//
// Summary:
// Removes the System.Data.Common.DbParameter object with the specified name
// from the collection.
//
// Parameters:
// parameterName:
// The name of the System.Data.Common.DbParameter object to remove.
public override void RemoveAt(string parameterName)
{
#if CODECONTRACTS
Contract.Assume(parameterName != null);
#endif
if (!string.IsNullOrEmpty(parameterName))
{
int ret;
string canonical = PqsqlParameter.CanonicalParameterName(parameterName);
if (mLookup.TryGetValue(canonical, out ret) && ret != -1)
{
mParamList.RemoveAt(ret);
mLookup.Remove(canonical);
// update lookup index
foreach (KeyValuePair <string, int> kv in mLookup.Where(kv => kv.Value > ret).ToArray())
{
mLookup[kv.Key] = kv.Value - 1;
}
return;
}
}
throw new KeyNotFoundException("Could not find parameter name " + parameterName);
}
//
// Summary:
// Returns the index of the System.Data.Common.DbParameter object with the specified
// name.
//
// Parameters:
// parameterName:
// The name of the System.Data.Common.DbParameter object in the collection.
//
// Returns:
// The index of the System.Data.Common.DbParameter object with the specified
// name.
public override int IndexOf(string parameterName)
{
#if CODECONTRACTS
Contract.Ensures(Contract.Result <int>() >= -1);
Contract.Ensures(Contract.Result <int>() < Count);
#endif
int ret;
if (!string.IsNullOrEmpty(parameterName) &&
mLookup.TryGetValue(PqsqlParameter.CanonicalParameterName(parameterName), out ret))
{
return(ret < -1 ? -1 : ret);
}
return(-1);
}
