From 1b7fea9a1202f21980fba9166d927442f358e42c Mon Sep 17 00:00:00 2001
From: David Hall <mcfadden7586@gmail.com>
Date: Tue, 3 Nov 2020 15:36:51 -0600
Subject: [PATCH] MCOL-4255 dev fix ROUND(datecolumn) The behavior of Server
 changed

---
 utils/funcexp/func_round.cpp | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/utils/funcexp/func_round.cpp b/utils/funcexp/func_round.cpp
index 0064ae8df..65887fd5a 100644
--- a/utils/funcexp/func_round.cpp
+++ b/utils/funcexp/func_round.cpp
@@ -136,7 +136,18 @@ uint64_t Func_round::getUintVal(Row& row,
                                 bool& isNull,
                                 CalpontSystemCatalog::ColType& op_ct)
 {
-    return parm[0]->data()->getUintVal(row, isNull);
+    uint64_t x;
+    if (UNLIKELY(op_ct.colDataType == execplan::CalpontSystemCatalog::DATE))
+    {
+        IDB_Decimal d = getDecimalVal(row, parm, isNull, op_ct);
+        x = static_cast<uint64_t>(d.value);
+    }
+    else
+    {
+        x = parm[0]->data()->getUintVal(row, isNull);
+    }
+
+    return x;
 }
 
 
@@ -432,15 +443,9 @@ IDB_Decimal Func_round::getDecimalVal(Row& row,
             {
                 s = parm[1]->data()->getIntVal(row, isNull);
 
-                if ( s > 11 )
-                    s = 0;
-
                 if ( s > 0 )
                 {
-                    for ( int i = 0 ; i < s ; i++)
-                    {
-                        value = value + "0";
-                    }
+                    s = 0; // Dates don't have digits after int part
                 }
                 else
                 {