DRILL-7773: Incorrect conversion result to TIME_EPOCH_BE

Author: oleg-zinovev

exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/conv/TimeEpochBEConvertTo.java

@@ -48,7 +48,7 @@ public void setup() {
   @Override
   public void eval() {
     buffer.clear();
-    buffer.writeLong(Integer.reverseBytes(in.value));
+    buffer.writeLong(Long.reverseBytes(in.value));
     out.buffer = buffer;
     out.start = 0;
     out.end = 8;

exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestConvertFunctions.java

@@ -617,6 +617,11 @@ public void testBinaryString() throws Exception {
     }
   }
 
+  @Test // DRILL-7773
+  public void testTimeEpochBE() throws Throwable {
+    verifyPhysicalPlan("cast(convert_from(convert_to('23:30:21', 'TIME_EPOCH_BE'), 'TIME_EPOCH_BE') as time)", LocalTime.of(23, 30, 21));
+  }
+
   protected <T> void verifySQL(String sql, T expectedResults) throws Throwable {
     verifyResults(sql, expectedResults, getRunResult(QueryType.SQL, sql));
   }