private string SanitizeString(DbTypes dbType, string s)
{
if (String.IsNullOrEmpty(s))
{
return(String.Empty);
}
string ret = "";
switch (dbType)
{
case DbTypes.MsSql:
ret = MssqlHelper.SanitizeString(s);
break;
case DbTypes.MySql:
ret = MysqlHelper.SanitizeString(s);
break;
case DbTypes.PgSql:
ret = PgsqlHelper.SanitizeString(s);
break;
}
return(ret);
}
private string PreparedStringValue(string s)
{
switch (_DbType)
{
case DbTypes.MsSql:
return("'" + MssqlHelper.SanitizeString(s) + "'");
case DbTypes.MySql:
return("'" + MysqlHelper.SanitizeString(s) + "'");
case DbTypes.PgSql:
// uses $xx$ escaping
return(PgsqlHelper.SanitizeString(s));
}
return(null);
}
private void PopulaConnectionString()
{
ConnectionString = "";
switch (_DbType)
{
case DbTypes.MsSql:
ConnectionString = MssqlHelper.ConnectionString(_ServerIp, _ServerPort, _Username, _Password, _Instance, _DatabaseName);
break;
case DbTypes.MySql:
ConnectionString = MysqlHelper.ConnectionString(_ServerIp, _ServerPort, _Username, _Password, _DatabaseName);
break;
case DbTypes.PgSql:
ConnectionString = PgsqlHelper.ConnectionString(_ServerIp, _ServerPort, _Username, _Password, _DatabaseName);
break;
}
return;
}
/// <summary>
/// Sanitize an input string.
/// </summary>
/// <param name="val">The value to sanitize.</param>
/// <returns>A sanitized string.</returns>
public string SanitizeString(string val)
{
if (String.IsNullOrEmpty(val))
{
return(val);
}
switch (_DbType)
{
case DbTypes.MsSql:
return(MssqlHelper.SanitizeString(val));
case DbTypes.MySql:
return(MysqlHelper.SanitizeString(val));
case DbTypes.PgSql:
return(PgsqlHelper.SanitizeString(val));
}
throw new Exception("Unknown database type");
}
private void CarregaDetalhesTabela()
{
lock (_LoadingTablesLock)
{
string query = "";
DataTable result = new DataTable();
Dictionary <string, List <Coluna> > tableDetails = new Dictionary <string, List <Coluna> >();
foreach (string currTable in _TableNames)
{
#region Gather-Schema
List <Coluna> columns = new List <Coluna>();
List <Constraint> mReferrencias = new List <Constraint>();
switch (_DbType)
{
case DbTypes.MsSql:
query = MssqlHelper.LoadTableColumnsQuery(_DatabaseName, currTable);
break;
case DbTypes.MySql:
query = MysqlHelper.LoadTableColumnsQuery(_DatabaseName, currTable);
break;
case DbTypes.PgSql:
query = PgsqlHelper.LoadTableColumnsQuery(_DatabaseName, currTable);
break;
}
#endregion
#region Process-Schema
result = Query(query);
if (result != null && result.Rows.Count > 0)
{
foreach (DataRow currColumn in result.Rows)
{
#region Process-Each-Column
/*
* public bool IsPrimaryKey;
* public string Name;
* public string DataType;
* public int? MaxLength;
* public bool Nullable;
*/
Coluna tempColumn = new Coluna();
int maxLength = 0;
switch (_DbType)
{
case DbTypes.MsSql:
#region Mssql
tempColumn.Name = currColumn["COLUMN_NAME"].ToString();
if (currColumn["CONSTRAINT_NAME"].ToString().StartsWith("PK_"))
{
tempColumn.IsPrimaryKey = true;
}
else
{
tempColumn.IsPrimaryKey = false;
}
tempColumn.DataType = currColumn["DATA_TYPE"].ToString();
if (!Int32.TryParse(currColumn["CHARACTER_MAXIMUM_LENGTH"].ToString(), out maxLength))
{
tempColumn.MaxLength = null;
}
else
{
tempColumn.MaxLength = maxLength;
}
if (String.Compare(currColumn["IS_NULLABLE"].ToString(), "YES") == 0)
{
tempColumn.Nullable = true;
}
else
{
tempColumn.Nullable = false;
}
break;
#endregion
case DbTypes.MySql:
#region Mysql
tempColumn.Name = currColumn["COLUMN_NAME"].ToString();
if (String.Compare(currColumn["COLUMN_KEY"].ToString(), "PRI") == 0)
{
tempColumn.IsPrimaryKey = true;
}
else
{
tempColumn.IsPrimaryKey = false;
}
tempColumn.DataType = currColumn["DATA_TYPE"].ToString();
if (!Int32.TryParse(currColumn["CHARACTER_MAXIMUM_LENGTH"].ToString(), out maxLength))
{
tempColumn.MaxLength = null;
}
else
{
tempColumn.MaxLength = maxLength;
}
if (String.Compare(currColumn["IS_NULLABLE"].ToString(), "YES") == 0)
{
tempColumn.Nullable = true;
}
else
{
tempColumn.Nullable = false;
}
break;
#endregion
case DbTypes.PgSql:
#region Pgsql
tempColumn.Name = "\"" + currColumn["column_name"].ToString() + "\"";
if (String.Compare(currColumn["is_primary_key"].ToString(), "YES") == 0)
{
tempColumn.IsPrimaryKey = true;
}
else
{
tempColumn.IsPrimaryKey = false;
}
tempColumn.DataType = currColumn["DATA_TYPE"].ToString();
if (!Int32.TryParse(currColumn["max_len"].ToString(), out maxLength))
{
tempColumn.MaxLength = null;
}
else
{
tempColumn.MaxLength = maxLength;
}
if (String.Compare(currColumn["IS_NULLABLE"].ToString(), "YES") == 0)
{
tempColumn.Nullable = true;
}
else
{
tempColumn.Nullable = false;
}
if (string.IsNullOrEmpty(currColumn["column_default"].ToString()))
{
tempColumn.Default = "";
}
else
{
tempColumn.Default = currColumn["column_default"].ToString();
}
break;
#endregion
}
columns.Add(tempColumn);
#endregion
}
tableDetails.Add(currTable, columns);
switch (_DbType)
{
case DbTypes.MsSql:
query = "";
break;
case DbTypes.MySql:
query = "";
break;
case DbTypes.PgSql:
query = PgsqlHelper.LoadConstraintQuery(_DatabaseName, currTable);
break;
}
if (!string.IsNullOrEmpty(query))
{
result = Query(query);
if (result != null && result.Rows.Count > 0)
{
foreach (DataRow currColumn in result.Rows)
{
#region Process-Each-Column
Constraint tempConstraint = new Constraint();
switch (_DbType)
{
case DbTypes.MsSql:
#region Mssql
break;
#endregion
case DbTypes.MySql:
#region Mysql
break;
#endregion
case DbTypes.PgSql:
#region Pgsql
tempConstraint.Name = "\"" + currColumn["constraint_name"].ToString() + "\"";
tempConstraint.ForeignTable = "\"" + currColumn["foreign_table_name"].ToString() + "\"";
tempConstraint.ForeignColumns = "\"" + currColumn["foreign_column_name"].ToString() + "\"";
tempConstraint.LocalColumns = "\"" + currColumn["column_name"].ToString() + "\"";
tempConstraint.Type = currColumn["constraint_type"].ToString();
break;
#endregion
}
mReferrencias.Add(tempConstraint);
#endregion
}
}
}
}
mTabelas.Add(new Tabela("\"" + currTable + "\"", columns, mReferrencias));
#endregion
}
#region Replace-Table-Details
_TableDetails = new ConcurrentDictionary <string, List <Coluna> >();
foreach (KeyValuePair <string, List <Coluna> > curr in tableDetails)
{
_TableDetails.TryAdd(curr.Key, curr.Value);
}
#endregion
return;
}
}
private void CarregaTabelas()
{
lock (_LoadingTablesLock)
{
string query = "";
DataTable result = new DataTable();
#region Build-Query
switch (_DbType)
{
case DbTypes.MsSql:
query = MssqlHelper.LoadTableNamesQuery(_DatabaseName);
break;
case DbTypes.MySql:
query = MysqlHelper.LoadTableNamesQuery();
break;
case DbTypes.PgSql:
query = PgsqlHelper.LoadTableNamesQuery();
break;
}
#endregion
#region Process-Results
result = Query(query);
List <string> tableNames = new List <string>();
if (result != null && result.Rows.Count > 0)
{
switch (_DbType)
{
case DbTypes.MsSql:
foreach (DataRow curr in result.Rows)
{
tableNames.Add(curr["TABLE_NAME"].ToString());
}
break;
case DbTypes.MySql:
foreach (DataRow curr in result.Rows)
{
tableNames.Add(curr["Tables_in_" + _DatabaseName].ToString());
}
break;
case DbTypes.PgSql:
foreach (DataRow curr in result.Rows)
{
tableNames.Add(curr["tablename"].ToString());
}
break;
}
}
if (tableNames != null && tableNames.Count > 0)
{
_TableNames = new ListaConcorrente <string>();
foreach (string curr in tableNames)
{
_TableNames.Add(curr);
}
}
#endregion
return;
}
}