sample clause

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@982 b9813039-fb51-4c41-a8b9-e21c2acb5095

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

@@ -541,7 +541,7 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
         }
 
         if (x.getSampleClause() != null) {
-            print(" ");
+            println();
             x.getSampleClause().accept(this);
         }
 

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

@@ -0,0 +1,42 @@
+package com.alibaba.druid.bvt.sql.oracle;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.sql.test.TestUtils;
+
+public class OracleSampleClauseTest extends TestCase {
+
+    public void test_0() throws Exception {
+        String sql = "SELECT COUNT(*) * 10 FROM orders SAMPLE (10);";
+
+        String expected = "SELECT COUNT(*) * 10\n" + "FROM orders\n" + "SAMPLE (10);\n";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
+
+        String text = TestUtils.outputOracle(stmt);
+
+        Assert.assertEquals(expected, text);
+
+        System.out.println(text);
+    }
+    
+    public void test_1() throws Exception {
+        String sql = "SELECT COUNT(*) * 10 FROM orders SAMPLE (10) SEED (1);";
+        
+        String expected = "SELECT COUNT(*) * 10\n" + "FROM orders\n" + "SAMPLE (10) SEED (1);\n";
+        
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
+        
+        String text = TestUtils.outputOracle(stmt);
+        
+        Assert.assertEquals(expected, text);
+        
+        System.out.println(text);
+    }
+
+}