cycquery.ops.ConditionEquals

class ConditionEquals(col, value, not_=False, binarize_col=None, **cond_kwargs)

Bases: QueryOp

Filter rows based on being equal, or not equal, to some value.

Parameters:

• col (str) – Column name on which to condition.

• value (Any) – Value to equal.

• not – Take negation of condition.

• binarize_col (Optional[str]) – If specified, create a Boolean column of name binarize_col instead of filtering.

• **cond_kwargs (Any) – Optional keyword arguments for processing the condition.

Examples

>>> ConditionEquals("col1", 1)(table)
>>> ConditionEquals("col1", 1, binarize_col="col1_bool")(table)

Methods

__call__(table, return_cond=False)

Process the table.

Parameters:

• table (Union[Select, Subquery, Table, DBTable]) – Table on which to perform the operation.

• return_cond (bool) – Return the condition instead of filtering.

Returns:

Processed table.

Return type:

sqlalchemy.sql.selectable.Subquery