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Overview
Comment:Remove all references to SQLITE_DEFAULT_TEMP_CACHE_SIZE. Add requirements marks related to cache_size changing.
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SHA1: 766ad65025a9d5815300978e6e349f5af5db6012
User & Date: drh 2015-02-27 21:53:35.613
Context
2015-02-28
01:04
More test cases and requirements marks for pragmas. (check-in: fc51037cd9 user: drh tags: trunk)
2015-02-27
21:53
Remove all references to SQLITE_DEFAULT_TEMP_CACHE_SIZE. Add requirements marks related to cache_size changing. (check-in: 766ad65025 user: drh tags: trunk)
20:28
New requirements marks and a few new test cases to go with them. No changes to code. (check-in: 8c2b29d9ac user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/pcache.c.
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      p->pCache->pPage1 = 0;
    }
    sqlite3GlobalConfig.pcache2.xUnpin(p->pCache->pCache, p->pPage, 0);
  }
}

/*
** Compute the number of pages of cache requested.



*/
static int numberOfCachePages(PCache *p){
  if( p->szCache>=0 ){


    return p->szCache;
  }else{



    return (int)((-1024*(i64)p->szCache)/(p->szPage+p->szExtra));
  }
}

/*************************************************** General Interfaces ******
**
** Initialize and shutdown the page cache subsystem. Neither of these 








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      p->pCache->pPage1 = 0;
    }
    sqlite3GlobalConfig.pcache2.xUnpin(p->pCache->pCache, p->pPage, 0);
  }
}

/*
** Compute the number of pages of cache requested.  p->szCache is the
** cache size requested by the "PRAGMA cache_size" statement.
**
**
*/
static int numberOfCachePages(PCache *p){
  if( p->szCache>=0 ){
    /* IMPLEMENTATION-OF: R-42059-47211 If the argument N is positive then the
    ** suggested cache size is set to N. */
    return p->szCache;
  }else{
    /* IMPLEMENTATION-OF: R-61436-13639 If the argument N is negative, then
    ** the number of cache pages is adjusted to use approximately abs(N*1024)
    ** bytes of memory. */
    return (int)((-1024*(i64)p->szCache)/(p->szPage+p->szExtra));
  }
}

/*************************************************** General Interfaces ******
**
** Initialize and shutdown the page cache subsystem. Neither of these
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Changes to src/sqliteLimit.h.
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# define SQLITE_MAX_FUNCTION_ARG 127
#endif

/*
** The suggested maximum number of in-memory pages to use for
** the main database table and for temporary tables.
**
** EVIDENCE-OF: R-31093-59126 The default suggested cache size is 2000
** pages.
**
** EVIDENCE-OF: R-45985-54577 The default cache sizes can be adjusted by
** the SQLITE_DEFAULT_CACHE_SIZE compile-time options.
*/
#ifndef SQLITE_DEFAULT_CACHE_SIZE
# define SQLITE_DEFAULT_CACHE_SIZE  2000
#endif
#ifndef SQLITE_DEFAULT_TEMP_CACHE_SIZE
# define SQLITE_DEFAULT_TEMP_CACHE_SIZE  500
#endif

/*
** The default number of frames to accumulate in the log file before
** checkpointing the database in WAL mode.
*/
#ifndef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT
# define SQLITE_DEFAULT_WAL_AUTOCHECKPOINT  1000








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# define SQLITE_MAX_FUNCTION_ARG 127
#endif

/*
** The suggested maximum number of in-memory pages to use for
** the main database table and for temporary tables.
**
** IMPLEMENTATION-OF: R-31093-59126 The default suggested cache size
** is 2000 pages.

** IMPLEMENTATION-OF: R-48205-43578 The default suggested cache size can be
** altered using the SQLITE_DEFAULT_CACHE_SIZE compile-time options.
*/
#ifndef SQLITE_DEFAULT_CACHE_SIZE
# define SQLITE_DEFAULT_CACHE_SIZE  2000
#endif




/*
** The default number of frames to accumulate in the log file before
** checkpointing the database in WAL mode.
*/
#ifndef SQLITE_DEFAULT_WAL_AUTOCHECKPOINT
# define SQLITE_DEFAULT_WAL_AUTOCHECKPOINT  1000
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Changes to src/test_config.c.
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  LINKVAR( MAX_VDBE_OP );
  LINKVAR( MAX_FUNCTION_ARG );
  LINKVAR( MAX_VARIABLE_NUMBER );
  LINKVAR( MAX_PAGE_SIZE );
  LINKVAR( MAX_PAGE_COUNT );
  LINKVAR( MAX_LIKE_PATTERN_LENGTH );
  LINKVAR( MAX_TRIGGER_DEPTH );
  LINKVAR( DEFAULT_TEMP_CACHE_SIZE );
  LINKVAR( DEFAULT_CACHE_SIZE );
  LINKVAR( DEFAULT_PAGE_SIZE );
  LINKVAR( DEFAULT_FILE_FORMAT );
  LINKVAR( MAX_ATTACHED );
  LINKVAR( MAX_DEFAULT_PAGE_SIZE );
  LINKVAR( MAX_WORKER_THREADS );









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  LINKVAR( MAX_VDBE_OP );
  LINKVAR( MAX_FUNCTION_ARG );
  LINKVAR( MAX_VARIABLE_NUMBER );
  LINKVAR( MAX_PAGE_SIZE );
  LINKVAR( MAX_PAGE_COUNT );
  LINKVAR( MAX_LIKE_PATTERN_LENGTH );
  LINKVAR( MAX_TRIGGER_DEPTH );

  LINKVAR( DEFAULT_CACHE_SIZE );
  LINKVAR( DEFAULT_PAGE_SIZE );
  LINKVAR( DEFAULT_FILE_FORMAT );
  LINKVAR( MAX_ATTACHED );
  LINKVAR( MAX_DEFAULT_PAGE_SIZE );
  LINKVAR( MAX_WORKER_THREADS );
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