US Patent Issued to Beijing Volcano Engine Technology on Aug. 26 for "Method and apparatus for detecting scheduling deadlock in data query, and device" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,894, issued on Aug. 26, was assigned to Beijing Volcano Engine Technology Co. Ltd. (Beijing).

"Method and apparatus for detecting scheduling deadlock in data query, and device" was invented by Tao Wang (Beijing), Tao Meng (Beijing) and Haitao Xu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Discloses are a method for detecting a scheduling deadlock in data query. A query plan tree generated by a query statement includes a common temporary table production operator node, a common temporary table consumption operator node, and a hash join operator node. At least one right table chain in the tree is determined. Operator nodes in the right tab...