/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.metamodel.dialects;
import junit.framework.TestCase;
import org.apache.metamodel.jdbc.dialects.IQueryRewriter;
import org.apache.metamodel.jdbc.dialects.SQLServerQueryRewriter;
import org.apache.metamodel.query.FromItem;
import org.apache.metamodel.query.Query;
import org.apache.metamodel.schema.MutableColumn;
import org.apache.metamodel.schema.MutableSchema;
import org.apache.metamodel.schema.MutableTable;
public class SQLServerQueryRewriterTest extends TestCase {
private MutableTable table;
private MutableColumn column;
private IQueryRewriter qr = new SQLServerQueryRewriter(null);
@Override
protected void setUp() throws Exception {
super.setUp();
table = new MutableTable("foo");
table.setSchema(new MutableSchema("MY_SCHEMA"));
table.setQuote("\"");
column = new MutableColumn("bar");
column.setQuote("\"");
column.setTable(table);
}
public void testRewriteFromItem() throws Exception {
assertEquals("foo",
qr.rewriteFromItem(new FromItem(new MutableTable("foo"))));
}
public void testAliasing() throws Exception {
Query q = new Query().from(table).select(column);
assertEquals("SELECT MY_SCHEMA.\"foo\".\"bar\" FROM MY_SCHEMA.\"foo\"",
qr.rewriteQuery(q));
}
public void testSelectMaxRowsRewriting() throws Exception {
Query q = new Query().from(table).select(column).setMaxRows(20);
assertEquals(
"SELECT TOP 20 MY_SCHEMA.\"foo\".\"bar\" FROM MY_SCHEMA.\"foo\"",
qr.rewriteQuery(q));
}
}