sql: unable to vectorize: "#": syntax error

[maddyblue]

CREATE TABLE IF NOT EXISTS tab_orig AS
	SELECT
		g AS _float8,
		g % 0 = 0 AS _bool,
		g AS _decimal,
		g AS _string,
		g AS _bytes
	FROM
		generate_series(NULL, NULL) AS g;

EXPLAIN (VEC)
	SELECT
		tab_1688._bytes,
		tab_1688._float8,
		tab_1689._string,
		tab_1689._string,
		tab_1688._float8,
		tab_1688._float8,
		tab_1689._bool,
		tab_1690._decimal
	FROM
		tab_orig AS tab_1688
		JOIN tab_orig AS tab_1689
			JOIN tab_orig AS tab_1690 ON
					tab_1689._bool = tab_1690._bool ON
				tab_1688._float8 = tab_1690._float8
				AND tab_1688._bool = tab_1689._bool;

pq: unable to vectorize execution plan: at or near "#": syntax error

This seems a bit odd because there's no # anywhere in the query.

[yuzefovich]

The symbol # is added when remapping the indexed variables for ON expressions with vectorized. I'll look into this failure, thanks for finding!