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HSQLDB - Lightweight 100% Java SQL Database Engine
/* Copyright (c) 2001-2019, The HSQL Development Group
* All rights reserved.
*
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* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
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*
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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package org.hsqldb.test;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.util.TimeZone;
import junit.framework.TestCase;
import java.util.Calendar;
import java.text.DateFormat;
/**
* Date Test Case.
*/
public class TestDatetimeSimple extends TestCase {
private Calendar calendar = Calendar.getInstance();
static String connectionURL =
"jdbc:hsqldb:file:/hsql/tests/testdatetimesimple";
static {
try {
Class.forName("org.hsqldb.jdbcDriver");
} catch (ClassNotFoundException cnfe) {
throw new RuntimeException(
" failed. JDBC Driver class not in CLASSPATH");
}
}
public void testTimestampParam() throws SQLException {
System.out.println("testTimestampParam " + TimeZone.getDefault());
Connection c = DriverManager.getConnection("jdbc:hsqldb:mem:db", "sa",
"");
Statement stmt = c.createStatement();
stmt.execute("create table dual (c0 integer)");
stmt.executeUpdate("insert into dual values (2)");
ResultSet set = stmt.executeQuery(
"select to_number(to_char((select current_timestamp + c0 day from dual), 'YYYYMMDD')) from dual");
if (set.next()) {
System.out.println("stmt res=" + set.getInt(1));
}
set.close();
PreparedStatement pstmt = c.prepareStatement(
"select to_number(to_char((select ? + c0 day from dual), 'YYYYMMDD')) from dual");
pstmt.setTimestamp(1, new Timestamp(System.currentTimeMillis()));
set = pstmt.executeQuery();
if (set.next()) {
System.out.println("pstmt res=" + set.getInt(1));
}
pstmt = c.prepareStatement(
"select to_number(to_char((select ? - c0 day from dual), 'YYYYMMDD')) from dual");
pstmt.setTimestamp(1, new Timestamp(System.currentTimeMillis()));
set = pstmt.executeQuery();
if (set.next()) {
System.out.println("pstmt res=" + set.getInt(1));
}
pstmt = c.prepareStatement(
"select extract(hour from ((localtimestamp + 26 hour) - ?) day to hour ) from dual");
pstmt.setTimestamp(1, new Timestamp(System.currentTimeMillis()));
set = pstmt.executeQuery();
if (set.next()) {
System.out.println("pstmt res=" + set.getInt(1));
}
pstmt = c.prepareStatement(
"select extract(hour from (localtimestamp + 27 hour) - cast(? as timestamp) ) from dual");
pstmt.setTimestamp(1, new Timestamp(System.currentTimeMillis()));
set = pstmt.executeQuery();
if (set.next()) {
System.out.println("pstmt res=" + set.getInt(1));
}
c.close();
}
public void testSimple() throws SQLException {
System.out.println("testSimple " + TimeZone.getDefault());
TestUtil.deleteDatabase("/hsql/tests/testdatetimesimple");
Connection conn = DriverManager.getConnection(connectionURL, "SA", "");
ResultSet rs;
PreparedStatement ps;
Statement st = conn.createStatement();
st.executeUpdate("SET TIME ZONE INTERVAL '-5:00' HOUR TO MINUTE");
st.executeUpdate("DROP TABLE t IF EXISTS");
st.executeUpdate("CREATE TABLE t(i int, d date)");
st.executeUpdate("INSERT INTO t VALUES(1, '2008-11-27')");
rs = st.executeQuery("SELECT d FROM t");
rs.next();
System.out.println("Object: " + rs.getObject("d") //
+ " ; Timestamp: " + rs.getTimestamp("d") //
+ " ; Date: " + rs.getDate("d") //
+ " ; String: " + rs.getString("d"));
rs.close();
rs = st.executeQuery("SELECT count(*) c FROM t WHERE d = "
+ "'2008-11-27'");
rs.next();
System.out.println("Match? " + (rs.getInt("c") > 0));
st.executeUpdate("DELETE FROM t");
/* This is prohibited:
st.executeUpdate("INSERT INTO t VALUES(2, '2008-11-27 0:00:00')");
Q: Do we want to prohibit this, even though we permit the same
usage with PreparedStatement using a Timestamp, as follows?
A: In the disallowed case, a String that is not a data string is used,
while in the other case, a timestamp object is used. It follows the
cast specification, which requires the String to be a valid date
string, and allows casting from a TIMESTAMP object to DATE
*/
ps = conn.prepareStatement("INSERT INTO t VALUES(3, ?)");
ps.setTimestamp(1, java.sql.Timestamp.valueOf("2008-10-27 0:00:00"));
ps.execute();
ps.close();
rs = st.executeQuery("SELECT d FROM t");
rs.next();
System.out.println("Object: " + rs.getObject("d") //
+ " ; Date: " + rs.getDate("d") //
+ " ; Timestamp: " + rs.getTimestamp("d") + //
"; String: " + rs.getString("d"));
rs.close();
rs = st.executeQuery("SELECT count(*) c FROM t WHERE d = "
+ "'2008-10-27'");
/* FRED: When the DATE value is inserted with a TIMESTAMP,
* all matches using a date fail. The query here fails regardless
* of what date I use. */
rs.next();
System.out.println("Match? " + (rs.getInt("c") > 0));
/** ******** TIMESTAMP COL BELOW ********* */
st.executeUpdate("DROP TABLE t2 IF EXISTS");
st.executeUpdate("CREATE TABLE t2(i int, ts timestamp)");
/* These all failed with the original version
st.executeUpdate("INSERT INTO t2 VALUES(1, '2008-11-27')");
st.executeUpdate("INSERT INTO t2 VALUES(1, timestamp '2008-11-27')");
in both cases, the string is not a valid timestamp string
*/
st.executeUpdate(
"INSERT INTO t2 VALUES(1, timestamp '2008-11-27 12:30:00')");
st.executeUpdate("INSERT INTO t2 VALUES(1, '2008-11-27 12:30:00')");
/** FOLLOWING ALL WORK AS EXPECTED: */
ps = conn.prepareStatement("INSERT INTO t2 VALUES(2, ?)");
ps.setTimestamp(1, java.sql.Timestamp.valueOf("2008-10-27 0:00:00"));
ps.execute();
ps.close();
rs = st.executeQuery("SELECT ts FROM t2");
rs.next();
System.out.println("Object: " + rs.getObject("ts") //
+ " ; Timestamp: " + rs.getTimestamp("ts") //
+ " ; Date: " + rs.getObject("ts") //
+ "; String: " + rs.getString("ts"));
rs.close();
// these failed execute in original version
st.executeUpdate("INSERT INTO t2 VALUES(1, '2008-11-27')");
st.executeUpdate("INSERT INTO t2 VALUES(1, timestamp '2008-11-27')");
st.executeUpdate("SHUTDOWN");
conn.close();
}
public void testValues() throws SQLException {
System.out.println("testValues " + TimeZone.getDefault());
TestUtil.deleteDatabase("/hsql/tests/testdatetimesimple");
Connection conn = DriverManager.getConnection(connectionURL, "SA", "");
ResultSet rs;
PreparedStatement ps;
String s;
Object o;
java.sql.Date d;
java.sql.Timestamp ts;
Statement st = conn.createStatement();
st.executeUpdate("SET TIME ZONE INTERVAL '-5:00' HOUR TO MINUTE");
st.executeUpdate("DROP TABLE t3 IF EXISTS");
st.executeUpdate("CREATE TABLE t3(d date)");
st.executeUpdate("INSERT INTO t3 VALUES('2008-11-27')");
rs = st.executeQuery("SELECT d FROM t3");
rs.next();
s = rs.getString("d");
o = rs.getObject("d");
d = rs.getDate("d");
ts = rs.getTimestamp("d");
System.out.println("2008-11-27 INSERTED" + "\n String: " + s
+ "\n Object: " + o + "\n Date: " + dump(d)
+ "\n Timestamp: " + dump(ts) + '\n');
rs.close();
st.executeUpdate("DROP TABLE ts IF EXISTS");
st.executeUpdate(
"CREATE TABLE ts(id integer generated by default as identity (start with 1), ts timestamp, tsz timestamp with time zone)");
st.executeUpdate(
"INSERT INTO ts VALUES DEFAULT, LOCALTIMESTAMP, CURRENT_TIMESTAMP");
rs = st.executeQuery("CALL CURRENT_DATE");
rs.next();
o = rs.getObject(1);
d = rs.getDate(1);
s = rs.getString(1);
ts = rs.getTimestamp(1);
System.out.println("CURRENT_DATE @" + new java.util.Date()
+ "\n String: " + s + "\n Object: " + o
+ "\n Date: " + dump(d) + "\n Timestamp: "
+ dump(ts) + '\n');
rs.close();
rs = st.executeQuery("CALL LOCALTIMESTAMP");
rs.next();
o = rs.getObject(1);
s = rs.getString(1);
ts = rs.getTimestamp(1);
System.out.println("LOCALTIMESTAMP @" + new java.util.Date()
+ "\n String: " + s + "\n Object: " + o
+ "\n Timestamp: " + dump(ts) + '\n');
rs.close();
rs = st.executeQuery("CALL CURRENT_TIMESTAMP");
rs.next();
s = rs.getString(1);
o = rs.getObject(1);
ts = rs.getTimestamp(1);
System.out.println("CURRENT_TIMESTAMP @" + new java.util.Date()
+ "\n String: " + s + "\n Object: " + o
+ "\n Timestamp: " + dump(ts) + '\n');
rs.close();
st.executeUpdate("SHUTDOWN");
conn.close();
}
public void testDateRangeCheck() throws SQLException {
Connection c = DriverManager.getConnection("jdbc:hsqldb:mem:db", "sa",
"");
Statement stmt = c.createStatement();
stmt.execute("create table testdate (d date)");
stmt.executeUpdate("insert into testdate values DATE'2017-01-19'");
PreparedStatement pstmt =
c.prepareStatement("insert into testdate values ?");
try {
calendar.set(2500, 1, 1);
pstmt.setDate(1, new Date(calendar.getTimeInMillis()));
pstmt.executeUpdate();
fail("invalid date beyond 9999CE accepted");
} catch (SQLException e) {}
}
public static String dump(java.sql.Timestamp t) {
return "String (" + t.toString() + ')';
}
public static String dump(java.sql.Date d) {
return "String (" + d.toString() + ')';
}
public static void main(String[] argv) {
TestDatetimeSimple testA = new TestDatetimeSimple();
String[] zones = {
"GMT+05:00", "GMT", "GMT-05:00"
};
try {
for (int i = 0; i < zones.length; i++) {
TimeZone timeZone = TimeZone.getTimeZone(zones[i]);
TimeZone.setDefault(timeZone);
testA.testSimple();
testA.testValues();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}