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Python Server.disable_foreign_key_checks方法代碼示例

本文整理匯總了Python中mysql.utilities.common.server.Server.disable_foreign_key_checks方法的典型用法代碼示例。如果您正苦於以下問題:Python Server.disable_foreign_key_checks方法的具體用法?Python Server.disable_foreign_key_checks怎麽用?Python Server.disable_foreign_key_checks使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在mysql.utilities.common.server.Server的用法示例。


在下文中一共展示了Server.disable_foreign_key_checks方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: _bulk_insert

# 需要導入模塊: from mysql.utilities.common.server import Server [as 別名]
# 或者: from mysql.utilities.common.server.Server import disable_foreign_key_checks [as 別名]
    def _bulk_insert(self, rows, new_db, destination=None):
        """Import data using bulk insert

        Reads data from a table and builds group INSERT statements for writing
        to the destination server specified (new_db.name).

        This method is designed to be used in a thread for parallel inserts.
        As such, it requires its own connection to the destination server.

        Note: This method does not print any information to stdout.

        rows[in]           a list of rows to process
        new_db[in]         new database name
        destination[in]    the destination server
        """

        from mysql.utilities.common.lock import Lock
        from mysql.utilities.common.server import Server

        if self.dest_vals is None:
            self.dest_vals = self.get_dest_values(destination)

        # Spawn a new connection
        server_options = {
            'conn_info' : self.dest_vals,
            'role'      : "thread",
        }
        dest = Server(server_options)
        dest.connect()

        # Issue the write lock
        lock_list = [("`%s`.`%s`" % (new_db, self.tbl_name), 'WRITE')]
        my_lock = Lock(dest, lock_list, {'locking':'lock-all',})
                    
        # First, turn off foreign keys if turned on
        dest.disable_foreign_key_checks(True)

        if self.column_format is None:
            self.get_column_metadata()

        data_lists = self.make_bulk_insert(rows, new_db)
        insert_data = data_lists[0]
        blob_data = data_lists[1]

        # Insert the data first
        for data_insert in insert_data:
            try:
                res = dest.exec_query(data_insert, self.query_options)
            except UtilError, e:
                raise UtilError("Problem inserting data. "
                                     "Error = %s" % e.errmsg)
開發者ID:dannykopping,項目名稱:deploi,代碼行數:53,代碼來源:table.py


注:本文中的mysql.utilities.common.server.Server.disable_foreign_key_checks方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。