Answer by Legacy Code for How to convert an expression tree to a partial SQL...
Extensions for the SimpleExpressionToSQL class public static class Extensions { private static readonly MethodInfo _deleteMethod; private static readonly MethodInfo _deleteMethodAsync; private static...
View ArticleAnswer by Legacy Code for How to convert an expression tree to a partial SQL...
After searching for hours for an implementation of an Expression tree to SQL converter, I did not found anything usefull or free or somehow working with .NET Core.Then I found this. Thank you Ryan...
View ArticleAnswer by MarkWalls for How to convert an expression tree to a partial SQL...
It isn't complete, but here are some thoughts for you to groove on if you come by this later: private string CreateWhereClause(Expression<Func<T, bool>> predicate) { StringBuilder p = new...
View ArticleAnswer by Kit for How to convert an expression tree to a partial SQL query?
The short answer seems to be that you cannot use a part of EF or LINQ to SQL as a shortcut to translation. You need at least a subclass of ObjectContext to get at the internal protectedQueryProvider...
View ArticleAnswer by James Johnson for How to convert an expression tree to a partial...
Not sure if this is exactly what you need, but it looks like it might be close:string[] companies = { "Consolidated Messenger", "Alpine Ski House", "Southridge Video", "City Power & Light","Coho...
View ArticleAnswer by Orion Adrian for How to convert an expression tree to a partial SQL...
You basically have to re-invent the wheel. The QueryProvider is the thing that does the translation from expression trees to it's store native syntax. It's the thing that's going to handle special...
View ArticleAnswer by Wouter de Kort for How to convert an expression tree to a partial...
You can use the following code:var query = from c in Customers select c;string sql = ((ObjectQuery)query).ToTraceString();Have a look at the following information: Retrieving the SQL generated by the...
View ArticleAnswer by Ryan Wright for How to convert an expression tree to a partial SQL...
Yes it is possible, you can parse a LINQ expression tree using the visitor pattern. You would need to construct a query translator by subclassing ExpressionVisitor like below. By hooking into the...
View ArticleAnswer by Magnus for How to convert an expression tree to a partial SQL query?
In Linq2SQL you can use:var cmd = DataContext.GetCommand(expression);var sqlQuery = cmd.CommandText;
View ArticleHow to convert an expression tree to a partial SQL query?
When EF or LINQ to SQL runs a query, it:Builds an expression tree from the code,Converts the expression tree into an SQL query,Executes the query, gets the raw results from the database and converts...
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