更新 testdb.py

d074a776 · 王晓庆 · 438849f1 · d074a776
--- a/testdb.py
+++ b/testdb.py
@@ -32,11 +32,11 @@ if __name__ == '__main__':

    # 创建数据库表
    createdb_sql = parse_sql('createdb.sql')
-    pd.read_sql(createdb_sql, conn)
+    df = pd.read_sql(createdb_sql, conn)

    # 填充数据
    seed_sql = parse_sql('seed.sql')
-    pd.read_sql(createdb_sql, conn)
+    df = pd.read_sql(createdb_sql, conn)

    # 运行学生代码
    query_sql = parse_sql('query.sql')