/*
 * Copyright 1999-2017 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.mysql.createTable;

import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import org.junit.Assert;
import org.junit.Test;

public class MySqlCreateTableTest56 extends MysqlTest {
    @Test
    public void test_union() throws Exception {
        String sql = "CREATE TABLE tableA (datasn varchar(100) NOT NULL,PRIMARY KEY(datasn)) ENGINE=MRG_MyISAM DEFAULT CHARSET=utf8 UNION=(tableB,tableC)";

        MySqlStatementParser parser = new MySqlStatementParser(sql);
        SQLStatement stmt = parser.parseCreateTable();

        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
        stmt.accept(visitor);

//        System.out.println("Tables : " + visitor.getTables());
//        System.out.println("fields : " + visitor.getColumns());
//        System.out.println("coditions : " + visitor.getConditions());

        Assert.assertEquals(3, visitor.getTables().size());
        Assert.assertEquals(1, visitor.getColumns().size());
        Assert.assertEquals(0, visitor.getConditions().size());

        {
            String output = SQLUtils.toMySqlString(stmt);
            Assert.assertEquals("CREATE TABLE tableA (" //
                    + "\n\tdatasn varchar(100) NOT NULL," //
                    + "\n\tPRIMARY KEY (datasn)" //
                    + "\n) ENGINE = MRG_MyISAM CHARSET = utf8 UNION = (tableB, tableC)", output);
        }
        {
            String output = SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
            Assert.assertEquals("create table tableA (" //
                    + "\n\tdatasn varchar(100) not null," //
                    + "\n\tprimary key (datasn)" //
                    + "\n) engine = MRG_MyISAM charset = utf8 union = (tableB, tableC)", output);
        }
    }
}
