Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 295 insertions, 0 deletions

diff --git a/storage/connect/blkfil.h b/storage/connect/blkfil.h
new file mode 100644
index 00000000..27e6fd4b
--- /dev/null
+++ b/storage/connect/blkfil.h
@@ -0,0 +1,295 @@
+/*************** BlkFil H Declares Source Code File (.H) ***************/
+/*  Name: BLKFIL.H    Version 2.1                                      */
+/*                                                                     */
+/*  (C) Copyright to the author Olivier BERTRAND          2004-2010    */
+/*                                                                     */
+/*  This file contains the block optimization related classes declares */
+/***********************************************************************/
+#ifndef __BLKFIL__
+#define __BLKFIL__
+
+typedef class BLOCKFILTER *PBF;
+typedef class BLOCKINDEX  *PBX;
+
+/***********************************************************************/
+/*  Definition of class BLOCKFILTER.                                   */
+/***********************************************************************/
+class DllExport BLOCKFILTER : public BLOCK {           /* Block Filter */
+  friend class BLKFILLOG;
+ public:
+  // Constructors
+  BLOCKFILTER(PTDBDOS tdbp, int op);
+
+  // Implementation
+          int  GetResult(void) {return Result;}
+          bool Correlated(void) {return Correl;}
+
+  // Methods
+  virtual void Reset(PGLOBAL) = 0;
+  virtual int  BlockEval(PGLOBAL) = 0;
+  virtual void Printf(PGLOBAL g, FILE *f, uint n);
+  virtual void Prints(PGLOBAL g, char *ps, uint z);
+
+ protected:
+  BLOCKFILTER(void) = default;       // Standard constructor not to be used
+
+  // Members
+  PTDBDOS Tdbp;         // Owner TDB
+  bool    Correl;       // TRUE for correlated subqueries
+  int     Opc;          // Comparison operator
+  int     Opm;          // Operator modificator
+  int     Result;       // Result from evaluation
+  }; // end of class BLOCKFILTER
+
+/***********************************************************************/
+/*  Definition of class BLKFILLOG (with Op=OP_AND,OP_OR, or OP_NOT)    */
+/***********************************************************************/
+class DllExport BLKFILLOG : public BLOCKFILTER { /* Logical Op Block Filter */
+ public:
+  // Constructors
+  BLKFILLOG(PTDBDOS tdbp, int op, PBF *bfp, int n);
+
+  // Methods
+  virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+
+ protected:
+  BLKFILLOG(void) = default;       // Standard constructor not to be used
+
+  // Members
+  PBF *Fil;                // Points to Block filter args
+  int N;
+  }; // end of class BLKFILLOG
+
+/***********************************************************************/
+/*  Definition of class BLKFILARI (with Op=OP_EQ,NE,GT,GE,LT, or LE)   */
+/***********************************************************************/
+class DllExport BLKFILARI : public BLOCKFILTER { /* Arithm. Op Block Filter */
+ public:
+  // Constructors
+  BLKFILARI(PGLOBAL g, PTDBDOS tdbp, int op, PXOB *xp);
+
+  // Methods
+  virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+  virtual void MakeValueBitmap(void) {}
+
+ protected:
+  BLKFILARI(void) = default;       // Standard constructor not to be used
+
+  // Members
+  PDOSCOL Colp;            // Points to column argument
+  PCOL    Cpx;             // Point to subquery "constant" column
+  PVAL    Valp;            // Points to constant argument Value
+  bool    Sorted;          // True if the column is sorted
+  }; // end of class BLKFILARI
+
+/***********************************************************************/
+/*  Definition of class BLKFILAR2 (with Op=OP_EQ,NE,GT,GE,LT, or LE)   */
+/***********************************************************************/
+class DllExport BLKFILAR2 : public BLKFILARI { /* Arithm. Op Block Filter */
+ public:
+  // Constructors
+  BLKFILAR2(PGLOBAL g, PTDBDOS tdbp, int op, PXOB *xp);
+
+  // Methods
+  virtual int  BlockEval(PGLOBAL g);
+  virtual void MakeValueBitmap(void);
+
+ protected:
+  BLKFILAR2(void) = default;       // Standard constructor not to be used
+
+  // Members
+  uint Bmp;                // The value bitmap used to test blocks
+  uint Bxp;                // Bitmap used when Opc = OP_EQ
+  }; // end of class BLKFILAR2
+
+/***********************************************************************/
+/*  Definition of class BLKFILAR2 (with Op=OP_EQ,NE,GT,GE,LT, or LE)   */
+/*  To be used when the bitmap is an array of ULONG bitmaps;           */
+/***********************************************************************/
+class DllExport BLKFILMR2 : public BLKFILARI { /* Arithm. Op Block Filter */
+ public:
+  // Constructors
+  BLKFILMR2(PGLOBAL g, PTDBDOS tdbp, int op, PXOB *xp);
+
+  // Methods
+  virtual int  BlockEval(PGLOBAL g);
+  virtual void MakeValueBitmap(void);
+
+ protected:
+  BLKFILMR2(void) = default;       // Standard constructor not to be used
+
+  // Members
+  int    Nbm;              // The number of ULONG bitmaps
+  int    N;                // The position of the leftmost ULONG
+  bool   Void;             // True if all file blocks can be skipped
+  uint  *Bmp;              // The values bitmaps used to test blocks
+  uint  *Bxp;              // Bit of values <= max value
+  }; // end of class BLKFILMR2
+
+/***********************************************************************/
+/*  Definition of class BLKSPCARI (with Op=OP_EQ,NE,GT,GE,LT, or LE)   */
+/***********************************************************************/
+class DllExport BLKSPCARI : public BLOCKFILTER { /* Arithm. Op Block Filter */
+ public:
+  // Constructors
+  BLKSPCARI(PTDBDOS tdbp, int op, PXOB *xp, int bsize);
+
+  // Methods
+  virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+
+ protected:
+  BLKSPCARI(void) = default;       // Standard constructor not to be used
+
+  // Members
+  PCOL    Cpx;             // Point to subquery "constant" column
+  PVAL    Valp;            // Points to constant argument Value
+  int     Val;             // Constant argument Value
+  int     Bsize;           // Table block size
+  }; // end of class BLKSPCARI
+
+/***********************************************************************/
+/*  Definition of class BLKFILIN (with Op=OP_IN)                       */
+/***********************************************************************/
+class DllExport BLKFILIN : public BLOCKFILTER {  // With array arguments.
+ public:
+  // Constructors
+  BLKFILIN(PGLOBAL g, PTDBDOS tdbp, int op, int opm, PXOB *xp);
+
+  // Methods
+  virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+  virtual void MakeValueBitmap(void) {}
+
+ protected:
+  // Member
+  PDOSCOL Colp;            // Points to column argument
+  PARRAY  Arap;            // Points to array argument
+  bool    Sorted;          // True if the column is sorted
+  int     Type;            // Type of array elements
+  }; // end of class BLKFILIN
+
+/***********************************************************************/
+/*  Definition of class BLKFILIN2 (with Op=OP_IN)                      */
+/***********************************************************************/
+class DllExport BLKFILIN2 : public BLKFILIN {  // With array arguments.
+ public:
+  // Constructors
+  BLKFILIN2(PGLOBAL g, PTDBDOS tdbp, int op, int opm, PXOB *xp);
+
+  // Methods
+//virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+  virtual void MakeValueBitmap(void);
+
+ protected:
+  // Member
+  int    Nbm;              // The number of ULONG bitmaps
+  int    N;                // The position of the leftmost ULONG
+//bool   Bitmap;           // True for IN operator (temporary)
+  bool   Void;             // True if all file blocks can be skipped
+  bool   Invert;           // True when Result must be inverted
+  uint  *Bmp;              // The values bitmaps used to test blocks
+  uint  *Bxp;              // Bit of values <= max value
+  PVAL   Valp;             // Used while building the bitmaps
+  }; // end of class BLKFILIN2
+
+/***********************************************************************/
+/*  Definition of class BLKSPCIN (with Op=OP_IN) Special column        */
+/***********************************************************************/
+class DllExport BLKSPCIN : public BLOCKFILTER {  // With array arguments.
+ public:
+  // Constructors
+  BLKSPCIN(PGLOBAL g, PTDBDOS tdbp, int op, int opm, PXOB *xp, int bsize);
+
+  // Methods
+  virtual void Reset(PGLOBAL g);
+  virtual int  BlockEval(PGLOBAL g);
+
+ protected:
+  // Member
+  PARRAY  Arap;            // Points to array argument
+  int     Bsize;           // Table block size
+  }; // end of class BLKSPCIN
+
+// ---------------- Class used in block indexing testing ----------------
+
+#if 0
+/***********************************************************************/
+/*  Definition of class BLOCKINDEX.                                    */
+/*  Used to test the indexing to joined tables when the foreign key is */
+/*  a clustered or sorted column. If the table is joined to several    */
+/*  tables, blocks will be chained together.                           */
+/***********************************************************************/
+class DllExport BLOCKINDEX : public BLOCK {     /* Indexing Test Block */
+ public:
+  // Constructors
+  BLOCKINDEX(PBX nx, PDOSCOL cp, PKXBASE kp);
+
+  // Implementation
+          PBX  GetNext(void) {return Next;}
+
+  // Methods
+          void Reset(void);
+  virtual int  BlockEval(PGLOBAL);
+  virtual void Printf(PGLOBAL g, FILE *f, UINT n);
+  virtual void Prints(PGLOBAL g, char *ps, UINT z);
+
+ protected:
+  BLOCKINDEX(void) {}   // Standard constructor not to be used
+
+  // Members
+  PBX     Next;         // To next Index Block
+  PTDBDOS Tdbp;         // To table description block
+  PDOSCOL Colp;         // Clustered foreign key
+  PKXBASE Kxp;          // To Kindex of joined table
+  bool    Sorted;       // TRUE if column is sorted
+  int     Type;         // Col/Index type
+  int     Result;       // Result from evaluation
+  }; // end of class BLOCKINDEX
+
+/***********************************************************************/
+/*  Definition of class BLOCKINDX2.     (XDB2)                         */
+/***********************************************************************/
+class DllExport BLOCKINDX2 : public BLOCKINDEX { /* Indexing Test Block */
+ public:
+  // Constructors
+  BLOCKINDX2(PBX nx, PDOSCOL cp, PKXBASE kp);
+
+  // Methods
+  virtual int  BlockEval(PGLOBAL);
+
+ protected:
+  BLOCKINDX2(void) {}   // Standard constructor not to be used
+
+  // Members
+  int   Nbm;            // The number of ULONG bitmaps
+  PVBLK Dval;           // Array of column distinct values
+  PVBLK Bmap;           // Array of block bitmap values
+  }; // end of class BLOCKINDX2
+
+/***********************************************************************/
+/*  Definition of class BLKSPCINDX.                                    */
+/*  Used to test the indexing to joined tables when the foreign key is */
+/*  the ROWID special column. If the table is joined to several        */
+/*  tables, blocks will be chained together.                           */
+/***********************************************************************/
+class DllExport BLKSPCINDX : public BLOCKINDEX { /* Indexing Test Block */
+ public:
+  // Constructors
+  BLKSPCINDX(PBX nx, PTDBDOS tp, PKXBASE kp, int bsize);
+
+  // Methods
+  virtual int  BlockEval(PGLOBAL);
+
+ protected:
+  BLKSPCINDX(void) {}   // Standard constructor not to be used
+
+  // Members
+  int     Bsize;        // Table block size
+  }; // end of class BLOCKINDEX
+#endif // 0
+
+#endif // __BLKFIL__