public void Test3()
{
DataParameter d1 = new DataParameter(1);
DataParameter d2 = new DataParameter("@p2", 2);
DataParameter d3 = new DataParameter("@p3", 3);
DataParameterCollection dpc = new DataParameterCollection(d1,d2,d3);
Assert.AreEqual(d1, dpc[0]);
Assert.AreEqual(d2, dpc[1]);
Assert.AreEqual(d3, dpc[2]);
}
public override IDbDataParameter GetDbParameter(DataParameter dp)
{
var odp = (OracleParameter)base.GetDbParameter(dp);
if (dp.Type == DataType.String)
{
odp.OracleType = OracleType.VarChar;
}
else
{
odp.DbType = (DbType)dp.Type;
}
return odp;
}
public override IDbDataParameter GetDbParameter(DataParameter dp)
{
var odp = (OleDbParameter)base.GetDbParameter(dp);
// TODO: Is OleDb Bug, Or Access Bug? Or, all Drivers bug£¿
if (dp.Type == DataType.DateTime || dp.Type == DataType.Time)
{
odp.OleDbType = OleDbType.Date;
}
else
{
odp.DbType = (DbType)dp.Type;
}
return odp;
}
public void Add(DataParameter dp)
{
bool userSet = !string.IsNullOrEmpty(dp.Key);
if ( List.Count == 0 )
{
_paramsNameUserSet = userSet;
}
else
{
if ( _paramsNameUserSet != userSet )
{
throw new ArgumentException("DataParameters's key must all set or all not set.");
}
}
List.Add(dp);
}
public SqlStatement GetSqlStatement(string sqlStr, params object[] os)
{
CommandType ct = SqlStatement.GetCommandType(sqlStr);
if (ct == CommandType.StoredProcedure)
{
return new SqlStatement(ct, sqlStr, os);
}
var dpc = new DataParameterCollection();
int start = 0, n = 0;
var sql = new StringBuilder();
foreach (Match m in Reg.Matches(sqlStr))
{
if (m.Length == 1)
{
string pn = Dialect.QuoteParameter("p" + n);
sql.Append(sqlStr.Substring(start, m.Index - start));
sql.Append(pn);
start = m.Index + 1;
var dp = new DataParameter(pn, os[n]);
dpc.Add(dp);
n++;
}
}
if (start < sqlStr.Length)
{
sql.Append(sqlStr.Substring(start));
}
var ret = new SqlStatement(ct, sql.ToString(), dpc);
return ret;
}
public virtual IDbDataParameter GetDbParameter(DataParameter dp)
{
IDbDataParameter odp = ProviderFactory.CreateParameter();
odp.ParameterName = dp.Key;
odp.Value = GetDbValue(dp.Value);
odp.DbType = (DbType)dp.Type;
odp.Direction = dp.Direction;
odp.SourceColumn = dp.SourceColumn;
return odp;
}
protected virtual string GetValueString(DataParameterCollection dpc, DbDialect dd, KeyValue kv)
{
if(kv.Value == null)
{
return "NULL";
}
string dpStr;
if (DataSettings.UsingParameter)
{
dpStr = dd.QuoteParameter(string.Format("{0}_{1}", DataParameter.LegalKey(kv.Key), dpc.Count));
var dp = new DataParameter(dpStr, kv.NullableValue, kv.ValueType);
dpc.Add(dp);
}
else
{
dpStr = DataTypeParser.ParseToString(kv.Value, dd);
}
return dpStr;
}
