sql = """
select column_name, data_type from information_schema.`COLUMNS`
where table_schema = '{database}' and table_name = '{table_name}'
order by ordinal_position;
""".format(database=database, table_name=table_name)
从某数据库某个表中查询字段名称及其数据类型
sql = """
select column_name, data_type from information_schema.`COLUMNS`
where table_schema = '{database}' and table_name = '{table_name}'
order by ordinal_position;
""".format(database=database, table_name=table_name)
从某数据库某个表中查询字段名称及其数据类型
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