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CQueryFuncPromoteBetween Class Reference

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class CQueryFuncPromoteBetween More...

#include <gui/objutils/query_func_promote.hpp>

+ Inheritance diagram for CQueryFuncPromoteBetween:
+ Collaboration diagram for CQueryFuncPromoteBetween:

Public Member Functions

 CQueryFuncPromoteBetween (NStr::ECase c=NStr::eCase)
 Ctor. More...
 
virtual void Evaluate (CQueryParseTree::TNode &qnode)
 Evaluate the node to see if 'Between' returns true. More...
 
virtual size_t GetArgCountMin (CQueryParseNode::EType)
 27 between 10 and 30 => 3 arguments for between operator More...
 
virtual size_t GetArgCountMax (CQueryParseNode::EType)
 
- Public Member Functions inherited from CQueryFuncGtLtCompares
 CQueryFuncGtLtCompares (CQueryParseNode::EType op_type, NStr::ECase c=NStr::eCase)
 Ctor. More...
 
virtual void InitTypePromotionRules (CQueryParseNode::EType op_type)
 Initialize promotion table for the comparisons. More...
 
- Public Member Functions inherited from CQueryFuncPromoteCompare
 CQueryFuncPromoteCompare (CQueryParseNode::EType op_type, NStr::ECase c=NStr::eCase, CStringMatching::EStringMatching matching=(CStringMatching::ePlainSearch))
 Ctors for compare must include op_type for loading promotion rules. More...
 
- Public Member Functions inherited from CQueryFuncPromoteBase
 CQueryFuncPromoteBase ()
 
void SetCaseSensitive (NStr::ECase e)
 Get/set case sensitivity for all string compares for this function. More...
 
NStr::ECase GetCaseSensitive () const
 
void SetStringMatching (CStringMatching::EStringMatching m)
 Get/set string matching algorithm. More...
 
CStringMatching::EStringMatching GetStringMatching () const
 
TEvalResultGetQueryNodeValue (CQueryParseTree::TNode &qnode)
 Get the user object for node 'qnode' or NULL if not created. More...
 
TEvalResultMakeQueryNodeValue (CQueryParseTree::TNode &qnode)
 Get user object for 'qnode' or create a new object if it doesn't exist. More...
 
void PreProcess (CQueryParseTree::TNode &tr, objects::CScope *scope)
 Resolve, if possible, the data type for the query node tr and, for operator nodes (e.g. More...
 
QueryValueType::EBaseType ResolveAndPromote (size_t comparison_idx, CQueryParseTree::TNode &qnode, CQueryParseTree::TNode *arg1, CQueryParseTree::TNode *arg2)
 For the operator in 'qnode', retrive from data source (if ncessary) the data values arg1 and arg2 and promote the values, if needed, to the required type needed for comparison. More...
 
QueryValueType::EBaseType GetPromotedType (const CPromoteRule &pr)
 Given data from two nodes and a comparison operator (e.g. More...
 
bool ResolveFieldValue (TEvalResult &tree_val)
 Get the value of a field from the data source and store the result in the CQueryNodeValue object. More...
 
bool SetCompareType (TEvalResult &tree_value)
 Given data for a node, determine its underlying data type (e.g. More...
 
- Public Member Functions inherited from CQueryFunctionBase
virtual ~CQueryFunctionBase ()
 
virtual bool EvaluateChildrenFirst () const
 Do we evaluate before visiting the nodes children or after. More...
 

Additional Inherited Members

- Public Types inherited from CQueryFuncPromoteBase
typedef CQueryNodeValue TEvalResult
 
- Public Types inherited from CQueryFunctionBase
typedef vector< CQueryParseTree::TNode * > TArgVector
 Vector for easy argument access. More...
 
- Protected Member Functions inherited from CQueryFuncPromoteBase
void AddPromoteTypes (CQueryParseNode::EType op, QueryValueType::EBaseType type1, QueryValueType::EBaseType type2, QueryValueType::EBaseType ptype)
 Add the promtion rules for both 'type1 op type2' and 'type2 op type1'. More...
 
- Protected Member Functions inherited from CQueryFunctionBase
CQueryExecGetExec ()
 Get reference on parent execution environment. More...
 
CQueryParseTreeGetQueryTree ()
 Get query tree (execution context) More...
 
void MakeArgVector (CQueryParseTree::TNode &qnode, TArgVector &args)
 Created vector of arguments (translate sub-nodes to vector) More...
 
CQueryParseTree::TNodeGetArg0 (CQueryParseTree::TNode &qnode)
 Get first sub-node. More...
 
- Protected Attributes inherited from CQueryFuncPromoteBase
std::vector< CPromoteRulem_PromoteRules
 Vector of sorted promotion rules. More...
 
NStr::ECase m_CaseSensitive
 If true, all string comparisons by subclasses will use case-sensitive comparisons, otherwise not. More...
 
CStringMatching::EStringMatching m_StringMatchAlgo
 Determines how string equality comaparisons will be handled (wildcards, regex, exact..) More...
 
- Protected Attributes inherited from CQueryFunctionBase
CQueryExecm_QExec
 

Detailed Description

class CQueryFuncPromoteBetween

Query execution function for the 'Between' operator

Definition at line 379 of file query_func_promote.hpp.

Constructor & Destructor Documentation

◆ CQueryFuncPromoteBetween()

CQueryFuncPromoteBetween::CQueryFuncPromoteBetween ( NStr::ECase  c = NStr::eCase)

Member Function Documentation

◆ Evaluate()

void CQueryFuncPromoteBetween::Evaluate ( CQueryParseTree::TNode qnode)
virtual

◆ GetArgCountMax()

virtual size_t CQueryFuncPromoteBetween::GetArgCountMax ( CQueryParseNode::EType  )
inlinevirtual

Reimplemented from CQueryFuncPromoteBase.

Definition at line 390 of file query_func_promote.hpp.

◆ GetArgCountMin()

virtual size_t CQueryFuncPromoteBetween::GetArgCountMin ( CQueryParseNode::EType  )
inlinevirtual

27 between 10 and 30 => 3 arguments for between operator

Reimplemented from CQueryFuncPromoteBase.

Definition at line 389 of file query_func_promote.hpp.


The documentation for this class was generated from the following files:
Modified on Wed Feb 21 09:57:39 2024 by modify_doxy.py rev. 669887