From bdf5cc7bdd5ec93dc928d81e286f7b1e678ba19d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 13 Sep 2023 11:17:40 +0200
Subject: Merging upstream version 18.4.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/fixtures/identity.sql                   |  1 +
 tests/fixtures/optimizer/merge_subqueries.sql | 15 +++++++++++
 tests/fixtures/optimizer/optimizer.sql        | 36 +++++++++++++++++++++++++++
 3 files changed, 52 insertions(+)

(limited to 'tests/fixtures')

diff --git a/tests/fixtures/identity.sql b/tests/fixtures/identity.sql
index 0953fee..f999620 100644
--- a/tests/fixtures/identity.sql
+++ b/tests/fixtures/identity.sql
@@ -717,6 +717,7 @@ UPDATE tbl_name SET foo = 123, bar = 345
 UPDATE db.tbl_name SET foo = 123 WHERE tbl_name.bar = 234
 UPDATE db.tbl_name SET foo = 123, foo_1 = 234 WHERE tbl_name.bar = 234
 UPDATE products SET price = price * 1.10 WHERE price <= 99.99 RETURNING name, price AS new_price
+UPDATE t1 AS a, t2 AS b, t3 AS c LEFT JOIN t4 AS d ON c.id = d.id SET a.id = 1
 TRUNCATE TABLE x
 OPTIMIZE TABLE y
 VACUUM FREEZE my_table
diff --git a/tests/fixtures/optimizer/merge_subqueries.sql b/tests/fixtures/optimizer/merge_subqueries.sql
index b89e2fb..eec8a73 100644
--- a/tests/fixtures/optimizer/merge_subqueries.sql
+++ b/tests/fixtures/optimizer/merge_subqueries.sql
@@ -310,6 +310,21 @@ FROM
   t1;
 SELECT x.a AS a, x.b AS b, ROW_NUMBER() OVER (PARTITION BY x.a ORDER BY x.a) AS row_num FROM x AS x;
 
+# title: Don't merge window functions, inner table is aliased in outer query
+with t1 as (
+  SELECT
+    ROW_NUMBER() OVER (PARTITION BY x.a ORDER BY x.a) as row_num
+  FROM
+    x
+)
+SELECT
+  t2.row_num
+FROM
+  t1 AS t2
+WHERE
+  t2.row_num = 2;
+WITH t1 AS (SELECT ROW_NUMBER() OVER (PARTITION BY x.a ORDER BY x.a) AS row_num FROM x AS x) SELECT t2.row_num AS row_num FROM t1 AS t2 WHERE t2.row_num = 2;
+
 # title: Values Test
 # dialect: spark
 WITH t1 AS (
diff --git a/tests/fixtures/optimizer/optimizer.sql b/tests/fixtures/optimizer/optimizer.sql
index 18ee804..4a994c1 100644
--- a/tests/fixtures/optimizer/optimizer.sql
+++ b/tests/fixtures/optimizer/optimizer.sql
@@ -987,3 +987,39 @@ SELECT
 FROM "SALES" AS "SALES"
 WHERE
   "SALES"."INSERT_TS" > '2023-08-07 21:03:35.590 -0700';
+
+# title: using join without select *
+# execute: false
+with
+    alias1 as (select * from table1),
+    alias2 as (select * from table2),
+    alias3 as (
+        select
+            cid,
+            min(od) as m_od,
+            count(odi) as c_od,
+        from alias2
+        group by 1
+    )
+select
+    alias1.cid,
+    alias3.m_od,
+    coalesce(alias3.c_od, 0) as c_od,
+from alias1
+left join alias3 using (cid);
+WITH "alias3" AS (
+  SELECT
+    "table2"."cid" AS "cid",
+    MIN("table2"."od") AS "m_od",
+    COUNT("table2"."odi") AS "c_od"
+  FROM "table2" AS "table2"
+  GROUP BY
+    "table2"."cid"
+)
+SELECT
+  "table1"."cid" AS "cid",
+  "alias3"."m_od" AS "m_od",
+  COALESCE("alias3"."c_od", 0) AS "c_od"
+FROM "table1" AS "table1"
+LEFT JOIN "alias3"
+  ON "table1"."cid" = "alias3"."cid";
-- 
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