Bug Report: Insert on duplicate key update failing with missing bind var

[harshit-gangal]

Overview of the Issue

For a sharded insert query having on duplicate key update, if there is a list argument. It fails the query with missing bind var error from vttablet.

Reproduction Steps

take any sharded database and run a query having list argument in on duplicate key update
e.g.
insert into user(name, col) values ('a', 2) on duplicate key update col = if(col in (1, 2), values(col), col)

Binary Version

v18, v19, main

Operating System and Environment details

NA

Log Fragments

No response