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This class encapsulates all backend-specific differences that pertain to
database *creation*, such as the column types to use for particular Django
Fields, the SQL used to create and destroy tables, and the creation and
destruction of test databases.
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Generates a 32-bit digest of a set of arguments that can be used to
shorten identifying names.
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Returns the SQL required to create a single model, as a tuple of:
(list_of_sql, pending_references_dict)
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quote_namet local_fieldst db_typet
db_tablespacet Nonet SQL_FIELDt columnt SQL_COLTYPEt nullt empty_strings_allowedt primary_keyt featurest! interprets_empty_strings_as_nullst Truet appendt SQL_KEYWORDt uniquet tablespace_sqlt relt
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ref_outputt pendingt field_constraintst full_statementt it linet auto_columnRA t stmt( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyt sql_create_model( s|
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Return the SQL snippet defining the foreign key reference for a field.
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Returns any ALTER TABLE statements to add constraints after the fact.
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Returns the CREATE INDEX SQL statements for a single model.
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Return the CREATE INDEX SQL statements for a single model field.
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index_name( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyRj � s
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Return the DROP TABLE and restraint dropping statements for a single
model.
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Returns the DROP INDEX SQL statements for a single model.
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Return the DROP INDEX SQL statements for a single model field.
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Creates a test database, prompting the user for confirmation if the
database already exists. Returns the name of the test database created.
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settings_dictt maxRZ t django.core.cacheR� t django.core.cache.backends.dbR� t CACHESt
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R R~ t autoclobberR{ t test_database_namet test_db_reprR� R� t cache_aliast cache( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyt create_test_db5 s<
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Internal implementation - returns the name of the test DB that will be
created. Only useful when called from create_test_db() and
_create_test_db() and when no external munging is done with the 'NAME'
or 'TEST_NAME' settings.
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Internal implementation - creates the test db tables.
s CREATE DATABASE %s %ss, Got an error creating the test database: %s
sX Type 'yes' if you would like to try deleting the test database '%s', or 'no' to cancel: t yesi s$ Destroying old test database '%s'...s DROP DATABASE %ss. Got an error recreating the test database: %s
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Destroy a test database, prompting the user for confirmation if the
database already exists.
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R R� R� R� t copyR t DatabaseWrapperRZ t creationt _destroy_test_db( R t old_database_nameR~ R� R� R� t backendt new_connection( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyt destroy_test_db� s
c C sM | j j � } t j d � | j d | j j j | � � | j j � d S( sF
Internal implementation - remove the test db tables.
i s DROP DATABASE %sN( R R� t timet sleepR� R R R� ( R R� R~ R� ( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyR� � s
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Make sure a connection is in autocommit mode. - Deprecated, not used
anymore by Django code. Kept for compatibility with user code that
might use it.
sJ set_autocommit was moved from BaseDatabaseCreation to BaseDatabaseWrapper.t
stackleveli ( t warningst warnt PendingDeprecationWarningR t set_autocommitR+ ( R ( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyR� � s
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SQL to append to the end of the test table creation statements.
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Returns a tuple with elements of self.connection.settings_dict (a
DATABASES setting value) that uniquely identify a database
accordingly to the RDBMS particularities.
t HOSTt PORTR� R| ( R R� ( R R� ( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyt test_db_signature� s
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data_typesR R t setRV R2 Rf Rm Rg Rj Rv Rr Rz Rx Ry RZ R� R� R� R� R� R� R� R� ( ( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyR s.
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R� R� R� t django.confR t django.db.utilsR t django.utils.encodingR t django.utils.six.movesR t utilR R� t objectR ( ( ( s= /tmp/pip-install-XxeQeY/django/django/db/backends/creation.pyt <module> s