#14384 add db2 set terminator rule to delimiter redefiner (#15990)

plugins/org.jkiss.dbeaver.ext.db2/src/org/jkiss/dbeaver/ext/db2/DB2SQLDialect.java

@@ -152,7 +152,7 @@ public class DB2SQLDialect extends JDBCSQLDialect implements TPRuleProvider {
 
     @Override
     public String getScriptDelimiterRedefiner() {
-    	return "DELIMITER";
+    	return "--#SET TERMINATOR";
     }
 
     @Override

plugins/org.jkiss.dbeaver.model.sql/src/org/jkiss/dbeaver/model/sql/parser/SQLRuleManager.java

@@ -206,7 +206,7 @@ public class SQLRuleManager {
             if (!CommonUtils.isEmpty(delimRedefine)) {
                 final SQLSetDelimiterToken setDelimiterToken = new SQLSetDelimiterToken();
 
-                rules.add(new SQLDelimiterSetRule(delimRedefine, setDelimiterToken, delimRule));
+                rules.add(0, new SQLDelimiterSetRule(delimRedefine, setDelimiterToken, delimRule));
             }
         }