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Overview
Comment:Initial work on the Tcl API interface to the new sqlite3_trace_v2() function.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | sqlite3_trace_v2
Files: files | file ages | folders
SHA1: 7b59fa40a01c89cc98414d90a798169c26e04256
User & Date: mistachkin 2016-07-14 21:26:09.090
Context
2016-07-14
23:17
More work on the Tcl interface and tests for the sqlite3_trace_v2() API. (check-in: f3c4aa97d8 user: mistachkin tags: sqlite3_trace_v2)
21:26
Initial work on the Tcl API interface to the new sqlite3_trace_v2() function. (check-in: 7b59fa40a0 user: mistachkin tags: sqlite3_trace_v2)
09:22
Fix copy/paste typo in the new sqlite3_expanded_sql() function. (check-in: e7d18c70d2 user: mistachkin tags: sqlite3_trace_v2)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/tclsqlite.c.
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*/
struct SqliteDb {
  sqlite3 *db;               /* The "real" database structure. MUST BE FIRST */
  Tcl_Interp *interp;        /* The interpreter used for this database */
  char *zBusy;               /* The busy callback routine */
  char *zCommit;             /* The commit hook callback routine */
  char *zTrace;              /* The trace callback routine */

  char *zProfile;            /* The profile callback routine */
  char *zProgress;           /* The progress callback routine */
  char *zAuth;               /* The authorization callback routine */
  int disableAuth;           /* Disable the authorizer if it exists */
  char *zNull;               /* Text to substitute for an SQL NULL value */
  SqlFunc *pFunc;            /* List of SQL functions */
  Tcl_Obj *pUpdateHook;      /* Update hook script (if any) */







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*/
struct SqliteDb {
  sqlite3 *db;               /* The "real" database structure. MUST BE FIRST */
  Tcl_Interp *interp;        /* The interpreter used for this database */
  char *zBusy;               /* The busy callback routine */
  char *zCommit;             /* The commit hook callback routine */
  char *zTrace;              /* The trace callback routine */
  char *zTraceV2;            /* The trace_v2 callback routine */
  char *zProfile;            /* The profile callback routine */
  char *zProgress;           /* The progress callback routine */
  char *zAuth;               /* The authorization callback routine */
  int disableAuth;           /* Disable the authorizer if it exists */
  char *zNull;               /* Text to substitute for an SQL NULL value */
  SqlFunc *pFunc;            /* List of SQL functions */
  Tcl_Obj *pUpdateHook;      /* Update hook script (if any) */
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static void closeIncrblobChannels(SqliteDb *pDb){
  IncrblobChannel *p;
  IncrblobChannel *pNext;

  for(p=pDb->pIncrblob; p; p=pNext){
    pNext = p->pNext;

    /* Note: Calling unregister here call Tcl_Close on the incrblob channel, 
    ** which deletes the IncrblobChannel structure at *p. So do not
    ** call Tcl_Free() here.
    */
    Tcl_UnregisterChannel(pDb->interp, p->channel);
  }
}








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static void closeIncrblobChannels(SqliteDb *pDb){
  IncrblobChannel *p;
  IncrblobChannel *pNext;

  for(p=pDb->pIncrblob; p; p=pNext){
    pNext = p->pNext;

    /* Note: Calling unregister here call Tcl_Close on the incrblob channel,
    ** which deletes the IncrblobChannel structure at *p. So do not
    ** call Tcl_Free() here.
    */
    Tcl_UnregisterChannel(pDb->interp, p->channel);
  }
}

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  return TCL_OK;
}

/*
** Read data from an incremental blob channel.
*/
static int incrblobInput(
  ClientData instanceData, 
  char *buf, 
  int bufSize,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;
  int nRead = bufSize;         /* Number of bytes to read */
  int nBlob;                   /* Total size of the blob */
  int rc;                      /* sqlite error code */







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  return TCL_OK;
}

/*
** Read data from an incremental blob channel.
*/
static int incrblobInput(
  ClientData instanceData,
  char *buf,
  int bufSize,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;
  int nRead = bufSize;         /* Number of bytes to read */
  int nBlob;                   /* Total size of the blob */
  int rc;                      /* sqlite error code */
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  return nRead;
}

/*
** Write data to an incremental blob channel.
*/
static int incrblobOutput(
  ClientData instanceData, 
  CONST char *buf, 
  int toWrite,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;
  int nWrite = toWrite;        /* Number of bytes to write */
  int nBlob;                   /* Total size of the blob */
  int rc;                      /* sqlite error code */







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  return nRead;
}

/*
** Write data to an incremental blob channel.
*/
static int incrblobOutput(
  ClientData instanceData,
  CONST char *buf,
  int toWrite,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;
  int nWrite = toWrite;        /* Number of bytes to write */
  int nBlob;                   /* Total size of the blob */
  int rc;                      /* sqlite error code */
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  return nWrite;
}

/*
** Seek an incremental blob channel.
*/
static int incrblobSeek(
  ClientData instanceData, 
  long offset,
  int seekMode,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;

  switch( seekMode ){







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  return nWrite;
}

/*
** Seek an incremental blob channel.
*/
static int incrblobSeek(
  ClientData instanceData,
  long offset,
  int seekMode,
  int *errorCodePtr
){
  IncrblobChannel *p = (IncrblobChannel *)instanceData;

  switch( seekMode ){
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    default: assert(!"Bad seekMode");
  }

  return p->iSeek;
}


static void incrblobWatch(ClientData instanceData, int mode){ 
  /* NO-OP */ 
}
static int incrblobHandle(ClientData instanceData, int dir, ClientData *hPtr){
  return TCL_ERROR;
}

static Tcl_ChannelType IncrblobChannelType = {
  "incrblob",                        /* typeName                             */







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    default: assert(!"Bad seekMode");
  }

  return p->iSeek;
}


static void incrblobWatch(ClientData instanceData, int mode){
  /* NO-OP */
}
static int incrblobHandle(ClientData instanceData, int dir, ClientData *hPtr){
  return TCL_ERROR;
}

static Tcl_ChannelType IncrblobChannelType = {
  "incrblob",                        /* typeName                             */
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  0,                                 /* wideSeekProc                         */
};

/*
** Create a new incrblob channel.
*/
static int createIncrblobChannel(
  Tcl_Interp *interp, 
  SqliteDb *pDb, 
  const char *zDb,
  const char *zTable, 
  const char *zColumn, 
  sqlite_int64 iRow,
  int isReadonly
){
  IncrblobChannel *p;
  sqlite3 *db = pDb->db;
  sqlite3_blob *pBlob;
  int rc;







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  0,                                 /* wideSeekProc                         */
};

/*
** Create a new incrblob channel.
*/
static int createIncrblobChannel(
  Tcl_Interp *interp,
  SqliteDb *pDb,
  const char *zDb,
  const char *zTable,
  const char *zColumn,
  sqlite_int64 iRow,
  int isReadonly
){
  IncrblobChannel *p;
  sqlite3 *db = pDb->db;
  sqlite3_blob *pBlob;
  int rc;
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*/
static SqlFunc *findSqlFunc(SqliteDb *pDb, const char *zName){
  SqlFunc *p, *pNew;
  int nName = strlen30(zName);
  pNew = (SqlFunc*)Tcl_Alloc( sizeof(*pNew) + nName + 1 );
  pNew->zName = (char*)&pNew[1];
  memcpy(pNew->zName, zName, nName+1);
  for(p=pDb->pFunc; p; p=p->pNext){ 
    if( sqlite3_stricmp(p->zName, pNew->zName)==0 ){
      Tcl_Free((char*)pNew);
      return p;
    }
  }
  pNew->interp = pDb->interp;
  pNew->pDb = pDb;







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*/
static SqlFunc *findSqlFunc(SqliteDb *pDb, const char *zName){
  SqlFunc *p, *pNew;
  int nName = strlen30(zName);
  pNew = (SqlFunc*)Tcl_Alloc( sizeof(*pNew) + nName + 1 );
  pNew->zName = (char*)&pNew[1];
  memcpy(pNew->zName, zName, nName+1);
  for(p=pDb->pFunc; p; p=p->pNext){
    if( sqlite3_stricmp(p->zName, pNew->zName)==0 ){
      Tcl_Free((char*)pNew);
      return p;
    }
  }
  pNew->interp = pDb->interp;
  pNew->pDb = pDb;
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  }
  if( pDb->zBusy ){
    Tcl_Free(pDb->zBusy);
  }
  if( pDb->zTrace ){
    Tcl_Free(pDb->zTrace);
  }



  if( pDb->zProfile ){
    Tcl_Free(pDb->zProfile);
  }
  if( pDb->zAuth ){
    Tcl_Free(pDb->zAuth);
  }
  if( pDb->zNull ){







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  }
  if( pDb->zBusy ){
    Tcl_Free(pDb->zBusy);
  }
  if( pDb->zTrace ){
    Tcl_Free(pDb->zTrace);
  }
  if( pDb->zTraceV2 ){
    Tcl_Free(pDb->zTraceV2);
  }
  if( pDb->zProfile ){
    Tcl_Free(pDb->zProfile);
  }
  if( pDb->zAuth ){
    Tcl_Free(pDb->zAuth);
  }
  if( pDb->zNull ){
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  Tcl_DStringAppend(&str, pDb->zTrace, -1);
  Tcl_DStringAppendElement(&str, zSql);
  Tcl_Eval(pDb->interp, Tcl_DStringValue(&str));
  Tcl_DStringFree(&str);
  Tcl_ResetResult(pDb->interp);
}
#endif













































































#ifndef SQLITE_OMIT_TRACE
/*
** This routine is called by the SQLite profile handler after a statement
** SQL has executed.  The TCL script in pDb->zProfile is evaluated.
*/
static void DbProfileHandler(void *cd, const char *zSql, sqlite_uint64 tm){







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  Tcl_DStringAppend(&str, pDb->zTrace, -1);
  Tcl_DStringAppendElement(&str, zSql);
  Tcl_Eval(pDb->interp, Tcl_DStringValue(&str));
  Tcl_DStringFree(&str);
  Tcl_ResetResult(pDb->interp);
}
#endif

#ifndef SQLITE_OMIT_TRACE
/*
** This routine is called by the SQLite trace_v2 handler whenever a new
** supported event is generated.  Unsupported event types are ignored.
** The TCL script in pDb->zTraceV2 is executed, with the arguments for
** the event appended to it (as list elements).
*/
static int DbTraceV2Handler(
  unsigned type, /* One of the SQLITE_TRACE_* event types. */
  void *cd,      /* The original context data pointer. */
  void *pd,      /* Primary event data, depends on event type. */
  void *xd       /* Extra event data, depends on event type. */
){
  SqliteDb *pDb = (SqliteDb*)cd;
  Tcl_Obj *pCmd;

  switch( type ){
    case SQLITE_TRACE_STMT: {
      sqlite3_stmt *pStmt = (sqlite3_stmt *)pd;
      char *zSql = (char *)xd;

      pCmd = Tcl_NewStringObj(pDb->zTraceV2, -1);
      Tcl_IncrRefCount(pCmd);
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewWideIntObj((Tcl_WideInt)pStmt));
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewStringObj(zSql, -1));
      Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
      Tcl_DecrRefCount(pCmd);
      Tcl_ResetResult(pDb->interp);
      break;
    }
    case SQLITE_TRACE_PROFILE: {
      sqlite3_stmt *pStmt = (sqlite3_stmt *)pd;
      sqlite3_int64 ns = (sqlite3_int64)xd;

      pCmd = Tcl_NewStringObj(pDb->zTraceV2, -1);
      Tcl_IncrRefCount(pCmd);
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewWideIntObj((Tcl_WideInt)pStmt));
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewWideIntObj((Tcl_WideInt)ns));
      Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
      Tcl_DecrRefCount(pCmd);
      Tcl_ResetResult(pDb->interp);
      break;
    }
    case SQLITE_TRACE_ROW: {
      sqlite3_stmt *pStmt = (sqlite3_stmt *)pd;

      pCmd = Tcl_NewStringObj(pDb->zTraceV2, -1);
      Tcl_IncrRefCount(pCmd);
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewWideIntObj((Tcl_WideInt)pStmt));
      Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
      Tcl_DecrRefCount(pCmd);
      Tcl_ResetResult(pDb->interp);
      break;
    }
    case SQLITE_TRACE_CLOSE: {
      sqlite3 *db = (sqlite3 *)pd;

      pCmd = Tcl_NewStringObj(pDb->zTraceV2, -1);
      Tcl_IncrRefCount(pCmd);
      Tcl_ListObjAppendElement(pDb->interp, pCmd,
                               Tcl_NewWideIntObj((Tcl_WideInt)db));
      Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
      Tcl_DecrRefCount(pCmd);
      Tcl_ResetResult(pDb->interp);
      break;
    }
  }
  return SQLITE_OK;
}
#endif

#ifndef SQLITE_OMIT_TRACE
/*
** This routine is called by the SQLite profile handler after a statement
** SQL has executed.  The TCL script in pDb->zProfile is evaluated.
*/
static void DbProfileHandler(void *cd, const char *zSql, sqlite_uint64 tm){
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  }
}

/*
** This procedure handles wal_hook callbacks.
*/
static int DbWalHandler(
  void *clientData, 
  sqlite3 *db, 
  const char *zDb, 
  int nEntry
){
  int ret = SQLITE_OK;
  Tcl_Obj *p;
  SqliteDb *pDb = (SqliteDb*)clientData;
  Tcl_Interp *interp = pDb->interp;
  assert(pDb->pWalHook);

  assert( db==pDb->db );
  p = Tcl_DuplicateObj(pDb->pWalHook);
  Tcl_IncrRefCount(p);
  Tcl_ListObjAppendElement(interp, p, Tcl_NewStringObj(zDb, -1));
  Tcl_ListObjAppendElement(interp, p, Tcl_NewIntObj(nEntry));
  if( TCL_OK!=Tcl_EvalObjEx(interp, p, 0) 
   || TCL_OK!=Tcl_GetIntFromObj(interp, Tcl_GetObjResult(interp), &ret)
  ){
    Tcl_BackgroundError(interp);
  }
  Tcl_DecrRefCount(p);

  return ret;







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  }
}

/*
** This procedure handles wal_hook callbacks.
*/
static int DbWalHandler(
  void *clientData,
  sqlite3 *db,
  const char *zDb,
  int nEntry
){
  int ret = SQLITE_OK;
  Tcl_Obj *p;
  SqliteDb *pDb = (SqliteDb*)clientData;
  Tcl_Interp *interp = pDb->interp;
  assert(pDb->pWalHook);

  assert( db==pDb->db );
  p = Tcl_DuplicateObj(pDb->pWalHook);
  Tcl_IncrRefCount(p);
  Tcl_ListObjAppendElement(interp, p, Tcl_NewStringObj(zDb, -1));
  Tcl_ListObjAppendElement(interp, p, Tcl_NewIntObj(nEntry));
  if( TCL_OK!=Tcl_EvalObjEx(interp, p, 0)
   || TCL_OK!=Tcl_GetIntFromObj(interp, Tcl_GetObjResult(interp), &ret)
  ){
    Tcl_BackgroundError(interp);
  }
  Tcl_DecrRefCount(p);

  return ret;
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#endif

#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
/*
** Pre-update hook callback.
*/
static void DbPreUpdateHandler(
  void *p, 
  sqlite3 *db,
  int op,
  const char *zDb, 
  const char *zTbl, 
  sqlite_int64 iKey1,
  sqlite_int64 iKey2
){
  SqliteDb *pDb = (SqliteDb *)p;
  Tcl_Obj *pCmd;
  static const char *azStr[] = {"DELETE", "INSERT", "UPDATE"};








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#endif

#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
/*
** Pre-update hook callback.
*/
static void DbPreUpdateHandler(
  void *p,
  sqlite3 *db,
  int op,
  const char *zDb,
  const char *zTbl,
  sqlite_int64 iKey1,
  sqlite_int64 iKey2
){
  SqliteDb *pDb = (SqliteDb *)p;
  Tcl_Obj *pCmd;
  static const char *azStr[] = {"DELETE", "INSERT", "UPDATE"};

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  Tcl_ListObjAppendElement(0, pCmd, Tcl_NewWideIntObj(iKey2));
  Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
  Tcl_DecrRefCount(pCmd);
}
#endif /* SQLITE_ENABLE_PREUPDATE_HOOK */

static void DbUpdateHandler(
  void *p, 
  int op,
  const char *zDb, 
  const char *zTbl, 
  sqlite_int64 rowid
){
  SqliteDb *pDb = (SqliteDb *)p;
  Tcl_Obj *pCmd;
  static const char *azStr[] = {"DELETE", "INSERT", "UPDATE"};

  assert( (SQLITE_DELETE-1)/9 == 0 );







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  Tcl_ListObjAppendElement(0, pCmd, Tcl_NewWideIntObj(iKey2));
  Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
  Tcl_DecrRefCount(pCmd);
}
#endif /* SQLITE_ENABLE_PREUPDATE_HOOK */

static void DbUpdateHandler(
  void *p,
  int op,
  const char *zDb,
  const char *zTbl,
  sqlite_int64 rowid
){
  SqliteDb *pDb = (SqliteDb *)p;
  Tcl_Obj *pCmd;
  static const char *azStr[] = {"DELETE", "INSERT", "UPDATE"};

  assert( (SQLITE_DELETE-1)/9 == 0 );
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    rc = Tcl_EvalObjEx(p->interp, pCmd, 0);
    Tcl_DecrRefCount(pCmd);
  }else{
    /* If there are arguments to the function, make a shallow copy of the
    ** script object, lappend the arguments, then evaluate the copy.
    **
    ** By "shallow" copy, we mean only the outer list Tcl_Obj is duplicated.
    ** The new Tcl_Obj contains pointers to the original list elements. 
    ** That way, when Tcl_EvalObjv() is run and shimmers the first element
    ** of the list to tclCmdNameType, that alternate representation will
    ** be preserved and reused on the next invocation.
    */
    Tcl_Obj **aArg;
    int nArg;
    if( Tcl_ListObjGetElements(p->interp, p->pScript, &nArg, &aArg) ){
      sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1); 
      return;
    }     
    pCmd = Tcl_NewListObj(nArg, aArg);
    Tcl_IncrRefCount(pCmd);
    for(i=0; i<argc; i++){
      sqlite3_value *pIn = argv[i];
      Tcl_Obj *pVal;
            
      /* Set pVal to contain the i'th column of this row. */
      switch( sqlite3_value_type(pIn) ){
        case SQLITE_BLOB: {
          int bytes = sqlite3_value_bytes(pIn);
          pVal = Tcl_NewByteArrayObj(sqlite3_value_blob(pIn), bytes);
          break;
        }







|







|

|





|







891
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    rc = Tcl_EvalObjEx(p->interp, pCmd, 0);
    Tcl_DecrRefCount(pCmd);
  }else{
    /* If there are arguments to the function, make a shallow copy of the
    ** script object, lappend the arguments, then evaluate the copy.
    **
    ** By "shallow" copy, we mean only the outer list Tcl_Obj is duplicated.
    ** The new Tcl_Obj contains pointers to the original list elements.
    ** That way, when Tcl_EvalObjv() is run and shimmers the first element
    ** of the list to tclCmdNameType, that alternate representation will
    ** be preserved and reused on the next invocation.
    */
    Tcl_Obj **aArg;
    int nArg;
    if( Tcl_ListObjGetElements(p->interp, p->pScript, &nArg, &aArg) ){
      sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
      return;
    }
    pCmd = Tcl_NewListObj(nArg, aArg);
    Tcl_IncrRefCount(pCmd);
    for(i=0; i<argc; i++){
      sqlite3_value *pIn = argv[i];
      Tcl_Obj *pVal;

      /* Set pVal to contain the i'th column of this row. */
      switch( sqlite3_value_type(pIn) ){
        case SQLITE_BLOB: {
          int bytes = sqlite3_value_bytes(pIn);
          pVal = Tcl_NewByteArrayObj(sqlite3_value_blob(pIn), bytes);
          break;
        }
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          pVal = Tcl_NewStringObj((char *)sqlite3_value_text(pIn), bytes);
          break;
        }
      }
      rc = Tcl_ListObjAppendElement(p->interp, pCmd, pVal);
      if( rc ){
        Tcl_DecrRefCount(pCmd);
        sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1); 
        return;
      }
    }
    if( !p->useEvalObjv ){
      /* Tcl_EvalObjEx() will automatically call Tcl_EvalObjv() if pCmd
      ** is a list without a string representation.  To prevent this from
      ** happening, make sure pCmd has a valid string representation */
      Tcl_GetString(pCmd);
    }
    rc = Tcl_EvalObjEx(p->interp, pCmd, TCL_EVAL_DIRECT);
    Tcl_DecrRefCount(pCmd);
  }

  if( rc && rc!=TCL_RETURN ){
    sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1); 
  }else{
    Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
    int n;
    u8 *data;
    const char *zType = (pVar->typePtr ? pVar->typePtr->name : "");
    char c = zType[0];
    if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){







|














|







942
943
944
945
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          pVal = Tcl_NewStringObj((char *)sqlite3_value_text(pIn), bytes);
          break;
        }
      }
      rc = Tcl_ListObjAppendElement(p->interp, pCmd, pVal);
      if( rc ){
        Tcl_DecrRefCount(pCmd);
        sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
        return;
      }
    }
    if( !p->useEvalObjv ){
      /* Tcl_EvalObjEx() will automatically call Tcl_EvalObjv() if pCmd
      ** is a list without a string representation.  To prevent this from
      ** happening, make sure pCmd has a valid string representation */
      Tcl_GetString(pCmd);
    }
    rc = Tcl_EvalObjEx(p->interp, pCmd, TCL_EVAL_DIRECT);
    Tcl_DecrRefCount(pCmd);
  }

  if( rc && rc!=TCL_RETURN ){
    sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
  }else{
    Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
    int n;
    u8 *data;
    const char *zType = (pVar->typePtr ? pVar->typePtr->name : "");
    char c = zType[0];
    if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
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984
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986
987
988
989
990
991
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993
  Tcl_DStringAppendElement(&str, zCode);
  Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : "");
  Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : "");
  Tcl_DStringAppendElement(&str, zArg3 ? zArg3 : "");
  Tcl_DStringAppendElement(&str, zArg4 ? zArg4 : "");
#ifdef SQLITE_USER_AUTHENTICATION
  Tcl_DStringAppendElement(&str, zArg5 ? zArg5 : "");
#endif  
  rc = Tcl_GlobalEval(pDb->interp, Tcl_DStringValue(&str));
  Tcl_DStringFree(&str);
  zReply = rc==TCL_OK ? Tcl_GetStringResult(pDb->interp) : "SQLITE_DENY";
  if( strcmp(zReply,"SQLITE_OK")==0 ){
    rc = SQLITE_OK;
  }else if( strcmp(zReply,"SQLITE_DENY")==0 ){
    rc = SQLITE_DENY;







|







1059
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1067
1068
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1070
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1073
  Tcl_DStringAppendElement(&str, zCode);
  Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : "");
  Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : "");
  Tcl_DStringAppendElement(&str, zArg3 ? zArg3 : "");
  Tcl_DStringAppendElement(&str, zArg4 ? zArg4 : "");
#ifdef SQLITE_USER_AUTHENTICATION
  Tcl_DStringAppendElement(&str, zArg5 ? zArg5 : "");
#endif
  rc = Tcl_GlobalEval(pDb->interp, Tcl_DStringValue(&str));
  Tcl_DStringFree(&str);
  zReply = rc==TCL_OK ? Tcl_GetStringResult(pDb->interp) : "SQLITE_DENY";
  if( strcmp(zReply,"SQLITE_OK")==0 ){
    rc = SQLITE_OK;
  }else if( strcmp(zReply,"SQLITE_DENY")==0 ){
    rc = SQLITE_DENY;
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
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1094
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1096
1097
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1099
1100
1101
1102
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1104
1105
1106
1107
1108
1109

  pDb->nTransaction--;
  zEnd = azEnd[(rc==TCL_ERROR)*2 + (pDb->nTransaction==0)];

  pDb->disableAuth++;
  if( sqlite3_exec(pDb->db, zEnd, 0, 0, 0) ){
      /* This is a tricky scenario to handle. The most likely cause of an
      ** error is that the exec() above was an attempt to commit the 
      ** top-level transaction that returned SQLITE_BUSY. Or, less likely,
      ** that an IO-error has occurred. In either case, throw a Tcl exception
      ** and try to rollback the transaction.
      **
      ** But it could also be that the user executed one or more BEGIN, 
      ** COMMIT, SAVEPOINT, RELEASE or ROLLBACK commands that are confusing
      ** this method's logic. Not clear how this would be best handled.
      */
    if( rc!=TCL_ERROR ){
      Tcl_AppendResult(interp, sqlite3_errmsg(pDb->db), (char*)0);
      rc = TCL_ERROR;
    }
    sqlite3_exec(pDb->db, "ROLLBACK", 0, 0, 0);
  }
  pDb->disableAuth--;

  return rc;
}

/*
** Unless SQLITE_TEST is defined, this function is a simple wrapper around
** sqlite3_prepare_v2(). If SQLITE_TEST is defined, then it uses either
** sqlite3_prepare_v2() or legacy interface sqlite3_prepare(), depending
** on whether or not the [db_use_legacy_prepare] command has been used to 
** configure the connection.
*/
static int dbPrepare(
  SqliteDb *pDb,                  /* Database object */
  const char *zSql,               /* SQL to compile */
  sqlite3_stmt **ppStmt,          /* OUT: Prepared statement */
  const char **pzOut              /* OUT: Pointer to next SQL statement */







|




|


















|







1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
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1170
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1174
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1177
1178
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1180
1181
1182
1183
1184
1185
1186
1187
1188
1189

  pDb->nTransaction--;
  zEnd = azEnd[(rc==TCL_ERROR)*2 + (pDb->nTransaction==0)];

  pDb->disableAuth++;
  if( sqlite3_exec(pDb->db, zEnd, 0, 0, 0) ){
      /* This is a tricky scenario to handle. The most likely cause of an
      ** error is that the exec() above was an attempt to commit the
      ** top-level transaction that returned SQLITE_BUSY. Or, less likely,
      ** that an IO-error has occurred. In either case, throw a Tcl exception
      ** and try to rollback the transaction.
      **
      ** But it could also be that the user executed one or more BEGIN,
      ** COMMIT, SAVEPOINT, RELEASE or ROLLBACK commands that are confusing
      ** this method's logic. Not clear how this would be best handled.
      */
    if( rc!=TCL_ERROR ){
      Tcl_AppendResult(interp, sqlite3_errmsg(pDb->db), (char*)0);
      rc = TCL_ERROR;
    }
    sqlite3_exec(pDb->db, "ROLLBACK", 0, 0, 0);
  }
  pDb->disableAuth--;

  return rc;
}

/*
** Unless SQLITE_TEST is defined, this function is a simple wrapper around
** sqlite3_prepare_v2(). If SQLITE_TEST is defined, then it uses either
** sqlite3_prepare_v2() or legacy interface sqlite3_prepare(), depending
** on whether or not the [db_use_legacy_prepare] command has been used to
** configure the connection.
*/
static int dbPrepare(
  SqliteDb *pDb,                  /* Database object */
  const char *zSql,               /* SQL to compile */
  sqlite3_stmt **ppStmt,          /* OUT: Prepared statement */
  const char **pzOut              /* OUT: Pointer to next SQL statement */
1151
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1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165

  /* Trim spaces from the start of zSql and calculate the remaining length. */
  while( (c = zSql[0])==' ' || c=='\t' || c=='\r' || c=='\n' ){ zSql++; }
  nSql = strlen30(zSql);

  for(pPreStmt = pDb->stmtList; pPreStmt; pPreStmt=pPreStmt->pNext){
    int n = pPreStmt->nSql;
    if( nSql>=n 
        && memcmp(pPreStmt->zSql, zSql, n)==0
        && (zSql[n]==0 || zSql[n-1]==';')
    ){
      pStmt = pPreStmt->pStmt;
      *pzOut = &zSql[pPreStmt->nSql];

      /* When a prepared statement is found, unlink it from the







|







1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245

  /* Trim spaces from the start of zSql and calculate the remaining length. */
  while( (c = zSql[0])==' ' || c=='\t' || c=='\r' || c=='\n' ){ zSql++; }
  nSql = strlen30(zSql);

  for(pPreStmt = pDb->stmtList; pPreStmt; pPreStmt=pPreStmt->pNext){
    int n = pPreStmt->nSql;
    if( nSql>=n
        && memcmp(pPreStmt->zSql, zSql, n)==0
        && (zSql[n]==0 || zSql[n-1]==';')
    ){
      pStmt = pPreStmt->pStmt;
      *pzOut = &zSql[pPreStmt->nSql];

      /* When a prepared statement is found, unlink it from the
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
        pDb->stmtLast = pPreStmt->pPrev;
      }
      pDb->nStmt--;
      nVar = sqlite3_bind_parameter_count(pStmt);
      break;
    }
  }
  
  /* If no prepared statement was found. Compile the SQL text. Also allocate
  ** a new SqlPreparedStmt structure.  */
  if( pPreStmt==0 ){
    int nByte;

    if( SQLITE_OK!=dbPrepare(pDb, zSql, &pStmt, pzOut) ){
      Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3_errmsg(pDb->db), -1));







|







1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
        pDb->stmtLast = pPreStmt->pPrev;
      }
      pDb->nStmt--;
      nVar = sqlite3_bind_parameter_count(pStmt);
      break;
    }
  }

  /* If no prepared statement was found. Compile the SQL text. Also allocate
  ** a new SqlPreparedStmt structure.  */
  if( pPreStmt==0 ){
    int nByte;

    if( SQLITE_OK!=dbPrepare(pDb, zSql, &pStmt, pzOut) ){
      Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3_errmsg(pDb->db), -1));
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
    }
#endif
  }
  assert( pPreStmt );
  assert( strlen30(pPreStmt->zSql)==pPreStmt->nSql );
  assert( 0==memcmp(pPreStmt->zSql, zSql, pPreStmt->nSql) );

  /* Bind values to parameters that begin with $ or : */  
  for(i=1; i<=nVar; i++){
    const char *zVar = sqlite3_bind_parameter_name(pStmt, i);
    if( zVar!=0 && (zVar[0]=='$' || zVar[0]==':' || zVar[0]=='@') ){
      Tcl_Obj *pVar = Tcl_GetVar2Ex(interp, &zVar[1], 0, 0);
      if( pVar ){
        int n;
        u8 *data;







|







1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
    }
#endif
  }
  assert( pPreStmt );
  assert( strlen30(pPreStmt->zSql)==pPreStmt->nSql );
  assert( 0==memcmp(pPreStmt->zSql, zSql, pPreStmt->nSql) );

  /* Bind values to parameters that begin with $ or : */
  for(i=1; i<=nVar; i++){
    const char *zVar = sqlite3_bind_parameter_name(pStmt, i);
    if( zVar!=0 && (zVar[0]=='$' || zVar[0]==':' || zVar[0]=='@') ){
      Tcl_Obj *pVar = Tcl_GetVar2Ex(interp, &zVar[1], 0, 0);
      if( pVar ){
        int n;
        u8 *data;
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
    if( pDb->stmtLast==0 ){
      assert( pDb->nStmt==0 );
      pDb->stmtLast = pPreStmt;
    }else{
      assert( pDb->nStmt>0 );
    }
    pDb->nStmt++;
   
    /* If we have too many statement in cache, remove the surplus from 
    ** the end of the cache list.  */
    while( pDb->nStmt>pDb->maxStmt ){
      SqlPreparedStmt *pLast = pDb->stmtLast;
      pDb->stmtLast = pLast->pPrev;
      pDb->stmtLast->pNext = 0;
      pDb->nStmt--;
      dbFreeStmt(pLast);







|
|







1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
    if( pDb->stmtLast==0 ){
      assert( pDb->nStmt==0 );
      pDb->stmtLast = pPreStmt;
    }else{
      assert( pDb->nStmt>0 );
    }
    pDb->nStmt++;

    /* If we have too many statement in cache, remove the surplus from
    ** the end of the cache list.  */
    while( pDb->nStmt>pDb->maxStmt ){
      SqlPreparedStmt *pLast = pDb->stmtLast;
      pDb->stmtLast = pLast->pPrev;
      pDb->stmtLast->pNext = 0;
      pDb->nStmt--;
      dbFreeStmt(pLast);
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381

/*
** Initialize a DbEvalContext structure.
**
** If pArray is not NULL, then it contains the name of a Tcl array
** variable. The "*" member of this array is set to a list containing
** the names of the columns returned by the statement as part of each
** call to dbEvalStep(), in order from left to right. e.g. if the names 
** of the returned columns are a, b and c, it does the equivalent of the 
** tcl command:
**
**     set ${pArray}(*) {a b c}
*/
static void dbEvalInit(
  DbEvalContext *p,               /* Pointer to structure to initialize */
  SqliteDb *pDb,                  /* Database handle */







|
|







1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461

/*
** Initialize a DbEvalContext structure.
**
** If pArray is not NULL, then it contains the name of a Tcl array
** variable. The "*" member of this array is set to a list containing
** the names of the columns returned by the statement as part of each
** call to dbEvalStep(), in order from left to right. e.g. if the names
** of the returned columns are a, b and c, it does the equivalent of the
** tcl command:
**
**     set ${pArray}(*) {a b c}
*/
static void dbEvalInit(
  DbEvalContext *p,               /* Pointer to structure to initialize */
  SqliteDb *pDb,                  /* Database handle */
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
      if( rcs!=SQLITE_OK ){
        /* If a run-time error occurs, report the error and stop reading
        ** the SQL.  */
        dbReleaseStmt(pDb, pPreStmt, 1);
#if SQLITE_TEST
        if( p->pDb->bLegacyPrepare && rcs==SQLITE_SCHEMA && zPrevSql ){
          /* If the runtime error was an SQLITE_SCHEMA, and the database
          ** handle is configured to use the legacy sqlite3_prepare() 
          ** interface, retry prepare()/step() on the same SQL statement.
          ** This only happens once. If there is a second SQLITE_SCHEMA
          ** error, the error will be returned to the caller. */
          p->zSql = zPrevSql;
          continue;
        }
#endif







|







1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
      if( rcs!=SQLITE_OK ){
        /* If a run-time error occurs, report the error and stop reading
        ** the SQL.  */
        dbReleaseStmt(pDb, pPreStmt, 1);
#if SQLITE_TEST
        if( p->pDb->bLegacyPrepare && rcs==SQLITE_SCHEMA && zPrevSql ){
          /* If the runtime error was an SQLITE_SCHEMA, and the database
          ** handle is configured to use the legacy sqlite3_prepare()
          ** interface, retry prepare()/step() on the same SQL statement.
          ** This only happens once. If there is a second SQLITE_SCHEMA
          ** error, the error will be returned to the caller. */
          p->zSql = zPrevSql;
          continue;
        }
#endif
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
# define SQLITE_TCL_NRE 1
static int DbUseNre(void){
  int major, minor;
  Tcl_GetVersion(&major, &minor, 0, 0);
  return( (major==8 && minor>=6) || major>8 );
}
#else
/* 
** Compiling using headers earlier than 8.6. In this case NR cannot be
** used, so DbUseNre() to always return zero. Add #defines for the other
** Tcl_NRxxx() functions to prevent them from causing compilation errors,
** even though the only invocations of them are within conditional blocks 
** of the form:
**
**   if( DbUseNre() ) { ... }
*/
# define SQLITE_TCL_NRE 0
# define DbUseNre() 0
# define Tcl_NRAddCallback(a,b,c,d,e,f) (void)0







|



|







1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
# define SQLITE_TCL_NRE 1
static int DbUseNre(void){
  int major, minor;
  Tcl_GetVersion(&major, &minor, 0, 0);
  return( (major==8 && minor>=6) || major>8 );
}
#else
/*
** Compiling using headers earlier than 8.6. In this case NR cannot be
** used, so DbUseNre() to always return zero. Add #defines for the other
** Tcl_NRxxx() functions to prevent them from causing compilation errors,
** even though the only invocations of them are within conditional blocks
** of the form:
**
**   if( DbUseNre() ) { ... }
*/
# define SQLITE_TCL_NRE 0
# define DbUseNre() 0
# define Tcl_NRAddCallback(a,b,c,d,e,f) (void)0
1626
1627
1628
1629
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1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
      if( pArray==0 ){
        Tcl_ObjSetVar2(interp, apColName[i], 0, pVal, 0);
      }else{
        Tcl_ObjSetVar2(interp, pArray, apColName[i], pVal, 0);
      }
    }

    /* The required interpreter variables are now populated with the data 
    ** from the current row. If using NRE, schedule callbacks to evaluate
    ** script pScript, then to invoke this function again to fetch the next
    ** row (or clean up if there is no next row or the script throws an
    ** exception). After scheduling the callbacks, return control to the 
    ** caller.
    **
    ** If not using NRE, evaluate pScript directly and continue with the
    ** next iteration of this while(...) loop.  */
    if( DbUseNre() ){
      Tcl_NRAddCallback(interp, DbEvalNextCmd, (void*)p, (void*)pScript, 0, 0);
      return Tcl_NREvalObj(interp, pScript, 0);







|



|







1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
      if( pArray==0 ){
        Tcl_ObjSetVar2(interp, apColName[i], 0, pVal, 0);
      }else{
        Tcl_ObjSetVar2(interp, pArray, apColName[i], pVal, 0);
      }
    }

    /* The required interpreter variables are now populated with the data
    ** from the current row. If using NRE, schedule callbacks to evaluate
    ** script pScript, then to invoke this function again to fetch the next
    ** row (or clean up if there is no next row or the script throws an
    ** exception). After scheduling the callbacks, return control to the
    ** caller.
    **
    ** If not using NRE, evaluate pScript directly and continue with the
    ** next iteration of this while(...) loop.  */
    if( DbUseNre() ){
      Tcl_NRAddCallback(interp, DbEvalNextCmd, (void*)p, (void*)pScript, 0, 0);
      return Tcl_NREvalObj(interp, pScript, 0);
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
    Tcl_ResetResult(interp);
    rc = TCL_OK;
  }
  return rc;
}

/*
** This function is used by the implementations of the following database 
** handle sub-commands:
**
**   $db update_hook ?SCRIPT?
**   $db wal_hook ?SCRIPT?
**   $db commit_hook ?SCRIPT?
**   $db preupdate hook ?SCRIPT?
*/







|







1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
    Tcl_ResetResult(interp);
    rc = TCL_OK;
  }
  return rc;
}

/*
** This function is used by the implementations of the following database
** handle sub-commands:
**
**   $db update_hook ?SCRIPT?
**   $db wal_hook ?SCRIPT?
**   $db commit_hook ?SCRIPT?
**   $db preupdate hook ?SCRIPT?
*/
1722
1723
1724
1725
1726
1727
1728
1729
1730

1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745

1746
1747
1748
1749
1750
1751
1752
    "complete",           "copy",              "enable_load_extension",
    "errorcode",          "eval",              "exists",
    "function",           "incrblob",          "interrupt",
    "last_insert_rowid",  "nullvalue",         "onecolumn",
    "preupdate",          "profile",           "progress",
    "rekey",              "restore",           "rollback_hook",
    "status",             "timeout",           "total_changes",
    "trace",              "transaction",       "unlock_notify",
    "update_hook",        "version",           "wal_hook",

    0                    
  };
  enum DB_enum {
    DB_AUTHORIZER,        DB_BACKUP,           DB_BUSY,
    DB_CACHE,             DB_CHANGES,          DB_CLOSE,
    DB_COLLATE,           DB_COLLATION_NEEDED, DB_COMMIT_HOOK,
    DB_COMPLETE,          DB_COPY,             DB_ENABLE_LOAD_EXTENSION,
    DB_ERRORCODE,         DB_EVAL,             DB_EXISTS,
    DB_FUNCTION,          DB_INCRBLOB,         DB_INTERRUPT,
    DB_LAST_INSERT_ROWID, DB_NULLVALUE,        DB_ONECOLUMN,
    DB_PREUPDATE,         DB_PROFILE,          DB_PROGRESS,
    DB_REKEY,             DB_RESTORE,          DB_ROLLBACK_HOOK,
    DB_STATUS,            DB_TIMEOUT,          DB_TOTAL_CHANGES,
    DB_TRACE,             DB_TRANSACTION,      DB_UNLOCK_NOTIFY,
    DB_UPDATE_HOOK,       DB_VERSION,          DB_WAL_HOOK,

  };
  /* don't leave trailing commas on DB_enum, it confuses the AIX xlc compiler */

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SUBCOMMAND ...");
    return TCL_ERROR;
  }







|
|
>
|












|
|
>







1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
    "complete",           "copy",              "enable_load_extension",
    "errorcode",          "eval",              "exists",
    "function",           "incrblob",          "interrupt",
    "last_insert_rowid",  "nullvalue",         "onecolumn",
    "preupdate",          "profile",           "progress",
    "rekey",              "restore",           "rollback_hook",
    "status",             "timeout",           "total_changes",
    "trace",              "trace_v2",          "transaction",
    "unlock_notify",      "update_hook",       "version",
    "wal_hook",
    0
  };
  enum DB_enum {
    DB_AUTHORIZER,        DB_BACKUP,           DB_BUSY,
    DB_CACHE,             DB_CHANGES,          DB_CLOSE,
    DB_COLLATE,           DB_COLLATION_NEEDED, DB_COMMIT_HOOK,
    DB_COMPLETE,          DB_COPY,             DB_ENABLE_LOAD_EXTENSION,
    DB_ERRORCODE,         DB_EVAL,             DB_EXISTS,
    DB_FUNCTION,          DB_INCRBLOB,         DB_INTERRUPT,
    DB_LAST_INSERT_ROWID, DB_NULLVALUE,        DB_ONECOLUMN,
    DB_PREUPDATE,         DB_PROFILE,          DB_PROGRESS,
    DB_REKEY,             DB_RESTORE,          DB_ROLLBACK_HOOK,
    DB_STATUS,            DB_TIMEOUT,          DB_TOTAL_CHANGES,
    DB_TRACE,             DB_TRACE_V2,         DB_TRANSACTION,
    DB_UNLOCK_NOTIFY,     DB_UPDATE_HOOK,      DB_VERSION,
    DB_WAL_HOOK,
  };
  /* don't leave trailing commas on DB_enum, it confuses the AIX xlc compiler */

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SUBCOMMAND ...");
    return TCL_ERROR;
  }
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
      }
    }else if( *subCmd=='s' && strcmp(subCmd,"size")==0 ){
      if( objc!=4 ){
        Tcl_WrongNumArgs(interp, 2, objv, "size n");
        return TCL_ERROR;
      }else{
        if( TCL_ERROR==Tcl_GetIntFromObj(interp, objv[3], &n) ){
          Tcl_AppendResult( interp, "cannot convert \"", 
               Tcl_GetStringFromObj(objv[3],0), "\" to integer", (char*)0);
          return TCL_ERROR;
        }else{
          if( n<0 ){
            flushStmtCache( pDb );
            n = 0;
          }else if( n>MAX_PREPARED_STMTS ){
            n = MAX_PREPARED_STMTS;
          }
          pDb->maxStmt = n;
        }
      }
    }else{
      Tcl_AppendResult( interp, "bad option \"", 
          Tcl_GetStringFromObj(objv[2],0), "\": must be flush or size",
          (char*)0);
      return TCL_ERROR;
    }
    break;
  }

  /*     $db changes
  **
  ** Return the number of rows that were modified, inserted, or deleted by
  ** the most recent INSERT, UPDATE or DELETE statement, not including 
  ** any changes made by trigger programs.
  */
  case DB_CHANGES: {
    Tcl_Obj *pResult;
    if( objc!=2 ){
      Tcl_WrongNumArgs(interp, 2, objv, "");
      return TCL_ERROR;







|













|










|







2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
      }
    }else if( *subCmd=='s' && strcmp(subCmd,"size")==0 ){
      if( objc!=4 ){
        Tcl_WrongNumArgs(interp, 2, objv, "size n");
        return TCL_ERROR;
      }else{
        if( TCL_ERROR==Tcl_GetIntFromObj(interp, objv[3], &n) ){
          Tcl_AppendResult( interp, "cannot convert \"",
               Tcl_GetStringFromObj(objv[3],0), "\" to integer", (char*)0);
          return TCL_ERROR;
        }else{
          if( n<0 ){
            flushStmtCache( pDb );
            n = 0;
          }else if( n>MAX_PREPARED_STMTS ){
            n = MAX_PREPARED_STMTS;
          }
          pDb->maxStmt = n;
        }
      }
    }else{
      Tcl_AppendResult( interp, "bad option \"",
          Tcl_GetStringFromObj(objv[2],0), "\": must be flush or size",
          (char*)0);
      return TCL_ERROR;
    }
    break;
  }

  /*     $db changes
  **
  ** Return the number of rows that were modified, inserted, or deleted by
  ** the most recent INSERT, UPDATE or DELETE statement, not including
  ** any changes made by trigger programs.
  */
  case DB_CHANGES: {
    Tcl_Obj *pResult;
    if( objc!=2 ){
      Tcl_WrongNumArgs(interp, 2, objv, "");
      return TCL_ERROR;
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
    pCollate = (SqlCollate*)Tcl_Alloc( sizeof(*pCollate) + nScript + 1 );
    if( pCollate==0 ) return TCL_ERROR;
    pCollate->interp = interp;
    pCollate->pNext = pDb->pCollate;
    pCollate->zScript = (char*)&pCollate[1];
    pDb->pCollate = pCollate;
    memcpy(pCollate->zScript, zScript, nScript+1);
    if( sqlite3_create_collation(pDb->db, zName, SQLITE_UTF8, 
        pCollate, tclSqlCollate) ){
      Tcl_SetResult(interp, (char *)sqlite3_errmsg(pDb->db), TCL_VOLATILE);
      return TCL_ERROR;
    }
    break;
  }








|







2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
    pCollate = (SqlCollate*)Tcl_Alloc( sizeof(*pCollate) + nScript + 1 );
    if( pCollate==0 ) return TCL_ERROR;
    pCollate->interp = interp;
    pCollate->pNext = pDb->pCollate;
    pCollate->zScript = (char*)&pCollate[1];
    pDb->pCollate = pCollate;
    memcpy(pCollate->zScript, zScript, nScript+1);
    if( sqlite3_create_collation(pDb->db, zName, SQLITE_UTF8,
        pCollate, tclSqlCollate) ){
      Tcl_SetResult(interp, (char *)sqlite3_errmsg(pDb->db), TCL_VOLATILE);
      return TCL_ERROR;
    }
    break;
  }

2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
    int lineno = 0;             /* Line number of input file */
    char zLineNum[80];          /* Line number print buffer */
    Tcl_Obj *pResult;           /* interp result */

    const char *zSep;
    const char *zNull;
    if( objc<5 || objc>7 ){
      Tcl_WrongNumArgs(interp, 2, objv, 
         "CONFLICT-ALGORITHM TABLE FILENAME ?SEPARATOR? ?NULLINDICATOR?");
      return TCL_ERROR;
    }
    if( objc>=6 ){
      zSep = Tcl_GetStringFromObj(objv[5], 0);
    }else{
      zSep = "\t";







|







2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
    int lineno = 0;             /* Line number of input file */
    char zLineNum[80];          /* Line number print buffer */
    Tcl_Obj *pResult;           /* interp result */

    const char *zSep;
    const char *zNull;
    if( objc<5 || objc>7 ){
      Tcl_WrongNumArgs(interp, 2, objv,
         "CONFLICT-ALGORITHM TABLE FILENAME ?SEPARATOR? ?NULLINDICATOR?");
      return TCL_ERROR;
    }
    if( objc>=6 ){
      zSep = Tcl_GetStringFromObj(objv[5], 0);
    }else{
      zSep = "\t";
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
      return TCL_ERROR;
    }
    if(strcmp(zConflict, "rollback") != 0 &&
       strcmp(zConflict, "abort"   ) != 0 &&
       strcmp(zConflict, "fail"    ) != 0 &&
       strcmp(zConflict, "ignore"  ) != 0 &&
       strcmp(zConflict, "replace" ) != 0 ) {
      Tcl_AppendResult(interp, "Error: \"", zConflict, 
            "\", conflict-algorithm must be one of: rollback, "
            "abort, fail, ignore, or replace", (char*)0);
      return TCL_ERROR;
    }
    zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable);
    if( zSql==0 ){
      Tcl_AppendResult(interp, "Error: no such table: ", zTable, (char*)0);







|







2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
      return TCL_ERROR;
    }
    if(strcmp(zConflict, "rollback") != 0 &&
       strcmp(zConflict, "abort"   ) != 0 &&
       strcmp(zConflict, "fail"    ) != 0 &&
       strcmp(zConflict, "ignore"  ) != 0 &&
       strcmp(zConflict, "replace" ) != 0 ) {
      Tcl_AppendResult(interp, "Error: \"", zConflict,
            "\", conflict-algorithm must be one of: rollback, "
            "abort, fail, ignore, or replace", (char*)0);
      return TCL_ERROR;
    }
    zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable);
    if( zSql==0 ){
      Tcl_AppendResult(interp, "Error: no such table: ", zTable, (char*)0);
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
        }
        zCommit = "ROLLBACK";
        break;
      }
      for(i=0; i<nCol; i++){
        /* check for null data, if so, bind as null */
        if( (nNull>0 && strcmp(azCol[i], zNull)==0)
          || strlen30(azCol[i])==0 
        ){
          sqlite3_bind_null(pStmt, i+1);
        }else{
          sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC);
        }
      }
      sqlite3_step(pStmt);







|







2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
        }
        zCommit = "ROLLBACK";
        break;
      }
      for(i=0; i<nCol; i++){
        /* check for null data, if so, bind as null */
        if( (nNull>0 && strcmp(azCol[i], zNull)==0)
          || strlen30(azCol[i])==0
        ){
          sqlite3_bind_null(pStmt, i+1);
        }else{
          sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC);
        }
      }
      sqlite3_step(pStmt);
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
  /*
  **    $db exists $sql
  **    $db onecolumn $sql
  **
  ** The onecolumn method is the equivalent of:
  **     lindex [$db eval $sql] 0
  */
  case DB_EXISTS: 
  case DB_ONECOLUMN: {
    Tcl_Obj *pResult = 0;
    DbEvalContext sEval;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "SQL");
      return TCL_ERROR;
    }







|







2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
  /*
  **    $db exists $sql
  **    $db onecolumn $sql
  **
  ** The onecolumn method is the equivalent of:
  **     lindex [$db eval $sql] 0
  */
  case DB_EXISTS:
  case DB_ONECOLUMN: {
    Tcl_Obj *pResult = 0;
    DbEvalContext sEval;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "SQL");
      return TCL_ERROR;
    }
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
    if( pResult ) Tcl_SetObjResult(interp, pResult);

    if( rc==TCL_BREAK ){
      rc = TCL_OK;
    }
    break;
  }
   
  /*
  **    $db eval $sql ?array? ?{  ...code... }?
  **
  ** The SQL statement in $sql is evaluated.  For each row, the values are
  ** placed in elements of the array named "array" and ...code... is executed.
  ** If "array" and "code" are omitted, then no callback is every invoked.
  ** If "array" is an empty string, then the values are placed in variables







|







2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
    if( pResult ) Tcl_SetObjResult(interp, pResult);

    if( rc==TCL_BREAK ){
      rc = TCL_OK;
    }
    break;
  }

  /*
  **    $db eval $sql ?array? ?{  ...code... }?
  **
  ** The SQL statement in $sql is evaluated.  For each row, the values are
  ** placed in elements of the array named "array" and ...code... is executed.
  ** If "array" and "code" are omitted, then no callback is every invoked.
  ** If "array" is an empty string, then the values are placed in variables
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
      Tcl_Obj *pScript;

      if( objc==5 && *(char *)Tcl_GetString(objv[3]) ){
        pArray = objv[3];
      }
      pScript = objv[objc-1];
      Tcl_IncrRefCount(pScript);
      
      p = (DbEvalContext *)Tcl_Alloc(sizeof(DbEvalContext));
      dbEvalInit(p, pDb, objv[2], pArray);

      cd2[0] = (void *)p;
      cd2[1] = (void *)pScript;
      rc = DbEvalNextCmd(cd2, interp, TCL_OK);
    }







|







2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
      Tcl_Obj *pScript;

      if( objc==5 && *(char *)Tcl_GetString(objv[3]) ){
        pArray = objv[3];
      }
      pScript = objv[objc-1];
      Tcl_IncrRefCount(pScript);

      p = (DbEvalContext *)Tcl_Alloc(sizeof(DbEvalContext));
      dbEvalInit(p, pDb, objv[2], pArray);

      cd2[0] = (void *)p;
      cd2[1] = (void *)pScript;
      rc = DbEvalNextCmd(cd2, interp, TCL_OK);
    }
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
          return TCL_ERROR;
        }
        i++;
      }else
      if( n>2 && strncmp(z, "-deterministic",n)==0 ){
        flags |= SQLITE_DETERMINISTIC;
      }else{
        Tcl_AppendResult(interp, "bad option \"", z, 
            "\": must be -argcount or -deterministic", 0
        );
        return TCL_ERROR;
      }
    }

    pScript = objv[objc-1];







|







2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
          return TCL_ERROR;
        }
        i++;
      }else
      if( n>2 && strncmp(z, "-deterministic",n)==0 ){
        flags |= SQLITE_DETERMINISTIC;
      }else{
        Tcl_AppendResult(interp, "bad option \"", z,
            "\": must be -argcount or -deterministic", 0
        );
        return TCL_ERROR;
      }
    }

    pScript = objv[objc-1];
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
      }
    }
    Tcl_SetObjResult(interp, Tcl_NewStringObj(pDb->zNull, -1));
    break;
  }

  /*
  **     $db last_insert_rowid 
  **
  ** Return an integer which is the ROWID for the most recent insert.
  */
  case DB_LAST_INSERT_ROWID: {
    Tcl_Obj *pResult;
    Tcl_WideInt rowid;
    if( objc!=2 ){







|







2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
      }
    }
    Tcl_SetObjResult(interp, Tcl_NewStringObj(pDb->zNull, -1));
    break;
  }

  /*
  **     $db last_insert_rowid
  **
  ** Return an integer which is the ROWID for the most recent insert.
  */
  case DB_LAST_INSERT_ROWID: {
    Tcl_Obj *pResult;
    Tcl_WideInt rowid;
    if( objc!=2 ){
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
  }

  /*
  ** The DB_ONECOLUMN method is implemented together with DB_EXISTS.
  */

  /*    $db progress ?N CALLBACK?
  ** 
  ** Invoke the given callback every N virtual machine opcodes while executing
  ** queries.
  */
  case DB_PROGRESS: {
    if( objc==2 ){
      if( pDb->zProgress ){
        Tcl_AppendResult(interp, pDb->zProgress, (char*)0);







|







2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
  }

  /*
  ** The DB_ONECOLUMN method is implemented together with DB_EXISTS.
  */

  /*    $db progress ?N CALLBACK?
  **
  ** Invoke the given callback every N virtual machine opcodes while executing
  ** queries.
  */
  case DB_PROGRESS: {
    if( objc==2 ){
      if( pDb->zProgress ){
        Tcl_AppendResult(interp, pDb->zProgress, (char*)0);
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
    }
#endif
    break;
  }

  /*    $db restore ?DATABASE? FILENAME
  **
  ** Open a database file named FILENAME.  Transfer the content 
  ** of FILENAME into the local database DATABASE (default: "main").
  */
  case DB_RESTORE: {
    const char *zSrcFile;
    const char *zDestDb;
    sqlite3 *pSrc;
    sqlite3_backup *pBackup;







|







2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
    }
#endif
    break;
  }

  /*    $db restore ?DATABASE? FILENAME
  **
  ** Open a database file named FILENAME.  Transfer the content
  ** of FILENAME into the local database DATABASE (default: "main").
  */
  case DB_RESTORE: {
    const char *zSrcFile;
    const char *zDestDb;
    sqlite3 *pSrc;
    sqlite3_backup *pBackup;
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
    sqlite3_close(pSrc);
    break;
  }

  /*
  **     $db status (step|sort|autoindex)
  **
  ** Display SQLITE_STMTSTATUS_FULLSCAN_STEP or 
  ** SQLITE_STMTSTATUS_SORT for the most recent eval.
  */
  case DB_STATUS: {
    int v;
    const char *zOp;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "(step|sort|autoindex)");
      return TCL_ERROR;
    }
    zOp = Tcl_GetString(objv[2]);
    if( strcmp(zOp, "step")==0 ){
      v = pDb->nStep;
    }else if( strcmp(zOp, "sort")==0 ){
      v = pDb->nSort;
    }else if( strcmp(zOp, "autoindex")==0 ){
      v = pDb->nIndex;
    }else{
      Tcl_AppendResult(interp, 
            "bad argument: should be autoindex, step, or sort", 
            (char*)0);
      return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
    break;
  }
  
  /*
  **     $db timeout MILLESECONDS
  **
  ** Delay for the number of milliseconds specified when a file is locked.
  */
  case DB_TIMEOUT: {
    int ms;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "MILLISECONDS");
      return TCL_ERROR;
    }
    if( Tcl_GetIntFromObj(interp, objv[2], &ms) ) return TCL_ERROR;
    sqlite3_busy_timeout(pDb->db, ms);
    break;
  }
  
  /*
  **     $db total_changes
  **
  ** Return the number of rows that were modified, inserted, or deleted 
  ** since the database handle was created.
  */
  case DB_TOTAL_CHANGES: {
    Tcl_Obj *pResult;
    if( objc!=2 ){
      Tcl_WrongNumArgs(interp, 2, objv, "");
      return TCL_ERROR;







|

















|
|






|















|



|







2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
    sqlite3_close(pSrc);
    break;
  }

  /*
  **     $db status (step|sort|autoindex)
  **
  ** Display SQLITE_STMTSTATUS_FULLSCAN_STEP or
  ** SQLITE_STMTSTATUS_SORT for the most recent eval.
  */
  case DB_STATUS: {
    int v;
    const char *zOp;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "(step|sort|autoindex)");
      return TCL_ERROR;
    }
    zOp = Tcl_GetString(objv[2]);
    if( strcmp(zOp, "step")==0 ){
      v = pDb->nStep;
    }else if( strcmp(zOp, "sort")==0 ){
      v = pDb->nSort;
    }else if( strcmp(zOp, "autoindex")==0 ){
      v = pDb->nIndex;
    }else{
      Tcl_AppendResult(interp,
            "bad argument: should be autoindex, step, or sort",
            (char*)0);
      return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
    break;
  }

  /*
  **     $db timeout MILLESECONDS
  **
  ** Delay for the number of milliseconds specified when a file is locked.
  */
  case DB_TIMEOUT: {
    int ms;
    if( objc!=3 ){
      Tcl_WrongNumArgs(interp, 2, objv, "MILLISECONDS");
      return TCL_ERROR;
    }
    if( Tcl_GetIntFromObj(interp, objv[2], &ms) ) return TCL_ERROR;
    sqlite3_busy_timeout(pDb->db, ms);
    break;
  }

  /*
  **     $db total_changes
  **
  ** Return the number of rows that were modified, inserted, or deleted
  ** since the database handle was created.
  */
  case DB_TOTAL_CHANGES: {
    Tcl_Obj *pResult;
    if( objc!=2 ){
      Tcl_WrongNumArgs(interp, 2, objv, "");
      return TCL_ERROR;
2834
2835
2836
2837
2838
2839
2840















































2841
2842
2843
2844
2845
2846
2847
      if( pDb->zTrace ){
        pDb->interp = interp;
        sqlite3_trace(pDb->db, DbTraceHandler, pDb);
      }else{
        sqlite3_trace(pDb->db, 0, 0);
      }
#endif















































    }
    break;
  }

  /*    $db transaction [-deferred|-immediate|-exclusive] SCRIPT
  **
  ** Start a new transaction (if we are not already in the midst of a







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
      if( pDb->zTrace ){
        pDb->interp = interp;
        sqlite3_trace(pDb->db, DbTraceHandler, pDb);
      }else{
        sqlite3_trace(pDb->db, 0, 0);
      }
#endif
    }
    break;
  }

  /*    $db trace_v2 ?CALLBACK? ?MASK?
  **
  ** Make arrangements to invoke the CALLBACK routine for each trace event
  ** matching the mask that is generated.  The parameters are appended to
  ** CALLBACK before it is executed.
  */
  case DB_TRACE_V2: {
    if( objc>4 ){
      Tcl_WrongNumArgs(interp, 2, objv, "?CALLBACK? ?MASK?");
      return TCL_ERROR;
    }else if( objc==2 ){
      if( pDb->zTraceV2 ){
        Tcl_AppendResult(interp, pDb->zTraceV2, (char*)0);
      }
    }else{
      Tcl_WideInt wMask;
      char *zTraceV2;
      int len;
      if( objc==4 ){
        if( TCL_OK!=Tcl_GetWideIntFromObj(interp, objv[3], &wMask) ){
          return TCL_ERROR;
        }
      }else{
        wMask = SQLITE_TRACE_STMT;
      }
      if( pDb->zTraceV2 ){
        Tcl_Free(pDb->zTraceV2);
      }
      zTraceV2 = Tcl_GetStringFromObj(objv[2], &len);
      if( zTraceV2 && len>0 ){
        pDb->zTraceV2 = Tcl_Alloc( len + 1 );
        memcpy(pDb->zTraceV2, zTraceV2, len+1);
      }else{
        pDb->zTraceV2 = 0;
      }
#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
      if( pDb->zTraceV2 ){
        pDb->interp = interp;
        sqlite3_trace_v2(pDb->db, (unsigned)wMask, DbTraceV2Handler, pDb);
      }else{
        sqlite3_trace_v2(pDb->db, 0, 0, 0);
      }
#endif
    }
    break;
  }

  /*    $db transaction [-deferred|-immediate|-exclusive] SCRIPT
  **
  ** Start a new transaction (if we are not already in the midst of a
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
      return TCL_ERROR;
    }
    pDb->nTransaction++;

    /* If using NRE, schedule a callback to invoke the script pScript, then
    ** a second callback to commit (or rollback) the transaction or savepoint
    ** opened above. If not using NRE, evaluate the script directly, then
    ** call function DbTransPostCmd() to commit (or rollback) the transaction 
    ** or savepoint.  */
    if( DbUseNre() ){
      Tcl_NRAddCallback(interp, DbTransPostCmd, cd, 0, 0, 0);
      (void)Tcl_NREvalObj(interp, pScript, 0);
    }else{
      rc = DbTransPostCmd(&cd, interp, Tcl_EvalObjEx(interp, pScript, 0));
    }







|







3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
      return TCL_ERROR;
    }
    pDb->nTransaction++;

    /* If using NRE, schedule a callback to invoke the script pScript, then
    ** a second callback to commit (or rollback) the transaction or savepoint
    ** opened above. If not using NRE, evaluate the script directly, then
    ** call function DbTransPostCmd() to commit (or rollback) the transaction
    ** or savepoint.  */
    if( DbUseNre() ){
      Tcl_NRAddCallback(interp, DbTransPostCmd, cd, 0, 0, 0);
      (void)Tcl_NREvalObj(interp, pScript, 0);
    }else{
      rc = DbTransPostCmd(&cd, interp, Tcl_EvalObjEx(interp, pScript, 0));
    }
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
      void (*xNotify)(void **, int) = 0;
      void *pNotifyArg = 0;

      if( pDb->pUnlockNotify ){
        Tcl_DecrRefCount(pDb->pUnlockNotify);
        pDb->pUnlockNotify = 0;
      }
  
      if( objc==3 ){
        xNotify = DbUnlockNotify;
        pNotifyArg = (void *)pDb;
        pDb->pUnlockNotify = objv[2];
        Tcl_IncrRefCount(pDb->pUnlockNotify);
      }
  
      if( sqlite3_unlock_notify(pDb->db, xNotify, pNotifyArg) ){
        Tcl_AppendResult(interp, sqlite3_errmsg(pDb->db), (char*)0);
        rc = TCL_ERROR;
      }
    }
#endif
    break;







|






|







3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
      void (*xNotify)(void **, int) = 0;
      void *pNotifyArg = 0;

      if( pDb->pUnlockNotify ){
        Tcl_DecrRefCount(pDb->pUnlockNotify);
        pDb->pUnlockNotify = 0;
      }

      if( objc==3 ){
        xNotify = DbUnlockNotify;
        pNotifyArg = (void *)pDb;
        pDb->pUnlockNotify = objv[2];
        Tcl_IncrRefCount(pDb->pUnlockNotify);
      }

      if( sqlite3_unlock_notify(pDb->db, xNotify, pNotifyArg) ){
        Tcl_AppendResult(interp, sqlite3_errmsg(pDb->db), (char*)0);
        rc = TCL_ERROR;
      }
    }
#endif
    break;
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
  }

  /*
  **    $db wal_hook ?script?
  **    $db update_hook ?script?
  **    $db rollback_hook ?script?
  */
  case DB_WAL_HOOK: 
  case DB_UPDATE_HOOK: 
  case DB_ROLLBACK_HOOK: {
    /* set ppHook to point at pUpdateHook or pRollbackHook, depending on 
    ** whether [$db update_hook] or [$db rollback_hook] was invoked.
    */
    Tcl_Obj **ppHook = 0; 
    if( choice==DB_WAL_HOOK ) ppHook = &pDb->pWalHook;
    if( choice==DB_UPDATE_HOOK ) ppHook = &pDb->pUpdateHook;
    if( choice==DB_ROLLBACK_HOOK ) ppHook = &pDb->pRollbackHook;
    if( objc>3 ){
       Tcl_WrongNumArgs(interp, 2, objv, "?SCRIPT?");
       return TCL_ERROR;
    }







|
|

|


|







3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
  }

  /*
  **    $db wal_hook ?script?
  **    $db update_hook ?script?
  **    $db rollback_hook ?script?
  */
  case DB_WAL_HOOK:
  case DB_UPDATE_HOOK:
  case DB_ROLLBACK_HOOK: {
    /* set ppHook to point at pUpdateHook or pRollbackHook, depending on
    ** whether [$db update_hook] or [$db rollback_hook] was invoked.
    */
    Tcl_Obj **ppHook = 0;
    if( choice==DB_WAL_HOOK ) ppHook = &pDb->pWalHook;
    if( choice==DB_UPDATE_HOOK ) ppHook = &pDb->pUpdateHook;
    if( choice==DB_ROLLBACK_HOOK ) ppHook = &pDb->pRollbackHook;
    if( objc>3 ){
       Tcl_WrongNumArgs(interp, 2, objv, "?SCRIPT?");
       return TCL_ERROR;
    }
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
      }
    }else{
      Tcl_AppendResult(interp, "unknown option: ", zArg, (char*)0);
      return TCL_ERROR;
    }
  }
  if( objc<3 || (objc&1)!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, 
      "HANDLE FILENAME ?-vfs VFSNAME? ?-readonly BOOLEAN? ?-create BOOLEAN?"
      " ?-nomutex BOOLEAN? ?-fullmutex BOOLEAN? ?-uri BOOLEAN?"
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
      " ?-key CODECKEY?"
#endif
    );
    return TCL_ERROR;







|







3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
      }
    }else{
      Tcl_AppendResult(interp, "unknown option: ", zArg, (char*)0);
      return TCL_ERROR;
    }
  }
  if( objc<3 || (objc&1)!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv,
      "HANDLE FILENAME ?-vfs VFSNAME? ?-readonly BOOLEAN? ?-create BOOLEAN?"
      " ?-nomutex BOOLEAN? ?-fullmutex BOOLEAN? ?-uri BOOLEAN?"
#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
      " ?-key CODECKEY?"
#endif
    );
    return TCL_ERROR;
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static 
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)







|







3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern 
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

        /* Compute number of bytes mod 64 */







|







3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

        /* Compute number of bytes mod 64 */
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.  
*/
static int md5_cmd(void*cd, Tcl_Interp *interp, int argc, const char **argv){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0], 
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;







|








|







3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.
*/
static int md5_cmd(void*cd, Tcl_Interp *interp, int argc, const char **argv){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
  FILE *in;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0], 
        " FILENAME\"", (char*)0);
    return TCL_ERROR;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1], 
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  for(;;){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf), in);







|





|







3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
  FILE *in;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " FILENAME\"", (char*)0);
    return TCL_ERROR;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1],
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  for(;;){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf), in);
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(sqlite3 *db){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0, 
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}
#endif /* defined(SQLITE_TEST) */









|







3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(sqlite3 *db){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0,
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}
#endif /* defined(SQLITE_TEST) */


3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
}
#endif /* SQLITE_TEST */

/*
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself, 
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
static void init_all(Tcl_Interp *interp){







|







3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
}
#endif /* SQLITE_TEST */

/*
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself,
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
static void init_all(Tcl_Interp *interp){