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Db.Fastest support sqlite

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This commit is contained in:
sunkaixuna 2022-01-16 15:21:17 +08:00
parent 6134010f97
commit 7da71b94da
7 changed files with 192 additions and 4 deletions
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5
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs
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@ -133,7 +133,10 @@ namespace SqlSugar
await buider.ExecuteBulkCopyAsync(dt);
//var queryTemp = this.context.Queryable<T>().AS(dt.TableName).ToList();//test
var result = await buider.UpdateByTempAsync(GetTableName(), dt.TableName, updateColumns, whereColumns);
this.context.DbMaintenance.DropTable(dt.TableName);
if (this.context.CurrentConnectionConfig.DbType != DbType.Sqlite)
{
this.context.DbMaintenance.DropTable(dt.TableName);
}
this.context.CurrentConnectionConfig.IsAutoCloseConnection = isAuto;
buider.CloseDb();
End(datas, false);

2
Src/Asp.Net/SqlSugar/Abstract/FastestProvider/Private.cs
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@ -18,7 +18,7 @@ namespace SqlSugar
case DbType.SqlServer:
return new SqlServerFastBuilder();
case DbType.Sqlite:
break;
return new SqliteFastBuilder(this.entityInfo);
case DbType.Oracle:
return new OracleFastBuilder(this.entityInfo);
case DbType.PostgreSQL:

140
Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteFastBuilder.cs Normal file
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@ -0,0 +1,140 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SqlSugar
{
public class SqliteFastBuilder : IFastBuilder
{
private EntityInfo entityInfo;
private bool IsUpdate = false;
private DataTable UpdateDataTable { get; set; }
public SqliteFastBuilder(EntityInfo entityInfo)
{
this.entityInfo = entityInfo;
}
public SqlSugarProvider Context { get; set; }
public void CloseDb()
{
if (this.Context.CurrentConnectionConfig.IsAutoCloseConnection)
{
this.Context.Close();
}
}
public async Task CreateTempAsync<T>(DataTable dt) where T : class, new()
{
await Task.Delay(0);
IsUpdate = true;
}
public async Task<int> ExecuteBulkCopyAsync(DataTable dt)
{
if (dt.Rows.Count == 0||IsUpdate)
{
this.UpdateDataTable = dt;
return 0;
}
foreach (var item in this.entityInfo.Columns)
{
if (item.IsIdentity && dt.Columns.Contains(item.DbColumnName))
{
dt.Columns.Remove(item.DbColumnName);
}
}
var dictionary = this.Context.Utilities.DataTableToDictionaryList(dt.Rows.Cast<DataRow>().Take(1).CopyToDataTable());
int result = 0;
var cn = this.Context.Ado.Connection as SQLiteConnection;
Open(cn);
if (this.Context.Ado.Transaction == null)
{
using (var transaction = cn.BeginTransaction())
{
result = await _BulkCopy(dt, dictionary, result, cn);
transaction.Commit();
}
}
else
{
result = await _BulkCopy(dt, dictionary, result, cn);
}
return result;
}
private async Task<int> _BulkCopy(DataTable dt, List<Dictionary<string, object>> dictionary, int i, SQLiteConnection cn)
{
using (var cmd = cn.CreateCommand())
{
cmd.CommandText = this.Context.Insertable(dictionary.First()).AS(dt.TableName).ToSql().Key.Replace(";SELECT LAST_INSERT_ROWID();","");
foreach (DataRow dataRow in dt.Rows)
{
foreach (DataColumn item in dt.Columns)
{
cmd.Parameters.AddWithValue("@" + item.ColumnName, dataRow[item.ColumnName]);
}
i += await cmd.ExecuteNonQueryAsync();
}
}
return i;
}
private async Task<int> _BulkUpdate(DataTable dt, List<Dictionary<string, object>> dictionary, int i,string [] whereColums,string [] updateColums, SQLiteConnection cn)
{
using (var cmd = cn.CreateCommand())
{
cmd.CommandText = this.Context.Updateable(dictionary.First())
.WhereColumns(whereColums)
.UpdateColumns(updateColums)
.AS(dt.TableName).ToSql().Key;
foreach (DataRow dataRow in dt.Rows)
{
foreach (DataColumn item in dt.Columns)
{
cmd.Parameters.AddWithValue("@" + item.ColumnName, dataRow[item.ColumnName]);
}
i += await cmd.ExecuteNonQueryAsync();
}
}
return i;
}
private static void Open(SQLiteConnection cn)
{
if (cn.State != ConnectionState.Open)
cn.Open();
}
public async Task<int> UpdateByTempAsync(string tableName, string tempName, string[] updateColumns, string[] whereColumns)
{
var dt = UpdateDataTable;
if (dt.Rows.Count == 0)
{
return 0;
}
var dictionary = this.Context.Utilities.DataTableToDictionaryList(dt.Rows.Cast<DataRow>().Take(1).CopyToDataTable());
int result = 0;
var cn = this.Context.Ado.Connection as SQLiteConnection;
Open(cn);
if (this.Context.Ado.Transaction == null)
{
using (var transaction = cn.BeginTransaction())
{
result = await _BulkUpdate(dt, dictionary, result,whereColumns,updateColumns, cn);
transaction.Commit();
}
}
else
{
result = await _BulkUpdate(dt, dictionary, result, whereColumns, updateColumns, cn);
}
return result;
}
}
}

1
Src/Asp.Net/SqlSugar/SqlSugar.csproj
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@ -104,6 +104,7 @@
<Compile Include="OnlyNet\OracleFastBuilder.cs" />
<Compile Include="Realization\MySql\SqlBuilder\MySqlFastBuilder.cs" />
<Compile Include="Realization\PostgreSQL\SqlBuilder\PostgreSQLFastBuilder.cs" />
<Compile Include="Realization\Sqlite\SqlBuilder\SqliteFastBuilder.cs" />
<Compile Include="Realization\SqlServer\SqlBuilder\SqlServerFastBuilder.cs" />
<Compile Include="SpliteTable\SplitTableAttribute.cs" />
<Compile Include="Abstract\InsertableProvider\InsertableProvider.cs" />

1
Src/Asp.Net/SqliteTest/SqliteTest.csproj
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@ -82,6 +82,7 @@
<Compile Include="UnitTest\Models\ExToCon.cs" />
<Compile Include="UnitTest\Models\LoadCon.cs" />
<Compile Include="UnitTest\UAdo.cs" />
<Compile Include="UnitTest\UBulkCopy.cs" />
<Compile Include="UnitTest\UCodeFirst.cs" />
<Compile Include="UnitTest\UCustom01.cs" />
<Compile Include="UnitTest\UCustom02.cs" />

4
Src/Asp.Net/SqliteTest/UnitTest/Main.cs
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@ -31,8 +31,8 @@ namespace OrmTest
}
public static void Init()
{
UCustom01.Init();
UCustom02.Init();
UBulkCopy.Init();
Insert();
CodeFirst();
Updateable();

43
Src/Asp.Net/SqliteTest/UnitTest/UBulkCopy.cs Normal file
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@ -0,0 +1,43 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using F9.DataEntity.Entity;
using SqlSugar;
namespace OrmTest
{
public class UBulkCopy
{
public static void Init()
{
var db = NewUnitTest.Db;
db.DbMaintenance.CreateDatabase();
db.DbMaintenance.TruncateTable<UBulkCopydsafad1>();
db.Aop.OnLogExecuting = null;
db.CodeFirst.InitTables<UBulkCopydsafad1>();
var list = new List<UBulkCopydsafad1>();
for (int i = 0; i < 100000; i++)
{
list.Add(new UBulkCopydsafad1() { name = "a", name1 = "x" + i, name2 = "a" });
}
// db.BeginTran();
// db.Insertable(list).ExecuteCommand();
var list2 = db.Queryable<UBulkCopydsafad1>().ToList();
db.Fastest<UBulkCopydsafad1>().BulkCopy(list);
var list3 = db.Queryable<UBulkCopydsafad1>().ToList();
var updateRows= db.Fastest<UBulkCopydsafad1>().BulkUpdate(list3);
//db.CommitTran();
}
public class UBulkCopydsafad1
{
[SugarColumn(IsIdentity =true,IsPrimaryKey =true)]
public int id { get; set; }
public string name { get; set; }
public string name1 { get; set; }
public string name2 { get; set; }
public int id2 { get; set; }
public int id3 { get; set; }
}
}
}