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import sys
from agate.data_types import Text
def print_structure(self, output=sys.stdout, max_rows=None):
"""
Print this table's column names and types as a plain-text table.
:param output:
The output to print to.
"""
from agate.table import Table
name_column = [n for n in self._column_names]
type_column = [t.__class__.__name__ for t in self._column_types]
rows = zip(name_column, type_column)
column_names = ['column', 'data_type']
text = Text()
column_types = [text, text]
table = Table(rows, column_names, column_types)
return table.print_table(output=output, max_column_width=None, max_rows=max_rows)
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