68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
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//***************************************************************************
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//
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// (c) 1999-2001 by Microsoft Corp. All Rights Reserved.
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//
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// wqltosql.h
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//
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// cvadai 19-Mar-99 Created as prototype for Quasar.
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//
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//***************************************************************************
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#ifndef _WQLTOSQL_H_
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#define _WQLTOSQL_H_
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typedef __int64 SQL_ID;
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struct C_wchar_LessCase
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{
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bool operator()(const wchar_t * _X, const wchar_t * _Y) const
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{
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return (_wcsicmp( _X,_Y ) < 0);
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}
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};
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class CWmiDbHandle;
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class CSchemaCache;
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// WQL - SQL converter
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class CSQLBuilder
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{
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public:
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// Generic SQL
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HRESULT FormatSQL (SQL_ID dScopeId, SQL_ID dScopeClassId, SQL_ID dSuperScope,
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IWbemQuery *pQuery, _bstr_t &sSQL, DWORD dwFlags,
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DWORD dwHandleType, SQL_ID *dClassId=0,
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BOOL *bHierarchyQuery=0, BOOL bTmpTblOK=TRUE, BOOL *bDelete=NULL,
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BOOL *bDefault=NULL);
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HRESULT FormatSQL (SQL_ID dScopeId, SQL_ID dScopeClassId, SQL_ID dSuperScope,
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SQL_ID dTargetObjID, LPWSTR pResultClass,
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LPWSTR pAssocClass, LPWSTR pRole, LPWSTR pResultRole, LPWSTR pRequiredQualifier,
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LPWSTR pRequiredAssocQualifier, DWORD dwQueryType, _bstr_t &sSQL, DWORD dwFlags,
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DWORD dwHandleType, SQL_ID *dAssocClass=0, SQL_ID *dResultClass=0, BOOL bIsClass=FALSE);
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CSQLBuilder(CSchemaCache *pSchema) {m_pSchema = pSchema;};
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~CSQLBuilder(){};
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private:
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HRESULT FormatWhereClause (SWQLNode_RelExpr *pNode, _bstr_t &sSQL, LPCWSTR lpJoinAlias, bool &bSysPropsUsed);
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HRESULT GetStorageTable(DWORD dwStorage, DWORD dwKey, _bstr_t &sTable);
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HRESULT GetPropertyID (SQL_ID dClassID, SWQLQualifiedName *pQN, LPCWSTR pColRef, DWORD &PropID, DWORD &Storage, DWORD &Flags);
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HRESULT FunctionalizeProperty (LPCWSTR lpAlias, DWORD dwType, LPWSTR lpFuncName, SWQLNode *pFunction, LPWSTR lpColName, _bstr_t &sProp);
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HRESULT FunctionalizeValue(SWQLTypedConst *pValue, DWORD dwType, LPWSTR lpFuncName, _bstr_t &sValue);
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HRESULT FormatSimpleSelect (LPCWSTR lpUseAlias, LPCWSTR lpColName,SWQLNode *pTop, _bstr_t &sSQL);
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HRESULT FormatPositionQuery (SWQLQualifiedNameField *pQNF, int iPos, LPCWSTR lpAlias, _bstr_t &sQuery);
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HRESULT GetClassFromNode (SWQLNode *pNode, BOOL *bDefaultStorage=NULL);
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SQL_ID m_dClassID;
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DWORD m_dwTableCount;
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bool m_bClassSpecified;
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SQL_ID m_dNamespace;
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CSchemaCache *m_pSchema;
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};
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#endif
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