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Base class for filter expression tree nodes.
Inherits From: expected_type
google.appengine.ext.ndb.Node()
Tree nodes are considered immutable, even though they can contain Parameter instances, which are not. In particular, two identical trees may be represented by the same Node object in different contexts.
Methods
resolve
resolve(
bindings, used
)
Return a Node with Parameters replaced by the selected values.
| Args | |
|---|---|
bindings
|
A dict mapping integers and strings to values. |
used
|
A dict into which use of use of a binding is recorded. |
| Returns | |
|---|---|
| A Node instance. |
__eq__
__eq__(
other
)
Return self==value.
__ge__
__ge__(
unused_other
)
__gt__
__gt__(
unused_other
)
__le__
__le__(
unused_other
)
__lt__
__lt__(
unused_other
)
__ne__
__ne__(
other
)
Return self!=value.