GetProcedureParameters() public method

Return schema information about parameters for procedures and functions Restrictions supported are: schema, name, type, parameter name
public GetProcedureParameters ( string restrictions, DataTable routines ) : DataTable
restrictions string
routines System.Data.DataTable
return System.Data.DataTable
Example #1
0
        private DataSet GetParameters(string procName)
        {
            // if we can use mysql.proc, then do so
            if (Connection.Settings.UseProcedureBodies)
                return Connection.ProcedureCache.GetProcedure(Connection, procName);

            // we can't use mysql.proc so we attempt to "make do"
            DataSet ds = new DataSet();
            string[] restrictions = new string[4];
            int dotIndex = procName.IndexOf('.');
            restrictions[1] = procName.Substring(0, dotIndex++);
            restrictions[2] = procName.Substring(dotIndex, procName.Length - dotIndex);
            ds.Tables.Add(Connection.GetSchema("procedures", restrictions));

            // we use an internal method to create our procedure parameters table.  We pass
            // in a non-null routines table and this will prevent the code from attempting
            // a show create. It will process zero routine records but will return an empty
            // parameters table we can then fill.
            DataTable zeroRoutines = new DataTable();
            ISSchemaProvider sp = new ISSchemaProvider(Connection);
            DataTable pTable = sp.GetProcedureParameters(null, zeroRoutines);
            pTable.TableName = "procedure parameters";
            ds.Tables.Add(pTable);

            // now we run through the parameters that were set and fill in the parameters table
            // the best we can
            int pos = 1;
            foreach (MySqlParameter p in command.Parameters)
            {
                // in this mode, all parameters must have their type set
                if (!p.TypeHasBeenSet)
                    throw new InvalidOperationException(Resources.NoBodiesAndTypeNotSet);

                DataRow row = pTable.NewRow();
                row["PARAMETER_NAME"] = p.ParameterName;
                row["PARAMETER_MODE"] = "IN";
                if (p.Direction == ParameterDirection.InputOutput)
                    row["PARAMETER_MODE"] = "INOUT";
                else if (p.Direction == ParameterDirection.Output)
                    row["PARAMETER_MODE"] = "OUT";
                else if (p.Direction == ParameterDirection.ReturnValue)
                {
                    row["PARAMETER_MODE"] = "OUT";
                    row["ORDINAL_POSITION"] = 0;
                }
                else
                    row["ORDINAL_POSITION"] = pos++;
                pTable.Rows.Add(row);
            }
            return ds;
        }
Example #2
0
        private static ProcedureCacheEntry GetProcData(MySqlConnection connection, string spName)
        {
            string schema = String.Empty;
            string name   = spName;

            int dotIndex = spName.IndexOf(".");

            if (dotIndex != -1)
            {
                schema = spName.Substring(0, dotIndex);
                name   = spName.Substring(dotIndex + 1, spName.Length - dotIndex - 1);
            }

            string[] restrictions = new string[4];
            restrictions[1] = schema.Length > 0 ? schema : connection.CurrentDatabase();
            restrictions[2] = name;
            MySqlSchemaCollection proc = connection.GetSchemaCollection("procedures", restrictions);

            if (proc.Rows.Count > 1)
            {
                throw new MySqlException(Resources.ProcAndFuncSameName);
            }
            if (proc.Rows.Count == 0)
            {
                throw new MySqlException(String.Format(Resources.InvalidProcName, name, schema));
            }

            ProcedureCacheEntry entry = new ProcedureCacheEntry();

            entry.procedure = proc;

            // we don't use GetSchema here because that would cause another
            // query of procedures and we don't need that since we already
            // know the procedure we care about.
            ISSchemaProvider isp = new ISSchemaProvider(connection);

            string[] rest = isp.CleanRestrictions(restrictions);
            MySqlSchemaCollection parameters = isp.GetProcedureParameters(rest, proc);

            entry.parameters = parameters;

            return(entry);
        }
Example #3
0
        private static DataSet GetProcData(MySqlConnection connection, string spName)
        {
            var schema = String.Empty;
            var name   = spName;

            var dotIndex = spName.IndexOf(".");

            if (dotIndex != -1)
            {
                schema = spName.Substring(0, dotIndex);
                name   = spName.Substring(dotIndex + 1, spName.Length - dotIndex - 1);
            }

            var restrictions = new string[4];

            restrictions[1] = schema.Length > 0 ? schema : connection.CurrentDatabase();
            restrictions[2] = name;
            var procTable = connection.GetSchema("procedures", restrictions);

            if (procTable.Rows.Count > 1)
            {
                throw new MySqlException(Resources.ProcAndFuncSameName);
            }
            if (procTable.Rows.Count == 0)
            {
                throw new MySqlException(String.Format(Resources.InvalidProcName, name, schema));
            }

            var ds = new DataSet();

            ds.Tables.Add(procTable);

            // we don't use GetSchema here because that would cause another
            // query of procedures and we don't need that since we already
            // know the procedure we care about.
            var isp             = new ISSchemaProvider(connection);
            var rest            = isp.CleanRestrictions(restrictions);
            var parametersTable = isp.GetProcedureParameters(rest, procTable);

            ds.Tables.Add(parametersTable);

            return(ds);
        }
Example #4
0
        private DataSet GetParameters(string procName)
        {
            // if we can use mysql.proc, then do so
            if (Connection.Settings.UseProcedureBodies)
            {
                return(Connection.ProcedureCache.GetProcedure(Connection, procName));
            }

            // we can't use mysql.proc so we attempt to "make do"
            DataSet ds = new DataSet();

            string[] restrictions = new string[4];
            int      dotIndex     = procName.IndexOf('.');

            restrictions[1] = procName.Substring(0, dotIndex++);
            restrictions[2] = procName.Substring(dotIndex, procName.Length - dotIndex);
            ds.Tables.Add(Connection.GetSchema("procedures", restrictions));

            // we use an internal method to create our procedure parameters table.  We pass
            // in a non-null routines table and this will prevent the code from attempting
            // a show create. It will process zero routine records but will return an empty
            // parameters table we can then fill.
            DataTable        zeroRoutines = new DataTable();
            ISSchemaProvider sp           = new ISSchemaProvider(Connection);
            DataTable        pTable       = sp.GetProcedureParameters(null, zeroRoutines);

            pTable.TableName = "procedure parameters";
            ds.Tables.Add(pTable);

            // now we run through the parameters that were set and fill in the parameters table
            // the best we can
            int pos = 1;

            foreach (MySqlParameter p in command.Parameters)
            {
                // in this mode, all parameters must have their type set
                if (!p.TypeHasBeenSet)
                {
                    throw new InvalidOperationException(Resources.NoBodiesAndTypeNotSet);
                }

                DataRow row = pTable.NewRow();
                row["PARAMETER_NAME"] = p.ParameterName;
                row["PARAMETER_MODE"] = "IN";
                if (p.Direction == ParameterDirection.InputOutput)
                {
                    row["PARAMETER_MODE"] = "INOUT";
                }
                else if (p.Direction == ParameterDirection.Output)
                {
                    row["PARAMETER_MODE"] = "OUT";
                }
                else if (p.Direction == ParameterDirection.ReturnValue)
                {
                    row["PARAMETER_MODE"]   = "OUT";
                    row["ORDINAL_POSITION"] = 0;
                }
                else
                {
                    row["ORDINAL_POSITION"] = pos++;
                }
                pTable.Rows.Add(row);
            }
            return(ds);
        }
        private static DataSet GetProcData(MySqlConnection connection, string spName)
        {
            string schema = String.Empty;
            string name = spName;

            int dotIndex = spName.IndexOf(".");
            if (dotIndex != -1)
            {
                schema = spName.Substring(0, dotIndex);
                name = spName.Substring(dotIndex + 1, spName.Length - dotIndex - 1);
            }

            string[] restrictions = new string[4];
            restrictions[1] = schema.Length > 0 ? schema : connection.CurrentDatabase();
            restrictions[2] = name;
            DataTable procTable = connection.GetSchema("procedures", restrictions);
            if (procTable.Rows.Count > 1)
                throw new MySqlException(Resources.ProcAndFuncSameName);
            if (procTable.Rows.Count == 0)
                throw new MySqlException(String.Format(Resources.InvalidProcName, name, schema));

            DataSet ds = new DataSet();
            ds.Tables.Add(procTable);

            // we don't use GetSchema here because that would cause another
            // query of procedures and we don't need that since we already
            // know the procedure we care about.
            ISSchemaProvider isp = new ISSchemaProvider(connection);
            string[] rest = isp.CleanRestrictions(restrictions);
            try
            {
                DataTable parametersTable = isp.GetProcedureParameters(rest, procTable);
                ds.Tables.Add(parametersTable);
            }
            catch (Exception) { }

            return ds;
        }
        public void GetProcedureParametersDoesNotRequireSelectFromMySqlProceduresTable()
        {
            if (Version < new Version(5, 5, 3)) return;

              suExecSQL(String.Format("GRANT ALL ON `{0}`.* to 'simpleuser' identified by 'simpleuser'", database0));
              execSQL("DROP PROCEDURE IF EXISTS spTest");
              execSQL(@"CREATE  PROCEDURE spTest(id INT, name VARCHAR(20))
                    BEGIN SELECT name; END");

              string connStr = GetConnectionString("simpleuser", "simpleuser", true) + ";use procedure bodies=false";

              using (MySqlConnection c = new MySqlConnection(connStr))
              {
            c.Open();

            string[] restrictions = new string[4];
            restrictions[1] = c.Database;
            restrictions[2] = "spTest";
            DataTable procTable = c.GetSchema("procedures", restrictions);
            ISSchemaProvider isp = new ISSchemaProvider(c);
            string[] rest = isp.CleanRestrictions(restrictions);

            MySqlSchemaCollection parametersTable = isp.GetProcedureParameters(rest, new MySqlSchemaCollection( procTable ));

            Assert.IsNotNull(parametersTable);
              }
        }
    private static ProcedureCacheEntry GetProcData(MySqlConnection connection, string spName)
    {
      string schema = String.Empty;
      string name = spName;

      int dotIndex = spName.IndexOf(".");
      if (dotIndex != -1)
      {
        schema = spName.Substring(0, dotIndex);
        name = spName.Substring(dotIndex + 1, spName.Length - dotIndex - 1);
      }

      string[] restrictions = new string[4];
      restrictions[1] = schema.Length > 0 ? schema : connection.CurrentDatabase();
      restrictions[2] = name;
      MySqlSchemaCollection proc = connection.GetSchemaCollection("procedures", restrictions);
      if (proc.Rows.Count > 1)
        throw new MySqlException(Resources.ProcAndFuncSameName);
      if (proc.Rows.Count == 0)
        throw new MySqlException(String.Format(Resources.InvalidProcName, name, schema));

      ProcedureCacheEntry entry = new ProcedureCacheEntry();
      entry.procedure = proc;

      // we don't use GetSchema here because that would cause another
      // query of procedures and we don't need that since we already
      // know the procedure we care about.
      ISSchemaProvider isp = new ISSchemaProvider(connection);
      string[] rest = isp.CleanRestrictions(restrictions);
      MySqlSchemaCollection parameters = isp.GetProcedureParameters(rest, proc);
      entry.parameters = parameters;

      return entry;
    }