AggregateAliasFieldInfo 类

命名空间

ShadowSql.Aggregates

程序集

ShadowSql.Core.dll

聚合字段别名信息

public class AggregateAliasFieldInfo : AggregateFieldInfoBase, IAggregateFieldAlias, IAggregate, IFieldAlias, IFieldView, IView, IMatch, ISqlEntity

继承

object

VariantFieldInfoBase<ICompareField>

AggregateFieldInfoBase

AggregateAliasFieldInfo

实现

IAggregateFieldAlias

IAggregate

IFieldAlias

IFieldView

IView

IMatch

ISqlEntity

继承成员

AggregateFieldInfoBase._aggregate

AggregateFieldInfoBase.Aggregate

VariantFieldInfoBase<ICompareField>._target

VariantFieldInfoBase<ICompareField>.Target

构造函数

AggregateAliasFieldInfo(ICompareField, string, string)

聚合字段别名信息

public AggregateAliasFieldInfo(ICompareField field, string aggregate, string aliasName = "")

参数

field ICompareField

字段

aggregate string

聚合

aliasName string

别名

属性

Alias

别名

public string Alias { get; }

属性值

string

方法

CheckAlias(string, string, string)

检查别名

public static string CheckAlias(string aggregate, string columnName, string aliasName)

参数

aggregate string

聚合

columnName string

列名

aliasName string

别名

返回

string

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