fix sql.Time?

Author: chernser

client-v2/src/main/java/com/clickhouse/client/api/internal/DataTypeConverter.java

@@ -94,6 +94,8 @@ public String stringToString(Object bytesOrString, ClickHouseColumn column) {
     public static final ZonedDateTime EPOCH_START_OF_THE_DAY =
             ZonedDateTime.ofInstant(Instant.EPOCH, UTC_ZONE_ID);
 
+    public static final LocalDate EPOCH_DATE = LocalDate.of(1970, 1, 1);
+
     public String dateToString(Object value, ClickHouseColumn column) {
         DateTimeFormatter formatter = DataTypeUtils.DATE_FORMATTER;
 
@@ -133,8 +135,9 @@ public String timeToString(Object value, ClickHouseColumn column) {
         } else if (value instanceof java.sql.Date) {
             return formatter.format(EPOCH_START_OF_THE_DAY);
         } else if (value instanceof java.sql.Time) {
-            java.sql.Time date = (java.sql.Time) value;
-            return formatter.format(ZonedDateTime.ofInstant(Instant.ofEpochMilli(date.getTime()), UTC_ZONE_ID));
+            java.sql.Time time = (java.sql.Time) value;
+            LocalTime lt = time.toLocalTime();
+            return formatter.format(lt);
         } else if (value instanceof Date) {
             return formatter.format(((Date)value).toInstant().atZone(UTC_ZONE_ID));
         }
@@ -162,8 +165,9 @@ public String dateTimeToString(Object value, ClickHouseColumn column) {
             return formatter.format(EPOCH_START_OF_THE_DAY);
 
         } else if (value instanceof java.sql.Time) {
-            java.sql.Time date = (java.sql.Time) value;
-            return formatter.format(ZonedDateTime.ofInstant(Instant.ofEpochMilli(date.getTime()), UTC_ZONE_ID));
+            java.sql.Time time = (java.sql.Time) value;
+            LocalTime lt = time.toLocalTime();
+            return formatter.format(lt.atDate(EPOCH_DATE));
         } else if (value instanceof Date) {
             return formatter.format(((Date)value).toInstant().atZone(UTC_ZONE_ID));
         }

client-v2/src/test/java/com/clickhouse/client/api/internal/DataTypeConverterTest.java

@@ -78,8 +78,8 @@ public void testTimeToString() {
         assertEquals(converter.convertToString(sqlDate, column), "00:00:00");
         Date date = Date.from(ZonedDateTime.of(2022, 1, 4, 12, 34, 56, 0, ZoneId.of("Asia/Shanghai")).toInstant());
         assertEquals(converter.convertToString(date, column), "04:34:56");
-        java.sql.Time sqlTime = java.sql.Time.valueOf("12:34:56");
-        assertEquals(converter.convertToString(sqlTime, column), "20:34:56");
+        java.sql.Time sqlTime = java.sql.Time.valueOf("12:34:56");// 12:34:56 in ms
+        assertEquals(converter.convertToString(sqlTime, column), "12:34:56");
     }
 
 
@@ -95,7 +95,7 @@ public void testDateTimeToString() {
         Date sqlDate = java.sql.Date.valueOf("2022-01-04");
         assertEquals(converter.convertToString(sqlDate, column), "1970-01-01 00:00:00");
         java.sql.Time sqlTime = java.sql.Time.valueOf("12:34:56");
-        assertEquals(converter.convertToString(sqlTime, column), "1970-01-01 20:34:56");
+        assertEquals(converter.convertToString(sqlTime, column), "1970-01-01 12:34:56");
     }
 
     @Test