public bool FieldNamesFromTableType(Type table, out string[] fields)
{
/* translates the attributes of a table definition's field list into a list of field objects */
table = PromoteListType2ElementType(table);
FieldInfo[] fi = TableDef.GetNonConstantFieldInfos(table);
if (fi.Length > 0)
{
List <string> f = new List <string>();
for (int i = 0; i < fi.Length; i++)
{
if (fi[i].IsLiteral)
{
/* this is to exclude the field name constants */
continue;
}
f.Add(fi[i].Name);
}
fields = f.ToArray();
}
else
{
fields = new string[] { };
}
return(true);
}
/// <summary>
/// Used for bulk insert preparation.
/// Returns the list of column names that will
/// be part of the bulk insert, which can be
/// used directly for the column mappings which
/// is necessary on MSSQL because otherwise,
/// the field mapping would be done by ordinal by default,
/// which is not valid because in SHERM DAL, we do
/// not rely on same column order inter logical and
/// physical table definitions.
/// </summary>
public string[] Inject(Type ttype, Tcollection data)
{
_data = data;
rowcount = data.Count;
fi = TableDef.GetNonConstantFieldInfos(ttype);
col_lookup = new Dictionary <string, int>();
for (int i = 0; i < fi.Length; ++i)
{
col_lookup.Add(fi[i].Name, i);
}
return(col_lookup.Keys.ToArray());
}
public bool FieldCollectionFromTableType(Type table, bool allow_recurse, out Fields fields)
{
/* translates the attributes of a table definition's field list into a list of field objects */
table = PromoteListType2ElementType(table);
fields = new Fields();
Field fldx;
FieldInfo[] fi = TableDef.GetNonConstantFieldInfos(table);
for (int i = 0; i < fi.Length; ++i)
{
/* the "IsLiteral" clause is to exclude the field name constants */
if (FieldFromFieldType(fi[i], allow_recurse, out fldx))
{
fields.Add(fldx);
}
}
return(true);
}