public JSResults Select(string queryString)
{
JSResults result = new JSResults();
MySqlConnection conn = new MySqlConnection(connStr);
try
{
conn.Open();
MySqlCommand cmd = new MySqlCommand(queryString, conn);
MySqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
JSResult item = new JSResult();
Console.WriteLine(reader.VisibleFieldCount);
for (int i = 0; i < reader.FieldCount; i++)
{
try
{
if (item.ContainsKey(reader.GetName(i)))
{
continue;
}
switch (reader.GetValue(i).ToString())
{
case "System.Byte[]":
byte[] data = (byte[])reader[reader.GetName(i)];
item.Add(reader.GetName(i), data);
break;
default:
item.Add(reader.GetName(i), reader.GetString(i));
break;
}
}
catch (System.Data.SqlTypes.SqlNullValueException ex)
{
item.Add(reader.GetName(i), null);
}
}
result.Add(item);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
conn.Close();
}
return(result);
}
/// <summary>
/// - 쿼리 입력 시에 마지막에 limit를 자동으로 입력해줌.
/// - 쿼리 마지막에 ';' 입력 금지
/// </summary>
/// <param name="queryString"></param>
/// <param name="limit"></param>
/// <param name="page"></param>
/// <returns></returns>
public JSResults Select_Paging(string queryString, int limit, int page)
{
JSResults result = new JSResults();
MySqlConnection conn = new MySqlConnection(connStr);
try
{
conn.Open();
MySqlCommand cmd = new MySqlCommand(queryString + " LIMIT " + (limit * (page - 1)) + ", " + limit + ";", conn);
MySqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
JSResult item = new JSResult();
for (int i = 0; i < reader.FieldCount; i++)
{
try
{
switch (reader.GetValue(i).ToString())
{
case "System.Byte[]":
byte[] data = (byte[])reader[reader.GetName(i)];
item.Add(reader.GetName(i), data);
break;
default:
item.Add(reader.GetName(i), reader.GetString(i));
break;
}
}
catch (System.Data.SqlTypes.SqlNullValueException ex)
{
item.Add(reader.GetName(i), null);
}
}
result.Add(item);
}
}
catch (Exception ex)
{
}
finally
{
conn.Close();
}
return(result);
}
public JSResults Select(string query)
{
if (true == ConnectToOracle())
{
JSResults result = new JSResults();
Dictionary <int, byte[]> images = new Dictionary <int, byte[]>();
OracleCommand oracle_cmd = new OracleCommand(query, connToORACLE);
OracleDataReader oracle_reader = oracle_cmd.ExecuteReader();
try
{
while (oracle_reader.Read())
{
JSResult item = new JSResult();
for (int i = 0; i < oracle_reader.FieldCount; i++)
{
string s = oracle_reader.GetName(i);
item.Add(oracle_reader.GetName(i), (string)oracle_reader.GetValue(i).ToString());
//오라클 바이트처리 해야됨......
}
result.Add(item);
}
}
finally
{
UnconnectToOracle();
}
if (result.Count != 0)
{
return(result);
}
else
{
return(null);
}
}
return(null);
}
public JSResults Select(string queryString)
{
JSResults result = new JSResults();
try
{
conn.Open();
using (var command = new NpgsqlCommand())
{
command.Connection = conn;
command.CommandText = queryString;
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
JSResult item = new JSResult();
for (int i = 0; i < reader.FieldCount; i++)
{
if (reader.IsDBNull(i) == false)
{
Console.WriteLine(reader.GetName(i) + " : " + reader.GetPostgresType(i).ToString());
switch (reader.GetPostgresType(i).ToString())
{
//case :
// byte[] data = (byte[])reader[reader.GetName(i)];
// item.Add(reader.GetName(i), data);
// break;
case "integer":
item.Add(reader.GetName(i), reader.GetInt32(i));
break;
case "date":
item.Add(reader.GetName(i), reader.GetDate(i));
break;
case "timestamp without time zone":
item.Add(reader.GetName(i), reader.GetTimeStamp(i));
break;
case "jsonb":
case "character":
case "character varying":
item.Add(reader.GetName(i), reader.GetString(i));
break;
default:
Console.WriteLine("===================" + reader.GetName(i) + " : " + reader.GetPostgresType(i).ToString());
break;
}
}
else
{
item.Add(reader.GetName(i), null);
}
}
result.Add(item);
}
reader.Close();
}
}
}
catch (Npgsql.PostgresException ex)
{
return(result);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
conn.Close();
}
return(result);
}