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Overview
Comment:Add the --timer option to the wordcount test program.
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SHA1: a89fdf87553f01c150729c570796b5078a9b069d
User & Date: drh 2013-11-21 19:27:45
Context
2013-11-21
20:48
Fix the code generator to honor turning off constant expression factoring. check-in: 88262266 user: drh tags: trunk
19:27
Add the --timer option to the wordcount test program. check-in: a89fdf87 user: drh tags: trunk
19:05
Remove a test from sqlite3VdbeMemFromBtree() which was unnecessary, and after the recent OP_Column refactoring, unreachable. check-in: 23667f3b user: drh tags: trunk
Changes
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Changes to test/wordcount.c.

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**     --summary            Show summary information on the collected data.
**     --stats              Show sqlite3_status() results at the end.
**     --pagesize NNN       Use a page size of NNN
**     --cachesize NNN      Use a cache size of NNN
**     --commit NNN         Commit after every NNN operations
**     --nosync             Use PRAGMA synchronous=OFF
**     --journal MMMM       Use PRAGMA journal_mode=MMMM

**
** Modes:
**
** Insert mode means:
**    (1) INSERT OR IGNORE INTO wordcount VALUES($new,1)
**    (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new -- if (1) is a noop
**
................................................................................
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include "sqlite3.h"
















/* Print an error message and exit */
static void fatal_error(const char *zMsg, ...){
  va_list ap;
  va_start(ap, zMsg);
  vfprintf(stderr, zMsg, ap);
  va_end(ap);
................................................................................
  const char *zDbName = 0;      /* Name of the database file to create */
  int useWithoutRowid = 0;      /* True for --without-rowid */
  int iMode = MODE_INSERT;      /* One of MODE_xxxxx */
  int useNocase = 0;            /* True for --nocase */
  int doTrace = 0;              /* True for --trace */
  int showStats = 0;            /* True for --stats */
  int showSummary = 0;          /* True for --summary */

  int cacheSize = 0;            /* Desired cache size.  0 means default */
  int pageSize = 0;             /* Desired page size.  0 means default */
  int commitInterval = 0;       /* How often to commit.  0 means never */
  int noSync = 0;               /* True for --nosync */
  const char *zJMode = 0;       /* Journal mode */
  int nOp = 0;                  /* Operation counter */
  int i, j;                     /* Loop counters */
................................................................................
  sqlite3_stmt *pUpdate = 0;    /* The UPDATE statement */
  sqlite3_stmt *pSelect = 0;    /* The SELECT statement */
  sqlite3_stmt *pDelete = 0;    /* The DELETE statement */
  FILE *in;                     /* The open input file */
  int rc;                       /* Return code from an SQLite interface */
  int iCur, iHiwtr;             /* Statistics values, current and "highwater" */
  sqlite3_int64 sumCnt = 0;     /* Sum in QUERY mode */

  char zInput[2000];            /* A single line of input */

  /* Process command-line arguments */
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      do{ z++; }while( z[0]=='-' );
................................................................................
        doTrace = 1;
      }else if( strcmp(z,"nosync")==0 ){
        noSync = 1;
      }else if( strcmp(z,"stats")==0 ){
        showStats = 1;
      }else if( strcmp(z,"summary")==0 ){
        showSummary = 1;


      }else if( strcmp(z,"cachesize")==0 && i<argc-1 ){
        i++;
        cacheSize = atoi(argv[i]);
      }else if( strcmp(z,"pagesize")==0 && i<argc-1 ){
        i++;
        pageSize = atoi(argv[i]);
      }else if( strcmp(z,"commit")==0 && i<argc-1 ){
................................................................................
    }else{
      fatal_error("surplus argument: %s\n", argv[i]);
    }
  }
  if( zDbName==0 ){
    fatal_error("Usage: %s [--options] DATABASE [INPUTFILE]\n", argv[0]);
  }


  /* Open the database and the input file */
  if( sqlite3_open(zDbName, &db) ){
    fatal_error("Cannot open database file: %s\n", zDbName);
  }
  if( zFileToRead ){
    in = fopen(zFileToRead, "rb");
................................................................................
                            &pSelect, 0);
    if( rc==SQLITE_OK && sqlite3_step(pSelect)==SQLITE_ROW ){
      printf("double-check: %lld\n", sqlite3_column_int64(pSelect, 0));
    }
    sqlite3_finalize(pSelect);
  }









  if( showSummary ){
    sqlite3_create_function(db, "checksum", -1, SQLITE_UTF8, 0,
                            0, checksumStep, checksumFinalize);
    sqlite3_exec(db, 
      "SELECT 'count(*):  ', count(*) FROM wordcount;\n"
      "SELECT 'sum(cnt):  ', sum(cnt) FROM wordcount;\n"
      "SELECT 'max(cnt):  ', max(cnt) FROM wordcount;\n"







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**     --summary            Show summary information on the collected data.
**     --stats              Show sqlite3_status() results at the end.
**     --pagesize NNN       Use a page size of NNN
**     --cachesize NNN      Use a cache size of NNN
**     --commit NNN         Commit after every NNN operations
**     --nosync             Use PRAGMA synchronous=OFF
**     --journal MMMM       Use PRAGMA journal_mode=MMMM
**     --timer              Time the operation of this program
**
** Modes:
**
** Insert mode means:
**    (1) INSERT OR IGNORE INTO wordcount VALUES($new,1)
**    (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new -- if (1) is a noop
**
................................................................................
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include "sqlite3.h"

/* Return the current wall-clock time */
static sqlite3_int64 realTime(void){
  static sqlite3_vfs *clockVfs = 0;
  sqlite3_int64 t;
  if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
  if( clockVfs->iVersion>=1 && clockVfs->xCurrentTimeInt64!=0 ){
    clockVfs->xCurrentTimeInt64(clockVfs, &t);
  }else{
    double r;
    clockVfs->xCurrentTime(clockVfs, &r);
    t = (sqlite3_int64)(r*86400000.0);
  }
  return t;
}

/* Print an error message and exit */
static void fatal_error(const char *zMsg, ...){
  va_list ap;
  va_start(ap, zMsg);
  vfprintf(stderr, zMsg, ap);
  va_end(ap);
................................................................................
  const char *zDbName = 0;      /* Name of the database file to create */
  int useWithoutRowid = 0;      /* True for --without-rowid */
  int iMode = MODE_INSERT;      /* One of MODE_xxxxx */
  int useNocase = 0;            /* True for --nocase */
  int doTrace = 0;              /* True for --trace */
  int showStats = 0;            /* True for --stats */
  int showSummary = 0;          /* True for --summary */
  int showTimer = 0;            /* True for --timer */
  int cacheSize = 0;            /* Desired cache size.  0 means default */
  int pageSize = 0;             /* Desired page size.  0 means default */
  int commitInterval = 0;       /* How often to commit.  0 means never */
  int noSync = 0;               /* True for --nosync */
  const char *zJMode = 0;       /* Journal mode */
  int nOp = 0;                  /* Operation counter */
  int i, j;                     /* Loop counters */
................................................................................
  sqlite3_stmt *pUpdate = 0;    /* The UPDATE statement */
  sqlite3_stmt *pSelect = 0;    /* The SELECT statement */
  sqlite3_stmt *pDelete = 0;    /* The DELETE statement */
  FILE *in;                     /* The open input file */
  int rc;                       /* Return code from an SQLite interface */
  int iCur, iHiwtr;             /* Statistics values, current and "highwater" */
  sqlite3_int64 sumCnt = 0;     /* Sum in QUERY mode */
  sqlite3_int64 startTime;
  char zInput[2000];            /* A single line of input */

  /* Process command-line arguments */
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      do{ z++; }while( z[0]=='-' );
................................................................................
        doTrace = 1;
      }else if( strcmp(z,"nosync")==0 ){
        noSync = 1;
      }else if( strcmp(z,"stats")==0 ){
        showStats = 1;
      }else if( strcmp(z,"summary")==0 ){
        showSummary = 1;
      }else if( strcmp(z,"timer")==0 ){
        showTimer = i;
      }else if( strcmp(z,"cachesize")==0 && i<argc-1 ){
        i++;
        cacheSize = atoi(argv[i]);
      }else if( strcmp(z,"pagesize")==0 && i<argc-1 ){
        i++;
        pageSize = atoi(argv[i]);
      }else if( strcmp(z,"commit")==0 && i<argc-1 ){
................................................................................
    }else{
      fatal_error("surplus argument: %s\n", argv[i]);
    }
  }
  if( zDbName==0 ){
    fatal_error("Usage: %s [--options] DATABASE [INPUTFILE]\n", argv[0]);
  }
  startTime = realTime();

  /* Open the database and the input file */
  if( sqlite3_open(zDbName, &db) ){
    fatal_error("Cannot open database file: %s\n", zDbName);
  }
  if( zFileToRead ){
    in = fopen(zFileToRead, "rb");
................................................................................
                            &pSelect, 0);
    if( rc==SQLITE_OK && sqlite3_step(pSelect)==SQLITE_ROW ){
      printf("double-check: %lld\n", sqlite3_column_int64(pSelect, 0));
    }
    sqlite3_finalize(pSelect);
  }


  if( showTimer ){
    sqlite3_int64 elapseTime = realTime() - startTime;
    printf("/* %3d.%03d", (int)(elapseTime/1000), (int)(elapseTime%1000));
    for(i=0; i<argc; i++) if( i!=showTimer ) printf(" %s", argv[i]);
    printf(" */\n");
  }

  if( showSummary ){
    sqlite3_create_function(db, "checksum", -1, SQLITE_UTF8, 0,
                            0, checksumStep, checksumFinalize);
    sqlite3_exec(db, 
      "SELECT 'count(*):  ', count(*) FROM wordcount;\n"
      "SELECT 'sum(cnt):  ', sum(cnt) FROM wordcount;\n"
      "SELECT 'max(cnt):  ', max(cnt) FROM wordcount;\n"