問題

import psycopg2 # 數(shù)據(jù)庫連接參數(shù) conn = psycopg2.connect(database="xxx", user="xx", password="xxx", host="192.168.1.2", port="5432") cur = conn.cursor() cur.execute("SELECT * FROM test;") rows = cur.fetchall() # all rows in table print(rows) for i in rows:print(i) conn.commit() cur.close() conn.close()

通過psycopg2，調(diào)用數(shù)據(jù)的時(shí)候報(bào)錯(cuò)psycopg2.errors.InFailedSqlTransaction: current transaction is aborted, comm

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原因

暫不明確

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解決方案

改為下面的代碼就正常訪問到了數(shù)據(jù)庫信息

import psycopg2try:connection = psycopg2.connect(user="xxx",password="xx@#29",host="127.0.0.1",port="5432",database="xxx")cursor = connection.cursor()postgreSQL_select_Query = "select * from xxx"cursor.execute(postgreSQL_select_Query)mobile_records = cursor.fetchall() for row in mobile_records:print("Id = ", row[0], )print("Model = ", row[1])print("Price = ", row[2], "\n")except (Exception, psycopg2.Error) as error :print ("Error while fetching data from PostgreSQL", error)finally:#closing database connection.if(connection):cursor.close()connection.close()print("PostgreSQL connection is closed")

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