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Add QuestDb
This commit is contained in:
dailyccc
109
Providers/FreeSql.Provider.QuestDb/QuestDbAdo/QuestDbAdo.cs
Normal file
109
Providers/FreeSql.Provider.QuestDb/QuestDbAdo/QuestDbAdo.cs
Normal file
@ -0,0 +1,109 @@
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using FreeSql.Internal;
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using FreeSql.Internal.Model;
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using Newtonsoft.Json.Linq;
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using Npgsql;
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using FreeSql.Internal.ObjectPool;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Linq;
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using System.Text;
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using System.Threading;
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namespace FreeSql.QuestDb
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{
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class QuestDbAdo : FreeSql.Internal.CommonProvider.AdoProvider
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{
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public QuestDbAdo() : base(DataType.PostgreSQL, null, null) { }
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public QuestDbAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.PostgreSQL, masterConnectionString, slaveConnectionStrings)
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{
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base._util = util;
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if (connectionFactory != null)
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{
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var pool = new FreeSql.Internal.CommonProvider.DbConnectionPool(DataType.PostgreSQL, connectionFactory);
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ConnectionString = pool.TestConnection?.ConnectionString;
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MasterPool = pool;
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return;
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}
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if (!string.IsNullOrEmpty(masterConnectionString))
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MasterPool = new QuestDbConnectionPool(CoreStrings.S_MasterDatabase, masterConnectionString, null, null);
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if (slaveConnectionStrings != null)
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{
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foreach (var slaveConnectionString in slaveConnectionStrings)
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{
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var slavePool = new QuestDbConnectionPool($"{CoreStrings.S_SlaveDatabase}{SlavePools.Count + 1}", slaveConnectionString, () => Interlocked.Decrement(ref slaveUnavailables), () => Interlocked.Increment(ref slaveUnavailables));
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SlavePools.Add(slavePool);
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}
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}
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}
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public override object AddslashesProcessParam(object param, Type mapType, ColumnInfo mapColumn)
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{
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if (param == null) return "NULL";
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if (mapType != null && mapType != param.GetType() && (param is IEnumerable == false || param is JToken || param is JObject || param is JArray))
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param = Utils.GetDataReaderValue(mapType, param);
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bool isdic;
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if (param is bool || param is bool?)
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return (bool)param;
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else if (param is string)
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return string.Concat("'", param.ToString().Replace("'", "''"), "'");
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else if (param is char)
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return string.Concat("'", param.ToString().Replace("'", "''").Replace('\0', ' '), "'");
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else if (param is Enum)
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return ((Enum)param).ToInt64();
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else if (decimal.TryParse(string.Concat(param), out var trydec))
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return param;
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else if (param is DateTime || param is DateTime?)
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return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.ffffff"), "'");
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else if (param is TimeSpan || param is TimeSpan?)
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return ((TimeSpan)param).Ticks / 10;
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else if (param is byte[])
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return $"'\\x{CommonUtils.BytesSqlRaw(param as byte[])}'";
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else if (param is JToken || param is JObject || param is JArray)
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return string.Concat("'", param.ToString().Replace("'", "''"), "'::jsonb");
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else if ((isdic = param is Dictionary<string, string>) ||
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param is IEnumerable<KeyValuePair<string, string>>)
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{
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var pgdics = isdic ? param as Dictionary<string, string> :
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param as IEnumerable<KeyValuePair<string, string>>;
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var pghstore = new StringBuilder("'");
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var pairs = pgdics.ToArray();
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for (var i = 0; i < pairs.Length; i++)
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{
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if (i != 0) pghstore.Append(",");
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pghstore.AppendFormat("\"{0}\"=>", pairs[i].Key.Replace("'", "''"));
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if (pairs[i].Value == null)
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pghstore.Append("NULL");
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else
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pghstore.AppendFormat("\"{0}\"", pairs[i].Value.Replace("'", "''"));
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}
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return pghstore.Append("'::hstore");
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}
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else if (param is IEnumerable)
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return AddslashesIEnumerable(param, mapType, mapColumn);
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return string.Concat("'", param.ToString().Replace("'", "''"), "'");
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}
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public override DbCommand CreateCommand()
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{
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return new NpgsqlCommand();
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}
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public override void ReturnConnection(IObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
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{
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var rawPool = pool as QuestDbConnectionPool;
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if (rawPool != null) rawPool.Return(conn, ex);
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else pool.Return(conn);
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}
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public override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
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}
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}
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@ -0,0 +1,241 @@
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using Npgsql;
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using FreeSql.Internal.ObjectPool;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.Common;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace FreeSql.QuestDb
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{
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class QuestDbConnectionPool : ObjectPool<DbConnection>
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{
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internal Action availableHandler;
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internal Action unavailableHandler;
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public QuestDbConnectionPool(string name, string connectionString, Action availableHandler, Action unavailableHandler) : base(null)
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{
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this.availableHandler = availableHandler;
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this.unavailableHandler = unavailableHandler;
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var policy = new PostgreSQLConnectionPoolPolicy
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{
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_pool = this,
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Name = name
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};
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this.Policy = policy;
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policy.ConnectionString = connectionString;
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}
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public void Return(Object<DbConnection> obj, Exception exception, bool isRecreate = false)
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{
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if (exception != null && exception is NpgsqlException)
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{
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if (obj.Value.Ping() == false)
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base.SetUnavailable(exception, obj.LastGetTimeCopy);
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}
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base.Return(obj, isRecreate);
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}
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}
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class PostgreSQLConnectionPoolPolicy : IPolicy<DbConnection>
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{
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internal QuestDbConnectionPool _pool;
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public string Name { get; set; } = $"PostgreSQL NpgsqlConnection {CoreStrings.S_ObjectPool}";
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public int PoolSize { get; set; } = 50;
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public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
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public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
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public int AsyncGetCapacity { get; set; } = 10000;
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public bool IsThrowGetTimeoutException { get; set; } = true;
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public bool IsAutoDisposeWithSystem { get; set; } = true;
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public int CheckAvailableInterval { get; set; } = 2;
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public int Weight { get; set; } = 1;
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static ConcurrentDictionary<string, int> dicConnStrIncr = new ConcurrentDictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
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private string _connectionString;
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public string ConnectionString
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{
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get => _connectionString;
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set
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{
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_connectionString = value ?? "";
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var minPoolSize = 0;
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var pattern = @"Min(imum)?\s*pool\s*size\s*=\s*(\d+)";
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var m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
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if (m.Success)
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{
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minPoolSize = int.Parse(m.Groups[2].Value);
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_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
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}
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pattern = @"Max(imum)?\s*pool\s*size\s*=\s*(\d+)";
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m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
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if (m.Success == false || int.TryParse(m.Groups[2].Value, out var poolsize) == false || poolsize <= 0) poolsize = Math.Max(50, minPoolSize);
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var connStrIncr = dicConnStrIncr.AddOrUpdate(_connectionString, 1, (oldkey, oldval) => Math.Min(5, oldval + 1));
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PoolSize = poolsize + connStrIncr;
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_connectionString = m.Success ?
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Regex.Replace(_connectionString, pattern, $"Maximum pool size={PoolSize}", RegexOptions.IgnoreCase) :
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$"{_connectionString};Maximum pool size={PoolSize}";
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pattern = @"Connection\s*LifeTime\s*=\s*(\d+)";
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m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
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if (m.Success)
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{
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IdleTimeout = TimeSpan.FromSeconds(int.Parse(m.Groups[1].Value));
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_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
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}
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FreeSql.Internal.CommonUtils.PrevReheatConnectionPool(_pool, minPoolSize);
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}
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}
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public bool OnCheckAvailable(Object<DbConnection> obj)
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{
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if (obj.Value == null) return false;
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if (obj.Value.State == ConnectionState.Closed) obj.Value.Open();
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return obj.Value.Ping(true);
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}
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public DbConnection OnCreate()
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{
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var conn = new NpgsqlConnection(_connectionString);
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return conn;
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}
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public void OnDestroy(DbConnection obj)
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{
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try { if (obj.State != ConnectionState.Closed) obj.Close(); } catch { }
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try { NpgsqlConnection.ClearPool(obj as NpgsqlConnection); } catch { }
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obj.Dispose();
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}
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public void OnGet(Object<DbConnection> obj)
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{
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if (_pool.IsAvailable)
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{
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if (obj.Value == null)
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{
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_pool.SetUnavailable(new Exception(CoreStrings.S_ConnectionStringError), obj.LastGetTimeCopy);
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throw new Exception(CoreStrings.S_ConnectionStringError_Check(this.Name));
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}
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if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && obj.Value.Ping() == false)
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{
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try
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{
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obj.Value.Open();
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}
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catch (Exception ex)
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{
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if (_pool.SetUnavailable(ex, obj.LastGetTimeCopy) == true)
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throw new Exception($"【{this.Name}】Block access and wait for recovery: {ex.Message}");
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throw ex;
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}
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}
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}
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}
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#if net40
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#else
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async public Task OnGetAsync(Object<DbConnection> obj)
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{
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if (_pool.IsAvailable)
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{
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if (obj.Value == null)
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{
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_pool.SetUnavailable(new Exception(CoreStrings.S_ConnectionStringError), obj.LastGetTimeCopy);
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throw new Exception(CoreStrings.S_ConnectionStringError_Check(this.Name));
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}
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if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && (await obj.Value.PingAsync()) == false)
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{
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try
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{
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await obj.Value.OpenAsync();
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}
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catch (Exception ex)
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{
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if (_pool.SetUnavailable(ex, obj.LastGetTimeCopy) == true)
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throw new Exception($"【{this.Name}】Block access and wait for recovery: {ex.Message}");
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throw ex;
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}
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}
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}
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}
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#endif
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public void OnGetTimeout()
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{
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}
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public void OnReturn(Object<DbConnection> obj)
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{
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//if (obj?.Value != null && obj.Value.State != ConnectionState.Closed) try { obj.Value.Close(); } catch { }
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}
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public void OnAvailable()
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{
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_pool.availableHandler?.Invoke();
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}
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public void OnUnavailable()
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{
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_pool.unavailableHandler?.Invoke();
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}
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}
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static class DbConnectionExtensions
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{
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static DbCommand PingCommand(DbConnection conn)
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{
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var cmd = conn.CreateCommand();
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cmd.CommandTimeout = 5;
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cmd.CommandText = "select 1";
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return cmd;
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}
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public static bool Ping(this DbConnection that, bool isThrow = false)
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{
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try
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{
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PingCommand(that).ExecuteNonQuery();
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return true;
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}
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catch
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{
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if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
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if (isThrow) throw;
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return false;
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}
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}
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#if net40
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#else
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async public static Task<bool> PingAsync(this DbConnection that, bool isThrow = false)
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{
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try
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{
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await PingCommand(that).ExecuteNonQueryAsync();
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return true;
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}
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catch
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{
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if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
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if (isThrow) throw;
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return false;
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}
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}
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#endif
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}
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}
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@ -0,0 +1,157 @@
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using Newtonsoft.Json.Linq;
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using Npgsql;
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using NpgsqlTypes;
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using System;
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using System.Collections;
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using System.Linq;
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using System.Net;
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using System.Net.NetworkInformation;
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namespace Newtonsoft.Json
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{
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public class QuestDbTypesConverter : JsonConverter
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{
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private static readonly Type typeof_BitArray = typeof(BitArray);
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private static readonly Type typeof_NpgsqlPoint = typeof(NpgsqlPoint);
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private static readonly Type typeof_NpgsqlLine = typeof(NpgsqlLine);
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private static readonly Type typeof_NpgsqlLSeg = typeof(NpgsqlLSeg);
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private static readonly Type typeof_NpgsqlBox = typeof(NpgsqlBox);
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private static readonly Type typeof_NpgsqlPath = typeof(NpgsqlPath);
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private static readonly Type typeof_NpgsqlPolygon = typeof(NpgsqlPolygon);
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private static readonly Type typeof_NpgsqlCircle = typeof(NpgsqlCircle);
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private static readonly Type typeof_Cidr = typeof((IPAddress, int));
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private static readonly Type typeof_IPAddress = typeof(IPAddress);
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private static readonly Type typeof_PhysicalAddress = typeof(PhysicalAddress);
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private static readonly Type typeof_String = typeof(string);
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private static readonly Type typeof_NpgsqlRange_int = typeof(NpgsqlRange<int>);
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private static readonly Type typeof_NpgsqlRange_long = typeof(NpgsqlRange<long>);
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private static readonly Type typeof_NpgsqlRange_decimal = typeof(NpgsqlRange<decimal>);
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private static readonly Type typeof_NpgsqlRange_DateTime = typeof(NpgsqlRange<DateTime>);
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public override bool CanConvert(Type objectType)
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{
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Type ctype = objectType.IsArray ? objectType.GetElementType() : objectType;
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var ctypeGenericType1 = ctype.GenericTypeArguments.FirstOrDefault();
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if (ctype == typeof_BitArray) return true;
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||||
if (ctype == typeof_NpgsqlPoint || ctypeGenericType1 == typeof_NpgsqlPoint) return true;
|
||||
if (ctype == typeof_NpgsqlLine || ctypeGenericType1 == typeof_NpgsqlLine) return true;
|
||||
if (ctype == typeof_NpgsqlLSeg || ctypeGenericType1 == typeof_NpgsqlLSeg) return true;
|
||||
if (ctype == typeof_NpgsqlBox || ctypeGenericType1 == typeof_NpgsqlBox) return true;
|
||||
if (ctype == typeof_NpgsqlPath || ctypeGenericType1 == typeof_NpgsqlPath) return true;
|
||||
if (ctype == typeof_NpgsqlPolygon || ctypeGenericType1 == typeof_NpgsqlPolygon) return true;
|
||||
if (ctype == typeof_NpgsqlCircle || ctypeGenericType1 == typeof_NpgsqlCircle) return true;
|
||||
|
||||
if (ctype == typeof_Cidr || ctypeGenericType1 == typeof_Cidr) return true;
|
||||
if (ctype == typeof_IPAddress) return true;
|
||||
if (ctype == typeof_PhysicalAddress) return true;
|
||||
|
||||
if (ctype == typeof_NpgsqlRange_int || ctypeGenericType1 == typeof_NpgsqlRange_int) return true;
|
||||
if (ctype == typeof_NpgsqlRange_long || ctypeGenericType1 == typeof_NpgsqlRange_long) return true;
|
||||
if (ctype == typeof_NpgsqlRange_decimal || ctypeGenericType1 == typeof_NpgsqlRange_decimal) return true;
|
||||
if (ctype == typeof_NpgsqlRange_DateTime || ctypeGenericType1 == typeof_NpgsqlRange_DateTime) return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
private object YieldJToken(Type ctype, JToken jt, int rank)
|
||||
{
|
||||
if (jt.Type == JTokenType.Null) return null;
|
||||
if (rank == 0)
|
||||
{
|
||||
var ctypeGenericType1 = ctype.GenericTypeArguments.FirstOrDefault();//ctype.Namespace == "System" && ctype.Name.StartsWith("Nullable`") ? ctype.GenericTypeArguments.FirstOrDefault() : null;
|
||||
if (ctype == typeof_BitArray) return jt.ToString().ToBitArray();
|
||||
|
||||
if (ctype == typeof_NpgsqlPoint || ctypeGenericType1 == typeof_NpgsqlPoint) return NpgsqlPoint.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlLine || ctypeGenericType1 == typeof_NpgsqlLine) return NpgsqlLine.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlLSeg || ctypeGenericType1 == typeof_NpgsqlLSeg) return NpgsqlLSeg.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlBox || ctypeGenericType1 == typeof_NpgsqlBox) return NpgsqlBox.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlPath || ctypeGenericType1 == typeof_NpgsqlPath) return NpgsqlPath.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlPolygon || ctypeGenericType1 == typeof_NpgsqlPolygon) return NpgsqlPolygon.Parse(jt.ToString());
|
||||
if (ctype == typeof_NpgsqlCircle || ctypeGenericType1 == typeof_NpgsqlCircle) return NpgsqlCircle.Parse(jt.ToString());
|
||||
|
||||
if (ctype == typeof_Cidr || ctypeGenericType1 == typeof_Cidr)
|
||||
{
|
||||
var cidrArgs = jt.ToString().Split(new[] { '/' }, 2);
|
||||
return (IPAddress.Parse(cidrArgs.First()), cidrArgs.Length >= 2 ? int.TryParse(cidrArgs[1], out var tryCdirSubnet) ? tryCdirSubnet : 0 : 0);
|
||||
}
|
||||
if (ctype == typeof_IPAddress) return IPAddress.Parse(jt.ToString());
|
||||
if (ctype == typeof_PhysicalAddress) return PhysicalAddress.Parse(jt.ToString());
|
||||
|
||||
if (ctype == typeof_NpgsqlRange_int || ctypeGenericType1 == typeof_NpgsqlRange_int) return jt.ToString().ToNpgsqlRange<int>();
|
||||
if (ctype == typeof_NpgsqlRange_long || ctypeGenericType1 == typeof_NpgsqlRange_long) return jt.ToString().ToNpgsqlRange<long>();
|
||||
if (ctype == typeof_NpgsqlRange_decimal || ctypeGenericType1 == typeof_NpgsqlRange_decimal) return jt.ToString().ToNpgsqlRange<decimal>();
|
||||
if (ctype == typeof_NpgsqlRange_DateTime || ctypeGenericType1 == typeof_NpgsqlRange_DateTime) return jt.ToString().ToNpgsqlRange<DateTime>();
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
var jtarr = jt.ToArray();
|
||||
var ret = Array.CreateInstance(ctype, jtarr.Length);
|
||||
var jtarrIdx = 0;
|
||||
foreach (var a in jtarr)
|
||||
{
|
||||
var t2 = YieldJToken(ctype, a, rank - 1);
|
||||
ret.SetValue(t2, jtarrIdx++);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
|
||||
{
|
||||
int rank = objectType.IsArray ? objectType.GetArrayRank() : 0;
|
||||
Type ctype = objectType.IsArray ? objectType.GetElementType() : objectType;
|
||||
|
||||
var ret = YieldJToken(ctype, JToken.Load(reader), rank);
|
||||
if (ret != null && rank > 0) return ret;
|
||||
return ret;
|
||||
}
|
||||
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
|
||||
{
|
||||
Type objectType = value.GetType();
|
||||
if (objectType.IsArray)
|
||||
{
|
||||
int rank = objectType.GetArrayRank();
|
||||
int[] indices = new int[rank];
|
||||
GetJObject(value as Array, indices, 0).WriteTo(writer);
|
||||
}
|
||||
else
|
||||
GetJObject(value).WriteTo(writer);
|
||||
}
|
||||
public static JToken GetJObject(object value)
|
||||
{
|
||||
if (value is BitArray) return JToken.FromObject((value as BitArray)?.To1010());
|
||||
if (value is IPAddress) return JToken.FromObject((value as IPAddress)?.ToString());
|
||||
if (value is ValueTuple<IPAddress, int> || value is ValueTuple<IPAddress, int>?)
|
||||
{
|
||||
ValueTuple<IPAddress, int>? cidrValue = (ValueTuple<IPAddress, int>?)value;
|
||||
return JToken.FromObject(cidrValue == null ? null : $"{cidrValue.Value.Item1.ToString()}/{cidrValue.Value.Item2.ToString()}");
|
||||
}
|
||||
return JToken.FromObject(value?.ToString());
|
||||
}
|
||||
public static JToken GetJObject(Array value, int[] indices, int idx)
|
||||
{
|
||||
if (idx == indices.Length)
|
||||
{
|
||||
return GetJObject(value.GetValue(indices));
|
||||
}
|
||||
JArray ja = new JArray();
|
||||
if (indices.Length == 1)
|
||||
{
|
||||
foreach (object a in value)
|
||||
ja.Add(GetJObject(a));
|
||||
return ja;
|
||||
}
|
||||
int lb = value.GetLowerBound(idx);
|
||||
int ub = value.GetUpperBound(idx);
|
||||
for (int b = lb; b <= ub; b++)
|
||||
{
|
||||
indices[idx] = b;
|
||||
ja.Add(GetJObject(value, indices, idx + 1));
|
||||
}
|
||||
return ja;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,73 @@
|
||||
using NpgsqlTypes;
|
||||
using System;
|
||||
using System.Collections;
|
||||
|
||||
public static partial class QuestDbTypesExtensions
|
||||
{
|
||||
/// <summary>
|
||||
/// 测量两个经纬度的距离，返回单位：米
|
||||
/// </summary>
|
||||
/// <param name="that">经纬坐标1</param>
|
||||
/// <param name="point">经纬坐标2</param>
|
||||
/// <returns>返回距离（单位：米）</returns>
|
||||
public static double Distance(this NpgsqlPoint that, NpgsqlPoint point)
|
||||
{
|
||||
double radLat1 = (double)(that.Y) * Math.PI / 180d;
|
||||
double radLng1 = (double)(that.X) * Math.PI / 180d;
|
||||
double radLat2 = (double)(point.Y) * Math.PI / 180d;
|
||||
double radLng2 = (double)(point.X) * Math.PI / 180d;
|
||||
return 2 * Math.Asin(Math.Sqrt(Math.Pow(Math.Sin((radLat1 - radLat2) / 2), 2) + Math.Cos(radLat1) * Math.Cos(radLat2) * Math.Pow(Math.Sin((radLng1 - radLng2) / 2), 2))) * 6378137;
|
||||
}
|
||||
|
||||
#if net40
|
||||
#else
|
||||
/// <summary>
|
||||
/// 测量两个经纬度的距离，返回单位：米
|
||||
/// </summary>
|
||||
/// <param name="that">经纬坐标1</param>
|
||||
/// <param name="point">经纬坐标2</param>
|
||||
/// <returns>返回距离（单位：米）</returns>
|
||||
public static double Distance(this Npgsql.LegacyPostgis.PostgisPoint that, Npgsql.LegacyPostgis.PostgisPoint point)
|
||||
{
|
||||
double radLat1 = (double)(that.Y) * Math.PI / 180d;
|
||||
double radLng1 = (double)(that.X) * Math.PI / 180d;
|
||||
double radLat2 = (double)(point.Y) * Math.PI / 180d;
|
||||
double radLng2 = (double)(point.X) * Math.PI / 180d;
|
||||
return 2 * Math.Asin(Math.Sqrt(Math.Pow(Math.Sin((radLat1 - radLat2) / 2), 2) + Math.Cos(radLat1) * Math.Cos(radLat2) * Math.Pow(Math.Sin((radLng1 - radLng2) / 2), 2))) * 6378137;
|
||||
}
|
||||
|
||||
public static NpgsqlRange<T> ToNpgsqlRange<T>(this string that)
|
||||
{
|
||||
var s = that;
|
||||
if (string.IsNullOrEmpty(s) || s == "empty") return NpgsqlRange<T>.Empty;
|
||||
string s1 = s.Trim('(', ')', '[', ']');
|
||||
string[] ss = s1.Split(new char[] { ',' }, 2);
|
||||
if (ss.Length != 2) return NpgsqlRange<T>.Empty;
|
||||
T t1 = default(T);
|
||||
T t2 = default(T);
|
||||
if (!string.IsNullOrEmpty(ss[0])) t1 = (T)Convert.ChangeType(ss[0], typeof(T));
|
||||
if (!string.IsNullOrEmpty(ss[1])) t2 = (T)Convert.ChangeType(ss[1], typeof(T));
|
||||
return new NpgsqlRange<T>(t1, s[0] == '[', s[0] == '(', t2, s[s.Length - 1] == ']', s[s.Length - 1] == ')');
|
||||
}
|
||||
#endif
|
||||
|
||||
public static string To1010(this BitArray ba)
|
||||
{
|
||||
char[] ret = new char[ba.Length];
|
||||
for (int a = 0; a < ba.Length; a++) ret[a] = ba[a] ? '1' : '0';
|
||||
return new string(ret);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 将 1010101010 这样的二进制字符串转换成 BitArray
|
||||
/// </summary>
|
||||
/// <param name="_1010Str">1010101010</param>
|
||||
/// <returns></returns>
|
||||
public static BitArray ToBitArray(this string _1010Str)
|
||||
{
|
||||
if (_1010Str == null) return null;
|
||||
BitArray ret = new BitArray(_1010Str.Length);
|
||||
for (int a = 0; a < _1010Str.Length; a++) ret[a] = _1010Str[a] == '1';
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user