CodeCooker17 commented on code in PR #19265:
URL: https://github.com/apache/doris/pull/19265#discussion_r1189277155
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fe/fe-core/src/main/java/org/apache/doris/common/util/TimeUtils.java:
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@@ -85,32 +84,42 @@ public class TimeUtils {
public static Date MIN_DATETIME = null;
public static Date MAX_DATETIME = null;
- private static ThreadLocal<SimpleDateFormat> datetimeFormatThreadLocal =
- ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd
HH:mm:ss"));
+ public static final DateTimeFormatter DATETIME_MS_FORMAT =
DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS")
+ .withZone(ZoneId.systemDefault());
- private static ThreadLocal<SimpleDateFormat> datetimeMSFormatThreadLocal =
- ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd
HH:mm:ss.SSS"));
+ public static final DateTimeFormatter DATETIME_NS_FORMAT =
DateTimeFormatter.ofPattern(
+ "yyyy-MM-dd HH:mm:ss.SSSSSSSSS")
+ .withZone(ZoneId.systemDefault());
+
+ public static final DateTimeFormatter DATETIME_FORMAT_WITH_HYPHEN =
DateTimeFormatter.ofPattern(
+ "yyyy-MM-dd-HH-mm-ss")
+ .withZone(ZoneId.systemDefault());
static {
- TIME_ZONE = new SimpleTimeZone(8 * 3600 * 1000, "");
+ TIME_ZONE = ZoneId.of("UTC+8");
- DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
- DATE_FORMAT.setTimeZone(TIME_ZONE);
+ DATE_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+ DATE_FORMAT.withZone(TIME_ZONE);
- DATETIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- DATETIME_FORMAT.setTimeZone(TIME_ZONE);
+ DATETIME_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+ DATETIME_FORMAT.withZone(TIME_ZONE);
- TIME_FORMAT = new SimpleDateFormat("HH");
- TIME_FORMAT.setTimeZone(TIME_ZONE);
+ TIME_FORMAT = DateTimeFormatter.ofPattern("HH");
+ TIME_FORMAT.withZone(TIME_ZONE);
try {
- MIN_DATE = DATE_FORMAT.parse("0000-01-01");
- MAX_DATE = DATE_FORMAT.parse("9999-12-31");
- MIN_DATETIME = DATETIME_FORMAT.parse("0000-01-01 00:00:00");
- MAX_DATETIME = DATETIME_FORMAT.parse("9999-12-31 23:59:59");
+ MIN_DATE = Date.from(
+ LocalDate.parse("0001-01-01",
DATE_FORMAT).atStartOfDay().atZone(TIME_ZONE).toInstant());
+ MAX_DATE = Date.from(
+ LocalDate.parse("9999-12-31",
DATE_FORMAT).atStartOfDay().atZone(TIME_ZONE).toInstant());
+
+ MIN_DATETIME = Date.from(
Review Comment:
MIN_DATE and MIN_DATETIME are only used in TimeUtilsTest
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