DistinctCountAliasFieldInfo 类

命名空间

ShadowSql.Aggregates

程序集

ShadowSql.Core.dll

去重字段统计别名

public class DistinctCountAliasFieldInfo : DistinctCountFieldInfoBase, IAggregateFieldAlias, IAggregate, IFieldAlias, IFieldView, IView, IMatch, ISqlEntity

继承

object

VariantFieldInfoBase<ICompareField>

DistinctCountFieldInfoBase

DistinctCountAliasFieldInfo

实现

IAggregateFieldAlias

IAggregate

IFieldAlias

IFieldView

IView

IMatch

ISqlEntity

继承成员

VariantFieldInfoBase<ICompareField>._target

VariantFieldInfoBase<ICompareField>.Target

构造函数

DistinctCountAliasFieldInfo(ICompareField, string)

去重字段统计别名

public DistinctCountAliasFieldInfo(ICompareField field, string fieldName)

参数

field ICompareField

fieldName string

属性

Alias

别名

public string Alias { get; }

属性值

string

方法

IsMatch(string)

匹配

public bool IsMatch(string fieldName)

参数

fieldName string

返回

bool

WriteCore(ISqlEngine, StringBuilder)

拼写sql

protected override void WriteCore(ISqlEngine engine, StringBuilder sql)

参数

engine ISqlEngine

数据库引擎

sql StringBuilder

sql