OracleBlockTest5.java

/*
 * 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.block;

import java.util.List;

import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.util.JdbcConstants;
import org.junit.Assert;

import com.alibaba.druid.sql.OracleTest;
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;

public class OracleBlockTest5 extends OracleTest {

    public void test_0() throws Exception {
        String sql = "declare   l_cnt number; "
                     + //
                     "begin   l_cnt := 0;"
                     + //
                     "   for c1 in (select id || '' id" +//
                     "                from escrow_trade" + //
                     "               where out_order_id in" + //
                     "                  (select out_order_id from tab_ipay_out_order_ids)" + //
                     "          ) " + //
                     "  loop" + //
                     "      update ipay_contract" + //
                     "          set is_chargeback = 'N'" + //
                     "          where out_ref = c1.id        and is_chargeback <> 'N';      l_cnt := l_cnt + 1;     if (mod(l_cnt, 200) = 0) then       commit;     end if;     dbms_application_info.set_client_info(l_cnt || ' rows updated!');   end loop;    commit; exception   when others then     raise;"
                     + "     rollback; " + //
                     "end;;";

        OracleStatementParser parser = new OracleStatementParser(sql);
        List<SQLStatement> statementList = parser.parseStatementList();
        SQLStatement stmt = statementList.get(0);
        String output = SQLUtils.toSQLString(stmt, JdbcConstants.ORACLE);
        System.out.println(output);

        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(3, visitor.getTables().size());

         Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("escrow_trade")));
         Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("tab_ipay_out_order_ids")));
         Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("ipay_contract")));

        Assert.assertEquals(7, visitor.getColumns().size());
        Assert.assertEquals(3, visitor.getConditions().size());

//         Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("departments", "department_id")));
    }
}