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65 lines
3.0 KiB
C#
65 lines
3.0 KiB
C#
using FreeSql.Internal;
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using SafeObjectPool;
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using System;
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using System.Collections;
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using System.Data.Common;
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using System.Data.SqlClient;
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using System.Text;
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using System.Threading;
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namespace FreeSql.SqlServer {
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class SqlServerAdo : FreeSql.Internal.CommonProvider.AdoProvider {
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public SqlServerAdo() : base(DataType.SqlServer) { }
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public SqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings) : base(DataType.SqlServer) {
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base._util = util;
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if (!string.IsNullOrEmpty(masterConnectionString))
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MasterPool = new SqlServerConnectionPool("主库", masterConnectionString, null, null);
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if (slaveConnectionStrings != null) {
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foreach (var slaveConnectionString in slaveConnectionStrings) {
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var slavePool = new SqlServerConnectionPool($"从库{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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static DateTime dt1970 = new DateTime(1970, 1, 1);
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public override object AddslashesProcessParam(object param, Type mapType) {
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if (param == null) return "NULL";
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if (mapType != null && mapType != param.GetType())
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param = Utils.GetDataReaderValue(mapType, param);
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if (param is bool || param is bool?)
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return (bool)param ? 1 : 0;
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else if (param is string || param is char)
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return string.Concat("'", param.ToString().Replace("'", "''"), "'");
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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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if (param.Equals(DateTime.MinValue) == true) param = new DateTime(1970, 1, 1);
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return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.fff"), "'");
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} else if (param is DateTimeOffset || param is DateTimeOffset?) {
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if (param.Equals(DateTimeOffset.MinValue) == true) param = new DateTimeOffset(new DateTime(1970, 1, 1), TimeSpan.Zero);
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return string.Concat("'", ((DateTimeOffset)param).ToString("yyyy-MM-dd HH:mm:ss.fff zzzz"), "'");
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} else if (param is TimeSpan || param is TimeSpan?)
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return ((TimeSpan)param).TotalSeconds;
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else if (param is IEnumerable) {
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var sb = new StringBuilder();
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var ie = param as IEnumerable;
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foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
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return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
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}
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return string.Concat("'", param.ToString().Replace("'", "''"), "'");
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//if (param is string) return string.Concat('N', nparms[a]);
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}
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protected override DbCommand CreateCommand() {
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return new SqlCommand();
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}
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protected override void ReturnConnection(ObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex) {
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(pool as SqlServerConnectionPool).Return(conn, ex);
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}
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protected override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
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}
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} |