/// <summary>
/// 记录 Sql 执行过程。
///
/// 把 SQL 语句及参数，写到 SQL_TRACE_FILE 配置所对应的文件中。
/// </summary>
/// <param name="sql"></param>
/// <param name="parameters"></param>
/// <param name="connectionSchema"></param>
public override void LogDbAccessed(string sql, IDbDataParameter[] parameters, DbConnectionSchema connectionSchema)
{
if (_sqlTraceFile == null)
{
_sqlTraceFile = ConfigurationHelper.GetAppSettingOrDefault("SQL_TRACE_FILE", string.Empty);
}
if (_sqlTraceFile.Length > 0)
{
var content = sql;
if (parameters.Length > 0)
{
var pValues = parameters.Select(p =>
{
var value = p.Value;
if (value is string)
{
value = '"' + value.ToString() + '"';
}
return value;
});
content += Environment.NewLine + "Parameters:" + string.Join(",", pValues);
}
content = DateTime.Now + Environment.NewLine + "Database: " + connectionSchema.Database + Environment.NewLine + content + "\r\n\r\n\r\n";
AppendAllText(_sqlTraceFile, content);
}
}
private void Init(DbConnectionSchema schema, IDbConnection connection = null)
{
this._connectionSchema = schema;
this._factory = ConverterFactory.GetFactory(schema.ProviderName);
this._converter = ConverterFactory.Create(schema.ProviderName);
if (connection == null)
{
this._connection = this._factory.CreateConnection();
this._connection.ConnectionString = schema.ConnectionString;
this._connectionCreatedBySelf = true;
}
else
{
this._connection = connection;
}
}
public override void LogDbAccessed(string sql, IDbDataParameter[] parameters, DbConnectionSchema connectionSchema)
{
var content = sql;
if (parameters.Length > 0)
{
var pValues = parameters.Select(p =>
{
var value = p.Value;
if (value is string)
value = '"' + value.ToString() + '"';
return value;
});
content += Environment.NewLine + "Parameters:" + string.Join(",", pValues);
}
content = DateTime.Now + "\r\nDatabase: " + connectionSchema.Database + "\r\n" + content + "\r\n\r\n\r\n";
TraceMessage(content);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="schema">the connection schema.</param>
/// <param name="dbConnection">use a exsiting connection, rather than to create a new one.</param>
public DbAccesser(DbConnectionSchema schema, IDbConnection dbConnection)
{
this.Init(schema, dbConnection);
}
private void Init(DbConnectionSchema schema, IDbConnection connection = null)
{
this._connectionSchema = schema;
this._factory = ConverterFactory.GetFactory(schema.ProviderName);
this._converter = ConverterFactory.Create(schema.ProviderName);
if (connection == null)
{
this._connection = this._factory.CreateConnection();
this._connection.ConnectionString = schema.ConnectionString;
this._connectionCreatedBySelf = true;
}
else
{
this._connection = connection;
}
}
/// <summary>
/// Constructor
///
/// this accessor uses schema to find its connection string, and creates connection by itself.
/// </summary>
/// <param name="schema">the connection schema.</param>
public DbAccesser(DbConnectionSchema schema)
{
this.Init(schema);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="schema">the connection schema.</param>
/// <param name="dbConnection">use a exsiting connection, rather than to create a new one.</param>
public DbAccesser(DbConnectionSchema schema, IDbConnection dbConnection)
{
this.Init(schema, dbConnection);
}
/// <summary>
/// Constructor
///
/// this accessor uses schema to find its connection string, and creates connection by itself.
/// </summary>
/// <param name="schema">the connection schema.</param>
public DbAccesser(DbConnectionSchema schema)
{
this.Init(schema);
}
public DbAccessedEventArgs(string sql, IDbDataParameter[] parameters, DbConnectionSchema connectionSchema)
{
this.Sql = sql;
this.Parameters = parameters;
this.ConnectionSchema = connectionSchema;
}
/// <summary>
/// 记录 Sql 执行过程。
/// </summary>
/// <param name="sql">The SQL.</param>
/// <param name="parameters">The parameters.</param>
/// <param name="connectionSchema">The connection schema.</param>
public static void LogDbAccessed(string sql, IDbDataParameter[] parameters, DbConnectionSchema connectionSchema)
{
_dbAccessedCount++;
_threadDbAccessedCount++;
lock (_lock)
{
try
{
_impl.LogDbAccessed(sql, parameters, connectionSchema);
}
catch { }
}
if (EnableSqlObervation)
{
var handler1 = _threadDbAccessedHandler;
var handler2 = DbAccessed;
if (handler1 != null || handler2 != null)
{
var args = new DbAccessedEventArgs(sql, parameters, connectionSchema);
if (handler1 != null)
{
handler1(null, new DbAccessedEventArgs(sql, parameters, connectionSchema));
}
if (handler2 != null)
{
handler2(null, new DbAccessedEventArgs(sql, parameters, connectionSchema));
}
}
}
}
/// <summary>
/// 记录 Sql 执行过程。
/// </summary>
/// <param name="sql"></param>
/// <param name="parameters"></param>
/// <param name="connectionSchema"></param>
public virtual void LogDbAccessed(string sql, IDbDataParameter[] parameters, DbConnectionSchema connectionSchema) { }
