Fossil

**    (1) Allocate the series_vtab object and initialize all fields.
**
**    (2) Tell SQLite (via the sqlite3_declare_vtab() interface) what the
**        result set of queries against generate_series will look like.
*/
static int seriesConnect(
  sqlite3 *db,
  void *pUnused,
  int argcUnused, const char *const*argvUnused,
  sqlite3_vtab **ppVtab,
  char **pzErrUnused
){
  sqlite3_vtab *pNew;
  int rc;

/* Column numbers */
#define SERIES_COLUMN_VALUE 0
#define SERIES_COLUMN_START 1
#define SERIES_COLUMN_STOP  2
#define SERIES_COLUMN_STEP  3

  (void)pUnused;
  (void)argcUnused;
  (void)argvUnused;
  (void)pzErrUnused;
  rc = sqlite3_declare_vtab(db,
     "CREATE TABLE x(value,start hidden,stop hidden,step hidden)");
  if( rc==SQLITE_OK ){
    pNew = *ppVtab = sqlite3_malloc( sizeof(*pNew) );
    if( pNew==0 ) return SQLITE_NOMEM;
    memset(pNew, 0, sizeof(*pNew));
    sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS);

  sqlite3_free(pVtab);
  return SQLITE_OK;
}

/*
** Constructor for a new series_cursor object.
*/
static int seriesOpen(sqlite3_vtab *pUnused, sqlite3_vtab_cursor **ppCursor){
  series_cursor *pCur;
  (void)pUnused;
  pCur = sqlite3_malloc( sizeof(*pCur) );
  if( pCur==0 ) return SQLITE_NOMEM;
  memset(pCur, 0, sizeof(*pCur));
  *ppCursor = &pCur->base;
  return SQLITE_OK;
}

**
** This routine should initialize the cursor and position it so that it
** is pointing at the first row, or pointing off the end of the table
** (so that seriesEof() will return true) if the table is empty.
*/
static int seriesFilter(
  sqlite3_vtab_cursor *pVtabCursor, 
  int idxNum, const char *idxStrUnused,
  int argc, sqlite3_value **argv
){
  series_cursor *pCur = (series_cursor *)pVtabCursor;
  int i = 0;
  (void)idxStrUnused;
  if( idxNum & 1 ){
    pCur->mnValue = sqlite3_value_int64(argv[i++]);
  }else{
    pCur->mnValue = 0;
  }
  if( idxNum & 2 ){
    pCur->mxValue = sqlite3_value_int64(argv[i++]);

**
**  (1)  start = $value  -- constraint exists
**  (2)  stop = $value   -- constraint exists
**  (4)  step = $value   -- constraint exists
**  (8)  output in descending order
*/
static int seriesBestIndex(
  sqlite3_vtab *tabUnused,
  sqlite3_index_info *pIdxInfo
){
  int i, j;              /* Loop over constraints */
  int idxNum = 0;        /* The query plan bitmask */
  int unusableMask = 0;  /* Mask of unusable constraints */
  int nArg = 0;          /* Number of arguments that seriesFilter() expects */
  int aIdx[3];           /* Constraints on start, stop, and step */
  const struct sqlite3_index_constraint *pConstraint;

  /* This implementation assumes that the start, stop, and step columns
  ** are the last three columns in the virtual table. */
  assert( SERIES_COLUMN_STOP == SERIES_COLUMN_START+1 );
  assert( SERIES_COLUMN_STEP == SERIES_COLUMN_START+2 );
  (void)tabUnused;
  aIdx[0] = aIdx[1] = aIdx[2] = -1;
  pConstraint = pIdxInfo->aConstraint;
  for(i=0; i<pIdxInfo->nConstraint; i++, pConstraint++){
    int iCol;    /* 0 for start, 1 for stop, 2 for step */
    int iMask;   /* bitmask for those column */
    if( pConstraint->iColumn<SERIES_COLUMN_START ) continue;
    iCol = pConstraint->iColumn - SERIES_COLUMN_START;

  0,                         /* xUpdate */
  0,                         /* xBegin */
  0,                         /* xSync */
  0,                         /* xCommit */
  0,                         /* xRollback */
  0,                         /* xFindMethod */
  0,                         /* xRename */
  0,                         /* xSavepoint */
  0,                         /* xRelease */
  0,                         /* xRollbackTo */
  0                          /* xShadowName */
};

#endif /* SQLITE_OMIT_VIRTUALTABLE */

#ifdef _WIN32

#endif

}

/*
** Scalar function "usleep(X)" invokes sqlite3_sleep(X) and returns X.
*/
static void shellUSleepFunc(
  sqlite3_context *context, 
  int argcUnused, 
  sqlite3_value **argv
){
  int sleep = sqlite3_value_int(argv[0]);
  (void)argcUnused;
  sqlite3_sleep(sleep/1000);
  sqlite3_result_int(context, sleep);
}

/*
** Scalar function "shell_escape_crnl" used by the .recover command.
** The argument passed to this function is the output of built-in

    sqliterc = zBuf;
  }
  p->in = fopen(sqliterc,"rb");
  if( p->in ){
    if( stdin_is_interactive ){
      utf8_printf(stderr,"-- Loading resources from %s\n",sqliterc);
    }
    if( process_input(p) && bail_on_error ) exit(1);
    fclose(p->in);
  }else if( sqliterc_override!=0 ){
    utf8_printf(stderr,"cannot open: \"%s\"\n", sqliterc);
    if( bail_on_error ) exit(1);
  }
  p->in = inSaved;
  p->lineno = savedLineno;
  sqlite3_free(zBuf);
}

/*

    }else if( strncmp(z, "-A",2)==0 ){
      /* All remaining command-line arguments are passed to the ".archive"
      ** command, so ignore them */
      break;
#endif
    }else if( strcmp(z, "-memtrace")==0 ){
      sqlite3MemTraceActivate(stderr);
    }else if( strcmp(z,"-bail")==0 ){
      bail_on_error = 1;
    }
  }
  verify_uninitialized();


#ifdef SQLITE_SHELL_INIT_PROC
  {

      /* Undocumented command-line option: -backslash
      ** Causes C-style backslash escapes to be evaluated in SQL statements
      ** prior to sending the SQL into SQLite.  Useful for injecting
      ** crazy bytes in the middle of SQL statements for testing and debugging.
      */
      ShellSetFlag(&data, SHFLG_Backslash);
    }else if( strcmp(z,"-bail")==0 ){
      /* No-op.  The bail_on_error flag should already be set. */
    }else if( strcmp(z,"-version")==0 ){
      printf("%s %s\n", sqlite3_libversion(), sqlite3_sourceid());
      return 0;
    }else if( strcmp(z,"-interactive")==0 ){
      stdin_is_interactive = 1;
    }else if( strcmp(z,"-batch")==0 ){
      stdin_is_interactive = 0;

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.34.0"
#define SQLITE_VERSION_NUMBER 3034000
#define SQLITE_SOURCE_ID      "2020-12-01 16:14:00 a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089fed5b"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

/*
** CAPI3REF: Determine the transaction state of a database
** METHOD: sqlite3
**
** ^The sqlite3_txn_state(D,S) interface returns the current
** [transaction state] of schema S in database connection D.  ^If S is NULL,
** then the highest transaction state of any schema on database connection D
** is returned.  Transaction states are (in order of lowest to highest):
** <ol>
** <li value="0"> SQLITE_TXN_NONE
** <li value="1"> SQLITE_TXN_READ
** <li value="2"> SQLITE_TXN_WRITE
** </ol>
** ^If the S argument to sqlite3_txn_state(D,S) is not the name of

** Applications should not use any of these parameters or the
** [sqlite3_test_control()] interface.
*/
#define SQLITE_TESTCTRL_FIRST                    5
#define SQLITE_TESTCTRL_PRNG_SAVE                5
#define SQLITE_TESTCTRL_PRNG_RESTORE             6
#define SQLITE_TESTCTRL_PRNG_RESET               7  /* NOT USED */

#define SQLITE_TESTCTRL_BITVEC_TEST              8
#define SQLITE_TESTCTRL_FAULT_INSTALL            9
#define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS     10
#define SQLITE_TESTCTRL_PENDING_BYTE            11
#define SQLITE_TESTCTRL_ASSERT                  12
#define SQLITE_TESTCTRL_ALWAYS                  13
#define SQLITE_TESTCTRL_RESERVE                 14  /* NOT USED */

#define SQLITE_TESTCTRL_ISINIT                  23
#define SQLITE_TESTCTRL_SORTER_MMAP             24
#define SQLITE_TESTCTRL_IMPOSTER                25
#define SQLITE_TESTCTRL_PARSER_COVERAGE         26
#define SQLITE_TESTCTRL_RESULT_INTREAL          27
#define SQLITE_TESTCTRL_PRNG_SEED               28
#define SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS     29
#define SQLITE_TESTCTRL_SEEK_COUNT              30
#define SQLITE_TESTCTRL_LAST                    30  /* Largest TESTCTRL */

/*
** CAPI3REF: SQL Keyword Checking
**
** These routines provide access to the set of SQL language keywords
** recognized by SQLite.  Applications can uses these routines to determine
** whether or not a specific identifier needs to be escaped (for example,

  int rc;                   /* Return code */
  sqlite3_file *pSuper;     /* Malloc'd super-journal file descriptor */
  sqlite3_file *pJournal;   /* Malloc'd child-journal file descriptor */
  char *zSuperJournal = 0;  /* Contents of super-journal file */
  i64 nSuperJournal;        /* Size of super-journal file */
  char *zJournal;           /* Pointer to one journal within MJ file */
  char *zSuperPtr;          /* Space to hold super-journal filename */
  char *zFree = 0;          /* Free this buffer */
  int nSuperPtr;            /* Amount of space allocated to zSuperPtr[] */

  /* Allocate space for both the pJournal and pSuper file descriptors.
  ** If successful, open the super-journal file for reading.
  */
  pSuper = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile * 2);
  if( !pSuper ){

  ** sqlite3_malloc() and pointed to by zSuperJournal.   Also obtain
  ** sufficient space (in zSuperPtr) to hold the names of super-journal
  ** files extracted from regular rollback-journals.
  */
  rc = sqlite3OsFileSize(pSuper, &nSuperJournal);
  if( rc!=SQLITE_OK ) goto delsuper_out;
  nSuperPtr = pVfs->mxPathname+1;
  zFree = sqlite3Malloc(4 + nSuperJournal + nSuperPtr + 2);
  if( !zFree ){
    rc = SQLITE_NOMEM_BKPT;
    goto delsuper_out;
  }
  zFree[0] = zFree[1] = zFree[2] = zFree[3] = 0;
  zSuperJournal = &zFree[4];
  zSuperPtr = &zSuperJournal[nSuperJournal+2];
  rc = sqlite3OsRead(pSuper, zSuperJournal, (int)nSuperJournal, 0);
  if( rc!=SQLITE_OK ) goto delsuper_out;
  zSuperJournal[nSuperJournal] = 0;
  zSuperJournal[nSuperJournal+1] = 0;

  zJournal = zSuperJournal;

    zJournal += (sqlite3Strlen30(zJournal)+1);
  }

  sqlite3OsClose(pSuper);
  rc = sqlite3OsDelete(pVfs, zSuper, 0);

delsuper_out:
  sqlite3_free(zFree);
  if( pSuper ){
    sqlite3OsClose(pSuper);
    assert( !isOpen(pJournal) );
    sqlite3_free(pSuper);
  }
  return rc;
}

  ** update the change-counter at all. This may lead to cache inconsistency
  ** problems for other processes at some point in the future. So, just
  ** in case this has happened, clear the changeCountDone flag now.
  */
  pPager->changeCountDone = pPager->tempFile;

  if( rc==SQLITE_OK ){
    /* Leave 4 bytes of space before the super-journal filename in memory.
    ** This is because it may end up being passed to sqlite3OsOpen(), in
    ** which case it requires 4 0x00 bytes in memory immediately before
    ** the filename. */
    zSuper = &pPager->pTmpSpace[4];
    rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1);
    testcase( rc!=SQLITE_OK );
  }
  if( rc==SQLITE_OK
   && (pPager->eState>=PAGER_WRITER_DBMOD || pPager->eState==PAGER_OPEN)
  ){
    rc = sqlite3PagerSync(pPager, 0);
  }
  if( rc==SQLITE_OK ){
    rc = pager_end_transaction(pPager, zSuper[0]!='\0', 0);
    testcase( rc!=SQLITE_OK );
  }
  if( rc==SQLITE_OK && zSuper[0] && res ){
    /* If there was a super-journal and this routine will return success,
    ** see if it is possible to delete the super-journal.
    */
    assert( zSuper==&pPager->pTmpSpace[4] );
    memset(&zSuper[-4], 0, 4);
    rc = pager_delsuper(pPager, zSuper);
    testcase( rc!=SQLITE_OK );
  }
  if( isHot && nPlayback ){
    sqlite3_log(SQLITE_NOTICE_RECOVER_ROLLBACK, "recovered %d pages from %s",
                nPlayback, pPager->zJournal);
  }

  #define downgradeAllSharedCacheTableLocks(a)
  #define hasSharedCacheTableLock(a,b,c,d) 1
  #define hasReadConflicts(a, b) 0
#endif

#ifdef SQLITE_DEBUG
/*
** Return and reset the seek counter for a Btree object.
*/
SQLITE_PRIVATE sqlite3_uint64 sqlite3BtreeSeekCount(Btree *pBt){
  u64 n =  pBt->nSeek;
  pBt->nSeek = 0;
  return n;
}
#endif

  const char *(*filename_journal)(const char*);
  const char *(*filename_wal)(const char*);
  /* Version 3.32.0 and later */
  char *(*create_filename)(const char*,const char*,const char*,
                           int,const char**);
  void (*free_filename)(char*);
  sqlite3_file *(*database_file_object)(const char*);
  /* Version 3.34.0 and later */
  int (*txn_state)(sqlite3*,const char*);
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(

#define sqlite3_filename_database      sqlite3_api->filename_database
#define sqlite3_filename_journal       sqlite3_api->filename_journal
#define sqlite3_filename_wal           sqlite3_api->filename_wal
/* Version 3.32.0 and later */
#define sqlite3_create_filename        sqlite3_api->create_filename
#define sqlite3_free_filename          sqlite3_api->free_filename
#define sqlite3_database_file_object   sqlite3_api->database_file_object
/* Version 3.34.0 and later */
#define sqlite3_txn_state              sqlite3_api->txn_state
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;

  sqlite3_filename_database,
  sqlite3_filename_journal,
  sqlite3_filename_wal,
  /* Version 3.32.0 and later */
  sqlite3_create_filename,
  sqlite3_free_filename,
  sqlite3_database_file_object,
  /* Version 3.34.0 and later */
  sqlite3_txn_state,
};

/* True if x is the directory separator character
*/
#if SQLITE_OS_WIN
# define DirSep(X)  ((X)=='/'||(X)=='\\')
#else

  if( p==0 ) return -1;
  p->aEvent = (GeoEvent*)&p[1];
  p->aSegment = (GeoSegment*)&p->aEvent[nVertex*2];
  p->nEvent = p->nSegment = 0;
  geopolyAddSegments(p, p1, 1);
  geopolyAddSegments(p, p2, 2);
  pThisEvent = geopolySortEventsByX(p->aEvent, p->nEvent);
  rX = pThisEvent && pThisEvent->x==0.0 ? -1.0 : 0.0;
  memset(aOverlap, 0, sizeof(aOverlap));
  while( pThisEvent ){
    if( pThisEvent->x!=rX ){
      GeoSegment *pPrev = 0;
      int iMask = 0;
      GEODEBUG(("Distinct X: %g\n", pThisEvent->x));
      rX = pThisEvent->x;

  const Fts5ExtensionApi *pApi,
  Fts5Context *pFts,
  Fts5Bm25Data **ppData           /* OUT: bm25-data object for this query */
){
  int rc = SQLITE_OK;             /* Return code */
  Fts5Bm25Data *p;                /* Object to return */

  p = (Fts5Bm25Data*)pApi->xGetAuxdata(pFts, 0);
  if( p==0 ){
    int nPhrase;                  /* Number of phrases in query */
    sqlite3_int64 nRow = 0;       /* Number of rows in table */
    sqlite3_int64 nToken = 0;     /* Number of tokens in table */
    sqlite3_int64 nByte;          /* Bytes of space to allocate */
    int i;

  Fts5Context *pFts,              /* First arg to pass to pApi functions */
  sqlite3_context *pCtx,          /* Context for returning result/error */
  int nVal,                       /* Number of values in apVal[] array */
  sqlite3_value **apVal           /* Array of trailing arguments */
){
  const double k1 = 1.2;          /* Constant "k1" from BM25 formula */
  const double b = 0.75;          /* Constant "b" from BM25 formula */
  int rc;                         /* Error code */
  double score = 0.0;             /* SQL function return value */
  Fts5Bm25Data *pData;            /* Values allocated/calculated once only */
  int i;                          /* Iterator variable */
  int nInst = 0;                  /* Value returned by xInstCount() */
  double D = 0.0;                 /* Total number of tokens in row */
  double *aFreq = 0;              /* Array of phrase freq. for current row */

  /* Figure out the total size of the current row in tokens. */
  if( rc==SQLITE_OK ){
    int nTok;
    rc = pApi->xColumnSize(pFts, -1, &nTok);
    D = (double)nTok;
  }

  /* Determine and return the BM25 score for the current row. Or, if an
  ** error has occurred, throw an exception. */
  if( rc==SQLITE_OK ){
    for(i=0; i<pData->nPhrase; i++){
      score += pData->aIDF[i] * (
          ( aFreq[i] * (k1 + 1.0) ) /
          ( aFreq[i] + k1 * (1 - b + b * D / pData->avgdl) )
      );
    }




    sqlite3_result_double(pCtx, -1.0 * score);
  }else{
    sqlite3_result_error_code(pCtx, rc);
  }
}

static int sqlite3Fts5AuxInit(fts5_api *pApi){

    if( eDetail==FTS5_DETAIL_NONE ){
      if( 0==fts5MultiIterIsEmpty(p, pIter) ){
        cksum2 ^= sqlite3Fts5IndexEntryCksum(iRowid, 0, 0, -1, z, n);
      }
    }else{
      poslist.n = 0;
      fts5SegiterPoslist(p, &pIter->aSeg[pIter->aFirst[1].iFirst], 0, &poslist);
      fts5BufferAppendBlob(&p->rc, &poslist, 4, (const u8*)"\0\0\0\0");
      while( 0==sqlite3Fts5PoslistNext64(poslist.p, poslist.n, &iOff, &iPos) ){
        int iCol = FTS5_POS2COLUMN(iPos);
        int iTokOff = FTS5_POS2OFFSET(iPos);
        cksum2 ^= sqlite3Fts5IndexEntryCksum(iRowid, iCol, iTokOff, -1, z, n);
      }
    }
  }

static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2020-12-01 16:14:00 a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089fed5b", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){

  sqlite3_free(p);
}

/*
** Allocate a trigram tokenizer.
*/
static int fts5TriCreate(
  void *pUnused,
  const char **azArg,
  int nArg,
  Fts5Tokenizer **ppOut
){
  int rc = SQLITE_OK;
  TrigramTokenizer *pNew = (TrigramTokenizer*)sqlite3_malloc(sizeof(*pNew));
  UNUSED_PARAM(pUnused);
  if( pNew==0 ){
    rc = SQLITE_NOMEM;
  }else{
    int i;
    pNew->bFold = 1;
    for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
      const char *zArg = azArg[i+1];

/*
** Trigram tokenizer tokenize routine.
*/
static int fts5TriTokenize(
  Fts5Tokenizer *pTok,
  void *pCtx,
  int unusedFlags,
  const char *pText, int nText,
  int (*xToken)(void*, int, const char*, int, int, int)
){
  TrigramTokenizer *p = (TrigramTokenizer*)pTok;
  int rc = SQLITE_OK;
  char aBuf[32];
  const unsigned char *zIn = (const unsigned char*)pText;
  const unsigned char *zEof = &zIn[nText];
  u32 iCode;

  UNUSED_PARAM(unusedFlags);
  while( 1 ){
    char *zOut = aBuf;
    int iStart = zIn - (const unsigned char*)pText;
    const unsigned char *zNext;

    READ_UTF8(zIn, zEof, iCode);
    if( iCode==0 ) break;

    for(; i<128 && i<n; i++){
      aAscii[i] = (u8)bToken;
    }
    iTbl++;
  }
  aAscii[0] = 0;                  /* 0x00 is never a token character */
}


/*
** 2015 May 30
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**

#endif
  return rc;
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=231748
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2020-12-01 16:14:00 a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089falt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.34.0"
#define SQLITE_VERSION_NUMBER 3034000
#define SQLITE_SOURCE_ID      "2020-12-01 16:14:00 a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089fed5b"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

/*
** CAPI3REF: Determine the transaction state of a database
** METHOD: sqlite3
**
** ^The sqlite3_txn_state(D,S) interface returns the current
** [transaction state] of schema S in database connection D.  ^If S is NULL,
** then the highest transaction state of any schema on database connection D
** is returned.  Transaction states are (in order of lowest to highest):
** <ol>
** <li value="0"> SQLITE_TXN_NONE
** <li value="1"> SQLITE_TXN_READ
** <li value="2"> SQLITE_TXN_WRITE
** </ol>
** ^If the S argument to sqlite3_txn_state(D,S) is not the name of

** Applications should not use any of these parameters or the
** [sqlite3_test_control()] interface.
*/
#define SQLITE_TESTCTRL_FIRST                    5
#define SQLITE_TESTCTRL_PRNG_SAVE                5
#define SQLITE_TESTCTRL_PRNG_RESTORE             6
#define SQLITE_TESTCTRL_PRNG_RESET               7  /* NOT USED */

#define SQLITE_TESTCTRL_BITVEC_TEST              8
#define SQLITE_TESTCTRL_FAULT_INSTALL            9
#define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS     10
#define SQLITE_TESTCTRL_PENDING_BYTE            11
#define SQLITE_TESTCTRL_ASSERT                  12
#define SQLITE_TESTCTRL_ALWAYS                  13
#define SQLITE_TESTCTRL_RESERVE                 14  /* NOT USED */

#define SQLITE_TESTCTRL_ISINIT                  23
#define SQLITE_TESTCTRL_SORTER_MMAP             24
#define SQLITE_TESTCTRL_IMPOSTER                25
#define SQLITE_TESTCTRL_PARSER_COVERAGE         26
#define SQLITE_TESTCTRL_RESULT_INTREAL          27
#define SQLITE_TESTCTRL_PRNG_SEED               28
#define SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS     29
#define SQLITE_TESTCTRL_SEEK_COUNT              30
#define SQLITE_TESTCTRL_LAST                    30  /* Largest TESTCTRL */

/*
** CAPI3REF: SQL Keyword Checking
**
** These routines provide access to the set of SQL language keywords
** recognized by SQLite.  Applications can uses these routines to determine
** whether or not a specific identifier needs to be escaped (for example,