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Avoid unnecessary casting for Linq provider (#2491)
Fixes #2490 Co-authored-by: Alex Zaytsev <[email protected]> Co-authored-by: Roman Artiukhin <[email protected]>
1 parent 1581887 commit 7360394

23 files changed

+1293
-66
lines changed

‎src/NHibernate.DomainModel/Northwind/Entities/Northwind.cs‎

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@@ -69,6 +69,11 @@ public IQueryable<User> Users
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get { return _session.Query<User>(); }
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}
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public IQueryable<NumericEntity> NumericEntities
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{
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get { return _session.Query<NumericEntity>(); }
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}
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public IQueryable<DynamicUser> DynamicUsers
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{
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get { return _session.Query<DynamicUser>(); }

‎src/NHibernate.DomainModel/Northwind/Entities/NumericEntity.cs‎

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@@ -0,0 +1,29 @@
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namespace NHibernate.DomainModel.Northwind.Entities
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{
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public class NumericEntity
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{
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public virtual short Short { get; set; }
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public virtual short? NullableShort { get; set; }
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public virtual int Integer { get; set; }
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public virtual int? NullableInteger { get; set; }
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public virtual long Long { get; set; }
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public virtual long? NullableLong { get; set; }
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public virtual decimal Decimal { get; set; }
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public virtual decimal? NullableDecimal { get; set; }
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public virtual float Single { get; set; }
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public virtual float? NullableSingle { get; set; }
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public virtual double Double { get; set; }
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public virtual double? NullableDouble { get; set; }
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}
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}

‎src/NHibernate.DomainModel/Northwind/Mappings/NumericEntity.hbm.xml‎

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@@ -0,0 +1,20 @@
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<?xml version="1.0" encoding="utf-8" ?>
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<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="NHibernate.DomainModel.Northwind.Entities" assembly="NHibernate.DomainModel">
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<class name="NumericEntity">
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<id name="Short">
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<generator class="assigned" />
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</id>
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<property name="NullableShort" />
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<property name="Integer" not-null="true" column="`Integer`" />
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<property name="NullableInteger" />
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<property name="Long" not-null="true" column="`Long`" />
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<property name="NullableLong" />
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<property name="Decimal" not-null="true" column="`Decimal`" />
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<property name="NullableDecimal" />
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<property name="Single" not-null="true" column="`Single`" />
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<property name="NullableSingle" />
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<property name="Double" not-null="true" column="`Double`" />
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<property name="NullableDouble" />
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</class>
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</hibernate-mapping>

‎src/NHibernate.Test/Async/Linq/NullComparisonTests.cs‎

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@@ -12,6 +12,7 @@
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using NHibernate.Dialect;
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using NHibernate.Linq;
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using NHibernate.DomainModel.Northwind.Entities;
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using NUnit.Framework;
@@ -472,6 +473,33 @@ public async Task NullEqualityAsync()
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await (ExpectAsync(session.Query<User>().Where(o => o.CreatedBy.ModifiedBy.Id == 5), Does.Not.Contain("is null").IgnoreCase));
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await (ExpectAsync(session.Query<User>().Where(o => 5 == o.CreatedBy.ModifiedBy.Id), Does.Not.Contain("is null").IgnoreCase));
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if (Sfi.Dialect is FirebirdDialect)
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{
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return;
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}
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort == o.NullableShort), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short == o.Short), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort == o.Short), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short == o.NullableShort), WithoutIsNullAndWithoutCast()));
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short value = 3;
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort == value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value == o.NullableShort), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort.Value == value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value == o.NullableShort.Value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short == value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value == o.Short), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort == 3L), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3L == o.NullableShort), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort.Value == 3L), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3L == o.NullableShort.Value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short == 3L), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3L == o.Short), WithoutIsNullAndWithoutCast()));
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}
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[Test]
@@ -560,6 +588,43 @@ public async Task NullInequalityAsync()
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await (ExpectAsync(session.Query<User>().Where(o => o.CreatedBy.ModifiedBy.Id != 5), Does.Contain("is null").IgnoreCase));
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await (ExpectAsync(session.Query<User>().Where(o => 5 != o.CreatedBy.ModifiedBy.Id), Does.Contain("is null").IgnoreCase));
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if (Sfi.Dialect is FirebirdDialect)
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{
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return;
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}
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort != o.NullableShort), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short != o.Short), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort != o.Short), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short != o.NullableShort), WithIsNullAndWithoutCast()));
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short value = 3;
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort != value), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value != o.NullableShort), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort.Value != value), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value != o.NullableShort.Value), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short != value), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => value != o.Short), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort != 3L), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3 != o.NullableShort), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.NullableShort.Value != 3L), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3L != o.NullableShort.Value), WithIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => o.Short != 3L), WithoutIsNullAndWithoutCast()));
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await (ExpectAsync(db.NumericEntities.Where(o => 3L != o.Short), WithoutIsNullAndWithoutCast()));
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}
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private IResolveConstraint WithIsNullAndWithoutCast()
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{
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return Does.Contain("is null").IgnoreCase.And.Not.Contain("cast").IgnoreCase;
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}
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private IResolveConstraint WithoutIsNullAndWithoutCast()
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{
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return Does.Not.Contain("is null").IgnoreCase.And.Not.Contain("cast").IgnoreCase;
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}
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[Test]

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