28 个场景候选
DECLARE ... HANDLER 条件处理器condition_handler · major · pendingDEFINER 定义者权限子句definer_clause · minor · pending事件调度器（CREATE EVENT / ON SCHEDULE）event_scheduler · major · pendingMySQL 兼容检查：DB2 BEGIN ATOMIComa.mysql.db2-begin-atomic · critical · professionalMySQL 兼容检查：DB2 CURSOR TYPEoma.mysql.db2-cursor-type · critical · professionalMySQL 兼容检查：DB2 EXECUTE IMMEDIATEoma.mysql.db2-execute-immediate · critical · professionalMySQL 兼容检查：DB2 EXTERNAL PROComa.mysql.db2-external-proc · critical · professionalMySQL 兼容检查：DB2 EXTERNAL SCALAR FUNComa.mysql.db2-external-scalar-func · critical · professionalMySQL 兼容检查：DB2 FOR ASoma.mysql.db2-for-as · critical · professionalMySQL 兼容检查：DB2 FUNC OPTIONoma.mysql.db2-func-option · critical · professionalMySQL 兼容检查：DB2 GET DIAGNOSTICSoma.mysql.db2-get-diagnostics · critical · professionalMySQL 兼容检查：DB2 PARAM DEFAULToma.mysql.db2-param-default · critical · professionalMySQL 兼容检查：DB2 PARAM INOUToma.mysql.db2-param-inout · critical · professionalMySQL 兼容检查：DB2 SOURCE PROComa.mysql.db2-source-proc · critical · professionalMySQL 兼容检查：DB2 SOURCED TEMPLATE FUNComa.mysql.db2-sourced-template-func · critical · professionalMySQL 兼容检查：DB2 TRIGGER INSTEAD OFoma.mysql.db2-trigger-instead-of · critical · professionalMySQL 兼容检查：DB2 TRIGGER NO CASCADEoma.mysql.db2-trigger-no-cascade · critical · professionalMySQL 兼容检查：DB2 TRIGGER REFERENCINGoma.mysql.db2-trigger-referencing · critical · professionalMySQL 兼容检查：DB2 TRIGGER SECUREDoma.mysql.db2-trigger-secured · critical · professionalMySQL 兼容检查：DB2 TRIGGER UPDATE OFoma.mysql.db2-trigger-update-of · critical · professionalMySQL 兼容检查：DB2 TRIGGER WHENoma.mysql.db2-trigger-when · critical · professionalMySQL 兼容检查：FUNC DEFINER AT SIGNoma.mysql.func-definer-at-sign · major · professionalMySQL 兼容检查：PL SYSTEM KEYWORDoma.mysql.pl-system-keyword · critical · professionalMySQL 兼容检查：PROC DEFINER AT SIGNoma.mysql.proc-definer-at-sign · major · professionalSIGNAL / RESIGNAL 抛出条件signal_resignal · major · pending存储函数（CREATE FUNCTION）stored_function · major · pending存储过程（CREATE PROCEDURE）stored_procedure · major · pending触发器（CREATE TRIGGER）trigger · major · pending