diff options
Diffstat (limited to 'storage/connect/tabdos.h')
| -rw-r--r-- | storage/connect/tabdos.h | 63 |
1 files changed, 59 insertions, 4 deletions
diff --git a/storage/connect/tabdos.h b/storage/connect/tabdos.h index 79a2659fb70..1c772e8bf23 100644 --- a/storage/connect/tabdos.h +++ b/storage/connect/tabdos.h @@ -12,9 +12,12 @@ #include "xtable.h" // Table base class declares #include "colblk.h" // Column base class declares #include "xindex.h" +#include "filter.h" //pedef struct _tabdesc *PTABD; // For friend setting typedef class TXTFAM *PTXF; +typedef class BLOCKFILTER *PBF; +typedef class BLOCKINDEX *PBX; /***********************************************************************/ /* DOS table. */ @@ -47,6 +50,11 @@ class DllExport DOSDEF : public TABDEF { /* Logical table description */ bool GetEof(void) {return Eof;} int GetBlksize(void) {return Blksize;} int GetEnding(void) {return Ending;} + bool IsOptimized(void) {return (Optimized == 1);} + void SetOptimized(int opt) {Optimized = opt;} + void SetAllocBlks(int blks) {AllocBlks = blks;} + int GetAllocBlks(void) {return AllocBlks;} + int *GetTo_Pos(void) {return To_Pos;} // Methods virtual int Indexable(void) @@ -55,6 +63,8 @@ class DllExport DOSDEF : public TABDEF { /* Logical table description */ virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff); virtual PTDB GetTable(PGLOBAL g, MODE mode); bool InvalidateIndex(PGLOBAL g); + bool GetOptFileName(PGLOBAL g, char *filename); + void RemoveOptValues(PGLOBAL g); protected: //virtual bool Erase(char *filename); @@ -69,6 +79,9 @@ class DllExport DOSDEF : public TABDEF { /* Logical table description */ bool Huge; /* true for files larger than 2GB */ bool Accept; /* true if wrong lines are accepted (DBF)*/ bool Eof; /* true if an EOF (0xA) character exists */ + int *To_Pos; /* To array of block starting positions */ + int Optimized; /* 0: No, 1:Yes, 2:Redo optimization */ + int AllocBlks; /* Number of suballocated opt blocks */ int Compressed; /* 0: No, 1: gz, 2:zlib compressed file */ int Lrecl; /* Size of biggest record */ int AvgLen; /* Average size of records */ @@ -112,6 +125,7 @@ class DllExport TDBDOS : public TDBASE { virtual AMT GetAmType(void) {return Txfp->GetAmType();} virtual PSZ GetFile(PGLOBAL g) {return Txfp->To_File;} virtual void SetFile(PGLOBAL g, PSZ fn) {Txfp->To_File = fn;} + virtual void SetAbort(bool b) {Abort = b;} virtual RECFM GetFtype(void) {return Ftype;} virtual bool SkipHeader(PGLOBAL g) {return false;} virtual void RestoreNrec(void) {Txfp->SetNrec(1);} @@ -122,8 +136,15 @@ class DllExport TDBDOS : public TDBASE { virtual PTDB CopyOne(PTABS t); virtual void ResetDB(void) {Txfp->Reset();} virtual bool IsUsingTemp(PGLOBAL g); + virtual bool IsIndexed(void) {return Indxd;} virtual void ResetSize(void) {MaxSize = Cardinal = -1;} - virtual int ResetTableOpt(PGLOBAL g, bool dox); + virtual int ResetTableOpt(PGLOBAL g, bool dop, bool dox); + virtual int MakeBlockValues(PGLOBAL g); + virtual bool SaveBlockValues(PGLOBAL g); + virtual bool GetBlockValues(PGLOBAL g); + virtual PBF InitBlockFilter(PGLOBAL g, PFIL filp); +//virtual PBX InitBlockIndex(PGLOBAL g); + virtual int TestBlock(PGLOBAL g); virtual void PrintAM(FILE *f, char *m); // Database routines @@ -132,7 +153,7 @@ class DllExport TDBDOS : public TDBASE { virtual int GetFileLength(PGLOBAL g) {return Txfp->GetFileLength(g);} virtual int GetProgMax(PGLOBAL g); virtual int GetProgCur(void); - virtual int GetAffectedRows(void) {return Txfp->GetDelRows();} +//virtual int GetAffectedRows(void) {return Txfp->GetDelRows();} virtual int GetRecpos(void) {return Txfp->GetPos();} virtual bool SetRecpos(PGLOBAL g, int recpos) {return Txfp->SetPos(g, recpos);} @@ -151,15 +172,26 @@ class DllExport TDBDOS : public TDBASE { // Optimization routines virtual int MakeIndex(PGLOBAL g, PIXDEF pxdf, bool add); + bool InitialyzeIndex(PGLOBAL g, PIXDEF xdp, bool sorted); + void ResetBlockFilter(PGLOBAL g); + bool GetDistinctColumnValues(PGLOBAL g, int nrec); protected: + virtual bool PrepareWriting(PGLOBAL g); + PBF CheckBlockFilari(PGLOBAL g, PXOB *arg, int op, bool *cnv); + // Members PTXF Txfp; // To the File access method class +//PBX To_BlkIdx; // To index test block + PBF To_BlkFil; // To evaluation block filter + PFIL SavFil; // Saved hidden filter char *To_Line; // Points to current processed line - int Cardinal; // Table Cardinality - RECFM Ftype; // File type: 0-var 1-fixed 2-binary (VCT) + bool Abort; // TRUE when aborting UPDATE/DELETE + bool Indxd; // TRUE for indexed UPDATE/DELETE int Lrecl; // Logical Record Length int AvgLen; // Logical Record Average Length +//int Xeval; // BlockTest return value + int Beval; // BlockEval return value }; // end of class TDBDOS /***********************************************************************/ @@ -178,19 +210,38 @@ class DllExport DOSCOL : public COLBLK { // Implementation virtual int GetAmType(void) {return TYPE_AM_DOS;} virtual void SetTo_Val(PVAL valp) {To_Val = valp;} + virtual int GetClustered(void) {return Clustered;} + virtual int IsClustered(void) {return (Clustered && + ((PDOSDEF)(((PTDBDOS)To_Tdb)->To_Def))->IsOptimized());} + virtual int IsSorted(void) {return Sorted;} + virtual PVBLK GetMin(void) {return Min;} + virtual PVBLK GetMax(void) {return Max;} + virtual int GetNdv(void) {return Ndv;} + virtual int GetNbm(void) {return Nbm;} + virtual PVBLK GetBmap(void) {return Bmap;} + virtual PVBLK GetDval(void) {return Dval;} // Methods + virtual bool VarSize(void); virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check); virtual void ReadColumn(PGLOBAL g); virtual void WriteColumn(PGLOBAL g); virtual void Print(PGLOBAL g, FILE *, uint); protected: + virtual bool SetMinMax(PGLOBAL g); + virtual bool SetBitMap(PGLOBAL g); + bool CheckSorted(PGLOBAL g); + bool AddDistinctValue(PGLOBAL g); // Default constructor not to be used DOSCOL(void) {} // Members + PVBLK Min; // Array of block min values + PVBLK Max; // Array of block max values + PVBLK Bmap; // Array of block bitmap values + PVBLK Dval; // Array of column distinct values PVAL To_Val; // To value used for Update/Insert PVAL OldVal; // The previous value of the object. char *Buf; // Buffer used in read/write operations @@ -199,6 +250,10 @@ class DllExport DOSCOL : public COLBLK { bool Nod; // True if no decimal point int Dcm; // Last Dcm digits are decimals int Deplac; // Offset in dos_buf + int Clustered; // 0:No 1:Yes + int Sorted; // 0:No 1:Asc (2:Desc - NIY) + int Ndv; // Number of distinct values + int Nbm; // Number of uint in bitmap }; // end of class DOSCOL #endif // __TABDOS_H |