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feat(java): implement getTimestamp() in JDBC4ResultSet

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This commit is contained in:
kimminseok
2025-10-07 14:30:03 +09:00
parent ffd43b4b77
commit 85f2755837
2 changed files with 67 additions and 8 deletions
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17
bindings/java/src/main/java/tech/turso/jdbc4/JDBC4ResultSet.java
View File

@@ -858,15 +858,24 @@ public final class JDBC4ResultSet implements ResultSet, ResultSetMetaData {
@Override
@SkipNullableCheck
public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
// TODO: Apply calendar timezone conversion
return getTimestamp(columnIndex);
final Timestamp timestamp = getTimestamp(columnIndex);
if (timestamp == null || cal == null) {
return timestamp;
}
final Calendar localCal = Calendar.getInstance();
localCal.setTime(timestamp);
final long offset = cal.getTimeZone().getOffset(timestamp.getTime()) -
localCal.getTimeZone().getOffset(timestamp.getTime());
return new Timestamp(timestamp.getTime() + offset);
}
@Override
@SkipNullableCheck
public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
// TODO: Apply calendar timezone conversion
return getTimestamp(findColumn(columnLabel));
return getTimestamp(findColumn(columnLabel), cal);
}
@Override

58
bindings/java/src/test/java/tech/turso/jdbc4/JDBC4ResultSetTest.java
View File

@@ -4,10 +4,7 @@ import java.io.Reader;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.nio.ByteBuffer;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Time;
import java.sql.*;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
@@ -820,4 +817,57 @@ class JDBC4ResultSetTest {
assertNotNull(time);
}
@Test
void test_getTimestamp_with_calendar() throws Exception {
stmt.executeUpdate("CREATE TABLE test_timestamp_cal (timestamp_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_timestamp_cal (timestamp_col) VALUES (X'" + hexString + "');");
ResultSet resultSet = stmt.executeQuery("SELECT * FROM test_timestamp_cal");
assertTrue(resultSet.next());
// Get timestamp with UTC calendar
Calendar utcCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
Timestamp utcTimestamp = resultSet.getTimestamp(1, utcCal);
// Get timestamp with Seoul calendar (UTC+9)
Calendar seoulCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("Asia/Seoul"));
Timestamp seoulTimestamp = resultSet.getTimestamp(1, seoulCal);
// Seoul time should be 9 hours ahead
long timeDiff = seoulTimestamp.getTime() - utcTimestamp.getTime();
assertEquals(9 * 60 * 60 * 1000, timeDiff);
}
@Test
void test_getTimestamp_with_calendar_columnLabel() throws Exception {
stmt.executeUpdate("CREATE TABLE test_timestamp_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_timestamp_cal (created_at) VALUES (X'" + hexString + "');");
ResultSet resultSet = stmt.executeQuery("SELECT * FROM test_timestamp_cal");
assertTrue(resultSet.next());
Calendar utcCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
Timestamp timestamp = resultSet.getTimestamp("created_at", utcCal);
assertNotNull(timestamp);
}
}