com.alibaba.druid.sql.oracle.demo.OracleResourceTest2.java Source code

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/*
 * 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.sql.oracle.demo;

import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import org.apache.commons.io.FileUtils;
import org.junit.Assert;

import java.io.File;
import java.util.List;

public class OracleResourceTest2 extends OracleTest {

    public void test_0() throws Exception {
        File file = new File("/Users/wenshao/Downloads/ff.sql");

        String sql = FileUtils.readFileToString(file);

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

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

        System.out.println(sql);

        print(statementList);

        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();

        for (int i = 0, size = statementList.size(); i < size; ++i) {
            SQLStatement statement = statementList.get(i);
            statement.accept(visitor);
        }

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

        System.out.println();
        System.out.println();
    }

    void mergValidate(String sql, String expect) {

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

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

        StringBuilder out = new StringBuilder();
        MySqlOutputVisitor visitor = new MySqlOutputVisitor(out, true);
        statemen.accept(visitor);

        System.out.println(out.toString());

        Assert.assertEquals(expect, out.toString());
    }

}