/*
 * 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.oracle.select;

import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import org.junit.Assert;

import java.util.List;

public class OracleSelectTest10 extends OracleTest {
    public void test_0() throws Exception {
        String sql = "SELECT * FROM pivot_table" + //
                "  UNPIVOT INCLUDE NULLS " + //
                "    (yearly_total FOR order_mode IN (store AS 'direct', internet AS 'online'))" + //
                "  ORDER BY year, order_mode;"; //

        OracleStatementParser parser = new OracleStatementParser(sql);
        List<SQLStatement> statementList = parser.parseStatementList();
        SQLStatement stmt = statementList.get(0);

        String result = SQLUtils.toOracleString(stmt);
        String result_lcase = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
        Assert.assertEquals("SELECT *\n" +
                "FROM pivot_table\n" +
                "UNPIVOT INCLUDE NULLS (yearly_total FOR order_mode IN (store AS 'direct', internet AS 'online'))\n" +
                "ORDER BY year, order_mode;", result);

        Assert.assertEquals("select *\n" +
                "from pivot_table\n" +
                "unpivot include nulls (yearly_total for order_mode in (store as 'direct', internet as 'online'))\n" +
                "order by year, order_mode;", result_lcase);

        Assert.assertEquals(1, statementList.size());

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

        System.out.println("Tables : " + visitor.getTables());
        System.out.println("fields : " + visitor.getColumns());
        System.out.println("coditions : " + visitor.getConditions());
        System.out.println("relationships : " + visitor.getRelationships());
        System.out.println("orderBy : " + visitor.getOrderByColumns());

        Assert.assertEquals(1, visitor.getTables().size());

        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("pivot_table")));

        Assert.assertEquals(3, visitor.getColumns().size());

        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "*")));
        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "YEAR")));
        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "order_mode")));
    }
}
