插入失败,报如下错误: 2018-02-26T21:08:40.382+0800E QUERY[main]TypeError: db.students.batchInsertisnotafunction:@(shell):1:1 原因:书中示例batchInsert是按照version:2.4.0运行的,到本版本已经废弃该方法 解决方法:直接使用insert实现对students集合批量插入 db.students.insert([{"classid" : 1, "age"...
connect = await mongoose.connect('mongodb://localhost:27017/yiztest', { useNewUrlParser: true, useUnifiedTopology: true }); const Schema = connect .Schema; // 用户表模型 const UsersSchema = new Schema({ id: Number, name: String, password: String }); // 此处的users集合名一定要用复数,...
🐛 Bug Report When trying to use insertRow (or insertRows) method I getting error: TypeError: worksheet.insertRow is not a function Lib version: "4.0.1" Steps To Reproduce const workbook = new Excel.Workbook() const worksheet = workbook.a...
CREATE TABLE EmployeeTitles ( EmployeeKey INT NOT NULL, LastName varchar(40) NOT NULL, Title varchar(50) NOT NULL ); INSERT INTO EmployeeTitles SELECT EmployeeKey, LastName, Title FROM ssawPDW.dbo.DimEmployee WHERE EndDate IS NULL;
server_name can be specified as a linked server name, or by using the OPENDATASOURCE function. When server_name is specified as a linked server, database_name and schema_name are required. When server_name is specified with OPENDATASOURCE, database_name and schema_name may not apply to all...
A.首先事务T1获取到了ua中记录10的lock x,rec not not gap锁 B.事务T2尝试获取ua中记录10的lock s, next key lock,由于T1持有了记录的独占锁,因此被T1堵塞 C.事务T1尝试获取ua中记录10的lock x, gap before rec,insert intention,但被堵塞 2、提出问题 ...
successfully inserted.LAST_INSERT_ID()is not reset between statements because the value of that function is maintained in the server. Another difference frommysql_insert_id()is thatLAST_INSERT_ID()is not updated if you set anAUTO_INCREMENTcolumn to a specific nonspecial value. SeeInformation ...
Anexpressionof the type described inExpressions, that does not include an aggregate function or column name. Ifexpressionis avariable, the variable can identify a structure. If extended indicator variables are enabled and the expression is not a single variable, the extended indicator variable values...
A.首先事务T1获取到了ua中记录10的lock x,rec not not gap锁 B.事务T2尝试获取ua中记录10的lock s, next key lock,由于T1持有了记录的独占锁,因此被T1堵塞 C.事务T1尝试获取ua中记录10的lock x, gap before rec,insert intention,但被堵塞 2、提出问题 ...
This API is not CLS-compliant. Inserts the string representation of a 32-bit unsigned integer into this instance at the specified character position. C# Copy [System.CLSCompliant(false)] public System.Text.StringBuilder Insert (int index, uint value); Parameters index Int32 The position in th...