from .base import SQLAdapter from . import adapters @adapters.register_for("teradata") class Teradata(SQLAdapter): dbengine = "" drivers = ("pyodbc",) def _initialize_(self): super(Teradata, self)._initialize_() self.ruri = self.uri.split("://", 1)[1] def connector(self): return self.driver.connect(self.ruri, **self.driver_args) def close(self): # Teradata does not implicitly close off the cursor # leading to SQL_ACTIVE_STATEMENTS limit errors self.cursor.close() super(Teradata, self).close() def lastrowid(self, table): # Teradata cannot retrieve the lastrowid for an IDENTITY Column # and they are not sequential anyway. # Similar to the NullCursor class, return 1 return 1