Fixed #20010 -- Make sure `last_executed_query` contains it's associated parameters on Oracle.

"""

from __future__ import unicode_literals

import datetime

import decimal

import re

import sys

    from django.core.exceptions import ImproperlyConfigured

    raise ImproperlyConfigured("Error loading cx_Oracle module: %s" % e)

from django.conf import settings

from django.db import utils

from django.db.backends import *

from django.db.backends.oracle.client import DatabaseClient

from django.db.backends.oracle.creation import DatabaseCreation

from django.db.backends.oracle.introspection import DatabaseIntrospection

from django.utils.encoding import force_bytes, force_text

from django.utils.functional import cached_property

from django.utils import six

from django.utils import timezone

DatabaseError = Database.DatabaseError

IntegrityError = Database.IntegrityError

    def last_executed_query(self, cursor, sql, params):

        # http://cx-oracle.sourceforge.net/html/cursor.html#Cursor.statement

        # The DB API definition does not define this attribute.

        if six.PY3:

            return cursor.statement

        else:

            query = cursor.statement

            return query if isinstance(query, unicode) else query.decode("utf-8")

        statement = cursor.statement

        if not six.PY3 and not isinstance(statement, unicode):

            statement = statement.decode('utf-8')

        # Unlike Psycopg's `query` and MySQLdb`'s `_last_executed`, CxOracle's

        # `statement` doesn't contain the query parameters. refs #20010.

        return super(DatabaseOperations, self).last_executed_query(cursor, statement, params)

    def last_insert_id(self, cursor, table_name, pk_name):

        sq_name = self._get_sequence_name(table_name)