SqlTranslatingExpressionVisitor 构造函数
定义
重要
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重载
SqlTranslatingExpressionVisitor(SqlTranslatingExpressionVisitorDependencies, RelationalQueryModelVisitor, SelectExpression, Expression, Boolean)
创建 SqlTranslatingExpressionVisitor 的新实例。
public SqlTranslatingExpressionVisitor(Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitorDependencies dependencies, Microsoft.EntityFrameworkCore.Query.RelationalQueryModelVisitor queryModelVisitor, Microsoft.EntityFrameworkCore.Query.Expressions.SelectExpression targetSelectExpression = default, System.Linq.Expressions.Expression topLevelPredicate = default, bool inProjection = false);new Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitor : Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitorDependencies * Microsoft.EntityFrameworkCore.Query.RelationalQueryModelVisitor * Microsoft.EntityFrameworkCore.Query.Expressions.SelectExpression * System.Linq.Expressions.Expression * bool -> Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitorPublic Sub New (dependencies As SqlTranslatingExpressionVisitorDependencies, queryModelVisitor As RelationalQueryModelVisitor, Optional targetSelectExpression As SelectExpression = Nothing, Optional topLevelPredicate As Expression = Nothing, Optional inProjection As Boolean = false)参数
- dependencies
- SqlTranslatingExpressionVisitorDependencies
包含此服务的依赖项的参数对象。
- queryModelVisitor
- RelationalQueryModelVisitor
查询模型访问者。
- targetSelectExpression
- SelectExpression
目标选择表达式。
- topLevelPredicate
- Expression
顶级谓词。
- inProjection
- Boolean
如果要转换的表达式是 LINQ 投影，则为 true。
适用于
SqlTranslatingExpressionVisitor(IRelationalAnnotationProvider, IExpressionFragmentTranslator, IMethodCallTranslator, IMemberTranslator, IRelationalTypeMapper, RelationalQueryModelVisitor, SelectExpression, Expression, Boolean, Boolean)
创建 SqlTranslatingExpressionVisitor 的新实例。
public SqlTranslatingExpressionVisitor(Microsoft.EntityFrameworkCore.Metadata.IRelationalAnnotationProvider relationalAnnotationProvider, Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IExpressionFragmentTranslator compositeExpressionFragmentTranslator, Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IMethodCallTranslator methodCallTranslator, Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IMemberTranslator memberTranslator, Microsoft.EntityFrameworkCore.Storage.IRelationalTypeMapper relationalTypeMapper, Microsoft.EntityFrameworkCore.Query.RelationalQueryModelVisitor queryModelVisitor, Microsoft.EntityFrameworkCore.Query.Expressions.SelectExpression targetSelectExpression = default, System.Linq.Expressions.Expression topLevelPredicate = default, bool bindParentQueries = false, bool inProjection = false);new Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitor : Microsoft.EntityFrameworkCore.Metadata.IRelationalAnnotationProvider * Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IExpressionFragmentTranslator * Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IMethodCallTranslator * Microsoft.EntityFrameworkCore.Query.ExpressionTranslators.IMemberTranslator * Microsoft.EntityFrameworkCore.Storage.IRelationalTypeMapper * Microsoft.EntityFrameworkCore.Query.RelationalQueryModelVisitor * Microsoft.EntityFrameworkCore.Query.Expressions.SelectExpression * System.Linq.Expressions.Expression * bool * bool -> Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.SqlTranslatingExpressionVisitorPublic Sub New (relationalAnnotationProvider As IRelationalAnnotationProvider, compositeExpressionFragmentTranslator As IExpressionFragmentTranslator, methodCallTranslator As IMethodCallTranslator, memberTranslator As IMemberTranslator, relationalTypeMapper As IRelationalTypeMapper, queryModelVisitor As RelationalQueryModelVisitor, Optional targetSelectExpression As SelectExpression = Nothing, Optional topLevelPredicate As Expression = Nothing, Optional bindParentQueries As Boolean = false, Optional inProjection As Boolean = false)参数
- relationalAnnotationProvider
- IRelationalAnnotationProvider
关系注释提供程序。
- compositeExpressionFragmentTranslator
- IExpressionFragmentTranslator
复合表达式片段翻译器。
- methodCallTranslator
- IMethodCallTranslator
方法调用翻译器。
- memberTranslator
- IMemberTranslator
成员翻译器。
- relationalTypeMapper
- IRelationalTypeMapper
关系类型映射器。
- queryModelVisitor
- RelationalQueryModelVisitor
查询模型访问者。
- targetSelectExpression
- SelectExpression
目标选择表达式。
- topLevelPredicate
- Expression
顶级谓词。
- bindParentQueries
- Boolean
若要绑定父查询，则为 true。
- inProjection
- Boolean
如果要转换的表达式是 LINQ 投影，则为 true。
