Renamed datatypes/decimal.* into csdecimal to avoid collision with MDB.

CMakeLists.txt

@@ -200,12 +200,11 @@ ENDIF()
 
 
 SET (ENGINE_LDFLAGS    "-Wl,--no-as-needed -Wl,--add-needed")
-SET (ENGINE_COMMON_LIBS     messageqcpp loggingcpp configcpp idbboot ${Boost_LIBRARIES} xml2 pthread rt libmysql_client)
+SET (ENGINE_COMMON_LIBS     messageqcpp loggingcpp configcpp idbboot ${Boost_LIBRARIES} xml2 pthread rt libmysql_client datatypes)
 SET (ENGINE_OAM_LIBS        oamcpp alarmmanager)
 SET (ENGINE_BRM_LIBS        brm idbdatafile cacheutils rwlock ${ENGINE_OAM_LIBS} ${ENGINE_COMMON_LIBS})
 SET (ENGINE_EXEC_LIBS       joblist execplan windowfunction joiner rowgroup funcexp udfsdk regr dataconvert common compress querystats querytele thrift threadpool ${ENGINE_BRM_LIBS})
 SET (ENGINE_WRITE_LIBS      ddlpackageproc ddlpackage dmlpackageproc dmlpackage writeengine writeengineclient idbdatafile cacheutils ${ENGINE_EXEC_LIBS})
-SET (ENGINE_DATATYPES_LIBS  datatypes)
 
 SET (ENGINE_COMMON_LDFLAGS  "")
 

datatypes/CMakeLists.txt

@@ -1,7 +1,7 @@
 
 include_directories( ${ENGINE_COMMON_INCLUDES} )
 set(datatypes_LIB_SRCS
-    decimal.cpp)
+    csdecimal.cpp)
 
 add_library(datatypes SHARED ${datatypes_LIB_SRCS})
 

datatypes/csdecimal.cpp

@@ -0,0 +1,30 @@
+/* Copyright (C) 2020 MariaDB Corporation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; version 2 of
+   the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+#include "csdecimal.h"
+
+const datatypes::Decimal someDecimal;
+
+namespace datatypes
+{
+
+    int Decimal::compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r)
+    {
+        return 0;
+    }
+
+} // end of namespace

datatypes/csdecimal.h

@@ -18,14 +18,21 @@
 #ifndef H_DECIMALDATATYPE
 #define H_DECIMALDATATYPE
 
+#include <cstdint>
+
+namespace execplan
+{
+    struct IDB_Decimal;
+}
+
 namespace datatypes
 {
-
 class Decimal
 {
     public:
         Decimal() { };
         ~Decimal() { };
+        static int compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r); 
 };
 
 } //end of namespace

dbcon/execplan/CMakeLists.txt

@@ -1,5 +1,5 @@
 
-include_directories( ${ENGINE_COMMON_INCLUDES} ${ENGINE_UTILS_UDFSDK_INCLUDE} )
+include_directories( ${ENGINE_COMMON_INCLUDES} ${ENGINE_UTILS_UDFSDK_INCLUDE} ${ENGINE_DATATYPES_INCLUDE})
 
 
 ########### next target ###############

dbcon/execplan/treenode.h

@@ -35,6 +35,8 @@
 #include "calpontsystemcatalog.h"
 #include "exceptclasses.h"
 #include "dataconvert.h"
+#include "columnwidth.h"
+#include "csdecimal.h"
 
 using int128_t = __int128;
 
@@ -115,47 +117,107 @@ struct IDB_Decimal
     }
 
     bool operator==(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value == rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) == 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value == rhs.value;
             else
                 return (decimalComp(rhs) == 0);
         }
+    }
     bool operator>(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value > rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) > 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value > rhs.value;
             else
                 return (decimalComp(rhs) > 0);
         }
+    }
     bool operator<(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value < rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) < 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value < rhs.value;
             else
                 return (decimalComp(rhs) < 0);
         }
+    }
     bool operator>=(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value >= rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) >= 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value >= rhs.value;
             else
                 return (decimalComp(rhs) >= 0);
         }
+    }
     bool operator<=(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value <= rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) <= 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value <= rhs.value;
             else
                 return (decimalComp(rhs) <= 0);
         }
+    }
     bool operator!=(const IDB_Decimal& rhs) const
+    {
+        if (utils::widthByPrecision(precision) == 16)
+        {
+            if (scale == rhs.scale)
+                return s128Value != rhs.s128Value;
+            else
+                return (datatypes::Decimal::compare(*this, rhs) != 0);
+        }
+        else
         {
             if (scale == rhs.scale)
                 return value != rhs.value;
             else
                 return (decimalComp(rhs) != 0);
         }
+    }
 
     int128_t s128Value;
     int64_t value;

dbcon/mysql/ha_mcs_impl.cpp

@@ -143,10 +143,10 @@ namespace cal_impl_if
 extern bool nonConstFunc(Item_func* ifp);
 }
 
+using int128_t = __int128;
+
 namespace
 {
-    using int128_t = __int128;
-    using uint128_t = unsigned __int128;
 // Calpont vtable non-support error message
 const string infinidb_autoswitch_warning = "The query includes syntax that is not supported by MariaDB Columnstore distributed mode. The execution was switched to standard mode with downgraded performance.";
 

tests/csdecimal.cpp

@@ -15,6 +15,9 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
    MA 02110-1301, USA. */
 
-#include "decimal.h"
+#include "gtest/gtest.h"
 
-const datatypes::Decimal someDecimal;
+TEST(DataConvertTest, Strtoll128)
+{
+    EXPECT_TRUE(true);
+}

utils/common/columnwidth.h

@@ -18,6 +18,7 @@
 #ifndef UTILS_COLWIDTH_H
 #define UTILS_COLWIDTH_H
 
+#include "branchpred.h"
 
 namespace utils
 {
@@ -34,10 +35,12 @@ namespace utils
         return width <= MAXLEGACYWIDTH;
     }
 
-    // WIP MCOL-641 Replace with template
     /** @brief Map a DECIMAL precision to data width in bytes */
     inline uint8_t widthByPrecision(unsigned p)
     {
+        if (LIKELY(p > 18 && p < 39))
+            return 16;
+
         switch (p)
         {
             case 1:
@@ -70,6 +73,7 @@ namespace utils
             return 16;
         }
     }
+
     inline uint8_t precisionByWidth(unsigned w)
     {
         switch(w)