Close this :class:`.Connection`. This results in a release of the underlying database resources, that is, the DBAPI connection refere

Given a value, coerce it into the target type. Can be overridden by custom subclasses to coerce incoming data into a particular type.

Issue a ``DROP`` statement for this :class:`.Table`, using the given :class:`.Connectable` for connectivity. .. seealso::

Return the default value if the requested data doesn't exist. If `type` is provided and is a callable it should convert the value, ret

facade to attributes.get_state_history(), including caching of results.

Generate HTML attribute syntax from inputted keyword arguments. The output value is sorted by the passed keys, to provide consistent output

Delegate a log call to the underlying logger. The level here is determined by the echo flag as well as that of the underlying logger,

Validate value. If value is valid, returns `True` and `False` otherwise. :param value: Value to

Produce a :func:`~.expression.between` clause against the parent object, given the lower and upper range.

Get the position of an entry or return -1. :param key: The key to be looked up.

A user-modifiable dictionary. The initial value of this dictioanry can be populated using the ``info`` argument to the :class:`.Sessi

Loads a template. This method looks up the template in the cache or loads one by calling :meth:`get_source`. Subclasses should not o

Parse a ``Content-Type`` like header into a tuple with the content type and the options: >>> parse_options_header('text/html; charset=utf8')

Translate url attributes into a dictionary of connection arguments. Returns attributes of this url (`host`, `database`, `username`, `

Parses a URL from a string into a :class:`URL` tuple. If the URL is lacking a scheme it can be provided as second argument. Otherwise, it is

Construct a REAL. :param precision: Total digits in this number. If scale and precision are both None, values are stored to limits

test literal rendering

Add a new header tuple to the list. Keyword arguments can specify additional parameters for the header value, with underscores conver

Return a new property object for a cache header. Useful if you want to add support for a cache extension in a subclass.

Return a shallow copy of the instance.

Add the items to the instance of the environment if they do not exist yet. This is used by :ref:`extensions <writing-extensions>` to register

Return a human-readable column name. :param field: Model field name.

Removes and returns a key or index. :param key: The key to be popped. If this is an integer the item at that position is

Return the value of the ``quote`` flag passed to this schema object, for those schema items which have a ``name`` field.

Quote an identifier. Subclasses should override this to provide database-dependent quoting behavior.

Constructor for :class:`~.schema.Table`. This method is a no-op. See the top-level documentation for :class:`~.schema.Table`

Extend a string-type declaration with standard SQL CHARACTER SET / COLLATE annotations and MySQL specific extensions.

Return prettified URL :param endpoint: Endpoint name :param path: Directory path

Binds the application only. For as long as the application is bound to the current context the :data:`flask.current_app` points to that

Return a DBAPI connection from the pool. The connection is instrumented such that when its ``close()`` method is called, the connecti

Return a :class:`.Connection` object which may be part of some ongoing context. By default, this method does the same thing as :meth:

target dialect supports representation of Python datetime.datetime() objects.

Convert the characters &, <, >, ' and " in string s to HTML-safe sequences. Use this if you need to display text that might contain such char

Info dictionary associated with the underlying DBAPI connection referred to by this :class:`.ConnectionFairy`, allowing user-defined d

Iterates over all direct child nodes of the node. This iterates over all fields and yields the values of they are nodes. If the value

If any of the :attr:`tags` matched this method is called with the parser as first argument. The token the parser stream is pointing at

Looks up a variable like `__getitem__` or `get` but returns an :class:`Undefined` object with the name of the name looked up.

The reverse operation to :meth:`url_parse`. This accepts arbitrary as well as :class:`URL` tuples and returns a URL as a string. :param comp

Construct a new field. :param label: The label of the field. :param validators: A sequence of valida

Remove the given attribute and any callables associated with it.

Converts the class into an actual view function that can be used with the routing system. Internally this generates a function on the

target dialect supports representation of Python datetime.date() objects.

Set non-SQL options which take effect during execution. The options are the same as those accepted by :meth:`.Connection.execution_o