improve sql parser

src/main/java/com/alibaba/druid/sql/parser/SQLParser.java

@@ -101,6 +101,7 @@ public class SQLParser {
                     case DISABLE:
                     case SEQUENCE:
                     case USER:
+                    case ANALYZE:
                         alias = lexer.stringVal();
                         lexer.nextToken();
                         return alias;

src/main/java/com/alibaba/druid/sql/parser/Token.java

@@ -203,6 +203,7 @@ public enum Token {
     PURGE("PURGE"),
     
     COMPUTE("COMPUTE"),
+    ANALYZE("ANALYZE"),
     
     // transact-sql
     TOP("TOP"),