cycquery.ops.Count

class Count(col)

Bases: QueryOp

Count the number of rows.

Parameters:

col (str) – Column to count.

Examples

>>> Count("person_id")(table)

Methods

__call__(table)

Process the table.

Parameters:

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

• col – Column to count.

Returns:

Processed table.

Return type:

sqlalchemy.sql.selectable.Subquery