public static bool CreateForm(OdbcDataReader reader, Room room)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "room_id": room._roomID = reader.GetInt32(i);
break;
case "branch_id": room._branchID = reader.GetInt32(i);
break;
case "name": room._name = reader.GetString(i);
break;
case "seat_no": room._seatNo = reader.GetInt32(i);
break;
case "img": room._img = reader.GetString(i);
break;
case "description": room._description = reader.GetString(i);
break;
// helper info
case "branch_name": room._branchName = reader.GetString(i);
break;
}
}
return reader.HasRows;
}
public static bool CreateForm(OdbcDataReader reader, AppUser user)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name)
{
case "username": user._username = reader.GetString(i);
break;
case "user_id": user._userId = reader.GetInt32(i);
break;
case "passwd": user._encodedPassword = reader.GetString(i);
break;
case "firstname": user._firstname = reader.GetString(i);
break;
case "surname": user._surname = reader.GetString(i);
break;
case "role_id": user._roleId = reader.GetInt32(i);
break;
case "branch_id": user._branchID = reader.GetInt32(i);
break;
case "is_valid": user._isValid = reader.GetInt32(i) > 0 ? true : false;
break;
// helper info
case "branch_name": user._branchName = reader.GetString(i);
break;
}
}
return reader.HasRows;
}
//initializing the leader handler
public void BeginHandling()
{
try
{
email = DB_Handler.GetEmail(userName, dbConn);
// command = " SELECT T.Number, T.Issue_Date, I.Assigned, I.Attachment, I.JobDone, I.Status, I.Sequence, I.Due_Date, I.Requirements" +
// " FROM Ticket AS T, Ticket_Information AS I WHERE T.Number=I.Number";
command = " SELECT T.Number, T.Issue_Date, I.Assigned,I.Status, I.Due_Date" +
" FROM Ticket AS T, Ticket_Information AS I WHERE T.Number=I.Number AND T.Assigner ='" + userName + "'";
sqlCommand = new OdbcCommand(command, dbConn);
dbReader = sqlCommand.ExecuteReader();
while (dbReader.Read())
{
line = "";//empty the line so you can read the next row
for (int i = 0; i < dbReader.FieldCount-1; i++)
{
line += dbReader.GetString(i) + "##";// but the whole row in one column and send it, seperated by commas
}
writer.WriteLine(line);
writer.Flush();
}
writer.WriteLine(".");// end of reading from the database
writer.Flush();
DB_Handler.DisposeAll(sqlCommand, dbReader);
WaitForQueries();
}
catch
{
Console.WriteLine(" The Database is down please try again later");//for debugging server
DB_Handler.DisposeAll(sqlCommand, dbReader);
}
}
/// <summary>
/// 返回一个DataReader
/// </summary>
/// <param name="commandText">SQL语句字符串</param>
/// <param name="timeOut">超时限制</param>
/// <returns></returns>
public override IDataReader GetDataReader(string commandText, int timeOut)
{
OdbcCommand cmd = new OdbcCommand(commandText);
cmd.Connection = (OdbcConnection)this.connection;
if (timeOut > 30)
{
cmd.CommandTimeout = timeOut;
}
if (isInTransaction)
{
cmd.Transaction = (OdbcTransaction)transaction;
}
try
{
System.Data.Odbc.OdbcDataReader reader = (OdbcDataReader)cmd.ExecuteReader();
return(reader);
}
catch (Exception err)
{
throw new EntityException(err.Message);
}
finally
{
cmd.Dispose();
cmd = null;
}
}
/// <summary>
/// DisplayRecords: This function displays the records in the view if any.
/// </summary>
static void DisplayRecords()
{
Console.Write("\tRecords in Prescirption list...");
try
{
reader = (OdbcDataReader)command.ExecuteReader();
// read the returned resultset
while (reader.Read())
{
/*
* This view consists the following fields:
* rxdef_id (TINYINT)
* drug_name (CHARACTER 50)
* description (CHARACTER 50)
* rx_date (DATE)
* For the purpose of keeping it simple, we are displaying the rxdef_id and drug_name on the console (the first two fields)
*/
Console.WriteLine("\n\t\t{0} {1} ", reader.GetInt16(0), reader.GetString(1));
}
// close the reader
reader.Close();
}
catch (Exception e)
{
ExceptionDisplay(e);
}
}
//Constructor
internal DbCache(OdbcDataReader record, int count) {
_count = count;
_record = record;
_randomaccess = (!record.IsBehavior(CommandBehavior.SequentialAccess));
_values = new object[count];
_isBadValue = new bool[count];
}
//initializing the leader handler
public void BeginHandling()
{
try
{
//writer.WriteLine("I am not done");
command = " SELECT T.Number, T.Assigner, T.Issue_Date, I.Assigned, I.Attachment, I.JobDone, I.Status, I.Sequence, I.Due_Date, I.Requirements" +
" FROM Ticket AS T, Ticket_Information AS I" +
" WHERE T.Number=I.Number AND I.Assigned='" + userName +
"' AND (I.Status = 'Assigned' OR I.Status='Waiting' OR I.Status='Work_In_Progress') AND I.Due_Date > #" + System.DateTime.Now + "#";
sqlCommand = new OdbcCommand(command, dbConn);
dbReader = sqlCommand.ExecuteReader();
//Console.WriteLine("I am done");
while (dbReader.Read())
{
line = "";//empty the line so you can read the next row
for (int i = 0; i < dbReader.FieldCount - 1; i++)
{
line += dbReader.GetString(i) + "##";// but the whole row in one column and send it, seperated by commas
}
writer.WriteLine(line);
writer.Flush();
}
writer.WriteLine(".");// end of reading from the database
writer.Flush();
DB_Handler.DisposeAll(sqlCommand, dbReader);
WaitForQueries();
//do not forget to close the reader
}
catch
{
Console.WriteLine(" The Database is down please try again later");//for debugging server
}
}
public XDocument formatTasks(OdbcDataReader r)
{
xdoc = new XDocument();
XElement title, notes, startdatetime, enddatetime, place, id;
XElement root = new XElement("message");
XAttribute type = new XAttribute("type", "tasks");
XAttribute errorStatus = new XAttribute("error_status", "0");
root.Add(type);
XElement tasks = new XElement("tasks");
while (r.Read())
{
XElement task = new XElement("task");
id = new XElement("id", r.GetValue(0).ToString());
task.Add(id);
title = new XElement("title", r.GetValue(1).ToString());
task.Add(title);
notes = new XElement("notes", r.GetValue(2).ToString());
task.Add(notes);
startdatetime = new XElement("startdatetime", r.GetValue(3).ToString());
task.Add(startdatetime);
enddatetime = new XElement("enddatetime", r.GetValue(4).ToString());
task.Add(enddatetime);
place = new XElement("place", r.GetValue(5).ToString());
task.Add(place);
tasks.Add(task);
}
root.Add(tasks);
root.Add(errorStatus);
xdoc.Add(root);
return xdoc;
}
/// <summary>
/// DisplayRecords: This function displays the records in the view if any.
/// </summary>
static void DisplayRecords()
{
Console.Write("\tRecord in getpatientbalance stored procedure");
try
{
reader = (OdbcDataReader)command.ExecuteReader();
// read the returned resultset
while (reader.Read())
{
/*
* This view consists the following fields:
* pat_id
* pat_0_30_days
* pat_31_60_days
* pat_61_90_days
* pat_91_120_days
* pat_121_plus_days
* last_pmt_date
* last_pmt_amt
* last_pmt_type
* last_pmt_desc
*/
Console.WriteLine("\npat_id:{0}\npat_0_30_days: {1}\npat_31_60_days: {2} \npat_61_90_days: {3}\npat_91_120_plus_days: {4} \npat_121_plus_days: {5}\nlast_pmt_date: {6} \nlast_pmt_amt: {7}\nlast_pmt_type: {8}\nlast_pmt_desc: {9}",
reader.GetValue(0), reader.GetValue(1), reader.GetValue(2), reader.GetValue(3), reader.GetValue(4), reader.GetValue(5), reader.GetValue(6), reader.GetValue(7), reader.GetValue(8), reader.GetValue(9));
}
// close the reader
reader.Close();
}
catch (Exception e)
{
ExceptionDisplay(e);
}
}
public static bool CreateForm(OdbcDataReader reader, Branch branch)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "branch_id": branch._branchID = reader.GetInt32(i);
break;
case "branch_name": branch._branchName = reader.GetString(i);
break;
case "branch_code": branch._branchCode = reader.GetString(i);
break;
case "address": branch._address = reader.GetString(i);
break;
case "tel": branch._tel = reader.GetString(i);
break;
case "img": branch._img = reader.GetString(i);
break;
case "supervisor": branch._supervisor = reader.GetString(i);
break;
}
}
return reader.HasRows;
}
// SQLGetReader
public Odbc.OdbcDataReader SQLGetReader(string command)
{
sqlCommand.Connection = sqlConnection;
sqlCommand.CommandText = command;
sqlDataReader = sqlCommand.ExecuteReader();
return(sqlDataReader);
}
// Create an instance dataReader
// Return type object of OdbcDataReader
public void GetReader(string strQuery)
{
// Create a Command object
aCommand = new OdbcCommand(strQuery, connection);
// Create data reader object using strQuery string
ReadData = aCommand.ExecuteReader(CommandBehavior.CloseConnection);
}
static List <etf_epf_record> GetListETF(string filter = "")
{
System.Data.Odbc.OdbcConnection l_objConnection = new System.Data.Odbc.OdbcConnection();
System.Data.Odbc.OdbcCommand l_objCmd = new System.Data.Odbc.OdbcCommand();
System.Data.Odbc.OdbcDataReader l_objRdr = null;
l_objConnection.ConnectionString = "DSN=PRODDSN_LIVE;PWD=INTERNET;UID=INTERNET";
l_objConnection.Open();
l_objCmd.Connection = l_objConnection;
l_objCmd.CommandType = CommandType.Text;
string sql = string.Empty;
if (string.IsNullOrEmpty(filter))
{
sql = "select etref,etreg,etamt,etpflg,etdate,ettime,etptyp,etfrpd,ettopd,etnomb,etbkcd,etbrcd,etacct,etdcd,etadat,etcopr,ettran from inetprddt1.etp1000 where etdate>='20170801' and etdate<='20170831' and etref like 'CBCETF%' order by etdate";
}
else
{
sql = "select etref,etreg,etamt,etpflg,etdate,ettime,etptyp,etfrpd,ettopd,etnomb,etbkcd,etbrcd,etacct,etdcd,etadat,etcopr,ettran from inetprddt1.etp1000 where etdate>='20170801' and etdate<='20170831' and etref like 'CBCETF%' and etref in " + filter + " order by etdate";
}
l_objCmd.CommandText = sql;
if (l_objRdr != null)
{
l_objRdr.Close();
}
l_objRdr = l_objCmd.ExecuteReader();
List <etf_epf_record> list = new List <etf_epf_record>();
if (l_objRdr.HasRows)
{
while (l_objRdr.Read())
{
etf_epf_record file = new etf_epf_record();
file.etref = l_objRdr["etref"].ToString().Trim();
file.etreg = l_objRdr["etreg"].ToString().Trim();
file.etamt = l_objRdr["etamt"].ToString().Trim();
file.etpflg = l_objRdr["etpflg"].ToString().Trim();
file.etdate = l_objRdr["etdate"].ToString().Trim();
file.ettime = l_objRdr["ettime"].ToString().Trim();
file.etptyp = l_objRdr["etptyp"].ToString().Trim();
file.etfrpd = l_objRdr["etfrpd"].ToString().Trim(); //From Period
file.ettopd = l_objRdr["ettopd"].ToString().Trim(); //To Period
file.etnomb = l_objRdr["etnomb"].ToString().Trim(); //EMployeed
file.etadat = l_objRdr["etadat"].ToString().Trim();
file.etcopr = l_objRdr["etcopr"].ToString().Trim();
file.ettran = l_objRdr["ettran"].ToString().Trim();
list.Add(file);
}
}
return(list);
}
/// <summary>
/// 返回一个DataReader
/// </summary>
/// <param name="cmd">IDbCommand对象</param>
/// <returns></returns>
public override IDataReader GetDataReader(IDbCommand cmd)
{
cmd.Connection = this.connection;
if (isInTransaction)
{
cmd.Transaction = (OdbcTransaction)transaction;
}
System.Data.Odbc.OdbcDataReader reader = (OdbcDataReader)cmd.ExecuteReader();
return(reader);
}
public OdbcCommand ()
{
this.CommandText = String.Empty;
this.CommandTimeout = 30; // default timeout
this.CommandType = CommandType.Text;
Connection = null;
_parameters = new OdbcParameterCollection ();
Transaction = null;
designTimeVisible = false;
dataReader = null;
}
public static void InsertData(OdbcDataReader read)
{
string table = @"d:\documents and settings\axkhan2\desktop\437proj\mytariff.dbf";
string query = "insert into " + table + "values (@ln, @orgcity, @destcity, @orgzone, @destzone, @ocountry, @dcountry, @orgcountry, @destcountry)"; //, @origin, @dest, @min, @rate, @rate, @basert, @frmwt, @towt, @cur, @validfrm, @validtill, @filename
OleDbConnection con = new OleDbConnection(@"Provider=VFPOLEDB.1;Data Source=d:\documents and settings\axkhan2\desktop\437proj\");
try
{
OleDbCommand cmd = new OleDbCommand(query, con);
con.Open();
while(read.Read())
{
cmd.Parameters.Add(new OleDbParameter("@ln", Convert.ToInt32(read[0].ToString())));
cmd.Parameters.Add(new OleDbParameter("@orgcity", read[2].ToString()));
cmd.Parameters.Add(new OleDbParameter("@destcity", read[5].ToString()));
cmd.Parameters.Add(new OleDbParameter("@orgzone", read[4].ToString()));
cmd.Parameters.Add(new OleDbParameter("@destzone", read[7].ToString()));
cmd.Parameters.Add(new OleDbParameter("@ocountry", read[2].ToString()));
cmd.Parameters.Add(new OleDbParameter("@dcountry", read[6].ToString()));
cmd.Parameters.Add(new OleDbParameter("@orgcountry", "NL"));
cmd.Parameters.Add(new OleDbParameter("@destcountry", "FI"));
/*cmd.Parameters.Add(new OleDbParameter("origin", String.Empty));
cmd.Parameters.Add(new OleDbParameter("dest", String.Empty));
cmd.Parameters.Add(new OleDbParameter("min", double.Parse(read[10].ToString())));
cmd.Parameters.Add(new OleDbParameter("basert", null));
cmd.Parameters.Add(new OleDbParameter("rate", null));
cmd.Parameters.Add(new OleDbParameter("frmwt", null));
cmd.Parameters.Add(new OleDbParameter("towt", null));
cmd.Parameters.Add(new OleDbParameter("cur", null));
cmd.Parameters.Add(new OleDbParameter("validfrm", null));
cmd.Parameters.Add(new OleDbParameter("validtill", null));
*/
/*cmd.Parameters.Add(new OleDbParameter("rate", double.Parse(read["rate"].ToString())));
cmd.Parameters.Add(new OleDbParameter("frmwt", double.Parse(read["from_wt"].ToString())));
cmd.Parameters.Add(new OleDbParameter("towt", double.Parse(read["to_wt"].ToString())));
cmd.Parameters.Add(new OleDbParameter("cur", read["currency"].ToString()));
cmd.Parameters.Add(new OleDbParameter("validfrm", DateTime.Parse(read["valid_from"].ToString())));
cmd.Parameters.Add(new OleDbParameter("validtill", DateTime.Parse(read["valid_till"].ToString())));
*/
cmd.Parameters.Add(new OleDbParameter("validtill", "mytariff.xls"));
cmd.ExecuteNonQuery();
}
}
catch(OleDbException ex)
{
Console.WriteLine(ex.Message);
}
finally
{
con.Close();
}
}
public Hashtable Read_Values(string[] Tag_Name, DateTime Time_Stamp)
{
Hashtable Result = new Hashtable();
string Tag_cond = "(FALSE"; // Makes it easier to add OR conditions.
foreach (string Tag in Tag_Name)
{
if (Sanitize(Tag))
{
Tag_cond += "\n OR NAME = '" + Tag + "'";
}
}
Tag_cond += ")";
Cmdr.CommandText =
@"SELECT
NAME, VALUE, STATUS
FROM
History
WHERE
" + Tag_cond + @"
AND TS > CAST('" + Time_Stamp.AddSeconds(-1).ToString("yyyy-MM-dd HH:mm:ss") + @"' AS TIMESTAMP FORMAT 'YYYY-MM-DD HH:MI:SS')
AND TS < CAST('" + Time_Stamp.AddSeconds(1).ToString("yyyy-MM-dd HH:mm:ss") + @"' AS TIMESTAMP FORMAT 'YYYY-MM-DD HH:MI:SS')
AND PERIOD = 000:0:01.0;
";
#if DEBUG
DateTime Start_Time = DateTime.Now;
#endif
System.Data.Odbc.OdbcDataReader DR = Cmdr.ExecuteReader(System.Data.CommandBehavior.SingleResult);
while (DR.Read())
{
if (DR.GetValue(2).ToString() == "0") // if status is good
{
Result.Add(DR.GetValue(0).ToString(), DR.GetValue(1));
}
}
DR.Close();
#if DEBUG
double Run_Time = (DateTime.Now - Start_Time).TotalMilliseconds;
Console.WriteLine("Read {0} tags from IP21 in {1} ms", Tag_Name.Length, Run_Time);
foreach (DictionaryEntry p in Result)
{
Console.WriteLine("{0}: {1}", p.Key, p.Value);
}
#endif
return(Result);
}
private void ListTables(string Database)
{
if (OdbcCon.State == ConnectionState.Open)
{
OdbcCom = new System.Data.Odbc.OdbcCommand("SELECT * FROM [mydb].[dbo].[user]", OdbcCon);
OdbcDR = OdbcCom.ExecuteReader();
Console.WriteLine("Content in Table [" + Database + "].[dbo].[user] :\r\n");
while (OdbcDR.Read())
{
Console.WriteLine("Values >> " + OdbcDR[0] + " , " + OdbcDR[1] + " , " + OdbcDR[2] + " , " + OdbcDR[3] + " , " + OdbcDR[4] + "\r\n");
}
}
}
private static void PrintResults(OdbcDataReader reader) {
for (int ii = 0; ii < reader.FieldCount; ii += 1) {
System.Console.Write("{0}{1}",
reader.GetName(ii),
ii + 1 < reader.FieldCount ? "\t" : "\n");
}
while (reader.Read()) {
for (int ii = 0; ii < reader.FieldCount; ii += 1) {
System.Console.Write("{0}{1}",
reader.GetValue(ii),
ii + 1 < reader.FieldCount ? "\t" : "\n");
}
}
}
public static List<List<string>> convertOdbcDataToList(OdbcDataReader reader)
{
List<List<string>> lr = new List<List<string>>();
while(reader.Read())
{
List<string> lsItem = new List<string>();
for (int i = 0; i < reader.FieldCount; i++)
{
lsItem.Add(reader[i].ToString());
}
lr.Add(lsItem);
}
return lr;
}
public static bool CreateForm(OdbcDataReader reader, Role role)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "name": role._name = reader.GetString(i);
break;
case "role_id": role._roleId = reader.GetInt32(i);
break;
}
}
return reader.HasRows;
}
//---------------------------------------------------//
public clDB(String connectionString, ENUM_DB_TYPE DBType)
{
m_con = null;
m_rec = null;
eof = true;
m_db_type = DBType;
try
{
m_con = new OdbcConnection(connectionString);
m_con.Open();
}
catch(Exception e)
{
m_con = null;
Form1.addError(e.Message);
}
}
public QuestionEntity read(OdbcDataReader reader)
{
var res = new QuestionEntity();
res.id = reader.GetInt32(0);
res.ans = reader.GetString(2);
var choicejson = reader.GetString(3);
var decoder = new JavaScriptSerializer();
res.choices = decoder.Deserialize< ArrayList >(choicejson);
res.imageURL = reader.GetString(4);
res.statement = reader.GetString(5);
res.type = getTypeString( reader.GetInt32(1) );
return res;
}
public static void LVLoad(System.Windows.Forms.ListView LV,
System.Data.Odbc.OdbcDataReader reader,
bool bUpdateHeaders)
{
int i = 0, nFields = 0, nRows = 0;
string s;
try
{
LV.BeginUpdate();
LV.Sorting = SortOrder.None;
LV.Items.Clear();
if (bUpdateHeaders == true)
{
LV.Columns.Clear();
nFields = reader.FieldCount;
for (i = 0; i < nFields; i++)
{
LV.Columns.Add(reader.GetName(i));
}
}
nRows = 0;
while (reader.Read())
{
s = reader.GetValue(0).ToString();
LV.Items.Add(s);
for (i = 1; i < nFields; i++)
{
s = reader.GetValue(i).ToString();
LV.Items[nRows].SubItems.Add(s);
}
nRows += 1;
}
LV.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
LV.EndUpdate();
}catch (Exception ex) { MessageBox.Show(ex.Message); }
finally
{
}
}
internal DataTable TraerDataTable(string odbc, IDbConnection con)
{
string TipoBase = archivos.nombremotorbase();
if (TipoBase == "Mysql")
{
MySqlCommand comando = new MySqlCommand();
comando.CommandType = CommandType.Text;
comando.CommandText = odbc;
comando.Connection = con as MySqlConnection;
MySqlDataReader reader = comando.ExecuteReader();
DataTable Tabla = new DataTable();
Tabla.Load(reader);
return(Tabla);
}
else
{
if (TipoBase == "sql")
{
SqlCommand comando = new SqlCommand();
comando.CommandType = CommandType.Text;
comando.CommandText = odbc;
comando.Connection = con as SqlConnection;
SqlDataReader reader = comando.ExecuteReader();
DataTable Tabla = new DataTable();
Tabla.Load(reader);
return(Tabla);
}
else
{
System.Data.Odbc.OdbcCommand comando = new System.Data.Odbc.OdbcCommand();
comando.CommandType = CommandType.Text;
comando.CommandText = odbc;
comando.Connection = con as System.Data.Odbc.OdbcConnection;
System.Data.Odbc.OdbcDataReader reader = comando.ExecuteReader();
DataTable Tabla = new DataTable();
Tabla.Load(reader);
return(Tabla);
}
}
}
public bool IsExists(string sQuery)
{
m_dataReader = null;
m_odbcCommand.CommandText = sQuery;
try
{
OpenDB();
m_dataReader = m_odbcCommand.ExecuteReader(CommandBehavior.CloseConnection);
if (m_dataReader.Read())
return true;
}
catch
{
;
}
finally
{
CloseDB(1);
}
return false;
}
// SQLGetRows
public List <string[]> SQLGetRows(string command)
{
List <string[]> rows = new List <string[]>();
sqlCommand.Connection = sqlConnection;
sqlCommand.CommandText = command;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
string[] row = new string[sqlDataReader.FieldCount];
for (int i = 0; i < row.Length; i++)
{
row[i] = sqlDataReader[i].ToString();
}
rows.Add(row);
}
sqlDataReader.Close();
sqlDataReader = null;
return(rows);
}
public bool Bind(QueryBuilder qbl)
{
this._queryObject = qbl;
this._dataReader = qbl.getDatabaseObject().getResult(this._queryObject);
ATable srcTable = qbl.getDatabaseObject().GetTableCache().getCachedTable(((ATable)((QueryBuilder.SOURCEBINDING)qbl.getSourceList()[0]).sourceObject).name);
/*
// remove redundant fields from the field list.
if (srcTable.getFieldList().Count != this._queryObject.getFieldList().Count)
{
object[] test = utils.arrayIntersect(this._queryObject.getFieldList().ToArray(), srcTable.getFieldList().ToArray());
this.setFieldList(new System.Collections.ArrayList(test));
}
else
this.setFieldList(srcTable.getFieldList());
* */
this.setFieldList(this._queryObject.getFieldList());
this.name = srcTable.name;
this.BindData(qbl.getFieldList());
return false;
}
public static bool CreateForm(OdbcDataReader reader, Payment payment)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "course_id": payment._courseID = reader.GetInt32(i);
break;
case "sum_all_cost": payment._sumAllCost = reader.GetInt32(i);
break;
case "sum_max_payable": payment._sumMaxPayable = reader.GetInt32(i);
break;
case "sum_paid_cost": payment._sumPaidCost = reader.GetInt32(i);
break;
case "last_paid_date": payment._lastPaidDate = new DateTime(reader.GetDate(i).Ticks);
break;
case "paid_round": payment._paidRound = reader.GetInt32(i);
break;
case "status": payment._status = reader.GetInt32(i);
break;
// helper info
case "bts_course_id": payment._btsCourseID = reader.GetString(i);
break;
case "course_name": payment._courseName = reader.GetString(i);
break;
case "course_start_date": payment._courseStartDate = new DateTime(reader.GetDate(i).Ticks);
break;
case "course_end_date": payment._courseEndDate = new DateTime(reader.GetDate(i).Ticks);
break;
case "paid_group_id": payment._paidGroupID = reader.GetInt32(i);
break;
}
}
return reader.HasRows;
}
public static bool CreateForm(OdbcDataReader reader, Teacher teacher)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "teacher_id": teacher._teacherID = reader.GetInt32(i);
break;
case "sex": teacher._sex = reader.GetString(i);
break;
case "addr": teacher._addr = reader.GetString(i);
break;
case "tel": teacher._tel = reader.GetString(i);
break;
case "email": teacher._email = reader.GetString(i);
break;
case "birthday":
teacher._birthday = new DateTime(reader.GetDate(i).Ticks);
break;
case "firstname": teacher._firstname = reader.GetString(i);
break;
case "surname": teacher._surname = reader.GetString(i);
break;
case "citizen_id": teacher._citizenID = reader.GetString(i);
break;
case "image": teacher._img = reader.GetString(i);
break;
case "subject": teacher._subject = reader.GetString(i);
break;
case "is_active": teacher._isActive = reader.GetInt32(i) > 0 ? true : false;
break;
}
}
return reader.HasRows;
}
public OdbcDataReader executeQuery(string query, bool altering)
{
reader = null;
rowsNo = 0;
lock(conn)
{
command = conn.CreateCommand();
if (altering)
{
command.CommandText = "START TRANSACTION";
command.ExecuteNonQuery();
}
command.CommandText = query;
rowsNo = command.ExecuteNonQuery();
if (altering)
{
command.CommandText = "COMMIT";
command.ExecuteNonQuery();
}
reader = command.ExecuteReader();
}
return reader;
}
public static bool CreateForm(OdbcDataReader reader, PaidGroup paidGroup)
{
int fCount = reader.FieldCount;
for (int i = 0; i < fCount; i++)
{
string name = reader.GetName(i);
// Map to DB field. Need to change if db changed
switch (name) {
case "paid_group_id": paidGroup._paidGroupID = reader.GetInt32(i);
break;
case "name": paidGroup._name = reader.GetString(i);
break;
case "current_round": paidGroup._currentRound = reader.GetInt32(i);
break;
case "rate_info": paidGroup._rawRateInfo = reader.GetString(i);
paidGroup._rateInfo = PaidRateInfo.Parse(paidGroup._rawRateInfo);
break;
// helper info
}
}
return reader.HasRows;
}
/// <summary>
/// Constructs a reward from the output of a datareader. Assumes that there
/// is data ready to be read from the current record 15/12/15
/// </summary>
private static Reward readReward(OdbcDataReader dataReader)
{
return new Reward(dataReader.GetInt16(0), dataReader.GetString(1),
dataReader.GetString(2), dataReader.GetString(3), dataReader.GetInt16(4));
}
/// <summary>
/// Constructs an achievement from the output of a datareader. Assumes that there
/// is data ready to be read from the current record 14/12/15
/// </summary>
private static Achievement readAchievement(OdbcDataReader dataReader)
{
return new Achievement(dataReader.GetInt16(0), dataReader.GetString(1),
dataReader.GetString(2), dataReader.GetString(3), dataReader.GetString(4),
dataReader.GetInt16(5), dataReader.GetDateTime(6), dataReader.GetBoolean(7));
}
/// <summary>
/// Constructs a rank from the output of a datareader. Assumes that there
/// is data ready to be read from the current record 15/12/15
/// </summary>
private static Rank readRank(OdbcDataReader dataReader)
{
return new Rank(dataReader.GetInt16(0), dataReader.GetString(1),
dataReader.GetInt16(2), dataReader.GetString(3));
}
private OpenIdMembershipUser GetUserFromReader(OdbcDataReader reader)
{
string username = reader.GetString(0);
string openId = reader.IsDBNull(1) ? string.Empty : reader.GetString(1);
string email = reader.IsDBNull(2) ? string.Empty : reader.GetString(2);
string passwordQuestion = "";
if (reader.GetValue(3) != DBNull.Value)
passwordQuestion = reader.GetString(3);
string comment = "";
if (reader.GetValue(4) != DBNull.Value)
comment = reader.GetString(4);
bool isApproved = reader.GetBoolean(5);
DateTime creationDate = reader.GetDateTime(6);
DateTime lastLoginDate = new DateTime();
if (reader.GetValue(7) != DBNull.Value)
lastLoginDate = reader.GetDateTime(7);
DateTime lastActivityDate = reader.GetDateTime(8);
DateTime lastPasswordChangedDate = reader.GetDateTime(9);
object providerUserKey = reader.GetValue(10);
bool isLockedOut = reader.GetBoolean(11);
DateTime lastLockedOutDate = new DateTime();
if (reader.GetValue(12) != DBNull.Value)
lastLockedOutDate = reader.GetDateTime(12);
OpenIdMembershipUser u = new OpenIdMembershipUser(
this.Name,
openId,
username,
providerUserKey,
email,
passwordQuestion,
comment,
isApproved,
isLockedOut,
creationDate,
lastLoginDate,
lastActivityDate,
lastPasswordChangedDate,
lastLockedOutDate);
return u;
}
/// <summary>
/// Constructs a user from the output of a datareader. Assumes that there is data
/// ready to be read from the current record 14/12/15
/// </summary>
private static User readUser(OdbcDataReader dataReader)
{
return new User(dataReader.GetInt16(0), dataReader.GetString(1),
dataReader.GetString(3), dataReader.GetString(4), dataReader.GetString(5),
dataReader.GetBoolean(6), dataReader.GetDateTime(7), dataReader.GetInt16(8),
dataReader.GetInt16(9), dataReader.GetBoolean(10), dataReader.GetBoolean(11),
dataReader.GetInt16(13));
}
public void executeReader(string q)
{
dbCommand.CommandText = q;
reader = dbCommand.ExecuteReader();
}
private void DataTableFromDataReaderDataTypes(DataTable dataTypesTable, OdbcDataReader dataReader, OdbcConnection connection)
{
DataTable schemaTable = null;
schemaTable = dataReader.GetSchemaTable();
if (schemaTable == null)
{
throw ADP.OdbcNoTypesFromProvider();
}
object[] values = new object[schemaTable.Rows.Count];
DataColumn column19 = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName];
DataColumn column18 = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType];
DataColumn column17 = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize];
DataColumn column16 = dataTypesTable.Columns[DbMetaDataColumnNames.CreateParameters];
DataColumn column15 = dataTypesTable.Columns[DbMetaDataColumnNames.DataType];
DataColumn column6 = dataTypesTable.Columns[DbMetaDataColumnNames.IsAutoIncrementable];
DataColumn column14 = dataTypesTable.Columns[DbMetaDataColumnNames.IsCaseSensitive];
DataColumn column5 = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedLength];
DataColumn column13 = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedPrecisionScale];
DataColumn column4 = dataTypesTable.Columns[DbMetaDataColumnNames.IsLong];
DataColumn column3 = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable];
DataColumn column2 = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable];
DataColumn column = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchableWithLike];
DataColumn column12 = dataTypesTable.Columns[DbMetaDataColumnNames.IsUnsigned];
DataColumn column11 = dataTypesTable.Columns[DbMetaDataColumnNames.MaximumScale];
DataColumn column10 = dataTypesTable.Columns[DbMetaDataColumnNames.MinimumScale];
DataColumn column9 = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralPrefix];
DataColumn column8 = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralSuffix];
DataColumn column7 = dataTypesTable.Columns[OdbcMetaDataColumnNames.SQLType];
while (dataReader.Read())
{
TypeMap map;
dataReader.GetValues(values);
DataRow row = dataTypesTable.NewRow();
row[column19] = values[0];
row[column7] = values[1];
ODBC32.SQL_TYPE sqltype = (ODBC32.SQL_TYPE)((short)((int)Convert.ChangeType(values[1], typeof(int), null)));
if (!connection.IsV3Driver)
{
if (sqltype == ~ODBC32.SQL_TYPE.WLONGVARCHAR)
{
sqltype = ODBC32.SQL_TYPE.TYPE_DATE;
}
else if (sqltype == ~ODBC32.SQL_TYPE.GUID)
{
sqltype = ODBC32.SQL_TYPE.TYPE_TIME;
}
}
try
{
map = TypeMap.FromSqlType(sqltype);
}
catch (ArgumentException)
{
map = null;
}
if (map != null)
{
row[column18] = map._odbcType;
row[column15] = map._type.FullName;
switch (sqltype)
{
case ODBC32.SQL_TYPE.SS_TIME_EX:
case ODBC32.SQL_TYPE.SS_UTCDATETIME:
case ODBC32.SQL_TYPE.SS_VARIANT:
case ODBC32.SQL_TYPE.GUID:
case ODBC32.SQL_TYPE.WCHAR:
case ODBC32.SQL_TYPE.BIT:
case ODBC32.SQL_TYPE.TINYINT:
case ODBC32.SQL_TYPE.BIGINT:
case ODBC32.SQL_TYPE.BINARY:
case ODBC32.SQL_TYPE.CHAR:
case ODBC32.SQL_TYPE.NUMERIC:
case ODBC32.SQL_TYPE.DECIMAL:
case ODBC32.SQL_TYPE.INTEGER:
case ODBC32.SQL_TYPE.SMALLINT:
case ODBC32.SQL_TYPE.FLOAT:
case ODBC32.SQL_TYPE.REAL:
case ODBC32.SQL_TYPE.DOUBLE:
case ODBC32.SQL_TYPE.TIMESTAMP:
case ODBC32.SQL_TYPE.TYPE_DATE:
case ODBC32.SQL_TYPE.TYPE_TIME:
case ODBC32.SQL_TYPE.TYPE_TIMESTAMP:
goto Label_02F8;
case ODBC32.SQL_TYPE.SS_XML:
case ODBC32.SQL_TYPE.WLONGVARCHAR:
case ODBC32.SQL_TYPE.LONGVARBINARY:
case ODBC32.SQL_TYPE.LONGVARCHAR:
goto Label_02BC;
case ODBC32.SQL_TYPE.WVARCHAR:
case ODBC32.SQL_TYPE.VARBINARY:
case ODBC32.SQL_TYPE.VARCHAR:
goto Label_02DA;
}
}
goto Label_0314;
Label_02BC:
row[column4] = true;
row[column5] = false;
goto Label_0314;
Label_02DA:
row[column4] = false;
row[column5] = false;
goto Label_0314;
Label_02F8:
row[column4] = false;
row[column5] = true;
Label_0314:
row[column17] = values[2];
row[column16] = values[5];
if ((values[11] == DBNull.Value) || (Convert.ToInt16(values[11], null) == 0))
{
row[column6] = false;
}
else
{
row[column6] = true;
}
row[column14] = this.BooleanFromODBC(values[7]);
row[column13] = this.BooleanFromODBC(values[10]);
if (values[6] != DBNull.Value)
{
switch (((ODBC32.SQL_NULLABILITY)((ushort)Convert.ToInt16(values[6], null))))
{
case ODBC32.SQL_NULLABILITY.NO_NULLS:
row[column3] = false;
break;
case ODBC32.SQL_NULLABILITY.NULLABLE:
row[column3] = true;
break;
case ODBC32.SQL_NULLABILITY.UNKNOWN:
row[column3] = DBNull.Value;
break;
}
}
if (DBNull.Value != values[8])
{
switch (Convert.ToInt16(values[8], null))
{
case 0:
row[column2] = false;
row[column] = false;
break;
case 1:
row[column2] = false;
row[column] = true;
break;
case 2:
row[column2] = true;
row[column] = false;
break;
case 3:
row[column2] = true;
row[column] = true;
break;
}
}
row[column12] = this.BooleanFromODBC(values[9]);
if (values[14] != DBNull.Value)
{
row[column11] = values[14];
}
if (values[13] != DBNull.Value)
{
row[column10] = values[13];
}
if (values[3] != DBNull.Value)
{
row[column9] = values[3];
}
if (values[4] != DBNull.Value)
{
row[column8] = values[4];
}
dataTypesTable.Rows.Add(row);
}
}
// DeriveParametersFromStoredProcedure (
// OdbcConnection connection,
// OdbcCommand command);
//
// Uses SQLProcedureColumns to create an array of OdbcParameters
//
private static OdbcParameter[] DeriveParametersFromStoredProcedure(OdbcConnection connection, OdbcCommand command)
{
List <OdbcParameter> rParams = new List <OdbcParameter>();
// following call ensures that the command has a statement handle allocated
CMDWrapper cmdWrapper = command.GetStatementHandle();
OdbcStatementHandle hstmt = cmdWrapper.StatementHandle;
int cColsAffected;
// maps an enforced 4-part qualified string as follows
// parts[0] = null - ignored but removal would be a run-time breaking change from V1.0
// parts[1] = CatalogName (optional, may be null)
// parts[2] = SchemaName (optional, may be null)
// parts[3] = ProcedureName
//
string quote = connection.QuoteChar(ADP.DeriveParameters);
string[] parts = MultipartIdentifier.ParseMultipartIdentifier(command.CommandText, quote, quote, '.', 4, true, SR.ODBC_ODBCCommandText, false);
if (null == parts[3])
{ // match Everett behavior, if the commandtext is nothing but whitespace set the command text to the whitespace
parts[3] = command.CommandText;
}
// note: native odbc appears to ignore all but the procedure name
ODBC32.RetCode retcode = hstmt.ProcedureColumns(parts[1], parts[2], parts[3], null);
// Note: the driver does not return an error if the given stored procedure does not exist
// therefore we cannot handle that case and just return not parameters.
if (ODBC32.RetCode.SUCCESS != retcode)
{
connection.HandleError(hstmt, retcode);
}
using (OdbcDataReader reader = new OdbcDataReader(command, cmdWrapper, CommandBehavior.Default))
{
reader.FirstResult();
cColsAffected = reader.FieldCount;
// go through the returned rows and filter out relevant parameter data
//
while (reader.Read())
{
// devnote: column types are specified in the ODBC Programmer's Reference
// COLUMN_TYPE Smallint 16bit
// COLUMN_SIZE Integer 32bit
// DECIMAL_DIGITS Smallint 16bit
// NUM_PREC_RADIX Smallint 16bit
OdbcParameter parameter = new OdbcParameter();
parameter.ParameterName = reader.GetString(ODBC32.COLUMN_NAME - 1);
switch ((ODBC32.SQL_PARAM)reader.GetInt16(ODBC32.COLUMN_TYPE - 1))
{
case ODBC32.SQL_PARAM.INPUT:
parameter.Direction = ParameterDirection.Input;
break;
case ODBC32.SQL_PARAM.OUTPUT:
parameter.Direction = ParameterDirection.Output;
break;
case ODBC32.SQL_PARAM.INPUT_OUTPUT:
parameter.Direction = ParameterDirection.InputOutput;
break;
case ODBC32.SQL_PARAM.RETURN_VALUE:
parameter.Direction = ParameterDirection.ReturnValue;
break;
default:
Debug.Assert(false, "Unexpected Parametertype while DeriveParamters");
break;
}
parameter.OdbcType = TypeMap.FromSqlType((ODBC32.SQL_TYPE)reader.GetInt16(ODBC32.DATA_TYPE - 1))._odbcType;
parameter.Size = (int)reader.GetInt32(ODBC32.COLUMN_SIZE - 1);
switch (parameter.OdbcType)
{
case OdbcType.Decimal:
case OdbcType.Numeric:
parameter.ScaleInternal = (Byte)reader.GetInt16(ODBC32.DECIMAL_DIGITS - 1);
parameter.PrecisionInternal = (Byte)reader.GetInt16(ODBC32.NUM_PREC_RADIX - 1);
break;
}
rParams.Add(parameter);
}
}
retcode = hstmt.CloseCursor();
return(rParams.ToArray());
}
// DeriveParametersFromStoredProcedure (
// OdbcConnection connection,
// OdbcCommand command);
//
// Uses SQLProcedureColumns to create an array of OdbcParameters
//
static private OdbcParameter[] DeriveParametersFromStoredProcedure(OdbcConnection connection, OdbcCommand command) {
List<OdbcParameter> rParams = new List<OdbcParameter>();
// following call ensures that the command has a statement handle allocated
CMDWrapper cmdWrapper = command.GetStatementHandle();
OdbcStatementHandle hstmt = cmdWrapper.StatementHandle;
int cColsAffected;
// maps an enforced 4-part qualified string as follows
// parts[0] = null - ignored but removal would be a run-time breaking change from V1.0
// parts[1] = CatalogName (optional, may be null)
// parts[2] = SchemaName (optional, may be null)
// parts[3] = ProcedureName
//
string quote = connection.QuoteChar(ADP.DeriveParameters);
string[] parts = MultipartIdentifier.ParseMultipartIdentifier(command.CommandText, quote, quote, '.', 4, true, Res.ODBC_ODBCCommandText, false);
if (null == parts[3]) { // match everett behavior, if the commandtext is nothing but whitespace set the command text to the whitespace
parts[3] = command.CommandText;
}
// note: native odbc appears to ignore all but the procedure name
ODBC32.RetCode retcode = hstmt.ProcedureColumns(parts[1], parts[2], parts[3], null);
// Note: the driver does not return an error if the given stored procedure does not exist
// therefore we cannot handle that case and just return not parameters.
if (ODBC32.RetCode.SUCCESS != retcode) {
connection.HandleError(hstmt, retcode);
}
using (OdbcDataReader reader = new OdbcDataReader(command, cmdWrapper, CommandBehavior.Default)) {
reader.FirstResult();
cColsAffected = reader.FieldCount;
// go through the returned rows and filter out relevant parameter data
//
while (reader.Read()) {
// devnote: column types are specified in the ODBC Programmer's Reference
// COLUMN_TYPE Smallint 16bit
// COLUMN_SIZE Integer 32bit
// DECIMAL_DIGITS Smallint 16bit
// NUM_PREC_RADIX Smallint 16bit
OdbcParameter parameter = new OdbcParameter();
parameter.ParameterName = reader.GetString(ODBC32.COLUMN_NAME-1);
switch ((ODBC32.SQL_PARAM)reader.GetInt16(ODBC32.COLUMN_TYPE-1)){
case ODBC32.SQL_PARAM.INPUT:
parameter.Direction = ParameterDirection.Input;
break;
case ODBC32.SQL_PARAM.OUTPUT:
parameter.Direction = ParameterDirection.Output;
break;
case ODBC32.SQL_PARAM.INPUT_OUTPUT:
parameter.Direction = ParameterDirection.InputOutput;
break;
case ODBC32.SQL_PARAM.RETURN_VALUE:
parameter.Direction = ParameterDirection.ReturnValue;
break;
default:
Debug.Assert(false, "Unexpected Parametertype while DeriveParamters");
break;
}
parameter.OdbcType = TypeMap.FromSqlType((ODBC32.SQL_TYPE)reader.GetInt16(ODBC32.DATA_TYPE-1))._odbcType;
parameter.Size = (int)reader.GetInt32(ODBC32.COLUMN_SIZE-1);
switch(parameter.OdbcType){
case OdbcType.Decimal:
case OdbcType.Numeric:
parameter.ScaleInternal = (Byte)reader.GetInt16(ODBC32.DECIMAL_DIGITS-1);
parameter.PrecisionInternal = (Byte)reader.GetInt16(ODBC32.NUM_PREC_RADIX-1);
break;
}
rParams.Add (parameter);
}
}
retcode = hstmt.CloseCursor();
return rParams.ToArray();;
}
private OdbcDataReader ExecuteReaderObject(CommandBehavior behavior, string method, bool needReader, object[] methodArguments, ODBC32.SQL_API odbcApiMethod)
{
OdbcDataReader target = null;
try
{
ODBC32.RetCode typeInfo;
this.DisposeDeadDataReader();
this.ValidateConnectionAndTransaction(method);
if ((CommandBehavior.SingleRow & behavior) != CommandBehavior.Default)
{
behavior |= CommandBehavior.SingleResult;
}
OdbcStatementHandle statementHandle = this.GetStatementHandle().StatementHandle;
this._cmdWrapper.Canceling = false;
if ((this.weakDataReaderReference != null) && this.weakDataReaderReference.IsAlive)
{
object obj2 = this.weakDataReaderReference.Target;
if (((obj2 != null) && this.weakDataReaderReference.IsAlive) && !((OdbcDataReader)obj2).IsClosed)
{
throw ADP.OpenReaderExists();
}
}
target = new OdbcDataReader(this, this._cmdWrapper, behavior);
if (!this.Connection.ProviderInfo.NoQueryTimeout)
{
this.TrySetStatementAttribute(statementHandle, ODBC32.SQL_ATTR.QUERY_TIMEOUT, (IntPtr)this.CommandTimeout);
}
if ((needReader && this.Connection.IsV3Driver) && (!this.Connection.ProviderInfo.NoSqlSoptSSNoBrowseTable && !this.Connection.ProviderInfo.NoSqlSoptSSHiddenColumns))
{
if (target.IsBehavior(CommandBehavior.KeyInfo))
{
if (!this._cmdWrapper._ssKeyInfoModeOn)
{
this.TrySetStatementAttribute(statementHandle, (ODBC32.SQL_ATTR) 0x4cc, (IntPtr)1L);
this.TrySetStatementAttribute(statementHandle, ODBC32.SQL_ATTR.SQL_COPT_SS_TXN_ISOLATION, (IntPtr)1L);
this._cmdWrapper._ssKeyInfoModeOff = false;
this._cmdWrapper._ssKeyInfoModeOn = true;
}
}
else if (!this._cmdWrapper._ssKeyInfoModeOff)
{
this.TrySetStatementAttribute(statementHandle, (ODBC32.SQL_ATTR) 0x4cc, (IntPtr)0L);
this.TrySetStatementAttribute(statementHandle, ODBC32.SQL_ATTR.SQL_COPT_SS_TXN_ISOLATION, (IntPtr)0L);
this._cmdWrapper._ssKeyInfoModeOff = true;
this._cmdWrapper._ssKeyInfoModeOn = false;
}
}
if (target.IsBehavior(CommandBehavior.KeyInfo) || target.IsBehavior(CommandBehavior.SchemaOnly))
{
typeInfo = statementHandle.Prepare(this.CommandText);
if (typeInfo != ODBC32.RetCode.SUCCESS)
{
this._connection.HandleError(statementHandle, typeInfo);
}
}
bool success = false;
CNativeBuffer parameterBuffer = this._cmdWrapper._nativeParameterBuffer;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
if ((this._parameterCollection != null) && (0 < this._parameterCollection.Count))
{
int initialSize = this._parameterCollection.CalcParameterBufferSize(this);
if ((parameterBuffer == null) || (parameterBuffer.Length < initialSize))
{
if (parameterBuffer != null)
{
parameterBuffer.Dispose();
}
parameterBuffer = new CNativeBuffer(initialSize);
this._cmdWrapper._nativeParameterBuffer = parameterBuffer;
}
else
{
parameterBuffer.ZeroMemory();
}
parameterBuffer.DangerousAddRef(ref success);
this._parameterCollection.Bind(this, this._cmdWrapper, parameterBuffer);
}
if (target.IsBehavior(CommandBehavior.SchemaOnly))
{
goto Label_0443;
}
if ((target.IsBehavior(CommandBehavior.KeyInfo) || target.IsBehavior(CommandBehavior.SchemaOnly)) && (this.CommandType != System.Data.CommandType.StoredProcedure))
{
short num2;
typeInfo = statementHandle.NumberOfResultColumns(out num2);
switch (typeInfo)
{
case ODBC32.RetCode.SUCCESS:
case ODBC32.RetCode.SUCCESS_WITH_INFO:
if (num2 > 0)
{
target.GetSchemaTable();
}
goto Label_029A;
}
if (typeInfo != ODBC32.RetCode.NO_DATA)
{
this._connection.HandleError(statementHandle, typeInfo);
}
}
Label_029A:
switch (odbcApiMethod)
{
case ODBC32.SQL_API.SQLEXECDIRECT:
if (target.IsBehavior(CommandBehavior.KeyInfo) || this._isPrepared)
{
typeInfo = statementHandle.Execute();
}
else
{
typeInfo = statementHandle.ExecuteDirect(this.CommandText);
}
break;
case ODBC32.SQL_API.SQLCOLUMNS:
typeInfo = statementHandle.Columns((string)methodArguments[0], (string)methodArguments[1], (string)methodArguments[2], (string)methodArguments[3]);
break;
case ODBC32.SQL_API.SQLSTATISTICS:
typeInfo = statementHandle.Statistics((string)methodArguments[0], (string)methodArguments[1], (string)methodArguments[2], (short)methodArguments[3], (short)methodArguments[4]);
break;
case ODBC32.SQL_API.SQLTABLES:
typeInfo = statementHandle.Tables((string)methodArguments[0], (string)methodArguments[1], (string)methodArguments[2], (string)methodArguments[3]);
break;
case ODBC32.SQL_API.SQLGETTYPEINFO:
typeInfo = statementHandle.GetTypeInfo((short)methodArguments[0]);
break;
case ODBC32.SQL_API.SQLPROCEDURECOLUMNS:
typeInfo = statementHandle.ProcedureColumns((string)methodArguments[0], (string)methodArguments[1], (string)methodArguments[2], (string)methodArguments[3]);
break;
case ODBC32.SQL_API.SQLPROCEDURES:
typeInfo = statementHandle.Procedures((string)methodArguments[0], (string)methodArguments[1], (string)methodArguments[2]);
break;
default:
throw ADP.InvalidOperation(method.ToString());
}
if ((typeInfo != ODBC32.RetCode.SUCCESS) && (ODBC32.RetCode.NO_DATA != typeInfo))
{
this._connection.HandleError(statementHandle, typeInfo);
}
}
finally
{
if (success)
{
parameterBuffer.DangerousRelease();
}
}
Label_0443:
this.weakDataReaderReference = new WeakReference(target);
if (!target.IsBehavior(CommandBehavior.SchemaOnly))
{
target.FirstResult();
}
this.cmdState = ConnectionState.Fetching;
}
finally
{
if (ConnectionState.Fetching != this.cmdState)
{
if (target != null)
{
if (this._parameterCollection != null)
{
this._parameterCollection.ClearBindings();
}
target.Dispose();
}
if (this.cmdState != ConnectionState.Closed)
{
this.cmdState = ConnectionState.Closed;
}
}
}
return(target);
}
private OdbcDataReader ExecuteReaderObject(CommandBehavior behavior,
string method,
bool needReader,
object[] methodArguments,
ODBC32.SQL_API odbcApiMethod)
{ // MDAC 68324
OdbcDataReader localReader = null;
try
{
DisposeDeadDataReader(); // this is a no-op if cmdState is not Fetching
ValidateConnectionAndTransaction(method); // cmdState will change to Executing
if (0 != (CommandBehavior.SingleRow & behavior))
{
// CommandBehavior.SingleRow implies CommandBehavior.SingleResult
behavior |= CommandBehavior.SingleResult;
}
ODBC32.RetCode retcode;
OdbcStatementHandle stmt = GetStatementHandle().StatementHandle;
_cmdWrapper.Canceling = false;
if (null != _weakDataReaderReference)
{
if (_weakDataReaderReference.IsAlive)
{
object target = _weakDataReaderReference.Target;
if (null != target && _weakDataReaderReference.IsAlive)
{
if (!((OdbcDataReader)target).IsClosed)
{
throw ADP.OpenReaderExists(); // MDAC 66411
}
}
}
}
localReader = new OdbcDataReader(this, _cmdWrapper, behavior);
//Set command properties
//Not all drivers support timeout. So fail silently if error
if (!Connection.ProviderInfo.NoQueryTimeout)
{
TrySetStatementAttribute(stmt,
ODBC32.SQL_ATTR.QUERY_TIMEOUT,
(IntPtr)this.CommandTimeout);
}
// todo: If we remember the state we can omit a lot of SQLSetStmtAttrW calls ...
// if we do not create a reader we do not even need to do that
if (needReader)
{
if (Connection.IsV3Driver)
{
if (!Connection.ProviderInfo.NoSqlSoptSSNoBrowseTable && !Connection.ProviderInfo.NoSqlSoptSSHiddenColumns)
{
// Need to get the metadata information
//SQLServer actually requires browse info turned on ahead of time...
//Note: We ignore any failures, since this is SQLServer specific
//We won't specialcase for SQL Server but at least for non-V3 drivers
if (localReader.IsBehavior(CommandBehavior.KeyInfo))
{
if (!_cmdWrapper._ssKeyInfoModeOn)
{
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.NOBROWSETABLE, (IntPtr)ODBC32.SQL_NB.ON);
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.HIDDEN_COLUMNS, (IntPtr)ODBC32.SQL_HC.ON);
_cmdWrapper._ssKeyInfoModeOff = false;
_cmdWrapper._ssKeyInfoModeOn = true;
}
}
else
{
if (!_cmdWrapper._ssKeyInfoModeOff)
{
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.NOBROWSETABLE, (IntPtr)ODBC32.SQL_NB.OFF);
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.HIDDEN_COLUMNS, (IntPtr)ODBC32.SQL_HC.OFF);
_cmdWrapper._ssKeyInfoModeOff = true;
_cmdWrapper._ssKeyInfoModeOn = false;
}
}
}
}
}
if (localReader.IsBehavior(CommandBehavior.KeyInfo) ||
localReader.IsBehavior(CommandBehavior.SchemaOnly))
{
retcode = stmt.Prepare(CommandText);
if (ODBC32.RetCode.SUCCESS != retcode)
{
_connection.HandleError(stmt, retcode);
}
}
bool mustRelease = false;
CNativeBuffer parameterBuffer = _cmdWrapper._nativeParameterBuffer;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
//Handle Parameters
//Note: We use the internal variable as to not instante a new object collection,
//for the common case of using no parameters.
if ((null != _parameterCollection) && (0 < _parameterCollection.Count))
{
int parameterBufferSize = _parameterCollection.CalcParameterBufferSize(this);
if (null == parameterBuffer || parameterBuffer.Length < parameterBufferSize)
{
if (null != parameterBuffer)
{
parameterBuffer.Dispose();
}
parameterBuffer = new CNativeBuffer(parameterBufferSize);
_cmdWrapper._nativeParameterBuffer = parameterBuffer;
}
else
{
parameterBuffer.ZeroMemory();
}
parameterBuffer.DangerousAddRef(ref mustRelease);
_parameterCollection.Bind(this, _cmdWrapper, parameterBuffer);
}
if (!localReader.IsBehavior(CommandBehavior.SchemaOnly))
{
// Can't get the KeyInfo after command execution (SQL Server only since it does not support multiple
// results on the same connection). Stored procedures (SP) do not return metadata before actual execution
// Need to check the column count since the command type may not be set to SP for a SP.
if ((localReader.IsBehavior(CommandBehavior.KeyInfo) || localReader.IsBehavior(CommandBehavior.SchemaOnly)) &&
(CommandType != CommandType.StoredProcedure))
{
short cColsAffected;
retcode = stmt.NumberOfResultColumns(out cColsAffected);
if (retcode == ODBC32.RetCode.SUCCESS || retcode == ODBC32.RetCode.SUCCESS_WITH_INFO)
{
if (cColsAffected > 0)
{
localReader.GetSchemaTable();
}
}
else if (retcode == ODBC32.RetCode.NO_DATA)
{
// do nothing
}
else
{
// any other returncode indicates an error
_connection.HandleError(stmt, retcode);
}
}
switch (odbcApiMethod)
{
case ODBC32.SQL_API.SQLEXECDIRECT:
if (localReader.IsBehavior(CommandBehavior.KeyInfo) || _isPrepared)
{
//Already prepared, so use SQLExecute
retcode = stmt.Execute();
// Build metadata here
// localReader.GetSchemaTable();
}
else
{
#if DEBUG
//if (AdapterSwitches.OleDbTrace.TraceInfo) {
// ADP.DebugWriteLine("SQLExecDirectW: " + CommandText);
//}
#endif
//SQLExecDirect
retcode = stmt.ExecuteDirect(CommandText);
}
break;
case ODBC32.SQL_API.SQLTABLES:
retcode = stmt.Tables((string)methodArguments[0], //TableCatalog
(string)methodArguments[1], //TableSchema,
(string)methodArguments[2], //TableName
(string)methodArguments[3]); //TableType
break;
case ODBC32.SQL_API.SQLCOLUMNS:
retcode = stmt.Columns((string)methodArguments[0], //TableCatalog
(string)methodArguments[1], //TableSchema
(string)methodArguments[2], //TableName
(string)methodArguments[3]); //ColumnName
break;
case ODBC32.SQL_API.SQLPROCEDURES:
retcode = stmt.Procedures((string)methodArguments[0], //ProcedureCatalog
(string)methodArguments[1], //ProcedureSchema
(string)methodArguments[2]); //procedureName
break;
case ODBC32.SQL_API.SQLPROCEDURECOLUMNS:
retcode = stmt.ProcedureColumns((string)methodArguments[0], //ProcedureCatalog
(string)methodArguments[1], //ProcedureSchema
(string)methodArguments[2], //procedureName
(string)methodArguments[3]); //columnName
break;
case ODBC32.SQL_API.SQLSTATISTICS:
retcode = stmt.Statistics((string)methodArguments[0], //TableCatalog
(string)methodArguments[1], //TableSchema
(string)methodArguments[2], //TableName
(short)methodArguments[3], //IndexTrpe
(short)methodArguments[4]); //Accuracy
break;
case ODBC32.SQL_API.SQLGETTYPEINFO:
retcode = stmt.GetTypeInfo((short)methodArguments[0]); //SQL Type
break;
default:
// this should NEVER happen
Debug.Fail("ExecuteReaderObjectcalled with unsupported ODBC API method.");
throw ADP.InvalidOperation(method.ToString());
}
//Note: Execute will return NO_DATA for Update/Delete non-row returning queries
if ((ODBC32.RetCode.SUCCESS != retcode) && (ODBC32.RetCode.NO_DATA != retcode))
{
_connection.HandleError(stmt, retcode);
}
} // end SchemaOnly
}
finally
{
if (mustRelease)
{
parameterBuffer.DangerousRelease();
}
}
_weakDataReaderReference = new WeakReference(localReader);
// XXXCommand.Execute should position reader on first row returning result
// any exceptions in the initial non-row returning results should be thrown
// from ExecuteXXX not the DataReader
if (!localReader.IsBehavior(CommandBehavior.SchemaOnly))
{
localReader.FirstResult();
}
_cmdState = ConnectionState.Fetching;
}
finally
{
if (ConnectionState.Fetching != _cmdState)
{
if (null != localReader)
{
// clear bindings so we don't grab output parameters on a failed execute
if (null != _parameterCollection)
{
_parameterCollection.ClearBindings();
}
((IDisposable)localReader).Dispose();
}
if (ConnectionState.Closed != _cmdState)
{
_cmdState = ConnectionState.Closed;
}
}
}
return(localReader);
}
public DataSet ConvertDataReaderToDataSet(System.Data.Odbc.OdbcDataReader reader)
{
DataSet dataSet = new DataSet();
do
{
// Create data table in runtime
DataTable schemaTable = reader.GetSchemaTable();
DataTable dataTable = new DataTable();
if (schemaTable != null)
{
DataColumn column1 = new DataColumn("id", typeof(int));
dataTable.Columns.Add(column1);
DataColumn column2 = new DataColumn("dato", typeof(DateTime));
dataTable.Columns.Add(column2);
DataColumn column3 = new DataColumn("editor", typeof(string));
dataTable.Columns.Add(column3);
DataColumn column4 = new DataColumn("origin", typeof(int));
dataTable.Columns.Add(column4);
DataColumn column5 = new DataColumn("medarbejderid", typeof(string));
dataTable.Columns.Add(column5);
DataColumn column6 = new DataColumn("jobid", typeof(int));
dataTable.Columns.Add(column6);
DataColumn column7 = new DataColumn("aktnavn", typeof(string));
dataTable.Columns.Add(column7);
DataColumn column8 = new DataColumn("timer", typeof(double));
dataTable.Columns.Add(column8);
DataColumn column9 = new DataColumn("tdato", typeof(DateTime));
dataTable.Columns.Add(column9);
DataColumn column10 = new DataColumn("lto", typeof(string));
dataTable.Columns.Add(column10);
DataColumn column11 = new DataColumn("timerkom", typeof(string));
dataTable.Columns.Add(column11);
dataSet.Tables.Add(dataTable);
// Fill the data table from reader data
while (reader.Read())
{
DataRow dataRow = dataTable.NewRow();
dataRow["id"] = reader.GetValue(0);
dataRow["dato"] = reader.GetValue(1);
dataRow["editor"] = reader.GetValue(2);
dataRow["origin"] = reader.GetValue(3);
dataRow["medarbejderid"] = reader.GetValue(4);
dataRow["jobid"] = reader.GetValue(5);
dataRow["aktnavn"] = reader.GetValue(6);
dataRow["timer"] = reader.GetValue(7);
dataRow["tdato"] = reader.GetValue(8);
dataRow["lto"] = reader.GetValue(9); //10 Overfort omited here
dataRow["timerkom"] = reader.GetValue(10); //11
dataTable.Rows.Add(dataRow);
}
}
else
{
// No records were returned
DataColumn column = new DataColumn("RowsAffected");
dataTable.Columns.Add(column);
dataSet.Tables.Add(dataTable);
DataRow dataRow = dataTable.NewRow();
dataRow[0] = reader.RecordsAffected;
dataTable.Rows.Add(dataRow);
}
}while (reader.NextResult());
return(dataSet);
}
private static void DataTableFromDataReaderDataTypes(DataTable dataTypesTable, OdbcDataReader dataReader, OdbcConnection connection)
{
DataTable?schemaTable;
//
// Build a DataTable from the reader
schemaTable = dataReader.GetSchemaTable();
// vstfdevdiv:479715 Handle cases where reader is empty
if (null == schemaTable)
{
throw ADP.OdbcNoTypesFromProvider();
}
object[] getTypeInfoValues = new object[schemaTable.Rows.Count];
DataRow dataTypesRow;
DataColumn typeNameColumn = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName] !;
DataColumn providerDbTypeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType] !;
DataColumn columnSizeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize] !;
DataColumn createParametersColumn = dataTypesTable.Columns[DbMetaDataColumnNames.CreateParameters] !;
DataColumn dataTypeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.DataType] !;
DataColumn isAutoIncermentableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsAutoIncrementable] !;
DataColumn isCaseSensitiveColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsCaseSensitive] !;
DataColumn isFixedLengthColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedLength] !;
DataColumn isFixedPrecisionScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedPrecisionScale] !;
DataColumn isLongColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsLong] !;
DataColumn isNullableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable] !;
DataColumn isSearchableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable] !;
DataColumn isSearchableWithLikeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchableWithLike] !;
DataColumn isUnsignedColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsUnsigned] !;
DataColumn maximumScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.MaximumScale] !;
DataColumn minimumScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.MinimumScale] !;
DataColumn literalPrefixColumn = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralPrefix] !;
DataColumn literalSuffixColumn = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralSuffix] !;
DataColumn SQLTypeNameColumn = dataTypesTable.Columns[OdbcMetaDataColumnNames.SQLType] !;
const int indexTYPE_NAME = 0;
const int indexDATA_TYPE = 1;
const int indexCOLUMN_SIZE = 2;
const int indexCREATE_PARAMS = 5;
const int indexAUTO_UNIQUE_VALUE = 11;
const int indexCASE_SENSITIVE = 7;
const int indexFIXED_PREC_SCALE = 10;
const int indexNULLABLE = 6;
const int indexSEARCHABLE = 8;
const int indexUNSIGNED_ATTRIBUTE = 9;
const int indexMAXIMUM_SCALE = 14;
const int indexMINIMUM_SCALE = 13;
const int indexLITERAL_PREFIX = 3;
const int indexLITERAL_SUFFIX = 4;
const int SQL_DATE_V2 = 9;
const int SQL_TIME_V2 = 10;
TypeMap?typeMap;
while (dataReader.Read())
{
dataReader.GetValues(getTypeInfoValues);
dataTypesRow = dataTypesTable.NewRow();
ODBC32.SQL_TYPE sqlType;
dataTypesRow[typeNameColumn] = getTypeInfoValues[indexTYPE_NAME];
dataTypesRow[SQLTypeNameColumn] = getTypeInfoValues[indexDATA_TYPE];
sqlType = (ODBC32.SQL_TYPE)(int) Convert.ChangeType(getTypeInfoValues[indexDATA_TYPE], typeof(int), null);
// if the driver is pre version 3 and it returned the v2 SQL_DATE or SQL_TIME types they need
// to be mapped to their v3 equivalent
if (connection.IsV3Driver == false)
{
if ((int)sqlType == SQL_DATE_V2)
{
sqlType = ODBC32.SQL_TYPE.TYPE_DATE;
}
else if ((int)sqlType == SQL_TIME_V2)
{
sqlType = ODBC32.SQL_TYPE.TYPE_TIME;
}
}
try
{
typeMap = TypeMap.FromSqlType(sqlType);
}
// FromSqlType will throw an argument exception if it does not recognize the SqlType.
// This is not an error since the GetTypeInfo DATA_TYPE may be a SQL data type or a driver specific
// type. If there is no TypeMap for the type its not an error but it will degrade our level of
// understanding of/ support for the type.
catch (ArgumentException)
{
typeMap = null;
}
// if we have a type map we can determine the dbType and the CLR type if not leave them null
if (typeMap != null)
{
dataTypesRow[providerDbTypeColumn] = typeMap._odbcType;
dataTypesRow[dataTypeColumn] = typeMap._type.FullName;
// setting isLong and isFixedLength only if we have a type map because for provider
// specific types we have no idea what the types attributes are if GetTypeInfo did not
// tell us
switch (sqlType)
{
case ODBC32.SQL_TYPE.LONGVARCHAR:
case ODBC32.SQL_TYPE.WLONGVARCHAR:
case ODBC32.SQL_TYPE.LONGVARBINARY:
case ODBC32.SQL_TYPE.SS_XML:
dataTypesRow[isLongColumn] = true;
dataTypesRow[isFixedLengthColumn] = false;
break;
case ODBC32.SQL_TYPE.VARCHAR:
case ODBC32.SQL_TYPE.WVARCHAR:
case ODBC32.SQL_TYPE.VARBINARY:
dataTypesRow[isLongColumn] = false;
dataTypesRow[isFixedLengthColumn] = false;
break;
case ODBC32.SQL_TYPE.CHAR:
case ODBC32.SQL_TYPE.WCHAR:
case ODBC32.SQL_TYPE.DECIMAL:
case ODBC32.SQL_TYPE.NUMERIC:
case ODBC32.SQL_TYPE.SMALLINT:
case ODBC32.SQL_TYPE.INTEGER:
case ODBC32.SQL_TYPE.REAL:
case ODBC32.SQL_TYPE.FLOAT:
case ODBC32.SQL_TYPE.DOUBLE:
case ODBC32.SQL_TYPE.BIT:
case ODBC32.SQL_TYPE.TINYINT:
case ODBC32.SQL_TYPE.BIGINT:
case ODBC32.SQL_TYPE.TYPE_DATE:
case ODBC32.SQL_TYPE.TYPE_TIME:
case ODBC32.SQL_TYPE.TIMESTAMP:
case ODBC32.SQL_TYPE.TYPE_TIMESTAMP:
case ODBC32.SQL_TYPE.GUID:
case ODBC32.SQL_TYPE.SS_VARIANT:
case ODBC32.SQL_TYPE.SS_UTCDATETIME:
case ODBC32.SQL_TYPE.SS_TIME_EX:
case ODBC32.SQL_TYPE.BINARY:
dataTypesRow[isLongColumn] = false;
dataTypesRow[isFixedLengthColumn] = true;
break;
case ODBC32.SQL_TYPE.SS_UDT:
default:
// for User defined types don't know if its long or if it is
// varaible length or not so leave the fields null
break;
}
}
dataTypesRow[columnSizeColumn] = getTypeInfoValues[indexCOLUMN_SIZE];
dataTypesRow[createParametersColumn] = getTypeInfoValues[indexCREATE_PARAMS];
if ((getTypeInfoValues[indexAUTO_UNIQUE_VALUE] == DBNull.Value) ||
(Convert.ToInt16(getTypeInfoValues[indexAUTO_UNIQUE_VALUE], null) == 0))
{
dataTypesRow[isAutoIncermentableColumn] = false;
}
else
{
dataTypesRow[isAutoIncermentableColumn] = true;
}
dataTypesRow[isCaseSensitiveColumn] = BooleanFromODBC(getTypeInfoValues[indexCASE_SENSITIVE]);
dataTypesRow[isFixedPrecisionScaleColumn] = BooleanFromODBC(getTypeInfoValues[indexFIXED_PREC_SCALE]);
if (getTypeInfoValues[indexNULLABLE] != DBNull.Value)
{
//Use Convert.ToInt16 instead of direct cast to short because the value will be Int32 in some cases
switch ((ODBC32.SQL_NULLABILITY)Convert.ToInt16(getTypeInfoValues[indexNULLABLE], null))
{
case ODBC32.SQL_NULLABILITY.NO_NULLS:
dataTypesRow[isNullableColumn] = false;
break;
case ODBC32.SQL_NULLABILITY.NULLABLE:
dataTypesRow[isNullableColumn] = true;
break;
case ODBC32.SQL_NULLABILITY.UNKNOWN:
dataTypesRow[isNullableColumn] = DBNull.Value;
break;
}
}
if (DBNull.Value != getTypeInfoValues[indexSEARCHABLE])
{
//Use Convert.ToInt16 instead of direct cast to short because the value will be Int32 in some cases
short searchableValue = Convert.ToInt16(getTypeInfoValues[indexSEARCHABLE], null);
switch (searchableValue)
{
case (short)ODBC32.SQL_SEARCHABLE.UNSEARCHABLE:
dataTypesRow[isSearchableColumn] = false;
dataTypesRow[isSearchableWithLikeColumn] = false;
break;
case (short)ODBC32.SQL_SEARCHABLE.LIKE_ONLY:
dataTypesRow[isSearchableColumn] = false;
dataTypesRow[isSearchableWithLikeColumn] = true;
break;
case (short)ODBC32.SQL_SEARCHABLE.ALL_EXCEPT_LIKE:
dataTypesRow[isSearchableColumn] = true;
dataTypesRow[isSearchableWithLikeColumn] = false;
break;
case (short)ODBC32.SQL_SEARCHABLE.SEARCHABLE:
dataTypesRow[isSearchableColumn] = true;
dataTypesRow[isSearchableWithLikeColumn] = true;
break;
}
}
dataTypesRow[isUnsignedColumn] = BooleanFromODBC(getTypeInfoValues[indexUNSIGNED_ATTRIBUTE]);
//For assignment to the DataSet, don't cast the data types -- let the DataSet take care of any conversion
if (getTypeInfoValues[indexMAXIMUM_SCALE] != DBNull.Value)
{
dataTypesRow[maximumScaleColumn] = getTypeInfoValues[indexMAXIMUM_SCALE];
}
if (getTypeInfoValues[indexMINIMUM_SCALE] != DBNull.Value)
{
dataTypesRow[minimumScaleColumn] = getTypeInfoValues[indexMINIMUM_SCALE];
}
if (getTypeInfoValues[indexLITERAL_PREFIX] != DBNull.Value)
{
dataTypesRow[literalPrefixColumn] = getTypeInfoValues[indexLITERAL_PREFIX];
}
if (getTypeInfoValues[indexLITERAL_SUFFIX] != DBNull.Value)
{
dataTypesRow[literalSuffixColumn] = getTypeInfoValues[indexLITERAL_SUFFIX];
}
dataTypesTable.Rows.Add(dataTypesRow);
}
}
private OdbcDataReader ExecuteReaderObject(CommandBehavior behavior,
string method,
bool needReader,
object?[]?methodArguments,
ODBC32.SQL_API odbcApiMethod)
{ // MDAC 68324
OdbcDataReader?localReader = null;
try
{
DisposeDeadDataReader(); // this is a no-op if cmdState is not Fetching
ValidateConnectionAndTransaction(method); // cmdState will change to Executing
if (0 != (CommandBehavior.SingleRow & behavior))
{
// CommandBehavior.SingleRow implies CommandBehavior.SingleResult
behavior |= CommandBehavior.SingleResult;
}
ODBC32.RetCode retcode;
OdbcStatementHandle stmt = GetStatementHandle().StatementHandle !;
_cmdWrapper !.Canceling = false;
if (null != _weakDataReaderReference)
{
if (_weakDataReaderReference.IsAlive)
{
object?target = _weakDataReaderReference.Target;
if (null != target && _weakDataReaderReference.IsAlive)
{
if (!((OdbcDataReader)target).IsClosed)
{
throw ADP.OpenReaderExists(); // MDAC 66411
}
}
}
}
localReader = new OdbcDataReader(this, _cmdWrapper, behavior);
//Set command properties
//Not all drivers support timeout. So fail silently if error
if (!Connection !.ProviderInfo.NoQueryTimeout)
{
TrySetStatementAttribute(stmt,
ODBC32.SQL_ATTR.QUERY_TIMEOUT,
(IntPtr)this.CommandTimeout);
}
// todo: If we remember the state we can omit a lot of SQLSetStmtAttrW calls ...
// if we do not create a reader we do not even need to do that
if (needReader)
{
if (Connection.IsV3Driver)
{
if (!Connection.ProviderInfo.NoSqlSoptSSNoBrowseTable && !Connection.ProviderInfo.NoSqlSoptSSHiddenColumns)
{
// Need to get the metadata information
//SQLServer actually requires browse info turned on ahead of time...
//Note: We ignore any failures, since this is SQLServer specific
//We won't specialcase for SQL Server but at least for non-V3 drivers
if (localReader.IsBehavior(CommandBehavior.KeyInfo))
{
if (!_cmdWrapper._ssKeyInfoModeOn)
{
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.NOBROWSETABLE, (IntPtr)ODBC32.SQL_NB.ON);
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.HIDDEN_COLUMNS, (IntPtr)ODBC32.SQL_HC.ON);
_cmdWrapper._ssKeyInfoModeOff = false;
_cmdWrapper._ssKeyInfoModeOn = true;
}
}
else
{
if (!_cmdWrapper._ssKeyInfoModeOff)
{
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.NOBROWSETABLE, (IntPtr)ODBC32.SQL_NB.OFF);
TrySetStatementAttribute(stmt, (ODBC32.SQL_ATTR)ODBC32.SQL_SOPT_SS.HIDDEN_COLUMNS, (IntPtr)ODBC32.SQL_HC.OFF);
_cmdWrapper._ssKeyInfoModeOff = true;
_cmdWrapper._ssKeyInfoModeOn = false;
}
}
}
}
}
if (localReader.IsBehavior(CommandBehavior.KeyInfo) ||
localReader.IsBehavior(CommandBehavior.SchemaOnly))
{
retcode = stmt.Prepare(CommandText);
if (ODBC32.RetCode.SUCCESS != retcode)
{
_connection !.HandleError(stmt, retcode);
}
}
bool mustRelease = false;
CNativeBuffer?parameterBuffer = _cmdWrapper._nativeParameterBuffer;
try
{
//Handle Parameters
//Note: We use the internal variable as to not instante a new object collection,
//for the common case of using no parameters.
if ((null != _parameterCollection) && (0 < _parameterCollection.Count))
{
int parameterBufferSize = _parameterCollection.CalcParameterBufferSize(this);
if (null == parameterBuffer || parameterBuffer.Length < parameterBufferSize)
{
if (null != parameterBuffer)
{
parameterBuffer.Dispose();
}
parameterBuffer = new CNativeBuffer(parameterBufferSize);
_cmdWrapper._nativeParameterBuffer = parameterBuffer;
}
else
{
parameterBuffer.ZeroMemory();
}
parameterBuffer.DangerousAddRef(ref mustRelease);
_parameterCollection.Bind(this, _cmdWrapper, parameterBuffer);
}
if (!localReader.IsBehavior(CommandBehavior.SchemaOnly))
{
// Can't get the KeyInfo after command execution (SQL Server only since it does not support multiple
// results on the same connection). Stored procedures (SP) do not return metadata before actual execution
// Need to check the column count since the command type may not be set to SP for a SP.
if ((localReader.IsBehavior(CommandBehavior.KeyInfo) || localReader.IsBehavior(CommandBehavior.SchemaOnly)) &&
(CommandType != CommandType.StoredProcedure))
{
short cColsAffected;
retcode = stmt.NumberOfResultColumns(out cColsAffected);
if (retcode == ODBC32.RetCode.SUCCESS || retcode == ODBC32.RetCode.SUCCESS_WITH_INFO)
{
if (cColsAffected > 0)
{
localReader.GetSchemaTable();
}
}
else if (retcode == ODBC32.RetCode.NO_DATA)
{
// do nothing
}
else
{
// any other returncode indicates an error
_connection !.HandleError(stmt, retcode);
}
}
switch (odbcApiMethod)
{
case ODBC32.SQL_API.SQLEXECDIRECT:
if (localReader.IsBehavior(CommandBehavior.KeyInfo) || _isPrepared)
{
//Already prepared, so use SQLExecute
retcode = stmt.Execute();
// Build metadata here
// localReader.GetSchemaTable();
}
else
{
#if DEBUG
//if (AdapterSwitches.OleDbTrace.TraceInfo) {
// ADP.DebugWriteLine("SQLExecDirectW: " + CommandText);
//}
#endif
//SQLExecDirect
retcode = stmt.ExecuteDirect(CommandText);
}
break;
case ODBC32.SQL_API.SQLTABLES:
retcode = stmt.Tables((string)methodArguments ![0] !, //TableCatalog
(string)methodArguments[1] !, //TableSchema,
(string)methodArguments[2] !, //TableName
(string)methodArguments[3] !); //TableType
break;
