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Overview
Comment::-) (CVS 45)
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Files: files | file ages | folders
SHA1: 3e88142e908de02b5c8243c47dc9ca237cb7f011
User & Date: drh 2000-06-02 23:22:40.000
Context
2000-06-03
18:06
added default values (CVS 46) (check-in: 27c0678623 user: drh tags: trunk)
2000-06-02
23:22
:-) (CVS 45) (check-in: 3e88142e90 user: drh tags: trunk)
23:21
:-) (CVS 44) (check-in: cd83d3cfeb user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbe.c.
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** inplicit conversion from one type to the other occurs as necessary.
** 
** Most of the code in this file is taken up by the sqliteVdbeExec()
** function which does the work of interpreting a VDBE program.
** But other routines are also provided to help in building up
** a program instruction by instruction.
**
** $Id: vdbe.c,v 1.11 2000/06/02 23:21:27 drh Exp $
*/
#include "sqliteInt.h"

/*
** SQL is translated into a sequence of instructions to be
** executed by a virtual machine.  Each instruction is an instance
** of the following structure.








|








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** inplicit conversion from one type to the other occurs as necessary.
** 
** Most of the code in this file is taken up by the sqliteVdbeExec()
** function which does the work of interpreting a VDBE program.
** But other routines are also provided to help in building up
** a program instruction by instruction.
**
** $Id: vdbe.c,v 1.12 2000/06/02 23:22:40 drh Exp $
*/
#include "sqliteInt.h"

/*
** SQL is translated into a sequence of instructions to be
** executed by a virtual machine.  Each instruction is an instance
** of the following structure.
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  int nLabel;         /* Number of labels used */
  int nLabelAlloc;    /* Number of slots allocated in aLabel[] */
  int *aLabel;        /* Space to hold the labels */
  int tos;            /* Index of top of stack */
  int nStackAlloc;    /* Size of the stack */
  int *iStack;        /* Integer values of the stack */
  char **zStack;      /* Text or binary values of the stack */
  char *aFlags;       /* Flags associated with each stack entry */
  char **azColName;   /* Becomes the 4th parameter to callbacks */
  int nTable;         /* Number of slots in aTab[] */
  VdbeTable *aTab;    /* On element of this array for each open table */
  int nList;          /* Number of slots in apList[] */
  FILE **apList;      /* An open file for each list */
  int nSort;          /* Number of slots in apSort[] */
  Sorter **apSort;    /* An open sorter list */








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  int nLabel;         /* Number of labels used */
  int nLabelAlloc;    /* Number of slots allocated in aLabel[] */
  int *aLabel;        /* Space to hold the labels */
  int tos;            /* Index of top of stack */
  int nStackAlloc;    /* Size of the stack */
  int *iStack;        /* Integer values of the stack */
  char **zStack;      /* Text or binary values of the stack */

  char **azColName;   /* Becomes the 4th parameter to callbacks */
  int nTable;         /* Number of slots in aTab[] */
  VdbeTable *aTab;    /* On element of this array for each open table */
  int nList;          /* Number of slots in apList[] */
  FILE **apList;      /* An open file for each list */
  int nSort;          /* Number of slots in apSort[] */
  Sorter **apSort;    /* An open sorter list */
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