org.hsqldb.test.TestINPredicateParameterizationAndCorrelation Maven / Gradle / Ivy
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package org.hsqldb.test;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import junit.framework.TestCase;
import junit.framework.TestResult;
/**
* HSQLDB TestINPredicate Junit test case.
*
* @author Campbell Burnet (campbell-burnet@users dot sourceforge.net)
* @version 1.9.0
* @since 1.7.2
*/
public class TestINPredicateParameterizationAndCorrelation extends TestBase {
public TestINPredicateParameterizationAndCorrelation(String name) {
super(name);
}
/* Implements the TestINPredicate test */
public void test() throws Exception {
Connection conn = newConnection();
Statement stmt = conn.createStatement();
PreparedStatement pstmt;
ResultSet rs;
int actualCount;
int expectedCount;
String sql;
stmt.execute("drop table test if exists");
sql = "create table test(id int)";
stmt.execute(sql);
sql = "insert into test values(?)";
pstmt = conn.prepareStatement(sql);
for (int i = 0; i < 10; i++) {
pstmt.setInt(1, i);
pstmt.addBatch();
}
pstmt.executeBatch();
//
sql = "select count(*) from test where id in(?,?)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 0);
pstmt.setInt(2, 9);
rs = pstmt.executeQuery();
rs.next();
expectedCount = 2;
actualCount = rs.getInt(1);
assertEquals("\"" + sql + "\"", expectedCount, actualCount);
//
sql = "select count(*) from test a, test b where 0 in(a.id, b.id)";
rs = stmt.executeQuery(sql);
rs.next();
expectedCount = rs.getInt(1);
sql = "select count(*) from test a, test b where ? in (a.id, b.id)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 0);
rs = pstmt.executeQuery();
rs.next();
actualCount = rs.getInt(1);
assertEquals("\"" + sql + "\"", expectedCount, actualCount);
//
expectedCount = 20;
sql = "select count(*) from test a, test b where a.id in(?, ?)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 0);
pstmt.setInt(2, 9);
rs = pstmt.executeQuery();
rs.next();
actualCount = rs.getInt(1);
assertEquals("\"" + sql + "\"", expectedCount, actualCount);
//
expectedCount = 10;
sql = "select count(*) from test a, test b where ? in(?, b.id)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 0);
pstmt.setInt(2, 9);
rs = pstmt.executeQuery();
rs.next();
actualCount = rs.getInt(1);
assertEquals("\"" + sql + "\"", expectedCount, actualCount);
//
expectedCount = 1;
sql = "select count(*) from test a where ? in(select b.id from test b where a.id = b.id)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 0);
rs = pstmt.executeQuery();
rs.next();
actualCount = rs.getInt(1);
assertEquals("\"" + sql + "\"", expectedCount, actualCount);
//
sql = "select count(*) from "
+ "(select * from test where id in (1,2)) a,"
+ "(select * from test where id in (3,4)) b "
+ "where a.id < 2 and b.id < 4";
rs = stmt.executeQuery(sql);
rs.next();
expectedCount = rs.getInt(1);
sql = "select count(*) from "
+ "(select * from test where id in (?,?)) a,"
+ "(select * from test where id in (?,?)) b "
+ "where a.id < ? and b.id < ?";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, 1);
pstmt.setInt(2, 2);
pstmt.setInt(3, 3);
pstmt.setInt(4, 4);
pstmt.setInt(5, 2);
pstmt.setInt(6, 4);
rs = pstmt.executeQuery();
rs.next();
actualCount = rs.getInt(1);
assertEquals("row count: ", expectedCount, actualCount);
}
/* Runs TestINPredicate test from the command line*/
public static void main(String[] args) throws Exception {
TestResult result;
TestCase test;
java.util.Enumeration failures;
int count;
result = new TestResult();
test = new TestINPredicateParameterizationAndCorrelation("test");
test.run(result);
count = result.failureCount();
System.out.println(
"TestINPredicateParameterizationAndCorrelation failure count: "
+ count);
failures = result.failures();
while (failures.hasMoreElements()) {
System.out.println(failures.nextElement());
}
}
}