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fix(sql_database): related to #2020 (#2021)

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Fixed https://github.com/hwchase17/langchain/issues/2020

Co-authored-by: qianjun.wqj <qianjun.wqj@alibaba-inc.com>
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Clark 2023-03-28 14:45:50 +08:00 committed by GitHub
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langchain/sql_database.py
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@ -124,7 +124,7 @@ class SQLDatabase:
if self._sample_rows_in_table_info: if self._sample_rows_in_table_info:
# build the select command # build the select command
command = select(table).limit(self._sample_rows_in_table_info) command = select([table]).limit(self._sample_rows_in_table_info)
# save the columns in string format # save the columns in string format
columns_str = "\t".join([col.name for col in table.columns]) columns_str = "\t".join([col.name for col in table.columns])