protected static NameValue GetFieldValue(DataEntityFieldInfo fi, InsertType iops, object v)
{
if (fi.Key)
{
if (iops == InsertType.New)
{
v = null;
}
else if (v != null && iops == InsertType.Last_Insert_ID)
{
if (v.GetType().IsValueType)
{
if (v.Equals(TypeUtils.GetDefaultValue(v.GetType())) || v is string && (v as string) == "")
{
v = DbProvider.Adapter.LastInsertId();
}
}
}
}
if (v != null && fi.Attribute.SerializeType != SerializeType.None)
{
v = Burst.Utils.Serialize(v, fi.Attribute.SerializeType);
}
return(new NameValue("@" + fi.Attribute.DbFieldName, v));
}
public static void InitializeDbInfo()
{
lock (_lock_initialize_dbinfo)
{
if (_schema != null && _allFields != null)
{
return;
}
_ensuredTableName = DbProvider.Adapter.EnsureIdentifier(TableName);
_schema = DbProvider.Schema.GetTableInfo(TableName);
if (_schema != null)
{
//KeyField
foreach (var column_info in _schema.Columns.Values)
{
if (column_info.IsKey)
{
foreach (MemberInfo mi in typeof(T).GetFieldsAndProperties())
{
DataFieldAttribute a = mi.GetAttribute <DataFieldAttribute>();
if (a != null)
{
if (a.DbFieldName == column_info.Name)
{
_keyField = new DataEntityFieldInfo();
_keyField.MemberInfo = mi;
_keyField.Attribute = a;
_keyField.EnsuredName = DbProvider.Adapter.EnsureIdentifier(a.DbFieldName);
_keyField.Type = mi.GetFieldOrPropertyType();
_keyField.Name = a.DbFieldName;
if (a.DisplayName == null)
{
_keyField.DisplayName = a.DbFieldName;
}
else
{
_keyField.DisplayName = a.DisplayName;
}
_keyField.Key = column_info.IsKey;
_keyField.Nullable = column_info.IsNullable;
}
}
}
break;
}
}
if (_keyField == null)
{
throw new DataEntityException("没有主键。", null);
}
//AllFields, IndexField
Dictionary <int, DataEntityFieldInfo> res = new Dictionary <int, DataEntityFieldInfo>();
foreach (MemberInfo mi in typeof(T).GetFieldsAndProperties())
{
DataFieldAttribute a = mi.GetAttribute <DataFieldAttribute>();
if (a != null)
{
DataEntityFieldInfo fi = new DataEntityFieldInfo();
fi.MemberInfo = mi;
fi.Attribute = a;
fi.EnsuredName = DbProvider.Adapter.EnsureIdentifier(a.DbFieldName);
fi.Type = mi.GetFieldOrPropertyType();
fi.Name = a.DbFieldName;
if (a.DisplayName == null)
{
fi.Name = a.DbFieldName;
}
else
{
fi.Name = a.DisplayName;
}
_schema.Columns[a.DbFieldName].Type = fi.Type;
_schema.Columns[a.DbFieldName].SerializeType = fi.Attribute.SerializeType;
fi.Key = _schema.Columns[a.DbFieldName].IsKey;
fi.Nullable = _schema.Columns[a.DbFieldName].IsNullable;
res.Add(_schema.Columns[a.DbFieldName].Index, fi);
if (mi.GetAttribute <IndexFieldAttribute>() != null && _indexField == null)
{
_indexField = fi;
}
}
}
var items = from k in res.Keys orderby k ascending select res[k];
_allFields = items.ToArray();
}
}
}
