ERROR: wrong varnullingrels (b 5 7) (expected (b)) for Var 3/3

From: tender wang <tndrwang(at)gmail(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: ERROR: wrong varnullingrels (b 5 7) (expected (b)) for Var 3/3
Date: 2023-05-19 01:42:35
Message-ID: CAHewXNnu7u1aT==WjnCRa+SzKb6s80hvwPP_9eMvvvtdyFdqjw@mail.gmail.com
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Hi hackers,
I found $subject problem when using SQLancer.

How to repeat:
CREATE TEMP TABLE t0(c0 inet, c1 money, c2 TEXT);
CREATE TEMP TABLE IF NOT EXISTS t1(LIKE t0); CREATE TEMP TABLE t2(c0
boolean , c1 DECIMAL NOT NULL UNIQUE); CREATE TEMPORARY TABLE t3(LIKE t1);
CREATE VIEW v0(c0) AS (SELECT DISTINCT 0 FROM t3); SELECT SUM(count) FROM
(SELECT
(((t1.c2)LIKE(((((t0.c2)||(((103556691)-(v0.c0)))))||(v0.c0)))))::INT as
count FROM t0, ONLY t1 RIGHT OUTER JOIN ONLY t2 ON t2.c0 RIGHT OUTER JOIN
v0 ON ((t2.c1)=(0.08182310538090898))) as res;

psql (16devel)
Type "help" for help.

postgres=# \d
Did not find any relations.
postgres=# CREATE TEMP TABLE t0(c0 inet, c1 money, c2 TEXT);
CREATE TABLE
postgres=# CREATE TEMP TABLE IF NOT EXISTS t1(LIKE t0);
CREATE TABLE
postgres=# CREATE TEMP TABLE t2(c0 boolean , c1 DECIMAL NOT NULL UNIQUE);
CREATE TABLE
postgres=# CREATE TEMPORARY TABLE t3(LIKE t1);
CREATE TABLE
postgres=# CREATE VIEW v0(c0) AS (SELECT DISTINCT 0 FROM t3);
NOTICE: view "v0" will be a temporary view
CREATE VIEW
postgres=# SELECT SUM(count) FROM (SELECT
(((t1.c2)LIKE(((((t0.c2)||(((103556691)-(v0.c0)))))||(v0.c0)))))::INT as
count FROM t0, ONLY t1 RIGHT OUTER JOIN ONLY t2 ON t2.c0 RIGHT OUTER JOIN
v0 ON ((t2.c1)=(0.08182310538090898))) as res;
ERROR: wrong varnullingrels (b 5 7) (expected (b)) for Var 3/3

regards, tender wang

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