public static List <RdbField> RetrieveMySqlTableFields(String databaseType, String tableName)
{
List <RdbField> fieldNames = new List <RdbField>();
DataConnector dataConnector = new DataConnector();
dataConnector.OpenConnection(databaseType);
String query = "SELECT * FROM information_schema.columns WHERE table_schema = 'addoncontratos' AND table_name = '" + tableName + "'";
MySqlCommand command = new MySqlCommand(query, dataConnector.MySqlConnection);
MySqlDataReader dataReader = command.ExecuteReader();
while (dataReader.Read())
{
String columnInfo = ((String)dataReader["COLUMN_TYPE"]).Trim();
columnInfo = columnInfo.Replace(((String)dataReader["DATA_TYPE"]).Trim(), "");
columnInfo = columnInfo.Replace("(", "");
columnInfo = columnInfo.Replace(")", "");
short columnLenght = 0;
short.TryParse(columnInfo, out columnLenght);
RdbField field = new RdbField();
field.name = ((String)dataReader["COLUMN_NAME"]).Trim();
field.type = ((String)dataReader["DATA_TYPE"]).Trim();
field.size = columnLenght;
fieldNames.Add(field);
}
dataReader.Close();
dataConnector.CloseConnection();
return(fieldNames);
}
/// <summary>
/// Obtem o conteúdo do .CSV e cria as linhas correspondentes no DataTable
/// </summary>
private static void FillRows(DataTable table, String databaseType, String source, String[] headers)
{
DataConnector dataConnector = new DataConnector();
dataConnector.OpenConnection(databaseType);
DbCommand command = null;
if (databaseType == "mySql")
{
command = new MySqlCommand("SELECT * FROM " + source, dataConnector.MySqlConnection);
}
if (databaseType == "firebird")
{
command = new FbCommand("SELECT * FROM " + source, dataConnector.FirebirdConnection);
}
DbDataReader dataReader = command.ExecuteReader();
while (dataReader.Read())
{
DataRow newRow = table.NewRow();
int ndx = 0;
foreach (String field in headers)
{
newRow[ndx] = dataReader[field].ToString();
ndx++;
}
table.Rows.Add(newRow);
}
dataReader.Close();
dataConnector.CloseConnection();
}
public static List <RdbField> RetrieveFirebirdTableFields(String databaseType, String tableName)
{
List <RdbField> fieldNames = new List <RdbField>();
DataConnector dataConnector = new DataConnector();
dataConnector.OpenConnection(databaseType);
String query = "SELECT R.RDB$FIELD_NAME, T.RDB$TYPE_NAME, F.RDB$FIELD_LENGTH, R.RDB$NULL_FLAG " +
"FROM RDB$RELATION_FIELDS R, RDB$TYPES T, RDB$FIELDS F " +
"WHERE R.RDB$RELATION_NAME = '" + tableName + "' AND " +
"F.RDB$FIELD_NAME = R.RDB$FIELD_SOURCE AND " +
"T.RDB$FIELD_NAME = 'RDB$FIELD_TYPE' AND " +
"F.RDB$FIELD_TYPE = T.RDB$TYPE";
FbCommand command = new FbCommand(query, dataConnector.FirebirdConnection);
FbDataReader dataReader = command.ExecuteReader();
while (dataReader.Read())
{
RdbField field = new RdbField();
field.name = ((String)dataReader["RDB$FIELD_NAME"]).Trim();
field.type = ((String)dataReader["RDB$TYPE_NAME"]).Trim();
field.size = (short)dataReader["RDB$FIELD_LENGTH"];
fieldNames.Add(field);
}
dataReader.Close();
dataConnector.CloseConnection();
return(fieldNames);
}
public static List <String> RetrieveFirebirdUserTables(String databaseType)
{
List <String> userTables = new List <String>();
DataConnector dataConnector = new DataConnector();
dataConnector.OpenConnection(databaseType);
String query = "SELECT * FROM RDB$RELATIONS WHERE RDB$VIEW_BLR IS NULL AND RDB$SYSTEM_FLAG = 0 ORDER BY RDB$RELATION_NAME";
FbCommand command = new FbCommand(query, dataConnector.FirebirdConnection);
FbDataReader dataReader = command.ExecuteReader();
while (dataReader.Read())
{
String tableName = ((String)dataReader["RDB$RELATION_NAME"]).Trim();
userTables.Add(tableName);
}
dataReader.Close();
dataConnector.CloseConnection();
return(userTables);
}
public static List <String> RetrieveMySqlUserTables(String databaseType)
{
List <String> userTables = new List <String>();
DataConnector dataConnector = new DataConnector();
dataConnector.OpenConnection(databaseType);
String query = "SELECT * FROM information_schema.tables WHERE table_schema = 'addoncontratos'";
MySqlCommand command = new MySqlCommand(query, dataConnector.MySqlConnection);
MySqlDataReader dataReader = command.ExecuteReader();
while (dataReader.Read())
{
String tableName = ((String)dataReader["TABLE_NAME"]).Trim();
userTables.Add(tableName);
}
dataReader.Close();
dataConnector.CloseConnection();
return(userTables);
}
