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Add Subqueryable.Where(sql)

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This commit is contained in:
sunkaixuan 2019-05-14 17:01:49 +08:00
parent 3b4fc3e1d5
commit 4eec972e48
4 changed files with 42 additions and 2 deletions
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18
Src/Asp.Net/SqlServerTest/Demo/Demo1_Queryable.cs
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@ -17,6 +17,22 @@ namespace OrmTest
NoEntity();
Mapper();
SqlFuncTest();
Subquery();
}
private static void Subquery()
{
Console.WriteLine("");
Console.WriteLine("#### Subquery Start ####");
var db = GetInstance();
var list = db.Queryable<Order>().Take(10).Select(it => new
{
customName=SqlFunc.Subqueryable<Custom>().Where("it.CustomId=id").Select(s=>s.Name),
customName2 = SqlFunc.Subqueryable<Custom>().Where("it.CustomId = id").Where(s => true).Select(s => s.Name)
}).ToList();
Console.WriteLine("#### Subquery End ####");
}
private static void SqlFuncTest()
@ -26,7 +42,7 @@ namespace OrmTest
var db = GetInstance();
var index= db.Queryable<Order>().Select(it => SqlFunc.CharIndex("a", "cccacc")).First();
Console.WriteLine("#### End Start ####");
Console.WriteLine("#### SqlFunc End ####");
}
private static void Mapper()

10
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubAnd.cs
View File

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Text.RegularExpressions;
namespace SqlSugar
{
@ -41,6 +42,15 @@ namespace SqlSugar
var exp = expression as MethodCallExpression;
var argExp = exp.Arguments[0];
var result = "AND " + SubTools.GetMethodValue(this.Context, argExp, ResolveExpressType.WhereMultiple);
var regex = @"^AND (\@Const\d+) $";
if (Regex.IsMatch(result, regex))
{
result = "AND " + this.Context.Parameters.First(it => it.ParameterName == Regex.Match(result, regex).Groups[1].Value).Value;
return result;
}
var selfParameterName = this.Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name) + UtilConstants.Dot;
result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));
return result;

12
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs
View File

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Text.RegularExpressions;
namespace SqlSugar
{
@ -40,7 +41,16 @@ namespace SqlSugar
{
var exp = expression as MethodCallExpression;
var argExp= exp.Arguments[0];
var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);;
var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);
var regex = @"^WHERE (\@Const\d+) $";
if (Regex.IsMatch(result, regex))
{
result = "WHERE " + this.Context.Parameters.First(it => it.ParameterName == Regex.Match(result, regex).Groups[1].Value).Value;
return result;
}
var selfParameterName = Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name)+UtilConstants.Dot;
result = result.Replace(selfParameterName,SubTools.GetSubReplace(this.Context));
return result;

4
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
View File

@ -9,6 +9,10 @@ namespace SqlSugar
public class Subqueryable<T> where T : class, new()
{
public Subqueryable<T> Where(string where)
{
return this;
}
public Subqueryable<T> Where(Func<T, bool> expression)
{
return this;