# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.

mode cockroach

# Regression test for https://github.com/MaterializeInc/database-issues/issues/8906

# The setup is based on https://github.com/MaterializeInc/RQG/blob/main/conf/mz/simple.sql

statement ok
DROP TABLE IF EXISTS t1 CASCADE;

statement ok
DROP TABLE IF EXISTS t2 CASCADE;

statement ok
DROP TABLE IF EXISTS t3 CASCADE;

statement ok
CREATE TABLE t1 (f1 DOUBLE PRECISION, f2 DOUBLE PRECISION NOT NULL);

statement ok
CREATE INDEX t1i1 ON t1(f1);

statement ok
CREATE INDEX t1i2 ON t1(f2, f1);

# one NULL row in t1

statement ok
INSERT INTO t1 VALUES (NULL, 0);

# values 1 and 2 have 2 rows each in t1

statement ok
INSERT INTO t1 VALUES (1, 1);

statement ok
INSERT INTO t1 VALUES (1, 1);

statement ok
INSERT INTO t1 VALUES (2, 2);

statement ok
INSERT INTO t1 VALUES (2, 2);

statement ok
INSERT INTO t1 VALUES (3, 3);

statement ok
INSERT INTO t1 VALUES (4, 4);

statement ok
INSERT INTO t1 VALUES (5, 5);

statement ok
INSERT INTO t1 VALUES (6, 6);

statement ok
INSERT INTO t1 VALUES (7, 7);

statement ok
INSERT INTO t1 VALUES (8, 8);

# value 9 not present in either table

statement ok
CREATE TABLE t2 (f1 DOUBLE PRECISION, f2 DOUBLE PRECISION NOT NULL);

statement ok
CREATE INDEX t2i1 ON t2(f1);

statement ok
CREATE INDEX i2i2 ON t2(f2, f1);

# two NULL rows in t2

statement ok
INSERT INTO t2 VALUES (NULL, 0);

statement ok
INSERT INTO t2 VALUES (NULL, 0);

statement ok
INSERT INTO t2 VALUES (1, 1);

# value 2 has 2 rows in t2

statement ok
INSERT INTO t2 VALUES (2, 2);

statement ok
INSERT INTO t2 VALUES (2, 2);

# value 3 has no rows in t2

statement ok
INSERT INTO t2 VALUES (4, 4);

statement ok
INSERT INTO t2 VALUES (5, 5);

statement ok
INSERT INTO t2 VALUES (6, 6);

statement ok
INSERT INTO t2 VALUES (7, 7);

statement ok
INSERT INTO t2 VALUES (8, 8);

# value 9 not present in either table

statement ok
CREATE TABLE t3 (f1 DOUBLE PRECISION, f2 DOUBLE PRECISION NOT NULL);

statement ok
CREATE MATERIALIZED VIEW pk1 AS SELECT DISTINCT ON (f1) f1 , f2 FROM t1 WHERE f1 IS NOT NULL AND f2 IS NOT NULL;

statement ok
CREATE MATERIALIZED VIEW pk2 AS SELECT DISTINCT ON (f1) f1 , f2 FROM t2 WHERE f1 IS NOT NULL AND f2 IS NOT NULL;

statement ok
CREATE MATERIALIZED VIEW pk3 AS SELECT DISTINCT ON (f1) f1 , f2 FROM t3 WHERE f1 IS NOT NULL AND f2 IS NOT NULL;

query RRRR
SELECT
    (
        SELECT inner2.f2
        FROM t1 AS inner1 RIGHT JOIN t2 AS inner2 ON (inner2.f2 + 1 = inner2.f2)
        WHERE outer2.f2 BETWEEN 0 AND 0 AND outer1.f2 = outer1.f1
        ORDER BY 1
        LIMIT 1
    ),
    (
        SELECT inner1.f1 + 1
        FROM t1 AS inner1 LEFT JOIN t2 AS inner2 ON (inner1.f2 + 1 BETWEEN inner2.f2 AND inner1.f2)
        WHERE outer1.f2 + 1 IS NULL AND inner2.f2 IS NULL
        ORDER BY 1
        LIMIT 1
    ),
    (
        SELECT inner1.f1 + 1
        FROM pk1 AS inner1, pk2 AS inner2
        WHERE inner2.f1 + 1 IS NOT NULL AND inner2.f2 IS NULL
        ORDER BY 1
        LIMIT 0
    ),
    (
        SELECT inner1.f1
        FROM t1 AS inner1 JOIN t2 AS inner2 ON (inner2.f2 + 1 BETWEEN 1 AND 1)
        WHERE inner2.f1 IS NOT NULL OR inner1.f1 IS NOT NULL
        ORDER BY 1
        LIMIT 1
    )
FROM
    t1 AS outer1
        JOIN
            (
                    SELECT DISTINCT inner1.f2 AS f1, inner1.f2 + 1 AS f2
                    FROM pk2 AS inner1, pk2 AS inner2
                    WHERE inner2.f1 IS NOT NULL
                )
                AS outer2
            ON (outer2.f1 BETWEEN 1 AND 8)
WHERE
    outer1.f2 BETWEEN outer1.f1 AND outer2.f2 + 1
        AND
    outer2.f2
    = (
            SELECT inner2.f2
            FROM t1 AS inner1 JOIN t2 AS inner2 ON (inner2.f1 BETWEEN inner1.f1 AND 1)
            WHERE inner2.f1 + 1 IS NOT NULL AND outer2.f1 + 1 IS NULL
            ORDER BY 1
            LIMIT 0
        )
        AND
    outer1.f1 + 1
    = (
            SELECT inner1.f2 FROM t1 AS inner1, pk1 AS inner2 WHERE outer2.f2 > outer2.f1 + 1
            ORDER BY 1
            LIMIT 1
        )
        AND
    outer2.f2 + 1
    = (
            SELECT inner1.f1 + 1
            FROM t1 AS inner1 LEFT JOIN t2 AS inner2 ON (inner1.f2 IS NULL)
            WHERE inner1.f2 + 1 BETWEEN 1 AND outer2.f2
            ORDER BY 1
            LIMIT 1
        )
        AND
    NOT
    EXISTS (
        SELECT DISTINCT inner2.f1
        FROM t1 AS inner1 LEFT JOIN t2 AS inner2 ON (inner1.f2 BETWEEN inner1.f2 AND 1)
        WHERE inner1.f2 + 1 BETWEEN 8 AND inner1.f1 AND outer1.f2 BETWEEN 9 AND 1
    )
        OR
    outer2.f2 + 1 = outer1.f2 + 1;
----
NULL  NULL  NULL  1
NULL  NULL  NULL  1
NULL  NULL  NULL  1
NULL  NULL  NULL  1
NULL  NULL  NULL  1
NULL  NULL  NULL  1
NULL  NULL  NULL  1