benefits:...
Too many Or operators can make your query nonselective. If your query runs slowly, reorder the Or operator clause towards the top of the query clauses.Save your queryDue to internal optimizations, saved queries tend to perform better over unsaved queries. Always save your query when you plan...
400QueryTokenOverFlowYou have queried tokens too many times. Please try again later.查询token频率过高,系统限流,请稍后重试。 500SystemOverFlowAn error occurred while processing your request. Please try again.系统限流,请重试。 400InvalidParameter.%sAn error occurred while validating the parameter. The ...
Caused by: org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 8 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:80) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(...
You can create your own aggregate functions, too. At a minimum, you need to define function, but you can also completely customize the SQL that is generated. Here’s a brief example: from django.db.models import Aggregate class Sum(Aggregate): # Supports SUM(ALL field). function = 'SUM...
Of course, application writers often need to be very explicit about where and when a query is executed. It would be unexpected if an application were to execute a query multiple times simply because it needed to examine the results more than once. For example, you may want to bind the res...