// @(#)root/sql:$Id: TSQLStructure.h 20882 2007-11-19 11:31:26Z rdm $ // Author: Sergey Linev 20/11/2005 /************************************************************************* * Copyright (C) 1995-2005, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TSQLStructure #define ROOT_TSQLStructure ///////////////////////////////////////////////////////////////////////// // // // TSQLStructure is special class, used in TSQLBuffer for data convers // // // ///////////////////////////////////////////////////////////////////////// #ifndef ROOT_TNamed #include "TNamed.h" #endif #ifndef ROOT_TObjArray #include "TObjArray.h" #endif #ifndef ROOT_TAttAxis #include "TAttAxis.h" #endif class TStreamerInfo; class TStreamerInfo; class TStreamerElement; class TSQLFile; class TSqlRegistry; class TSqlRawBuffer; class TSQLObjectData; class TSQLClassInfo; class TBufferSQL2; class TSQLColumnData : public TObject { protected: TString fName; //! name of the table column TString fType; //! type of the table column TString fValue; //! value of the table column Bool_t fNumeric; //! for numeric quotes (double quotes) are not required public: TSQLColumnData(); TSQLColumnData(const char* name, const char* sqltype, const char* value, Bool_t numeric); TSQLColumnData(const char* name, Long64_t value); virtual ~TSQLColumnData(); virtual const char* GetName() const { return fName.Data(); } const char* GetType() const { return fType.Data(); } const char* GetValue() const { return fValue.Data(); } Bool_t IsNumeric() const { return fNumeric; } ClassDef(TSQLColumnData, 1); // Single SQL column data. }; //______________________________________________________________________ class TSQLTableData : public TObject { protected: TSQLFile* fFile; //! TSQLClassInfo* fInfo; //! TObjArray fColumns; //! collection of columns TObjArray* fColInfos; //! array with TSQLClassColumnInfo, used later for TSQLClassInfo TString DefineSQLName(const char* fullname); Bool_t HasSQLName(const char* sqlname); public: TSQLTableData(TSQLFile* f = 0, TSQLClassInfo* info = 0); virtual ~TSQLTableData(); void AddColumn(const char* name, Long64_t value); void AddColumn(const char* name, const char* sqltype, const char* value, Bool_t numeric); TObjArray* TakeColInfos(); Int_t GetNumColumns(); const char* GetColumn(Int_t n); Bool_t IsNumeric(Int_t n); ClassDef(TSQLTableData, 1); // Collection of columns data for single SQL table }; //______________________________________________________________________ class TSQLStructure : public TObject { protected: Bool_t CheckNormalClassPair(TSQLStructure* vers, TSQLStructure* info); Long64_t FindMaxObjectId(); void PerformConversion(TSqlRegistry* reg, TSqlRawBuffer* blobs, const char* topname, Bool_t useblob = kFALSE); Bool_t StoreObject(TSqlRegistry* reg, Long64_t objid, TClass* cl, Bool_t registerobj = kTRUE); Bool_t StoreObjectInNormalForm(TSqlRegistry* reg); Bool_t StoreClassInNormalForm(TSqlRegistry* reg); Bool_t StoreElementInNormalForm(TSqlRegistry* reg, TSQLTableData* columns); Bool_t TryConvertObjectArray(TSqlRegistry* reg, TSqlRawBuffer* blobs); Bool_t StoreTObject(TSqlRegistry* reg); Bool_t StoreTString(TSqlRegistry* reg); Bool_t RecognizeTString(const char* &value); TSQLStructure* fParent; //! Int_t fType; //! const void* fPointer; //! TString fValue; //! Int_t fArrayIndex; //! Int_t fRepeatCnt; //! TObjArray fChilds; //! public: TSQLStructure(); virtual ~TSQLStructure(); TSQLStructure* GetParent() const { return fParent; } void SetParent(TSQLStructure* p) { fParent = p; } Int_t NumChilds() const; TSQLStructure* GetChild(Int_t n) const; void SetType(Int_t typ) { fType = typ; } Int_t GetType() const { return fType; } // this part requried for writing to SQL tables void SetObjectRef(Long64_t refid, const TClass* cl); void SetObjectPointer(Long64_t ptrid); void SetVersion(const TClass* cl, Int_t version = -100); void SetClassStreamer(const TClass* cl); void SetStreamerInfo(const TStreamerInfo* info); void SetStreamerElement(const TStreamerElement* elem, Int_t number); void SetCustomClass(const TClass* cl, Version_t version); void SetCustomElement(TStreamerElement* elem); void SetValue(const char* value, const char* tname = 0); void SetArrayIndex(Int_t indx, Int_t cnt=1); void SetArray(Int_t sz = -1); void ChangeValueOnly(const char* value); TClass* GetObjectClass() const; TClass* GetVersionClass() const; TStreamerInfo* GetStreamerInfo() const; TStreamerElement* GetElement() const; Int_t GetElementNumber() const; TClass* GetCustomClass() const; Version_t GetCustomClassVersion() const; Bool_t GetClassInfo(TClass* &cl, Version_t &version); const char* GetValueType() const; const char* GetValue() const; Int_t GetArrayIndex() const { return fArrayIndex; } Int_t GetRepeatCounter() const { return fRepeatCnt; } void Add(TSQLStructure* child); void AddVersion(const TClass* cl, Int_t version = -100); void AddValue(const char* value, const char* tname = 0); void ChildArrayIndex(Int_t index, Int_t cnt = 1); // this is part specially for reading of sql tables Long64_t DefineObjectId(Bool_t recursive = kTRUE); void SetObjectData(TSQLObjectData* objdata); void AddObjectData(TSQLObjectData* objdata); TSQLObjectData* GetObjectData(Bool_t search = false); virtual void Print(Option_t* option = "") const; void PrintLevel(Int_t level) const; Bool_t ConvertToTables(TSQLFile* f, Long64_t keyid, TObjArray* cmds); Int_t LocateElementColumn(TSQLFile* f, TBufferSQL2* buf, TSQLObjectData* data); static Bool_t UnpackTObject(TSQLFile* f, TBufferSQL2* buf, TSQLObjectData* data, Long64_t objid, Int_t clversion); static Bool_t UnpackTString(TSQLFile* f, TBufferSQL2* buf, TSQLObjectData* data, Long64_t objid, Int_t clversion); static Bool_t IsNumericType(Int_t typ); static const char* GetSimpleTypeName(Int_t typ); static TString MakeArrayIndex(TStreamerElement* elem, Int_t n); static Int_t DefineElementColumnType(TStreamerElement* elem, TSQLFile* f); static TString DefineElementColumnName(TStreamerElement* elem, TSQLFile* f, Int_t indx = 0); static void AddStrBrackets(TString &s, const char* quote); enum ESQLTypes { kSqlObject = 10001, kSqlPointer = 10002, kSqlVersion = 10003, kSqlStreamerInfo = 10004, kSqlClassStreamer= 10005, kSqlElement = 10006, kSqlValue = 10007, kSqlArray = 10008, kSqlObjectData = 10009, kSqlCustomClass = 10010, kSqlCustomElement= 10011 }; enum ESQLColumns { kColUnknown = 0, kColSimple = 1, kColSimpleArray = 2, kColParent = 3, kColObject = 4, kColObjectArray = 5, kColNormObject = 6, kColNormObjectArray = 7, kColObjectPtr = 8, kColTString = 9, kColRawData = 10 }; enum ESQLIdType { kIdTable = 0, kIdRawTable = 1, kIdColumn = 2 }; ClassDef(TSQLStructure, 1); // Table/structure description used internally by YBufferSQL. }; // text constants, used in SQL I/O namespace sqlio { extern Long64_t atol64(const char* value); extern const Int_t Ids_NullPtr; extern const Int_t Ids_RootDir; extern const Int_t Ids_TSQLFile; extern const Int_t Ids_StreamerInfos; extern const Int_t Ids_FirstKey; extern const Int_t Ids_FirstObject; extern const char* ObjectRef; extern const char* ObjectRef_Arr; extern const char* ObjectPtr; extern const char* ObjectInst; extern const char* Version; extern const char* TObjectUniqueId; extern const char* TObjectBits; extern const char* TObjectProcessId; extern const char* TStringValue; extern const char* IndexSepar; extern const char* RawSuffix; extern const char* ParentSuffix; extern const char* ObjectSuffix; extern const char* PointerSuffix; extern const char* StrSuffix; extern const char* LongStrPrefix; extern const char* Array; extern const char* Bool; extern const char* Char; extern const char* Short; extern const char* Int; extern const char* Long; extern const char* Long64; extern const char* Float; extern const char* Double; extern const char* UChar; extern const char* UShort; extern const char* UInt; extern const char* ULong; extern const char* ULong64; extern const char* CharStar; extern const char* True; extern const char* False; extern const char* KeysTable; extern const char* KeysTableIndex; extern const char* KT_Name; extern const char* KT_Title; extern const char* KT_Datetime; extern const char* KT_Cycle; extern const char* KT_Class; extern const char* DT_Create; extern const char* DT_Modified; extern const char* DT_UUID; extern const char* ObjectsTable; extern const char* ObjectsTableIndex; extern const char* OT_Class; extern const char* OT_Version; extern const char* IdsTable; extern const char* IdsTableIndex; extern const char* IT_TableID; extern const char* IT_SubID; extern const char* IT_Type; extern const char* IT_FullName; extern const char* IT_SQLName; extern const char* IT_Info; extern const char* BT_Field; extern const char* BT_Value; extern const char* StringsTable; extern const char* ST_Value; extern const char* ConfigTable; extern const char* CT_Field; extern const char* CT_Value; extern const char* cfg_Version; extern const char* cfg_UseSufixes; extern const char* cfg_ArrayLimit; extern const char* cfg_TablesType; extern const char* cfg_UseTransactions; extern const char* cfg_UseIndexes; extern const char* cfg_LockingMode; extern const char* cfg_ModifyCounter; }; #endif