本文整理汇总了C#中MicroLite.Builder.SelectSqlBuilder.Count方法的典型用法代码示例。如果您正苦于以下问题：C# SelectSqlBuilder.Count方法的具体用法？C# SelectSqlBuilder.Count怎么用？C# SelectSqlBuilder.Count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.Count方法的5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: SelectCountWithSqlCharacters
public void SelectCountWithSqlCharacters()
{
var sqlBuilder = new SelectSqlBuilder(MsSqlCharacters.Instance, (string)null);
var sqlQuery = sqlBuilder
.Count("Id")
.From(typeof(Customer))
.Where("CustomerStatusId").IsEqualTo(CustomerStatus.Active)
.ToSqlQuery();
Assert.Equal("SELECT COUNT([Id]) AS Id 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2: SelectCountWithOtherColumn
public void SelectCountWithOtherColumn()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty, "CustomerStatusId");
var sqlQuery = sqlBuilder
.Count("Id")
.From(typeof(Customer))
.GroupBy("CustomerStatusId")
.ToSqlQuery();
Assert.Equal("SELECT CustomerStatusId,COUNT(Id) AS Id FROM Sales.Customers GROUP BY CustomerStatusId", sqlQuery.CommandText);
Assert.Empty(sqlQuery.Arguments);
}示例3: SelectChainingMultipleFunctions
public void SelectChainingMultipleFunctions()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty, "Column1");
var sqlQuery = sqlBuilder
.Count("Column2", "Col2")
.Max("Column3", "Col3")
.From("Table")
.ToSqlQuery();
Assert.Equal("SELECT Column1,COUNT(Column2) AS Col2,MAX(Column3) AS Col3 FROM Table", sqlQuery.CommandText);
Assert.Empty(sqlQuery.Arguments);
}示例4: SelectCountWithAlias
public void SelectCountWithAlias()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty, (string)null);
var sqlQuery = sqlBuilder
.Count("Id", columnAlias: "CustomerCount")
.From(typeof(Customer))
.ToSqlQuery();
Assert.Equal("SELECT COUNT(Id) AS CustomerCount FROM Sales.Customers", sqlQuery.CommandText);
Assert.Empty(sqlQuery.Arguments);
}示例5: CountThrowsArgumentExceptionForNullColumnAlias
public void CountThrowsArgumentExceptionForNullColumnAlias()
{
var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty);
var exception = Assert.Throws<ArgumentException>(
() => sqlBuilder.Count("Column", null));
Assert.Equal(ExceptionMessages.ArgumentNullOrEmpty.FormatWith("columnAlias"), exception.Message);
}