static void fts3DbExec(
  int *pRc,              /* Success code */
  sqlite3 *db,           /* Database in which to run SQL */
  const char *zFormat,   /* Format string for SQL */
  ...                    /* Arguments to the format string */
){
  va_list ap;
  char *zSql;
  if( *pRc ) return;
  va_start(ap, zFormat);
  zSql = sqlite3_vmprintf(zFormat, ap);
  va_end(ap);
  if( zSql==0 ){
    *pRc = SQLITE_NOMEM;
  }else{
    *pRc = sqlite3_exec(db, zSql, 0, 0, 0);
    sqlite3_free(zSql);
  }
}
Unknown