diff --git a/django/db/backends/mysql_old/__init__.py b/django/db/backends/mysql_old/__init__.py deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/django/db/backends/mysql_old/base.py b/django/db/backends/mysql_old/base.py deleted file mode 100644 index bbcf748869..0000000000 --- a/django/db/backends/mysql_old/base.py +++ /dev/null @@ -1,215 +0,0 @@ -""" -MySQL database backend for Django. - -Requires MySQLdb: http://sourceforge.net/projects/mysql-python -""" - -from django.db.backends import BaseDatabaseWrapper, BaseDatabaseFeatures, BaseDatabaseOperations, util -from django.utils.encoding import force_unicode -try: - import MySQLdb as Database -except ImportError, e: - from django.core.exceptions import ImproperlyConfigured - raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e) -from MySQLdb.converters import conversions -from MySQLdb.constants import FIELD_TYPE -import types -import re - -DatabaseError = Database.DatabaseError -IntegrityError = Database.IntegrityError - -django_conversions = conversions.copy() -django_conversions.update({ - types.BooleanType: util.rev_typecast_boolean, - FIELD_TYPE.DATETIME: util.typecast_timestamp, - FIELD_TYPE.DATE: util.typecast_date, - FIELD_TYPE.TIME: util.typecast_time, - FIELD_TYPE.DECIMAL: util.typecast_decimal, - FIELD_TYPE.STRING: force_unicode, - FIELD_TYPE.VAR_STRING: force_unicode, - # Note: We don't add a convertor for BLOB here. Doesn't seem to be required. -}) - -# This should match the numerical portion of the version numbers (we can treat -# versions like 5.0.24 and 5.0.24a as the same). Based on the list of version -# at http://dev.mysql.com/doc/refman/4.1/en/news.html and -# http://dev.mysql.com/doc/refman/5.0/en/news.html . -server_version_re = re.compile(r'(\d{1,2})\.(\d{1,2})\.(\d{1,2})') - -# This is an extra debug layer over MySQL queries, to display warnings. -# It's only used when DEBUG=True. -class MysqlDebugWrapper: - def __init__(self, cursor): - self.cursor = cursor - - def execute(self, sql, params=()): - try: - return self.cursor.execute(sql, params) - except Database.Warning, w: - self.cursor.execute("SHOW WARNINGS") - raise Database.Warning("%s: %s" % (w, self.cursor.fetchall())) - - def executemany(self, sql, param_list): - try: - return self.cursor.executemany(sql, param_list) - except Database.Warning, w: - self.cursor.execute("SHOW WARNINGS") - raise Database.Warning("%s: %s" % (w, self.cursor.fetchall())) - - def __getattr__(self, attr): - if attr in self.__dict__: - return self.__dict__[attr] - else: - return getattr(self.cursor, attr) - -class DatabaseFeatures(BaseDatabaseFeatures): - inline_fk_references = False - empty_fetchmany_value = () - update_can_self_select = False - supports_usecs = False - -class DatabaseOperations(BaseDatabaseOperations): - def date_extract_sql(self, lookup_type, field_name): - # http://dev.mysql.com/doc/mysql/en/date-and-time-functions.html - return "EXTRACT(%s FROM %s)" % (lookup_type.upper(), field_name) - - def date_trunc_sql(self, lookup_type, field_name): - fields = ['year', 'month', 'day', 'hour', 'minute', 'second'] - format = ('%%Y-', '%%m', '-%%d', ' %%H:', '%%i', ':%%s') # Use double percents to escape. - format_def = ('0000-', '01', '-01', ' 00:', '00', ':00') - try: - i = fields.index(lookup_type) + 1 - except ValueError: - sql = field_name - else: - format_str = ''.join([f for f in format[:i]] + [f for f in format_def[i:]]) - sql = "CAST(DATE_FORMAT(%s, '%s') AS DATETIME)" % (field_name, format_str) - return sql - - def drop_foreignkey_sql(self): - return "DROP FOREIGN KEY" - - def fulltext_search_sql(self, field_name): - return 'MATCH (%s) AGAINST (%%s IN BOOLEAN MODE)' % field_name - - def no_limit_value(self): - # 2**64 - 1, as recommended by the MySQL documentation - return 18446744073709551615L - - def quote_name(self, name): - if name.startswith("`") and name.endswith("`"): - return name # Quoting once is enough. - return "`%s`" % name - - def random_function_sql(self): - return 'RAND()' - - def sql_flush(self, style, tables, sequences): - # NB: The generated SQL below is specific to MySQL - # 'TRUNCATE x;', 'TRUNCATE y;', 'TRUNCATE z;'... style SQL statements - # to clear all tables of all data - if tables: - sql = ['SET FOREIGN_KEY_CHECKS = 0;'] - for table in tables: - sql.append('%s %s;' % (style.SQL_KEYWORD('TRUNCATE'), style.SQL_FIELD(self.quote_name(table)))) - sql.append('SET FOREIGN_KEY_CHECKS = 1;') - - # 'ALTER TABLE table AUTO_INCREMENT = 1;'... style SQL statements - # to reset sequence indices - sql.extend(["%s %s %s %s %s;" % \ - (style.SQL_KEYWORD('ALTER'), - style.SQL_KEYWORD('TABLE'), - style.SQL_TABLE(self.quote_name(sequence['table'])), - style.SQL_KEYWORD('AUTO_INCREMENT'), - style.SQL_FIELD('= 1'), - ) for sequence in sequences]) - return sql - else: - return [] - -class DatabaseWrapper(BaseDatabaseWrapper): - features = DatabaseFeatures() - ops = DatabaseOperations() - operators = { - 'exact': '= BINARY %s', - 'iexact': 'LIKE %s', - 'contains': 'LIKE BINARY %s', - 'icontains': 'LIKE %s', - 'regex': 'REGEXP BINARY %s', - 'iregex': 'REGEXP %s', - 'gt': '> %s', - 'gte': '>= %s', - 'lt': '< %s', - 'lte': '<= %s', - 'startswith': 'LIKE BINARY %s', - 'endswith': 'LIKE BINARY %s', - 'istartswith': 'LIKE %s', - 'iendswith': 'LIKE %s', - } - - def __init__(self, **kwargs): - super(DatabaseWrapper, self).__init__(**kwargs) - self.server_version = None - - def _valid_connection(self): - if self.connection is not None: - try: - self.connection.ping() - return True - except DatabaseError: - self.connection.close() - self.connection = None - return False - - def _cursor(self, settings): - if not self._valid_connection(): - kwargs = { - # Note: use_unicode intentonally not set to work around some - # backwards-compat issues. We do it manually. - 'user': settings.DATABASE_USER, - 'db': settings.DATABASE_NAME, - 'passwd': settings.DATABASE_PASSWORD, - 'conv': django_conversions, - } - if settings.DATABASE_HOST.startswith('/'): - kwargs['unix_socket'] = settings.DATABASE_HOST - else: - kwargs['host'] = settings.DATABASE_HOST - if settings.DATABASE_PORT: - kwargs['port'] = int(settings.DATABASE_PORT) - kwargs.update(self.options) - self.connection = Database.connect(**kwargs) - cursor = self.connection.cursor() - if self.connection.get_server_info() >= '4.1' and not self.connection.character_set_name().startswith('utf8'): - if hasattr(self.connection, 'charset'): - # MySQLdb < 1.2.1 backwards-compat hacks. - conn = self.connection - cursor.execute("SET NAMES 'utf8'") - cursor.execute("SET CHARACTER SET 'utf8'") - to_str = lambda u, dummy=None, c=conn: c.literal(u.encode('utf-8')) - conn.converter[unicode] = to_str - else: - self.connection.set_character_set('utf8') - else: - cursor = self.connection.cursor() - return cursor - - def make_debug_cursor(self, cursor): - return BaseDatabaseWrapper.make_debug_cursor(self, MysqlDebugWrapper(cursor)) - - def _rollback(self): - try: - BaseDatabaseWrapper._rollback(self) - except Database.NotSupportedError: - pass - - def get_server_version(self): - if not self.server_version: - if not self._valid_connection(): - self.cursor() - m = server_version_re.match(self.connection.get_server_info()) - if not m: - raise Exception('Unable to determine MySQL version from version string %r' % self.connection.get_server_info()) - self.server_version = tuple([int(x) for x in m.groups()]) - return self.server_version diff --git a/django/db/backends/mysql_old/client.py b/django/db/backends/mysql_old/client.py deleted file mode 100644 index f9d6297b8e..0000000000 --- a/django/db/backends/mysql_old/client.py +++ /dev/null @@ -1,14 +0,0 @@ -from django.conf import settings -import os - -def runshell(): - args = [''] - args += ["--user=%s" % settings.DATABASE_USER] - if settings.DATABASE_PASSWORD: - args += ["--password=%s" % settings.DATABASE_PASSWORD] - if settings.DATABASE_HOST: - args += ["--host=%s" % settings.DATABASE_HOST] - if settings.DATABASE_PORT: - args += ["--port=%s" % settings.DATABASE_PORT] - args += [settings.DATABASE_NAME] - os.execvp('mysql', args) diff --git a/django/db/backends/mysql_old/creation.py b/django/db/backends/mysql_old/creation.py deleted file mode 100644 index 698b07548d..0000000000 --- a/django/db/backends/mysql_old/creation.py +++ /dev/null @@ -1,28 +0,0 @@ -# This dictionary maps Field objects to their associated MySQL column -# types, as strings. Column-type strings can contain format strings; they'll -# be interpolated against the values of Field.__dict__ before being output. -# If a column type is set to None, it won't be included in the output. -DATA_TYPES = { - 'AutoField': 'integer AUTO_INCREMENT', - 'BooleanField': 'bool', - 'CharField': 'varchar(%(max_length)s)', - 'CommaSeparatedIntegerField': 'varchar(%(max_length)s)', - 'DateField': 'date', - 'DateTimeField': 'datetime', - 'DecimalField': 'numeric(%(max_digits)s, %(decimal_places)s)', - 'FileField': 'varchar(%(max_length)s)', - 'FilePathField': 'varchar(%(max_length)s)', - 'FloatField': 'double precision', - 'IntegerField': 'integer', - 'IPAddressField': 'char(15)', - 'NullBooleanField': 'bool', - 'OneToOneField': 'integer', - 'PhoneNumberField': 'varchar(20)', - 'PositiveIntegerField': 'integer UNSIGNED', - 'PositiveSmallIntegerField': 'smallint UNSIGNED', - 'SlugField': 'varchar(%(max_length)s)', - 'SmallIntegerField': 'smallint', - 'TextField': 'longtext', - 'TimeField': 'time', - 'USStateField': 'varchar(2)', -} diff --git a/django/db/backends/mysql_old/introspection.py b/django/db/backends/mysql_old/introspection.py deleted file mode 100644 index b910774b95..0000000000 --- a/django/db/backends/mysql_old/introspection.py +++ /dev/null @@ -1,96 +0,0 @@ -from django.db.backends.mysql_old.base import DatabaseOperations -from MySQLdb import ProgrammingError, OperationalError -from MySQLdb.constants import FIELD_TYPE -import re - -quote_name = DatabaseOperations().quote_name -foreign_key_re = re.compile(r"\sCONSTRAINT `[^`]*` FOREIGN KEY \(`([^`]*)`\) REFERENCES `([^`]*)` \(`([^`]*)`\)") - -def get_table_list(cursor): - "Returns a list of table names in the current database." - cursor.execute("SHOW TABLES") - return [row[0] for row in cursor.fetchall()] - -def get_table_description(cursor, table_name): - "Returns a description of the table, with the DB-API cursor.description interface." - cursor.execute("SELECT * FROM %s LIMIT 1" % quote_name(table_name)) - return cursor.description - -def _name_to_index(cursor, table_name): - """ - Returns a dictionary of {field_name: field_index} for the given table. - Indexes are 0-based. - """ - return dict([(d[0], i) for i, d in enumerate(get_table_description(cursor, table_name))]) - -def get_relations(cursor, table_name): - """ - Returns a dictionary of {field_index: (field_index_other_table, other_table)} - representing all relationships to the given table. Indexes are 0-based. - """ - my_field_dict = _name_to_index(cursor, table_name) - constraints = [] - relations = {} - try: - # This should work for MySQL 5.0. - cursor.execute(""" - SELECT column_name, referenced_table_name, referenced_column_name - FROM information_schema.key_column_usage - WHERE table_name = %s - AND table_schema = DATABASE() - AND referenced_table_name IS NOT NULL - AND referenced_column_name IS NOT NULL""", [table_name]) - constraints.extend(cursor.fetchall()) - except (ProgrammingError, OperationalError): - # Fall back to "SHOW CREATE TABLE", for previous MySQL versions. - # Go through all constraints and save the equal matches. - cursor.execute("SHOW CREATE TABLE %s" % quote_name(table_name)) - for row in cursor.fetchall(): - pos = 0 - while True: - match = foreign_key_re.search(row[1], pos) - if match == None: - break - pos = match.end() - constraints.append(match.groups()) - - for my_fieldname, other_table, other_field in constraints: - other_field_index = _name_to_index(cursor, other_table)[other_field] - my_field_index = my_field_dict[my_fieldname] - relations[my_field_index] = (other_field_index, other_table) - - return relations - -def get_indexes(cursor, table_name): - """ - Returns a dictionary of fieldname -> infodict for the given table, - where each infodict is in the format: - {'primary_key': boolean representing whether it's the primary key, - 'unique': boolean representing whether it's a unique index} - """ - cursor.execute("SHOW INDEX FROM %s" % quote_name(table_name)) - indexes = {} - for row in cursor.fetchall(): - indexes[row[4]] = {'primary_key': (row[2] == 'PRIMARY'), 'unique': not bool(row[1])} - return indexes - -DATA_TYPES_REVERSE = { - FIELD_TYPE.BLOB: 'TextField', - FIELD_TYPE.CHAR: 'CharField', - FIELD_TYPE.DECIMAL: 'DecimalField', - FIELD_TYPE.DATE: 'DateField', - FIELD_TYPE.DATETIME: 'DateTimeField', - FIELD_TYPE.DOUBLE: 'FloatField', - FIELD_TYPE.FLOAT: 'FloatField', - FIELD_TYPE.INT24: 'IntegerField', - FIELD_TYPE.LONG: 'IntegerField', - FIELD_TYPE.LONGLONG: 'IntegerField', - FIELD_TYPE.SHORT: 'IntegerField', - FIELD_TYPE.STRING: 'TextField', - FIELD_TYPE.TIMESTAMP: 'DateTimeField', - FIELD_TYPE.TINY: 'IntegerField', - FIELD_TYPE.TINY_BLOB: 'TextField', - FIELD_TYPE.MEDIUM_BLOB: 'TextField', - FIELD_TYPE.LONG_BLOB: 'TextField', - FIELD_TYPE.VAR_STRING: 'CharField', -} diff --git a/django/test/utils.py b/django/test/utils.py index 41de932964..03f40a8df7 100644 --- a/django/test/utils.py +++ b/django/test/utils.py @@ -140,7 +140,6 @@ def create_test_db(verbosity=1, autoclobber=False): 'postgresql': get_postgresql_create_suffix, 'postgresql_psycopg2': get_postgresql_create_suffix, 'mysql': get_mysql_create_suffix, - 'mysql_old': get_mysql_create_suffix, }.get(settings.DATABASE_ENGINE, lambda: '')() if settings.TEST_DATABASE_NAME: TEST_DATABASE_NAME = settings.TEST_DATABASE_NAME diff --git a/docs/settings.txt b/docs/settings.txt index d7715714d3..67e3770798 100644 --- a/docs/settings.txt +++ b/docs/settings.txt @@ -278,8 +278,8 @@ DATABASE_ENGINE Default: ``''`` (Empty string) The database backend to use. The build-in database backends are -``'postgresql_psycopg2'``, ``'postgresql'``, ``'mysql'``, ``'mysql_old'``, -``'sqlite3'``, and ``'oracle'``. +``'postgresql_psycopg2'``, ``'postgresql'``, ``'mysql'``, ``'sqlite3'``, and +``'oracle'``. In the Django development version, you can use a database backend that doesn't ship with Django by setting ``DATABASE_ENGINE`` to a fully-qualified path (i.e. @@ -1029,7 +1029,7 @@ The character set encoding used to create the test database. The value of this string is passed directly through to the database, so its format is backend-specific. -Supported for the PostgreSQL_ (``postgresql``, ``postgresql_psycopg2``) and MySQL_ (``mysql``, ``mysql_old``) backends. +Supported for the PostgreSQL_ (``postgresql``, ``postgresql_psycopg2``) and MySQL_ (``mysql``) backends. .. _PostgreSQL: http://www.postgresql.org/docs/8.2/static/multibyte.html .. _MySQL: http://www.mysql.org/doc/refman/5.0/en/charset-database.html @@ -1044,8 +1044,8 @@ Default: ``None`` The collation order to use when creating the test database. This value is passed directly to the backend, so its format is backend-specific. -Only supported for ``mysql`` and ``mysql_old`` backends (see `section 10.3.2`_ -of the MySQL manual for details). +Only supported for the ``mysql`` backend (see `section 10.3.2`_ of the MySQL +manual for details). .. _section 10.3.2: http://www.mysql.org/doc/refman/5.0/en/charset-database.html diff --git a/tests/modeltests/fixtures/models.py b/tests/modeltests/fixtures/models.py index 5b53115733..8f8893ac88 100644 --- a/tests/modeltests/fixtures/models.py +++ b/tests/modeltests/fixtures/models.py @@ -58,7 +58,7 @@ __test__ = {'API_TESTS': """ # Database flushing does not work on MySQL with the default storage engine # because it requires transaction support. -if settings.DATABASE_ENGINE not in ('mysql', 'mysql_old'): +if settings.DATABASE_ENGINE != 'mysql': __test__['API_TESTS'] += \ """ # Reset the database representation of this app. This will delete all data. diff --git a/tests/modeltests/lookup/models.py b/tests/modeltests/lookup/models.py index 7a53e93aec..3261a678d6 100644 --- a/tests/modeltests/lookup/models.py +++ b/tests/modeltests/lookup/models.py @@ -380,7 +380,7 @@ FieldError: Join on field 'headline' not permitted. """} -if settings.DATABASE_ENGINE not in ('mysql', 'mysql_old'): +if settings.DATABASE_ENGINE != 'mysql': __test__['API_TESTS'] += r""" # grouping and backreferences >>> Article.objects.filter(headline__regex=r'b(.).*b\1') diff --git a/tests/modeltests/transactions/models.py b/tests/modeltests/transactions/models.py index a3222cd511..06d21bbdd4 100644 --- a/tests/modeltests/transactions/models.py +++ b/tests/modeltests/transactions/models.py @@ -25,7 +25,7 @@ from django.conf import settings building_docs = getattr(settings, 'BUILDING_DOCS', False) -if building_docs or settings.DATABASE_ENGINE not in ('mysql', 'mysql_old'): +if building_docs or settings.DATABASE_ENGINE != 'mysql': __test__['API_TESTS'] += """ # the default behavior is to autocommit after each save() action >>> def create_a_reporter_then_fail(first, last):