118 lines
4.4 KiB
C#
118 lines
4.4 KiB
C#
using MySql.Data.MySqlClient;
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using System;
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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.Data.SqlClient;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SqlSugar
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{
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public class MySqlProvider : AdoProvider
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{
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public MySqlProvider() { }
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public override IDbConnection Connection
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{
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get
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{
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if (base._DbConnection == null)
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{
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try
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{
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var mySqlConnectionString = base.Context.CurrentConnectionConfig.ConnectionString;
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if (!mySqlConnectionString.ToLower().Contains("charset"))
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{
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mySqlConnectionString = mySqlConnectionString.Trim().TrimEnd(';') + ";charset=utf8;";
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}
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base._DbConnection = new MySqlConnection(mySqlConnectionString);
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}
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catch (Exception ex)
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{
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Check.Exception(true, ErrorMessage.ConnnectionOpen, ex.Message);
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}
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}
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return base._DbConnection;
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}
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set
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{
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base._DbConnection = value;
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}
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}
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public override void BeginTran(string transactionName)
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{
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base.BeginTran();
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}
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/// <summary>
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/// Only SqlServer
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/// </summary>
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/// <param name="iso"></param>
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/// <param name="transactionName"></param>
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public override void BeginTran(IsolationLevel iso, string transactionName)
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{
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base.BeginTran(iso);
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}
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public override IDataAdapter GetAdapter()
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{
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return new MySqlDataAdapter();
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}
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public override DbCommand GetCommand(string sql, SugarParameter[] parameters)
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{
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MySqlCommand sqlCommand = new MySqlCommand(sql, (MySqlConnection)this.Connection);
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sqlCommand.CommandType = this.CommandType;
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sqlCommand.CommandTimeout = this.CommandTimeOut;
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if (this.Transaction != null)
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{
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sqlCommand.Transaction = (MySqlTransaction)this.Transaction;
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}
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if (parameters.HasValue())
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{
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IDataParameter[] ipars = ToIDbDataParameter(parameters);
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sqlCommand.Parameters.AddRange((MySqlParameter[])ipars);
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}
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CheckConnection();
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return sqlCommand;
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}
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public override void SetCommandToAdapter(IDataAdapter dataAdapter, DbCommand command)
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{
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((MySqlDataAdapter)dataAdapter).SelectCommand = (MySqlCommand)command;
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}
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/// <summary>
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/// if mysql return MySqlParameter[] pars
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/// if sqlerver return SqlParameter[] pars ...
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/// </summary>
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/// <param name="parameters"></param>
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/// <returns></returns>
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public override IDataParameter[] ToIDbDataParameter(params SugarParameter[] parameters)
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{
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if (parameters == null || parameters.Length == 0) return null;
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MySqlParameter[] result = new MySqlParameter[parameters.Length];
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int index = 0;
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foreach (var parameter in parameters)
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{
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if (parameter.Value == null) parameter.Value = DBNull.Value;
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var sqlParameter = new MySqlParameter();
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sqlParameter.ParameterName = parameter.ParameterName;
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sqlParameter.Size = parameter.Size;
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sqlParameter.Value = parameter.Value;
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sqlParameter.DbType = parameter.DbType;
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sqlParameter.Direction = parameter.Direction;
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if (sqlParameter.Direction == 0)
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{
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sqlParameter.Direction = ParameterDirection.Input;
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}
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result[index] = sqlParameter;
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if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue))
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{
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if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
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this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
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this.OutputParameters.Add(sqlParameter);
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}
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++index;
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}
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return result;
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}
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}
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}
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