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feat(java): implement getTime() in JDBC4ResultSet

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This commit is contained in:
kimminseok
2025-10-07 14:25:46 +09:00
parent 6adc272d75
commit ffd43b4b77
2 changed files with 67 additions and 4 deletions
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17
bindings/java/src/main/java/tech/turso/jdbc4/JDBC4ResultSet.java
View File

@@ -835,15 +835,24 @@ public final class JDBC4ResultSet implements ResultSet, ResultSetMetaData {
@Override
@SkipNullableCheck
public Time getTime(int columnIndex, Calendar cal) throws SQLException {
// TODO: Properly handle timezone conversion with Calendar
return getTime(columnIndex);
final Time time = getTime(columnIndex);
if (time == null || cal == null) {
return time;
}
final Calendar localCal = Calendar.getInstance();
localCal.setTime(time);
final long offset = cal.getTimeZone().getOffset(time.getTime()) -
localCal.getTimeZone().getOffset(time.getTime());
return new Time(time.getTime() + offset);
}
@Override
@SkipNullableCheck
public Time getTime(String columnLabel, Calendar cal) throws SQLException {
// TODO: Properly handle timezone conversion with Calendar
return getTime(columnLabel);
return getTime(findColumn(columnLabel), cal);
}
@Override

54
bindings/java/src/test/java/tech/turso/jdbc4/JDBC4ResultSetTest.java
View File

@@ -7,6 +7,7 @@ import java.nio.ByteBuffer;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Time;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
@@ -766,4 +767,57 @@ class JDBC4ResultSetTest {
assertNotNull(date);
}
@Test
void test_getTime_with_calendar() throws Exception {
stmt.executeUpdate("CREATE TABLE test_time_cal (time_col BLOB);");
// 2025-10-07 03:00:00 UTC in milliseconds
long utcTime = 1728270000000L;
byte[] timeBytes = ByteBuffer.allocate(Long.BYTES).putLong(utcTime).array();
StringBuilder hexString = new StringBuilder();
for (byte b : timeBytes) {
hexString.append(String.format("%02X", b));
}
stmt.executeUpdate("INSERT INTO test_time_cal (time_col) VALUES (X'" + hexString + "');");
ResultSet resultSet = stmt.executeQuery("SELECT * FROM test_time_cal");
assertTrue(resultSet.next());
// Get time with UTC calendar
Calendar utcCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
Time utcTime2 = resultSet.getTime(1, utcCal);
// Get time with Seoul calendar (UTC+9)
Calendar seoulCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("Asia/Seoul"));
Time seoulTime = resultSet.getTime(1, seoulCal);
// Seoul time should be 9 hours ahead
long timeDiff = seoulTime.getTime() - utcTime2.getTime();
assertEquals(9 * 60 * 60 * 1000, timeDiff);
}
@Test
void test_getTime_with_calendar_columnLabel() throws Exception {
stmt.executeUpdate("CREATE TABLE test_time_cal (created_at BLOB);");
// 2025-10-07 03:00:00 UTC in milliseconds
long utcTime = 1728270000000L;
byte[] timeBytes = ByteBuffer.allocate(Long.BYTES).putLong(utcTime).array();
StringBuilder hexString = new StringBuilder();
for (byte b : timeBytes) {
hexString.append(String.format("%02X", b));
}
stmt.executeUpdate("INSERT INTO test_time_cal (created_at) VALUES (X'" + hexString + "');");
ResultSet resultSet = stmt.executeQuery("SELECT * FROM test_time_cal");
assertTrue(resultSet.next());
Calendar utcCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
Time time = resultSet.getTime("created_at", utcCal);
assertNotNull(time);
}
}