C++ (Cpp) sqlite3VdbeMemMove示例

示例#1

文件： vdbeapi.c 项目： Farteen/firefox-ios

/*
** Transfer all bindings from the first statement over to the second.
*/
int sqlite3TransferBindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){
  Vdbe *pFrom = (Vdbe*)pFromStmt;
  Vdbe *pTo = (Vdbe*)pToStmt;
  int i;
  assert( pTo->db==pFrom->db );
  assert( pTo->nVar==pFrom->nVar );
  sqlite3_mutex_enter(pTo->db->mutex);
  for(i=0; i<pFrom->nVar; i++){
    sqlite3VdbeMemMove(&pTo->aVar[i], &pFrom->aVar[i]);
  }
  sqlite3_mutex_leave(pTo->db->mutex);
  return SQLITE_OK;
}

示例#2

文件： vdbeapi.c 项目： ANNotunzdY/BathyScaphe

/*
** Transfer all bindings from the first statement over to the second.
** If the two statements contain a different number of bindings, then
** an SQLITE_ERROR is returned.
*/
int sqlite3_transfer_bindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){
  Vdbe *pFrom = (Vdbe*)pFromStmt;
  Vdbe *pTo = (Vdbe*)pToStmt;
  int i, rc = SQLITE_OK;
  if( (pFrom->magic!=VDBE_MAGIC_RUN && pFrom->magic!=VDBE_MAGIC_HALT)
    || (pTo->magic!=VDBE_MAGIC_RUN && pTo->magic!=VDBE_MAGIC_HALT) ){
    return SQLITE_MISUSE;
  }
  if( pFrom->nVar!=pTo->nVar ){
    return SQLITE_ERROR;
  }
  for(i=0; rc==SQLITE_OK && i<pFrom->nVar; i++){
    rc = sqlite3VdbeMemMove(&pTo->aVar[i], &pFrom->aVar[i]);
  }
  return rc;
}

示例#3

文件： vdbeapi.c 项目： shenjian74/Bitcoin-History

/*
** Transfer all bindings from the first statement over to the second.
** If the two statements contain a different number of bindings, then
** an SQLITE_ERROR is returned.
*/
int sqlite3TransferBindings(sqlite3_stmt *pFromStmt, sqlite3_stmt *pToStmt){
  Vdbe *pFrom = (Vdbe*)pFromStmt;
  Vdbe *pTo = (Vdbe*)pToStmt;
  int i, rc = SQLITE_OK;
  if( (pFrom->magic!=VDBE_MAGIC_RUN && pFrom->magic!=VDBE_MAGIC_HALT)
    || (pTo->magic!=VDBE_MAGIC_RUN && pTo->magic!=VDBE_MAGIC_HALT)
    || pTo->db!=pFrom->db ){
    return SQLITE_MISUSE;
  }
  if( pFrom->nVar!=pTo->nVar ){
    return SQLITE_ERROR;
  }
  sqlite3_mutex_enter(pTo->db->mutex);
  for(i=0; rc==SQLITE_OK && i<pFrom->nVar; i++){
    sqlite3VdbeMemMove(&pTo->aVar[i], &pFrom->aVar[i]);
  }
  sqlite3_mutex_leave(pTo->db->mutex);
  assert( rc==SQLITE_OK || rc==SQLITE_NOMEM );
  return rc;
}