/****** View with Source Object ******/
private ADODB.Recordset ConvertToRecordset(DataTable inTable)
{
ADODB.Recordset result = new ADODB.Recordset();
result.CursorLocation = ADODB.CursorLocationEnum.adUseClient;
ADODB.Fields resultFields = result.Fields;
System.Data.DataColumnCollection inColumns = inTable.Columns;
foreach (DataColumn inColumn in inColumns)
{
resultFields.Append(inColumn.ColumnName
, TranslateType(inColumn.DataType)
, inColumn.MaxLength
, inColumn.AllowDBNull ? ADODB.FieldAttributeEnum.adFldIsNullable : ADODB.FieldAttributeEnum.adFldUnspecified
, null);
}
result.Open(System.Reflection.Missing.Value
, System.Reflection.Missing.Value
, ADODB.CursorTypeEnum.adOpenStatic
, ADODB.LockTypeEnum.adLockOptimistic, 0);
foreach (DataRow dr in inTable.Rows)
{
result.AddNew(System.Reflection.Missing.Value, System.Reflection.Missing.Value);
for (int columnIndex = 0; columnIndex < inColumns.Count; columnIndex++)
{
resultFields[columnIndex].Value = dr[columnIndex];
}
}
return(result);
}
public void CopyTable(ADOX.Table tblAccess)
{
ADODB.Recordset recMaster = new ADODB.Recordset();
ADODB.Recordset recLoop = new ADODB.Recordset();
int intLoop = 0;
string strInfile = "";
string strSQL = "SELECT ";
string strRecord;
string strLoadFilePath = strSourceDbPath.Replace("\\", "\\\\");
string strFileName = strTempPath + tblAccess.Name + ".txt";
StreamWriter sw = new StreamWriter(strFileName, false);
//create the infile
strInfile += "LOAD DATA LOCAL INFILE '" + strFileName + "' INTO TABLE " + strMySQLDBName + "." + tblAccess.Name + " ";
strInfile += "FIELDS TERMINATED BY ',' ";
strInfile += "ESCAPED BY '\\\\' ";
strInfile += "LINES TERMINATED BY 0x0d0a ";
strInfile += "(";
//loop through fields to enumerate them for the infile and build a select statement
for (intLoop = 0; intLoop < tblAccess.Columns.Count; intLoop++)
{
strInfile += MySQLName((tblAccess.Columns[intLoop].Name));
switch (tblAccess.Columns[intLoop].Type)
{
case ADOX.DataTypeEnum.adDate: //convert to MySQL datetime format
strSQL += "FORMAT([" + tblAccess.Columns[intLoop].Name + "], 'YYYY-MM-DD HH:MM:SS') as " + tblAccess.Columns[intLoop].Name;
break;
default:
strSQL += "[" + tblAccess.Columns[intLoop].Name + "]";
break;
}
if (intLoop < tblAccess.Columns.Count - 1)
{
strSQL += ",";
strInfile += ", ";
}
}
strInfile += ");";
strSQL += " FROM [" + tblAccess.Name + "]";
//open the "Master" recordset
recMaster.CursorLocation = ADODB.CursorLocationEnum.adUseClient;
recMaster.Open(strSQL, conJCMS_db, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic, 0);
//create the "Loop" recordset, this is a clone of the master, with the exception
//that the definedsize for text fields is lengthened. This is because the added
//escape characters could potentially exceed the field length in the master recordset
recLoop.CursorLocation = ADODB.CursorLocationEnum.adUseClient;
ADODB.Fields fdsLoop = recLoop.Fields;
ADODB.Fields fdsMaster = recMaster.Fields;
foreach (ADODB.Field fldIn in fdsMaster)
{
if (fldIn.Type.ToString().IndexOf("Char") > 0)
{
fdsLoop.Append(fldIn.Name,
fldIn.Type,
fldIn.DefinedSize + 30,
ADODB.FieldAttributeEnum.adFldIsNullable,
null);
}
else
{
fdsLoop.Append(fldIn.Name,
fldIn.Type,
fldIn.DefinedSize,
ADODB.FieldAttributeEnum.adFldIsNullable,
null);
}
}
recLoop.Open(System.Reflection.Missing.Value, System.Reflection.Missing.Value, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic, 0);
recLoop.AddNew(System.Reflection.Missing.Value, System.Reflection.Missing.Value);
while (!recMaster.EOF)
{
for (int columnIndex = 0; columnIndex < recMaster.Fields.Count; columnIndex++)
{
recLoop.Fields[columnIndex].Value = recMaster.Fields[columnIndex].Value;
if (recLoop.Fields[columnIndex].Value.ToString().Length > 0)
{
if ((recLoop.Fields[columnIndex].Value.ToString().IndexOf("\\", 0) + 1) > 0)
{
recLoop.Fields[columnIndex].Value = recLoop.Fields[columnIndex].Value.ToString().Replace("\\", "\\\\");
}
if ((recLoop.Fields[columnIndex].Value.ToString().IndexOf(",", 0) + 1) > 0)
{
recLoop.Fields[columnIndex].Value = recLoop.Fields[columnIndex].Value.ToString().Replace(",", "\\,");
}
if ((recLoop.Fields[columnIndex].Value.ToString().IndexOf(System.Environment.NewLine, 0) + 1) > 0)
{
recLoop.Fields[columnIndex].Value = recLoop.Fields[columnIndex].Value.ToString().Replace(System.Environment.NewLine, " ");
}
}
}
strRecord = recLoop.GetString(ADODB.StringFormatEnum.adClipString, 1, ",", System.Environment.NewLine, "\\N");
recLoop.MovePrevious();
sw.Write(strRecord);
recMaster.MoveNext();
}
recMaster.Close();
recMaster.ActiveConnection = null;
try
{
recLoop.Close();
}
catch
{
}
sw.Close();
ExecuteSQL(strInfile);
File.Delete(strFileName);
recLoop = null;
}
