Merge pull request #192 from maikebing/main
实现 PostgreSQL、Sqlite、以及 根据 DbConnection的类型自动猜测TableEnsureManager
This commit is contained in:
commit
c528a4a83c
|
@ -230,7 +230,7 @@ namespace ShardingCore
|
|||
services.TryAddSingleton<IShardingReadWriteManager, ShardingReadWriteManager>();
|
||||
services.TryAddSingleton<IShardingComparer, CSharpLanguageShardingComparer>();
|
||||
|
||||
services.TryAddSingleton<ITableEnsureManager, EmptyTableEnsureManager>();
|
||||
services.TryAddSingleton<ITableEnsureManager, GuessTableEnsureManager>();
|
||||
|
||||
services.TryAddShardingJob();
|
||||
return services;
|
||||
|
|
|
@ -0,0 +1,55 @@
|
|||
using ShardingCore.Core.VirtualRoutes.TableRoutes.RouteTails.Abstractions;
|
||||
using ShardingCore.TableExists.Abstractions;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data.Common;
|
||||
|
||||
namespace ShardingCore.TableExists
|
||||
{
|
||||
public class GuessTableEnsureManager : AbstractTableEnsureManager
|
||||
{
|
||||
private readonly MySqlTableEnsureManager _tem_mysql;
|
||||
private readonly SqliteTableEnsureManager _tem_sqlite;
|
||||
private readonly PostgreSqlTableEnsureManager _tem_pgsql;
|
||||
private readonly SqlServerTableEnsureManager _tem_mssql;
|
||||
|
||||
public GuessTableEnsureManager(IRouteTailFactory routeTailFactory) : base(routeTailFactory)
|
||||
{
|
||||
_tem_mysql = new MySqlTableEnsureManager(routeTailFactory);
|
||||
_tem_sqlite = new SqliteTableEnsureManager(routeTailFactory);
|
||||
_tem_pgsql = new PostgreSqlTableEnsureManager(routeTailFactory);
|
||||
_tem_mssql = new SqlServerTableEnsureManager(routeTailFactory);
|
||||
}
|
||||
|
||||
public override ISet<string> DoGetExistTables(DbConnection connection, string dataSourceName)
|
||||
{
|
||||
ISet<string> result = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
||||
var dbctypename = connection.GetType().FullName;
|
||||
switch (dbctypename)
|
||||
{
|
||||
case "Npgsql.NpgsqlConnection":
|
||||
result = _tem_pgsql.DoGetExistTables(connection, dataSourceName);
|
||||
break;
|
||||
|
||||
case "System.Data.Sqlite.SqliteConnection":
|
||||
case "Microsoft.Data.Sqlite.SqliteConnection":
|
||||
result = _tem_sqlite.DoGetExistTables(connection, dataSourceName);
|
||||
break;
|
||||
|
||||
case "MySqlConnector.MySqlConnection":
|
||||
case "MySql.Data.MySqlClient.MySqlConnection":
|
||||
result = _tem_mysql.DoGetExistTables(connection, dataSourceName);
|
||||
break;
|
||||
|
||||
case "Microsoft.Data.SqlClient.SqlConnection":
|
||||
case "System.Data.SqlClient.SqlConnection":
|
||||
result = _tem_mssql.DoGetExistTables(connection, dataSourceName);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,31 @@
|
|||
using ShardingCore.Core.VirtualRoutes.TableRoutes.RouteTails.Abstractions;
|
||||
using ShardingCore.TableExists.Abstractions;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data.Common;
|
||||
|
||||
namespace ShardingCore.TableExists
|
||||
{
|
||||
public class PostgreSqlTableEnsureManager : AbstractTableEnsureManager
|
||||
{
|
||||
public PostgreSqlTableEnsureManager(IRouteTailFactory routeTailFactory) : base(routeTailFactory)
|
||||
{
|
||||
}
|
||||
|
||||
private const string Tables = "Tables";
|
||||
private const string TABLE_NAME = "TABLE_NAME";
|
||||
|
||||
public override ISet<string> DoGetExistTables(DbConnection connection, string dataSourceName)
|
||||
{
|
||||
ISet<string> result = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
||||
using (var dataTable = connection.GetSchema(Tables))
|
||||
{
|
||||
for (int i = 0; i < dataTable.Rows.Count; i++)
|
||||
{
|
||||
result.Add(dataTable.Rows[i][TABLE_NAME].ToString());
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,33 @@
|
|||
using ShardingCore.Core.VirtualRoutes.TableRoutes.RouteTails.Abstractions;
|
||||
using ShardingCore.TableExists.Abstractions;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data.Common;
|
||||
|
||||
namespace ShardingCore.TableExists
|
||||
{
|
||||
public class SqliteTableEnsureManager : AbstractTableEnsureManager
|
||||
{
|
||||
public SqliteTableEnsureManager(IRouteTailFactory routeTailFactory) : base(routeTailFactory)
|
||||
{
|
||||
}
|
||||
|
||||
public override ISet<string> DoGetExistTables(DbConnection connection, string dataSourceName)
|
||||
{
|
||||
ISet<string> result = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
||||
using (var query = connection.CreateCommand())
|
||||
{
|
||||
query.CommandText = "SELECT tbl_name FROM sqlite_master;";
|
||||
using (var reader = query.ExecuteReader())
|
||||
{
|
||||
while (reader.Read())
|
||||
{
|
||||
var str = (string)reader["tbl_name"];
|
||||
result.Add(str);
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue