/*
 * 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.DbType;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.sql.repository.SchemaRepository;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;

import java.util.List;

public class OracleSelectTest106 extends OracleTest {
    public void test_0() throws Exception {
        String sql = //
                "select * from a join b on a.id = b.aid where a.cid = 1";

        System.out.println(sql);

        OracleStatementParser parser = new OracleStatementParser(sql);
        List<SQLStatement> statementList = parser.parseStatementList();
        SQLSelectStatement stmt = (SQLSelectStatement) statementList.get(0);
        System.out.println(stmt.toString());

        assertEquals(1, statementList.size());

        SchemaRepository repository = new SchemaRepository(DbType.oracle);
        repository.resolve(stmt);

        SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(DbType.oracle);
        stmt.accept(visitor);

        TableStat.Column cid = visitor.getColumn("a", "cid");
        assertNotNull(cid);
        assertTrue(cid.isWhere());

        TableStat.Condition condition = visitor.getConditions().get(2);
        assertTrue(condition.getColumn().isWhere());
        assertSame(cid, condition.getColumn());

        {
            String text = SQLUtils.toOracleString(stmt);

            assertEquals("SELECT *\n" +
                    "FROM a\n" +
                    "\tJOIN b ON a.id = b.aid \n" +
                    "WHERE a.cid = 1", text);
        }

        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());

        assertEquals(2, visitor.getTables().size());
        assertEquals(5, visitor.getColumns().size());
        assertEquals(3, visitor.getConditions().size());
        assertEquals(1, visitor.getRelationships().size());
        assertEquals(0, visitor.getOrderByColumns().size());


    }


}
