enhance sql server parser

2023-03-04 19:17:16 +00:00 · 2012-03-18 21:43:03 +08:00
parent 07860f72b6
commit 01a8023dcb
10 changed files with 137 additions and 6 deletions
@@ -0,0 +1,31 @@
+package com.alibaba.druid.bvt.sql.sqlserver;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
+import com.alibaba.druid.sql.test.TestUtils;
+
+public class SQLServerSelectTest2 extends TestCase {
+
+    public void test_isEmpty() throws Exception {
+        String sql = "SELECT TOP 1 name FROM (SELECT TOP 9 name FROM master..syslogins ORDER BY name ASC) sq ORDER BY name DESC ";
+
+        String expect = "SELECT TOP 1 name\n" + //
+                        "FROM (SELECT TOP 9 name\n" + //
+                        "\tFROM master..syslogins\n" + //
+                        "\tORDER BY name ASC\n" + //
+                        "\t) sq\n" + //
+                        "ORDER BY name DESC";
+
+        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
+        SQLStatement stmt = parser.parseStatementList().get(0);
+
+        String text = TestUtils.outputSqlServer(stmt);
+
+        Assert.assertEquals(expect, text);
+
+        System.out.println(text);
+    }
+}