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- 增加 UnionALL 联合查询；#1106 #1104 #668 #478 #432 #213 #138

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2881099
2022-08-26 18:01:58 +08:00
parent d154a463a5
commit 4b9c4e724d
9 changed files with 341 additions and 221 deletions
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40
Examples/base_entity/Program.cs
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@ -8,6 +8,7 @@ using Newtonsoft.Json.Linq;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data.Common;
using System.Data.Odbc;
using System.Data.SqlClient;
using System.Data.SQLite;
@ -388,6 +389,45 @@ namespace base_entity
BaseEntity.Initialization(fsql, () => _asyncUow.Value);
#endregion
var dbpars = new List<DbParameter>();
var a1id1 = Guid.NewGuid();
var a1id2 = Guid.NewGuid();
//fsql.CodeFirst.IsGenerateCommandParameterWithLambda = true;
var sql1a0 = fsql.Select<User1>()
.WithParameters(dbpars)
.Where(a => a.Id == a1id1)
.UnionAll(
fsql.Select<User1>()
.WithParameters(dbpars)
.Where(a => a.Id == a1id2)
)
.Where(a => a.Id == a1id1 || a.Id == a1id2)
.ToSql();
var sql1a1 = fsql.Select<User1>()
.Where(a => a.Id == a1id1)
.UnionAll(
fsql.Select<User1>()
.Where(a => a.Id == a1id2)
)
.Where(a => a.Id == a1id1 || a.Id == a1id2)
.ToSql();
var sql1a2 = fsql.Select<User1, UserGroup>()
.InnerJoin((a,b)=> a.GroupId == b.Id)
.Where((a, b) => a.Id == a1id1)
.WithTempQuery((a, b) => new { user = a, group = b }) //匿名类型
.UnionAll(
fsql.Select<User1, UserGroup>()
.InnerJoin((a, b) => a.GroupId == b.Id)
.Where((a, b) => a.Id == a1id2)
.WithTempQuery((a, b) => new { user = a, group = b }) //匿名类型
)
.Where(a => a.user.Id == a1id1 || a.user.Id == a1id2)
.ToSql();
var ddlsql01 = fsql.CodeFirst.GetComparisonDDLStatements<StringNulable>();