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Leonid Fedorov
@ -17,10 +17,10 @@
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: windowfunctioncolumn.h 9679 2013-07-11 22:32:03Z zzhu $
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*
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*
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***********************************************************************/
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* $Id: windowfunctioncolumn.h 9679 2013-07-11 22:32:03Z zzhu $
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*
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*
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***********************************************************************/
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/** @file */
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@ -44,7 +44,6 @@ class ByteStream;
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*/
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namespace execplan
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{
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/**
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* @brief A class to represent a functional column
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*
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@ -53,206 +52,208 @@ namespace execplan
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*/
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class WindowFunctionColumn : public ReturnedColumn
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{
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public:
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WindowFunctionColumn();
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WindowFunctionColumn(const std::string& functionName, const uint32_t sessionID = 0);
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WindowFunctionColumn(const WindowFunctionColumn& rhs, const uint32_t sessionID = 0);
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virtual ~WindowFunctionColumn()
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{
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}
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public:
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WindowFunctionColumn();
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WindowFunctionColumn(const std::string& functionName, const uint32_t sessionID = 0);
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WindowFunctionColumn(const WindowFunctionColumn& rhs, const uint32_t sessionID = 0);
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virtual ~WindowFunctionColumn() {}
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/** get function name */
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inline const std::string& functionName() const
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{
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return fFunctionName;
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}
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/** get function name */
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inline const std::string& functionName() const
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{
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return fFunctionName;
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}
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/** set function name */
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inline void functionName(const std::string functionName)
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{
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fFunctionName = functionName;
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}
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/** set function name */
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inline void functionName(const std::string functionName)
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{
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fFunctionName = functionName;
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}
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/** get function parameters */
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inline const std::vector<SRCP>& functionParms() const
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{
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return fFunctionParms;
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}
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/** get function parameters */
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inline const std::vector<SRCP>& functionParms() const
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{
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return fFunctionParms;
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}
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/** set function parameters*/
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inline void functionParms(const std::vector<SRCP>& functionParms)
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{
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fFunctionParms = functionParms;
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}
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/** set function parameters*/
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inline void functionParms(const std::vector<SRCP>& functionParms)
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{
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fFunctionParms = functionParms;
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}
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/** get partition columns */
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inline const std::vector<SRCP>& partitions() const
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{
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return fPartitions;
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}
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/** get partition columns */
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inline const std::vector<SRCP>& partitions() const
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{
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return fPartitions;
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}
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/** set partition columns */
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inline void partitions(const std::vector<SRCP>& partitions)
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{
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fPartitions = partitions;
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}
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/** set partition columns */
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inline void partitions(const std::vector<SRCP>& partitions)
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{
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fPartitions = partitions;
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}
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/** get order by clause */
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inline const WF_OrderBy& orderBy() const
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{
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return fOrderBy;
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}
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/** get order by clause */
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inline const WF_OrderBy& orderBy() const
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{
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return fOrderBy;
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}
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/** set order by clause */
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inline void orderBy(const WF_OrderBy& orderBy)
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{
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fOrderBy = orderBy;
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}
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/** set order by clause */
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inline void orderBy(const WF_OrderBy& orderBy)
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{
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fOrderBy = orderBy;
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}
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/** make a clone of this window function */
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inline virtual WindowFunctionColumn* clone() const
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{
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return new WindowFunctionColumn(*this);
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}
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/** make a clone of this window function */
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inline virtual WindowFunctionColumn* clone() const
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{
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return new WindowFunctionColumn (*this);
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}
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std::vector<SRCP> getColumnList() const;
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std::vector<SRCP> getColumnList() const;
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/** output the function for debug purpose */
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const std::string toString() const;
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/** output the function for debug purpose */
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const std::string toString() const;
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/**
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* The serialization interface
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*/
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virtual void serialize(messageqcpp::ByteStream&) const;
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virtual void unserialize(messageqcpp::ByteStream&);
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/**
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* The serialization interface
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*/
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virtual void serialize(messageqcpp::ByteStream&) const;
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virtual void unserialize(messageqcpp::ByteStream&);
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// util function for connector to use.
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void addToPartition(std::vector<SRCP>& groupByList);
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// util function for connector to use.
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void addToPartition(std::vector<SRCP>& groupByList);
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using ReturnedColumn::hasAggregate;
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virtual bool hasAggregate()
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{
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return false;
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}
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virtual bool hasWindowFunc();
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void adjustResultType();
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using ReturnedColumn::hasAggregate;
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virtual bool hasAggregate()
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{
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return false;
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}
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virtual bool hasWindowFunc();
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void adjustResultType();
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// UDAnF support
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mcsv1sdk::mcsv1Context& getUDAFContext()
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{
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return udafContext;
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}
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const mcsv1sdk::mcsv1Context& getUDAFContext() const
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{
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return udafContext;
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}
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// UDAnF support
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mcsv1sdk::mcsv1Context& getUDAFContext()
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{
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return udafContext;
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}
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const mcsv1sdk::mcsv1Context& getUDAFContext() const
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{
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return udafContext;
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}
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inline const std::string timeZone() const
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{
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return fTimeZone;
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}
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inline const std::string timeZone () const
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{
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return fTimeZone;
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}
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inline void timeZone(const std::string& timeZone)
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{
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fTimeZone = timeZone;
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}
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inline void timeZone (const std::string& timeZone)
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{
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fTimeZone = timeZone;
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}
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private:
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/**
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* Fields
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*/
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std::string fFunctionName; /// function name
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std::vector<SRCP> fFunctionParms; /// function arguments
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std::vector<SRCP> fPartitions; /// partition by clause
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WF_OrderBy fOrderBy; /// order by clause
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private:
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/**
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* Fields
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*/
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std::string fFunctionName; /// function name
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std::vector<SRCP> fFunctionParms; /// function arguments
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std::vector<SRCP> fPartitions; /// partition by clause
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WF_OrderBy fOrderBy; /// order by clause
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// not support for window functions for now.
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virtual bool operator==(const TreeNode* t) const
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{
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return false;
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}
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bool operator==(const WindowFunctionColumn& t) const;
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virtual bool operator!=(const TreeNode* t) const
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{
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return false;
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}
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bool operator!=(const WindowFunctionColumn& t) const;
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// not support for window functions for now.
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virtual bool operator==(const TreeNode* t) const
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{
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return false;
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}
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bool operator==(const WindowFunctionColumn& t) const;
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virtual bool operator!=(const TreeNode* t) const
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{
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return false;
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}
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bool operator!=(const WindowFunctionColumn& t) const;
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// UDAnF support
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mcsv1sdk::mcsv1Context udafContext;
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// UDAnF support
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mcsv1sdk::mcsv1Context udafContext;
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std::string fTimeZone;
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/***********************************************************
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* F&E framework *
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***********************************************************/
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public:
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virtual const std::string& getStrVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getStrVal(fTimeZone);
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}
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std::string fTimeZone;
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/***********************************************************
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* F&E framework *
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***********************************************************/
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public:
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virtual const std::string& getStrVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getStrVal(fTimeZone);
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}
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virtual int64_t getIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getIntVal();
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}
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virtual int64_t getIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getIntVal();
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}
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virtual uint64_t getUintVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getUintVal();
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}
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virtual uint64_t getUintVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getUintVal();
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}
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virtual float getFloatVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getFloatVal();
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}
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virtual float getFloatVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getFloatVal();
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}
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virtual double getDoubleVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDoubleVal();
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}
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virtual double getDoubleVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDoubleVal();
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}
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virtual long double getLongDoubleVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getLongDoubleVal();
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}
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virtual long double getLongDoubleVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getLongDoubleVal();
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}
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virtual IDB_Decimal getDecimalVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDecimalVal();
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}
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virtual int32_t getDateIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDateIntVal();
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}
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virtual int64_t getDatetimeIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDatetimeIntVal();
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}
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virtual int64_t getTimestampIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getTimestampIntVal();
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}
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virtual int64_t getTimeIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getTimeIntVal();
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}
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virtual IDB_Decimal getDecimalVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDecimalVal();
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}
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virtual int32_t getDateIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDateIntVal();
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}
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virtual int64_t getDatetimeIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getDatetimeIntVal();
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}
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virtual int64_t getTimestampIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getTimestampIntVal();
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}
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virtual int64_t getTimeIntVal(rowgroup::Row& row, bool& isNull)
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{
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evaluate(row, isNull);
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return TreeNode::getTimeIntVal();
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}
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private:
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void evaluate(rowgroup::Row& row, bool& isNull);
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private:
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void evaluate(rowgroup::Row& row, bool& isNull);
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};
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/**
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* ostream operator
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*/
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* ostream operator
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*/
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std::ostream& operator<<(std::ostream& output, const WindowFunctionColumn& rhs);
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/**
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@ -260,4 +261,4 @@ std::ostream& operator<<(std::ostream& output, const WindowFunctionColumn& rhs);
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*/
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void getWindowFunctionCols(ParseTree* n, void* obj);
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}
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} // namespace execplan
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