PolarDB-X SQL (MySQL Compatibility Focus) Write, review, and adapt SQL for PolarDB-X 2.0 Enterprise Edition (Distributed Edition) AUTO mode databases, avoiding the "runs on MySQL but fails on PolarDB-X" problem. Architecture : PolarDB-X 2.0 Enterprise Edition (CN compute nodes + DN storage nodes + GMS metadata service + CDC log nodes) + AUTO mode database Scope : - PolarDB-X 2.0 Enterprise Edition (also known as Distributed Edition) + AUTO mode database Not applicable to: - PolarDB-X 1.0 (DRDS 1.0) - PolarDB-X 2.0 Standard Edition - PolarDB-X 2.0 Enterprise Edition DRDS mode databases Key dif…