private IEnumerable <string> _usingNamespaces()
{
var usings = new HashSet <string>();
foreach (var columnEntity in ColumnEntities)
{
if (columnEntity.TypeType == "e")
{
continue;
}
var typeOid = columnEntity.TypeOid;
if (!TypeEntities.ContainsKey(typeOid))
{
throw new DbException($"DataType '{columnEntity.RelationName}' '{columnEntity.ColumnName}' is not supported");
}
var typeEntity = TypeEntities[typeOid];
if (typeEntity.Using == null)
{
continue;
}
if (!usings.Contains(typeEntity.Using))
{
usings.Add(typeEntity.Using);
}
}
return(usings);
}
public TypeEntity GetType(ColumnEntity column)
{
return(TypeEntities.ContainsKey(column.TypeOid) ? TypeEntities[column.TypeOid] : null);
}