Oracle支持Sample Clause

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@149 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/visitor/OracleOutputVisitor.java

@@ -1468,8 +1468,9 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
         print(")");
         
         if (x.getSeedValue() != null) {
-            print(" SEED ");
+            print(" SEED (");
             x.getSeedValue().accept(this);
+            print(")");
         }
        
         return false;

src/test/java/com/alibaba/druid/sql/oracle/bvt/OracleSQLParserResourceTest.java

@@ -24,6 +24,7 @@ public class OracleSQLParserResourceTest extends TestCase {
         exec_test("bvt/parser/oracle-5.txt");
         //exec_test("bvt/parser/oracle-6.txt"); PARTITION
         exec_test("bvt/parser/oracle-7.txt");
+        exec_test("bvt/parser/oracle-8.txt");
     }
     
     

src/test/resources/bvt/parser/oracle-8.txt

@@ -0,0 +1,4 @@
+SELECT COUNT(*) * 10 FROM orders SAMPLE(10) SEED (1);
+---------------------------
+SELECT COUNT(*) * 10
+FROM orders SAMPLE (10) SEED (1);