语言

QuerySqlGenerator.VisitSqlFunction(SqlFunctionExpression) 方法

定义

为函数调用生成 SQL。

protected override System.Linq.Expressions.Expression VisitSqlFunction(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression sqlFunctionExpression);
protected virtual System.Linq.Expressions.Expression VisitSqlFunction(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression sqlFunctionExpression);
override this.VisitSqlFunction : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression -> System.Linq.Expressions.Expression
abstract member VisitSqlFunction : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression -> System.Linq.Expressions.Expression
override this.VisitSqlFunction : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression -> System.Linq.Expressions.Expression
Protected Overrides Function VisitSqlFunction (sqlFunctionExpression As SqlFunctionExpression) As Expression
Protected Overridable Function VisitSqlFunction (sqlFunctionExpression As SqlFunctionExpression) As Expression

参数

sqlFunctionExpression
SqlFunctionExpression

SqlFunctionExpression要为其生成 SQL。

返回

修改后的表达式(如果修改了该表达式或任何子表达式);否则,返回原始表达式。

适用于