concepts.dm.crow.planners.regression_dependency.RegressionDependencyGraph

class RegressionDependencyGraph

Bases: object

Methods

add_node(node)
connect(x, y)	Connect two nodes in the dependency graph.
print([i, indent_level])
render_graphviz([filename])
sort_nodes_into_levels()

Attributes

nodes
node2index
edges

__init__(scopes)

Parameters:

scopes (Dict[int, dict])

__new__(**kwargs)

add_node(node)

Parameters:

node (RegressionTraceStatement)

Return type:

RegressionDependencyGraph

connect(x, y)

Connect two nodes in the dependency graph. x is the “parent” of y.

Parameters:

• x (RegressionTraceStatement) – the parent node.

• y (RegressionTraceStatement) – the child node.

Return type:

RegressionDependencyGraph

print(i=0, indent_level=0)

Parameters:

• i (int)

• indent_level (int)

Return type:

None

render_graphviz(filename=None)

Parameters:

filename (str | None)

Return type:

None

sort_nodes_into_levels()

edges: Dict[RegressionTraceStatement, List[int]]

node2index: Dict[RegressionTraceStatement, int]

nodes: List[RegressionTraceStatement]