Data processing method and device, electronic equipment and medium

The invention provides a data processing method and device, equipment, a storage medium and a program product, relates to the technical field of computers, and can be applied to the technical field of finance. The method comprises the steps of determining whether a log corresponding to transaction data changes within a predetermined time period based on a streaming processing engine; generating a message queue according to the changed log information under the condition that the log corresponding to the transaction data is determined to change in the preset time period; determining a first transaction code according to the log information in the message queue; traversing and retrieving a data structure in which a preset second transaction code is stored, and determining whether the second transaction code matched with the first transaction code exists in the data structure; and under the condition of determining that the second transaction code matched with the first transaction code exists in the data struct