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Subject [GitHub] [carbondata] jackylk commented on a change in pull request #3598: [CARBONDATA-3684] Remove MDK and cardinality in write path
Date Mon, 10 Feb 2020 14:48:08 GMT
jackylk commented on a change in pull request #3598: [CARBONDATA-3684] Remove MDK and cardinality
in write path
URL: https://github.com/apache/carbondata/pull/3598#discussion_r377106994
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/util/ByteUtil.java
 ##########
 @@ -756,4 +756,45 @@ public static long toLongLittleEndian(byte[] bytes, int offset) {
         ((long) bytes[offset + 3] & 0xff) << 24) | (((long) bytes[offset + 2] &
0xff) << 16) | (
         ((long) bytes[offset + 1] & 0xff) << 8) | (((long) bytes[offset] &
0xff)));
   }
+
+  public static byte[] convertDateToBytes(int date) {
+    return ByteUtil.toBytes(date);
+  }
+
+  public static byte[] convertDateToBytes(long[] date) {
+    byte[] output = new byte[date.length * 4];
+    for (int i = 0; i < date.length; i++) {
+      System.arraycopy(ByteUtil.toBytes(date[i]), 0, output, i * 4, 4);
+    }
+    return output;
+  }
+
+  public static int convertBytesToDate(byte[] date) {
+    return ByteUtil.toInt(date, 0);
+  }
+
+  public static int convertBytesToDate(byte[] date, int offset) {
+    return ByteUtil.toInt(date, offset);
+  }
+
+  public static int dateBytesSize() {
+    return 4;
+  }
+
+  public static int[] convertBytesToDateIntArray(byte[] input) {
 
 Review comment:
   fixed

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