improve ddl parser

src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.sqlserver;
+
+import java.util.List;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.ast.statement.SQLCreateViewStatement;
+import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
+import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+
+public class SQLServerCreateTableTest extends TestCase {
+
+    public void test_0() throws Exception {
+        String sql = "CREATE VIEW [Current Product List] AS\n" + //
+                     "SELECT ProductID,ProductName\n" + //
+                     "FROM Products\n" + //
+                     "WHERE Discontinued=No";
+
+        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLCreateViewStatement stmt = (SQLCreateViewStatement) statementList.get(0);
+
+        Assert.assertEquals(1, statementList.size());
+
+        SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(4, visitor.getColumns().size());
+        Assert.assertEquals(2, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("Products")));
+
+        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductID")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductName")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "Discontinued")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "No")));
+    }
+}