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# 完善 表达式拼接方法，从 T1-T5；#256

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28810
2020-03-30 10:53:29 +08:00
parent 4655646b52
commit 8191537364
4 changed files with 420 additions and 90 deletions
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61
FreeSql.Tests/FreeSql.Tests/Extensions/LambadaExpressionExtensionsTest.cs
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@ -12,29 +12,36 @@ namespace FreeSql.Tests.Extensions
public void And()
{
Expression<Func<testExpAddOr, bool>> where = a => a.id == Guid.Empty;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000' AND a.\"num\" > 0)", g.sqlite.Select<testExpAddOr>().Where(where.And(b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000')", g.sqlite.Select<testExpAddOr>().Where(where.And(false, b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000' AND a.\"num\" = 1 AND a.\"num\" = 2)", g.sqlite.Select<testExpAddOr>().Where(where.And(b => b.num == 1).And(b => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000')", g.sqlite.Select<testExpAddOr>().Where(where.And(false, b => b.num == 1).And(false, c => c.num == 2)).ToSql().Replace("\r\n", ""));
}
where = null;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"num\" > 0)", g.sqlite.Select<testExpAddOr>().Where(where.And(b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a", g.sqlite.Select<testExpAddOr>().Where(where.And(false, b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"num\" = 1 AND a.\"num\" = 2)", g.sqlite.Select<testExpAddOr>().Where(where.And(b => b.num == 1).And(b => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a", g.sqlite.Select<testExpAddOr>().Where(where.And(false, b => b.num == 1).And(false, c => c.num == 2)).ToSql().Replace("\r\n", ""));
}
[Fact]
public void Or()
{
Expression<Func<testExpAddOr, bool>> where = a => a.id == Guid.Empty;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE ((a.\"id\" = '00000000-0000-0000-0000-000000000000' OR a.\"num\" > 0))", g.sqlite.Select<testExpAddOr>().Where(where.Or(b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000')", g.sqlite.Select<testExpAddOr>().Where(where.Or(false, b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (((a.\"id\" = '00000000-0000-0000-0000-000000000000' OR a.\"num\" = 1) OR a.\"num\" = 2))", g.sqlite.Select<testExpAddOr>().Where(where.Or(b => b.num == 1).Or(b => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000')", g.sqlite.Select<testExpAddOr>().Where(where.Or(false, b => b.num == 1).Or(false, c => c.num == 2)).ToSql().Replace("\r\n", ""));
}
where = null;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"num\" > 0)", g.sqlite.Select<testExpAddOr>().Where(where.Or(b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a", g.sqlite.Select<testExpAddOr>().Where(where.Or(false, b => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE ((a.\"num\" = 1 OR a.\"num\" = 2))", g.sqlite.Select<testExpAddOr>().Where(where.Or(b => b.num == 1).Or(b => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a", g.sqlite.Select<testExpAddOr>().Where(where.Or(false, b => b.num == 1).Or(false, c => c.num == 2)).ToSql().Replace("\r\n", ""));
}
[Fact]
public void Not()
{
Expression<Func<testExpAddOr, bool>> where = a => a.id == Guid.Empty;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (not(a.\"id\" = '00000000-0000-0000-0000-000000000000'))", g.sqlite.Select<testExpAddOr>().Where(where.Not()).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a WHERE (a.\"id\" = '00000000-0000-0000-0000-000000000000')", g.sqlite.Select<testExpAddOr>().Where(where.Not(false)).ToSql().Replace("\r\n", ""));
}
@ -45,5 +52,49 @@ namespace FreeSql.Tests.Extensions
public int num { get; set; }
}
class testExpAddOr2
{
public Guid id { get; set; }
public int num { get; set; }
}
[Fact]
public void And2()
{
Expression<Func<testExpAddOr, testExpAddOr2, bool>> where = (a, b) => a.id == b.id;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\" AND b.\"num\" > 0)", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And((a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\")", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And(false, (a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\" AND b.\"num\" = 1 AND b.\"num\" = 2)", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And((a, b) => b.num == 1).And((a, b) => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\")", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And(false, (a, b) => b.num == 1).And(false, (a, c) => c.num == 2)).ToSql().Replace("\r\n", ""));
where = null;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (b.\"num\" > 0)", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And((a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And(false, (a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (b.\"num\" = 1 AND b.\"num\" = 2)", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And((a, b) => b.num == 1).And((a, b) => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.And(false, (a, b) => b.num == 1).And(false, (a, c) => c.num == 2)).ToSql().Replace("\r\n", ""));
}
[Fact]
public void Or2()
{
Expression<Func<testExpAddOr, testExpAddOr2, bool>> where = (a, b) => a.id == b.id;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE ((a.\"id\" = b.\"id\" OR b.\"num\" > 0))", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or((a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\")", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or(false, (a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (((a.\"id\" = b.\"id\" OR b.\"num\" = 1) OR b.\"num\" = 2))", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or((a, b) => b.num == 1).Or((a, b) => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\")", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or(false, (a, b) => b.num == 1).Or(false, (a, c) => c.num == 2)).ToSql().Replace("\r\n", ""));
where = null;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (b.\"num\" > 0)", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or((a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or(false, (a, b) => b.num > 0)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE ((b.\"num\" = 1 OR b.\"num\" = 2))", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or((a, b) => b.num == 1).Or((a, b) => b.num == 2)).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Or(false, (a, b) => b.num == 1).Or(false, (a, c) => c.num == 2)).ToSql().Replace("\r\n", ""));
}
[Fact]
public void Not2()
{
Expression<Func<testExpAddOr, testExpAddOr2, bool>> where = (a, b) => a.id == b.id;
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (not(a.\"id\" = b.\"id\"))", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Not()).ToSql().Replace("\r\n", ""));
Assert.Equal("SELECT a.\"id\", a.\"num\" FROM \"testExpAddOr\" a, \"testExpAddOr2\" b WHERE (a.\"id\" = b.\"id\")", g.sqlite.Select<testExpAddOr, testExpAddOr2>().Where(where.Not(false)).ToSql().Replace("\r\n", ""));
}
}
}