diff --git a/dbcon/execplan/treenode.h b/dbcon/execplan/treenode.h
index 25ee452b5..fc74cf0e3 100644
--- a/dbcon/execplan/treenode.h
+++ b/dbcon/execplan/treenode.h
@@ -771,10 +771,10 @@ inline uint64_t TreeNode::getUintVal()
     case CalpontSystemCatalog::UINT: return fResult.uintVal;
 
     case CalpontSystemCatalog::FLOAT:
-    case CalpontSystemCatalog::UFLOAT: return (uint64_t)fResult.floatVal;
+    case CalpontSystemCatalog::UFLOAT: return (uint64_t)std::llround(fResult.floatVal);
 
     case CalpontSystemCatalog::DOUBLE:
-    case CalpontSystemCatalog::UDOUBLE: return (uint64_t)fResult.doubleVal;
+    case CalpontSystemCatalog::UDOUBLE: return (uint64_t)std::llround(fResult.doubleVal);
 
     case CalpontSystemCatalog::LONGDOUBLE: return (uint64_t)fResult.longDoubleVal;
 
diff --git a/mysql-test/columnstore/bugfixes/mcol_4622.result b/mysql-test/columnstore/bugfixes/mcol_4622.result
new file mode 100644
index 000000000..942066127
--- /dev/null
+++ b/mysql-test/columnstore/bugfixes/mcol_4622.result
@@ -0,0 +1,17 @@
+DROP DATABASE IF EXISTS mcol_4622;
+CREATE DATABASE mcol_4622;
+USE mcol_4622;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a VARCHAR(32), d FLOAT) ENGINE=ColumnStore;
+INSERT INTO t1 VALUES ('aaaa', 1.5);
+SELECT LEFT(a, d) FROM t1;
+LEFT(a, d)
+aa
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a VARCHAR(32), d DOUBLE) ENGINE=ColumnStore;
+INSERT INTO t1 VALUES ('aaaa', 1.5);
+SELECT LEFT(a, d) FROM t1;
+LEFT(a, d)
+aa
+DROP TABLE IF EXISTS t1;
+DROP DATABASE mcol_4622;
diff --git a/mysql-test/columnstore/bugfixes/mcol_4622.test b/mysql-test/columnstore/bugfixes/mcol_4622.test
new file mode 100644
index 000000000..8d2898d02
--- /dev/null
+++ b/mysql-test/columnstore/bugfixes/mcol_4622.test
@@ -0,0 +1,28 @@
+-- source ../include/have_columnstore.inc
+--disable_warnings
+DROP DATABASE IF EXISTS mcol_4622;
+--enable_warnings
+CREATE DATABASE mcol_4622;
+USE mcol_4622;
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+CREATE TABLE t1 (a VARCHAR(32), d FLOAT) ENGINE=ColumnStore;
+INSERT INTO t1 VALUES ('aaaa', 1.5);
+SELECT LEFT(a, d) FROM t1;
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+CREATE TABLE t1 (a VARCHAR(32), d DOUBLE) ENGINE=ColumnStore;
+INSERT INTO t1 VALUES ('aaaa', 1.5);
+SELECT LEFT(a, d) FROM t1;
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+--disable_warnings
+DROP DATABASE mcol_4622;
+--enable_warnings