delex.lang package

Subpackages

Submodules

delex.lang.program module

class delex.lang.program.BlockingProgram(keep_rules: List[KeepRule], drop_rules: List[DropRule])

Bases: object

a blocking program that can be turned into an execution plan

Methods

pretty_str()

create a pretty string of the entire blocking program

validate
drop_rules: List[DropRule]
keep_rules: List[KeepRule]
pretty_str() → str

create a pretty string of the entire blocking program

validate()

delex.lang.rule module

class delex.lang.rule.DropRule(predicates: List[Predicate])

Bases: Rule

a drop rule for a blocking program

Methods

contains(other)

return True if self logically contains other else False.

pretty_str()

format the rule into a pretty string

validate()

check that all the predicates in this rule are streamable if not raise RuntimeError
validate()

check that all the predicates in this rule are streamable if not raise RuntimeError

class delex.lang.rule.KeepRule(predicates: List[Predicate])

Bases: Rule

a keep rule for a blocking program

Methods

contains(other)

return True if self logically contains other else False.

pretty_str()

format the rule into a pretty string

validate()

check that this rule has at least one indexable predicate if not raise RuntimeError
validate()

check that this rule has at least one indexable predicate if not raise RuntimeError

class delex.lang.rule.Rule(predicates: List[Predicate])

Bases: object

base class for a DropRule or KeepRule

Methods

contains(other)

return True if self logically contains other else False.

pretty_str()

format the rule into a pretty string
contains(other)

return True if self logically contains other else False. That is, for any given set of record pairs C, self(C) is a superset of other(C)

predicates: List[Predicate]
pretty_str() → str

format the rule into a pretty string

Module contents