public override void Resolve()
{
// first retrieve the procedure definition from our
// procedure cache
string spName = commandText;
if (spName.IndexOf(".") == -1)
{
spName = Connection.Database + "." + spName;
}
DataSet ds = GetParameters(spName);
DataTable procTable = ds.Tables["procedures"];
parametersTable = ds.Tables["procedure parameters"];
StringBuilder sqlStr = new StringBuilder();
StringBuilder setStr = new StringBuilder();
outSelect = String.Empty;
string retParm = GetReturnParameter();
foreach (DataRow param in parametersTable.Rows)
{
if (param["ORDINAL_POSITION"].Equals(0))
{
continue;
}
string mode = (string)param["PARAMETER_MODE"];
string pName = (string)param["PARAMETER_NAME"];
// make sure the parameters given to us have an appropriate
// type set if it's not already
MySqlParameter p = command.Parameters[pName];
if (!p.TypeHasBeenSet)
{
string datatype = (string)param["DATA_TYPE"];
bool unsigned = param["FLAGS"].ToString().IndexOf("UNSIGNED") != -1;
bool real_as_float = procTable.Rows[0]["SQL_MODE"].ToString().IndexOf("REAL_AS_FLOAT") != -1;
p.MySqlDbType = MetaData.NameToType(datatype, unsigned, real_as_float, Connection);
}
string basePName = pName.Substring(1);
string vName = string.Format("@{0}{1}", hash, basePName);
if (mode == "OUT" || mode == "INOUT")
{
outSelect += vName + ", ";
sqlStr.Append(vName);
sqlStr.Append(", ");
}
else
{
sqlStr.Append(pName);
sqlStr.Append(", ");
}
if (mode == "INOUT")
{
setStr.AppendFormat(CultureInfo.InvariantCulture, "SET {0}={1};", vName, pName);
outSelect += vName + ", ";
}
}
string sqlCmd = sqlStr.ToString().TrimEnd(' ', ',');
outSelect = outSelect.TrimEnd(' ', ',');
if (procTable.Rows[0]["ROUTINE_TYPE"].Equals("PROCEDURE"))
{
sqlCmd = String.Format("call {0} ({1})", commandText, sqlCmd);
}
else
{
if (retParm == null)
{
retParm = hash + "dummy";
}
else
{
outSelect = String.Format("@{0}", retParm);
}
sqlCmd = String.Format("set @{0}={1}({2})", retParm, commandText, sqlCmd);
}
if (setStr.Length > 0)
{
sqlCmd = setStr + sqlCmd;
}
resolvedCommandText = sqlCmd;
}