本文整理汇总了C#中MicroLite.Builder.SelectSqlBuilder.Average方法的典型用法代码示例。如果您正苦于以下问题:C# SelectSqlBuilder.Average方法的具体用法?C# SelectSqlBuilder.Average怎么用?C# SelectSqlBuilder.Average使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MicroLite.Builder.SelectSqlBuilder
的用法示例。
在下文中一共展示了SelectSqlBuilder.Average方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: AverageThrowsArgumentExceptionForNullColumnAlias
public void AverageThrowsArgumentExceptionForNullColumnAlias()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty);
var exception = Assert.Throws<ArgumentException>(
() => sqlBuilder.Average("Column", null));
Assert.Equal(ExceptionMessages.ArgumentNullOrEmpty.FormatWith("columnAlias"), exception.Message);
}
示例2: SelectAverageWithSqlCharacters
public void SelectAverageWithSqlCharacters()
{
var sqlBuilder = new SelectSqlBuilder(MsSqlCharacters.Instance, (string)null);
var sqlQuery = sqlBuilder
.Average("CreditLimit")
.From(typeof(Customer))
.Where("CustomerStatusId").IsEqualTo(CustomerStatus.Active)
.ToSqlQuery();
Assert.Equal("SELECT AVG([CreditLimit]) AS CreditLimit FROM [Sales].[Customers] WHERE ([CustomerStatusId] = @p0)", sqlQuery.CommandText);
Assert.Equal(1, sqlQuery.Arguments.Count);
Assert.Equal(DbType.Int32, sqlQuery.Arguments[0].DbType);
Assert.Equal(CustomerStatus.Active, sqlQuery.Arguments[0].Value);
}
示例3: SelectAverageWithOtherColumn
public void SelectAverageWithOtherColumn()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty, "Id");
var sqlQuery = sqlBuilder
.Average("CreditLimit")
.From(typeof(Customer))
.Where("CustomerStatusId").IsEqualTo(CustomerStatus.Active)
.GroupBy("CustomerStatusId")
.ToSqlQuery();
Assert.Equal("SELECT Id,AVG(CreditLimit) AS CreditLimit FROM Sales.Customers WHERE (CustomerStatusId = ?) GROUP BY CustomerStatusId", sqlQuery.CommandText);
Assert.Equal(1, sqlQuery.Arguments.Count);
Assert.Equal(DbType.Int32, sqlQuery.Arguments[0].DbType);
Assert.Equal(CustomerStatus.Active, sqlQuery.Arguments[0].Value);
}
示例4: SelectAverageWithAlias
public void SelectAverageWithAlias()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty, (string)null);
var sqlQuery = sqlBuilder
.Average("CreditLimit", columnAlias: "AverageCreditLimit")
.From(typeof(Customer))
.Where("CustomerStatusId").IsEqualTo(CustomerStatus.Active)
.ToSqlQuery();
Assert.Equal("SELECT AVG(CreditLimit) AS AverageCreditLimit FROM Sales.Customers WHERE (CustomerStatusId = ?)", sqlQuery.CommandText);
Assert.Equal(1, sqlQuery.Arguments.Count);
Assert.Equal(DbType.Int32, sqlQuery.Arguments[0].DbType);
Assert.Equal(CustomerStatus.Active, sqlQuery.Arguments[0].Value);
}