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- 优化 导航集合属性访问，可省略 AsSelect；#15 #300 #362 #509 #698 #644 #903

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2881099
2022-04-27 20:27:24 +08:00
parent dcf7b9668f
commit f76a46f383
20 changed files with 1947 additions and 346 deletions
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181
FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
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@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
@ -91,35 +91,166 @@ namespace FreeSql.Tests.MySqlConnector
[Fact]
public void AsSelect()
{
var fsql = g.mysql;
//OneToOne、ManyToOne
var t0 = g.mysql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
WHERE (a__Parent__Parent.`Name` = '粤语')", t0);
//OneToMany
var t1 = g.mysql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
limit 0,1))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT t.`Name` as1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10))))", t15);
//ManyToMany
var t2 = g.mysql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ms
WHERE (Mt_Ms.`Song_id` = a.`Id`) AND (exists(SELECT 1
FROM `Tag` t
WHERE (t.`Name` = '国语') AND (t.`Id` = Mt_Ms.`Tag_id`)
limit 0,1))
limit 0,1))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT s.`Title` as1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]