From a3bf05d3e1750187406b19f471570d93f9adde50 Mon Sep 17 00:00:00 2001
From: Xiao Meng <xiaom.cs@gmail.com>
Date: Sat, 31 May 2014 17:40:10 -0700
Subject: DRILL-898: C++ Client. Fix decimal data type.

---
 contrib/native/client/src/include/drill/drillc.hpp |  4 +--
 .../client/src/include/drill/recordBatch.hpp       | 30 +++++++++++++++++-----
 2 files changed, 25 insertions(+), 9 deletions(-)

(limited to 'contrib/native/client/src/include')

diff --git a/contrib/native/client/src/include/drill/drillc.hpp b/contrib/native/client/src/include/drill/drillc.hpp
index 817b680d2..93a6b79d3 100644
--- a/contrib/native/client/src/include/drill/drillc.hpp
+++ b/contrib/native/client/src/include/drill/drillc.hpp
@@ -22,8 +22,8 @@
 #include "drill/common.hpp"
 #include "drill/drillClient.hpp"
 #include "drill/recordBatch.hpp"
-#include "Types.pb.h"
-#include "User.pb.h"
+#include "drill/protobuf/Types.pb.h"
+#include "drill/protobuf/User.pb.h"
 
 #endif
 
diff --git a/contrib/native/client/src/include/drill/recordBatch.hpp b/contrib/native/client/src/include/drill/recordBatch.hpp
index 984588f84..979899786 100644
--- a/contrib/native/client/src/include/drill/recordBatch.hpp
+++ b/contrib/native/client/src/include/drill/recordBatch.hpp
@@ -303,9 +303,13 @@ template <int DECIMAL_DIGITS, int WIDTH_IN_BYTES, bool IS_SPARSE, int MAX_PRECIS
             void getValueAt(size_t index, char* buf, size_t nChars) const {
                 const DecimalValue& val = this->get(index);
                 const std::string& str = boost::lexical_cast<std::string>(val.m_unscaledValue);
-                size_t idxDecimalMark = str.length() - m_scale;
-                const std::string& decStr= str.substr(0, idxDecimalMark) + "." + str.substr(idxDecimalMark, m_scale);
-                strncpy(buf, decStr.c_str(), nChars);
+                if (m_scale == 0) {
+                    strncpy(buf, str.c_str(), nChars);
+                } else {
+                    size_t idxDecimalMark = str.length() - m_scale;
+                    const std::string& decStr= str.substr(0, idxDecimalMark) + "." + str.substr(idxDecimalMark, m_scale);
+                    strncpy(buf, decStr.c_str(), nChars);
+                }
                 return;
             }
 
@@ -336,9 +340,13 @@ template<typename VALUE_TYPE>
             void getValueAt(size_t index, char* buf, size_t nChars) const {
                 VALUE_TYPE value = m_pBuffer->readAt<VALUE_TYPE>(index * sizeof(VALUE_TYPE));
                 const std::string& str = boost::lexical_cast<std::string>(value);
-                size_t idxDecimalMark = str.length() - m_scale;
-                const std::string& decStr= str.substr(0, idxDecimalMark) + "." + str.substr(idxDecimalMark, m_scale);
-                strncpy(buf, decStr.c_str(), nChars);
+                if (m_scale == 0) {
+                    strncpy(buf, str.c_str(), nChars);
+                } else {
+                    size_t idxDecimalMark = str.length() - m_scale;
+                    const std::string& decStr= str.substr(0, idxDecimalMark) + "." + str.substr(idxDecimalMark, m_scale);
+                    strncpy(buf, decStr.c_str(), nChars);
+                }
                 return;
             }
 
@@ -559,6 +567,13 @@ template <class VALUEHOLDER_CLASS_TYPE, class VALUE_VECTOR_TYPE>
                 this->m_pData= new SlicedByteBuf(*b, offsetEnd, b->getLength()-offsetEnd);
                 this->m_pVector= new VALUE_VECTOR_TYPE(m_pData, rowCount);
             }
+            // Specialized for Decimal Types
+            NullableValueVectorTyped(SlicedByteBuf *b, size_t rowCount, int32_t scale):ValueVectorBase(b, rowCount){
+                size_t offsetEnd = (size_t)ceil(rowCount/8.0);
+                this->m_pBitmap= new SlicedByteBuf(*b, 0, offsetEnd);
+                this->m_pData= new SlicedByteBuf(*b, offsetEnd, b->getLength()-offsetEnd);
+                this->m_pVector= new VALUE_VECTOR_TYPE(m_pData, rowCount, scale);
+            }
 
             ~NullableValueVectorTyped(){
                 delete this->m_pBitmap;
@@ -732,11 +747,12 @@ class DECLSPEC_DRILL_CLIENT FieldMetadata{
             m_precision=f.major_type().precision();
             m_bufferLength=f.buffer_length();
         }
-        const std::string& getName(){ return m_name;}
+        const std::string& getName() const{ return m_name;}
         common::MinorType getMinorType() const{ return m_minorType;}
         common::DataMode getDataMode() const{return m_dataMode;}
         uint32_t getValueCount() const{return m_valueCount;}
         uint32_t getScale() const{return m_scale;}
+        uint32_t getPrecision() const{return m_precision;}
         uint32_t getBufferLength() const{return m_bufferLength;}
         void copy(Drill::FieldMetadata& f){
             m_name=f.m_name;
-- 
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