Fix wrong result of the Duration.ofDay (#58)

Author: hanahmily

CHANGES.md

@@ -12,6 +12,7 @@ Release Notes.
 
 * Fix MeasureQuery.SumBy to use SUM instead of COUNT
 * Add missing FloatFieldValue type in the Measure write operation
+* Fix wrong result of the Duration.ofDay
 
 0.6.0
 ------------------

src/main/java/org/apache/skywalking/banyandb/v1/client/metadata/Duration.java

@@ -29,7 +29,8 @@ public class Duration {
     private static final Pattern DURATION_PATTERN =
             Pattern.compile("(((?<day>\\d+)d)?((?<hour>\\d+)h)?((?<minute>\\d+)m)?|0)");
     private static final long MINUTES_PER_HOUR = 60;
-    private static final long MINUTES_PER_DAY = MINUTES_PER_HOUR * 24;
+    private static final long HOURS_PER_DAY = 24;
+    private static final long MINUTES_PER_DAY = MINUTES_PER_HOUR * HOURS_PER_DAY;
 
     @EqualsAndHashCode.Exclude
     private volatile String text;
@@ -100,6 +101,6 @@ public static Duration ofHours(long hours) {
     }
 
     public static Duration ofDays(long days) {
-        return ofHours(days * MINUTES_PER_DAY);
+        return ofHours(days * HOURS_PER_DAY);
     }
 }