Expr *sqlite3Expr(
  sqlite3 *db,            /* Handle for sqlite3DbMallocZero() (may be null) */
  int op,                 /* Expression opcode */
  const char *zToken      /* Token argument.  Might be NULL */
){
  Token x;
  x.z = zToken;
  x.n = sqlite3Strlen30(zToken);
  return sqlite3ExprAlloc(db, op, &x, 0);
}
Unknown