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tk
2024-11-13 18:18:28 +08:00
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Providers/FreeSql.Provider.Custom/Oracle/CustomOracleAdo/CustomOracleAdo.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.Model;
using FreeSql.Internal.ObjectPool;
using System;
using System.Collections;
using System.Data.Common;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
namespace FreeSql.Custom.Oracle
{
class CustomOracleAdo : FreeSql.Internal.CommonProvider.AdoProvider
{
DbProviderFactory Factory => FreeSqlCustomAdapterGlobalExtensions.GetDbProviderFactory(_util._orm);
public CustomOracleAdo() : base(DataType.OdbcOracle, null, null) { }
public CustomOracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcOracle, masterConnectionString, slaveConnectionStrings)
{
base._util = util;
if (connectionFactory != null)
{
var pool = new FreeSql.Internal.CommonProvider.DbConnectionPool(DataType.SqlServer, connectionFactory);
ConnectionString = pool.TestConnection?.ConnectionString;
MasterPool = pool;
using (var conn = pool.Get())
UserId = CustomOracleAdo.GetUserId(conn.Value.ConnectionString);
return;
}
throw new Exception(CoreStrings.S_CustomAdapter_OnlySuppport_UseConnectionFactory);
}
internal string UserId { get; set; }
public static string GetUserId(string connectionString)
{
var userIdMatch = Regex.Match(connectionString, @"(User\s+Id|Uid)\s*=\s*([^;]+)", RegexOptions.IgnoreCase);
if (userIdMatch.Success == false) throw new Exception(@"从 ConnectionString 中无法匹配 (User\s+Id|Uid)\s*=\s*([^;]+)");
return userIdMatch.Groups[2].Value.Trim().ToUpper();
}
public override object AddslashesProcessParam(object param, Type mapType, ColumnInfo mapColumn)
{
if (param == null) return "NULL";
if (mapType != null && mapType != param.GetType() && (param is IEnumerable == false))
param = Utils.GetDataReaderValue(mapType, param);
if (param is byte[])
return $"hextoraw('{CommonUtils.BytesSqlRaw(param as byte[])}')";
else if (param is bool || param is bool?)
return (bool)param ? 1 : 0;
else if (param is string)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
else if (param is char)
return string.Concat("'", param.ToString().Replace("'", "''").Replace('\0', ' '), "'");
else if (param is Enum)
return AddslashesTypeHandler(param.GetType(), param) ?? ((Enum)param).ToInt64();
else if (decimal.TryParse(string.Concat(param), out var trydec))
return param;
else if (param is DateTime)
return AddslashesTypeHandler(typeof(DateTime), param) ?? string.Concat("to_timestamp('", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.ffffff"), "','YYYY-MM-DD HH24:MI:SS.FF6')");
else if (param is DateTime?)
return AddslashesTypeHandler(typeof(DateTime?), param) ?? string.Concat("to_timestamp('", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.ffffff"), "','YYYY-MM-DD HH24:MI:SS.FF6')");
else if (param is TimeSpan || param is TimeSpan?)
return $"numtodsinterval({((TimeSpan)param).Ticks * 1.0 / 10000000},'second')";
else if (param is IEnumerable)
return AddslashesIEnumerable(param, mapType, mapColumn);
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
//if (param is string) return string.Concat('N', nparms[a]);
}
public override DbCommand CreateCommand()
{
return Factory.CreateCommand();
}
public override void ReturnConnection(IObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
{
pool.Return(conn);
}
public override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
}
}