22 lines
508 B
Python
22 lines
508 B
Python
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#!/usr/bin/env python
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from agate.aggregations.base import Aggregation
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from agate.data_types import Boolean
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class HasNulls(Aggregation):
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"""
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Check if the column contains null values.
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:param column_name:
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The name of the column to check.
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"""
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def __init__(self, column_name):
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self._column_name = column_name
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def get_aggregate_data_type(self, table):
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return Boolean()
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def run(self, table):
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return None in table.columns[self._column_name].values()
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