QueryTransformer#

class langchain.chains.query_constructor.parser.QueryTransformer(*args: Any, allowed_comparators: Sequence[Comparator] | None = None, allowed_operators: Sequence[Operator] | None = None, allowed_attributes: Sequence[str] | None = None, **kwargs: Any)[source]#

Transform a query string into an intermediate representation.

Methods

__init__(*args[, allowed_comparators, ...])
args(*items)
date(item)
datetime(item)
false()
float(item)
func_call(func_name, args)
int(item)
list(item)
program(*items)
string(item)
transform(tree)	Transform the given tree, and return the final result
true()

Parameters:

• args (Any)

• allowed_comparators (Sequence[Comparator] | None)

• allowed_operators (Sequence[Operator] | None)

• allowed_attributes (Sequence[str] | None)

• kwargs (Any)

__init__(*args: Any, allowed_comparators: Sequence[Comparator] | None = None, allowed_operators: Sequence[Operator] | None = None, allowed_attributes: Sequence[str] | None = None, **kwargs: Any)[source]#

Parameters:

• args (Any)

• allowed_comparators (Sequence[Comparator] | None)

• allowed_operators (Sequence[Operator] | None)

• allowed_attributes (Sequence[str] | None)

• kwargs (Any)

args(*items: Any) → tuple[source]#

Parameters:

items (Any)

Return type:

tuple

date(item: Any) → ISO8601Date[source]#

Parameters:

item (Any)

Return type:

ISO8601Date

datetime(item: Any) → ISO8601DateTime[source]#

Parameters:

item (Any)

Return type:

ISO8601DateTime

false() → bool[source]#

Return type:

bool

float(item: Any) → float[source]#

Parameters:

item (Any)

Return type:

float

func_call(func_name: Any, args: list) → FilterDirective[source]#

Parameters:

• func_name (Any)

• args (list)

Return type:

FilterDirective

int(item: Any) → int[source]#

Parameters:

item (Any)

Return type:

int

list(item: Any) → list[source]#

Parameters:

item (Any)

Return type:

list

program(*items: Any) → tuple[source]#

Parameters:

items (Any)

Return type:

tuple

string(item: Any) → str[source]#

Parameters:

item (Any)

Return type:

str

transform(tree: Tree[_Leaf_T]) → _Return_T#

Transform the given tree, and return the final result

Parameters:

tree (Tree[_Leaf_T])

Return type:

_Return_T

true() → bool[source]#

Return type:

bool