OracleFlashbackQueryTest2.java

package com.alipay.zdal.test.ut.sqlparser.oracle;

import org.junit.Test;

import junit.framework.Assert;

import com.alipay.zdal.parser.sql.ast.statement.SQLSelectStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;


public class OracleFlashbackQueryTest2   {
@Test
    public void test_isEmpty() throws Exception {
        String sql = "SELECT salary FROM employees\n"
                     + "VERSIONS BETWEEN TIMESTAMP SYSTIMESTAMP - INTERVAL '10' MINUTE AND SYSTIMESTAMP - INTERVAL '1' MINUTE\n"
                     + "WHERE last_name = 'Chung';";

        String expect = "SELECT salary\n"
                        + "FROM employees\n"
                        + "VERSIONS BETWEEN TIMESTAMP SYSTIMESTAMP - INTERVAL '10' MINUTE AND SYSTIMESTAMP - INTERVAL '1' MINUTE\n"
                        + "WHERE last_name = 'Chung';\n";

        OracleStatementParser parser = new OracleStatementParser(sql);
        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);

        String text = TestUtils.outputOracle(stmt);

        Assert.assertEquals(expect, text);

        System.out.println(text);
    }
}