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Sqlite SubString bug

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sunkaixuan
2019-02-03 18:36:24 +08:00
parent 80c8e8b8c2
commit 0ebcd2d768
4 changed files with 11 additions and 2 deletions
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8
Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
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@@ -20,6 +20,14 @@ namespace SqlSugar
return string.Format("LENGTH({0})", parameter.MemberName);
}
public override string Substring(MethodCallExpressionModel model)
{
var parameter = model.Args[0];
var parameter2 = model.Args[1];
var parameter3 = model.Args[2];
return string.Format("SUBSTR({0},1 + {1},{2})", parameter.MemberName, parameter2.MemberName, parameter3.MemberName);
}
public override string Contains(MethodCallExpressionModel model)
{
var parameter = model.Args[0];

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Src/Asp.Net/SqliteTest/DataBase/SqlSugar4xTest.sqlite
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1
Src/Asp.Net/SqliteTest/Demos/1_Query.cs
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@@ -156,6 +156,7 @@ namespace OrmTest.Demo
var dbTime = db.GetDate();
var getAll = db.Queryable<Student>().ToList();
var getLike = db.Queryable<Student>().Where(it => it.Name.Contains("a")).ToList();
var getSub = db.Queryable<Student>().Where(it => it.Name.Substring(0,1)=="a").ToList();
var getAllOrder = db.Queryable<Student>().OrderBy(it => it.Id).OrderBy(it => it.Name, OrderByType.Desc).ToList();
var getId = db.Queryable<Student>().Select(it => it.Id).ToList();
var getNew = db.Queryable<Student>().Where(it => it.Id == 1).Select(it => new { id = SqlFunc.IIF(it.Id == 0, 1, it.Id), it.Name, it.SchoolId }).ToList();

4
Src/Asp.Net/SqliteTest/UnitTest/ExpressionTest/Method.cs
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@@ -130,7 +130,7 @@ namespace OrmTest.UnitTest
expContext.Resolve(exp, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
base.Check(value, pars, "(SUBSTRING(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
base.Check(value, pars, "(SUBSTR(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
new SugarParameter("@MethodConst0","aaaa"), new SugarParameter("@MethodConst1",0) , new SugarParameter("@MethodConst2",2),new SugarParameter("@Const3","a")
}, "Substring error");
}
@@ -142,7 +142,7 @@ namespace OrmTest.UnitTest
expContext.Resolve(exp, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
base.Check(value, pars, "(SUBSTRING(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
base.Check(value, pars, "(SUBSTR(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
new SugarParameter("@MethodConst0","aaaa"), new SugarParameter("@MethodConst1",0) , new SugarParameter("@MethodConst2",2),new SugarParameter("@Const3","a")
}, "Substring error");
}