Merging upstream version 6.2.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 318 insertions, 229 deletions

diff --git a/tests/fixtures/identity.sql b/tests/fixtures/identity.sql
index 1b4168c..2654be1 100644
--- a/tests/fixtures/identity.sql
+++ b/tests/fixtures/identity.sql
@@ -8,6 +8,7 @@ SUM(CASE WHEN x > 1 THEN 1 ELSE 0 END) / y
 1.1E10
 1.12e-10
 -11.023E7 * 3
+0.2
 (1 * 2) / (3 - 5)
 ((TRUE))
 ''
@@ -167,7 +168,7 @@ SELECT LEAD(a) OVER (ORDER BY b) AS a
 SELECT LEAD(a, 1) OVER (PARTITION BY a ORDER BY a) AS x
 SELECT LEAD(a, 1, b) OVER (PARTITION BY a ORDER BY a) AS x
 SELECT X((a, b) -> a + b, z -> z) AS x
-SELECT X(a -> "a" + ("z" - 1))
+SELECT X(a -> a + ("z" - 1))
 SELECT EXISTS(ARRAY(2, 3), x -> x % 2 = 0)
 SELECT test.* FROM test
 SELECT a AS b FROM test
@@ -258,15 +259,24 @@ SELECT a FROM test TABLESAMPLE(100)
 SELECT a FROM test TABLESAMPLE(100 ROWS)
 SELECT a FROM test TABLESAMPLE BERNOULLI (50)
 SELECT a FROM test TABLESAMPLE SYSTEM (75)
+SELECT a FROM test PIVOT(SUM(x) FOR y IN ('z', 'q'))
+SELECT a FROM test PIVOT(SOMEAGG(x, y, z) FOR q IN (1))
+SELECT a FROM test PIVOT(SUM(x) FOR y IN ('z', 'q')) PIVOT(MAX(b) FOR c IN ('d'))
+SELECT a FROM (SELECT a, b FROM test) PIVOT(SUM(x) FOR y IN ('z', 'q'))
+SELECT a FROM test UNPIVOT(x FOR y IN (z, q)) AS x
+SELECT a FROM test PIVOT(SUM(x) FOR y IN ('z', 'q')) AS x TABLESAMPLE(0.1)
+SELECT a FROM test PIVOT(SUM(x) FOR y IN ('z', 'q')) UNPIVOT(x FOR y IN (z, q)) AS x
 SELECT ABS(a) FROM test
 SELECT AVG(a) FROM test
 SELECT CEIL(a) FROM test
+SELECT CEIL(a, b) FROM test
 SELECT COUNT(a) FROM test
 SELECT COUNT(1) FROM test
 SELECT COUNT(*) FROM test
 SELECT COUNT(DISTINCT a) FROM test
 SELECT EXP(a) FROM test
 SELECT FLOOR(a) FROM test
+SELECT FLOOR(a, b) FROM test
 SELECT FIRST(a) FROM test
 SELECT GREATEST(a, b, c) FROM test
 SELECT LAST(a) FROM test
@@ -299,6 +309,7 @@ SELECT CAST(a AS MAP<INT, INT>) FROM test
 SELECT CAST(a AS TIMESTAMP) FROM test
 SELECT CAST(a AS DATE) FROM test
 SELECT CAST(a AS ARRAY<INT>) FROM test
+SELECT CAST(a AS VARIANT) FROM test
 SELECT TRY_CAST(a AS INT) FROM test
 SELECT COALESCE(a, b, c) FROM test
 SELECT IFNULL(a, b) FROM test
@@ -442,13 +453,10 @@ CREATE TABLE z (a INT(11) DEFAULT NULL COMMENT '客户id')
 CREATE TABLE z (a INT(11) NOT NULL DEFAULT 1)
 CREATE TABLE z (a INT(11) NOT NULL COLLATE utf8_bin AUTO_INCREMENT)
 CREATE TABLE z (a INT, PRIMARY KEY(a))
-CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'
-CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'
-CREATE TABLE z (a INT DEFAULT NULL, PRIMARY KEY(a)) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'
 CREATE TABLE z WITH (FORMAT='parquet') AS SELECT 1
-CREATE TABLE z WITH (FORMAT='ORC', x = '2') AS SELECT 1
+CREATE TABLE z WITH (FORMAT='ORC', x='2') AS SELECT 1
 CREATE TABLE z WITH (TABLE_FORMAT='iceberg', FORMAT='parquet') AS SELECT 1
-CREATE TABLE z WITH (TABLE_FORMAT='iceberg', FORMAT='ORC', x = '2') AS SELECT 1
+CREATE TABLE z WITH (TABLE_FORMAT='iceberg', FORMAT='ORC', x='2') AS SELECT 1
 CREATE TABLE z (z INT) WITH (PARTITIONED_BY=(x INT, y INT))
 CREATE TABLE z (z INT) WITH (PARTITIONED_BY=(x INT)) AS SELECT 1
 CREATE TABLE z AS (WITH cte AS (SELECT 1) SELECT * FROM cte)
@@ -460,6 +468,9 @@ CREATE TEMPORARY FUNCTION f
 CREATE TEMPORARY FUNCTION f AS 'g'
 CREATE FUNCTION f
 CREATE FUNCTION f AS 'g'
+CREATE FUNCTION a(b INT, c VARCHAR) AS 'SELECT 1'
+CREATE FUNCTION a() LANGUAGE sql
+CREATE FUNCTION a() LANGUAGE sql RETURNS INT
 CREATE INDEX abc ON t (a)
 CREATE INDEX abc ON t (a, b, b)
 CREATE UNIQUE INDEX abc ON t (a, b, b)
@@ -519,3 +530,4 @@ WITH a AS ((SELECT b.foo AS foo, b.bar AS bar FROM b) UNION ALL (SELECT c.foo AS
 WITH a AS ((SELECT 1 AS b) UNION ALL (SELECT 1 AS b)) SELECT * FROM a
 SELECT (WITH x AS (SELECT 1 AS y) SELECT * FROM x) AS z
 SELECT ((SELECT 1) + 1)
+SELECT * FROM project.dataset.INFORMATION_SCHEMA.TABLES
diff --git a/tests/fixtures/optimizer/eliminate_subqueries.sql b/tests/fixtures/optimizer/eliminate_subqueries.sql
index aae5f2a..f395c0a 100644
--- a/tests/fixtures/optimizer/eliminate_subqueries.sql
+++ b/tests/fixtures/optimizer/eliminate_subqueries.sql
@@ -1,42 +1,79 @@
-SELECT 1 AS x, 2 AS y
-UNION ALL
-SELECT 1 AS x, 2 AS y;
-WITH _e_0 AS (
-  SELECT
-    1 AS x,
-    2 AS y
-)
-SELECT
-  *
-FROM _e_0
-UNION ALL
-SELECT
-  *
-FROM _e_0;
-
-SELECT x.id
-FROM (
-    SELECT *
-    FROM x AS x
-    JOIN y AS y
-      ON x.id = y.id
-) AS x
-JOIN (
-    SELECT *
-    FROM x AS x
-    JOIN y AS y
-      ON x.id = y.id
-) AS y
-ON x.id = y.id;
-WITH _e_0 AS (
-  SELECT
-    *
-  FROM x AS x
-  JOIN y AS y
-    ON x.id = y.id
-)
-SELECT
-  x.id
-FROM "_e_0" AS x
-JOIN "_e_0" AS y
-  ON x.id = y.id;
+-- No derived tables
+SELECT * FROM x;
+SELECT * FROM x;
+
+-- Unaliased derived tables
+SELECT a FROM (SELECT b FROM (SELECT c FROM x));
+WITH cte AS (SELECT c FROM x), cte_2 AS (SELECT b FROM cte AS cte) SELECT a FROM cte_2 AS cte_2;
+
+-- Joined derived table inside nested derived table
+SELECT b FROM (SELECT b FROM (SELECT b FROM x JOIN (SELECT b FROM y) AS y ON x.b = y.b));
+WITH y_2 AS (SELECT b FROM y), cte AS (SELECT b FROM x JOIN y_2 AS y ON x.b = y.b), cte_2 AS (SELECT b FROM cte AS cte) SELECT b FROM cte_2 AS cte_2;
+
+-- Aliased derived tables
+SELECT a FROM (SELECT b FROM (SELECT c FROM x) AS y) AS z;
+WITH y AS (SELECT c FROM x), z AS (SELECT b FROM y AS y) SELECT a FROM z AS z;
+
+-- Existing CTEs
+WITH q AS (SELECT c FROM x) SELECT a FROM (SELECT b FROM q AS y) AS z;
+WITH q AS (SELECT c FROM x), z AS (SELECT b FROM q AS y) SELECT a FROM z AS z;
+
+-- Derived table inside CTE
+WITH x AS (SELECT a FROM (SELECT a FROM x) AS y) SELECT a FROM x;
+WITH y AS (SELECT a FROM x), x AS (SELECT a FROM y AS y) SELECT a FROM x;
+
+-- Name conflicts with existing outer derived table
+SELECT a FROM (SELECT b FROM (SELECT c FROM x) AS y) AS y;
+WITH y AS (SELECT c FROM x), y_2 AS (SELECT b FROM y AS y) SELECT a FROM y_2 AS y;
+
+-- Name conflicts with outer join
+SELECT a, b FROM (SELECT c FROM (SELECT d FROM x) AS x) AS y JOIN x ON x.a = y.a;
+WITH x_2 AS (SELECT d FROM x), y AS (SELECT c FROM x_2 AS x) SELECT a, b FROM y AS y JOIN x ON x.a = y.a;
+
+-- Name conflicts with table name that is selected in another branch
+SELECT * FROM (SELECT * FROM (SELECT a FROM x) AS x) AS y JOIN (SELECT * FROM x) AS z ON x.a = y.a;
+WITH x_2 AS (SELECT a FROM x), y AS (SELECT * FROM x_2 AS x), z AS (SELECT * FROM x) SELECT * FROM y AS y JOIN z AS z ON x.a = y.a;
+
+-- Name conflicts with table alias
+SELECT a FROM (SELECT a FROM (SELECT a FROM x) AS y) AS z JOIN q AS y;
+WITH y AS (SELECT a FROM x), z AS (SELECT a FROM y AS y) SELECT a FROM z AS z JOIN q AS y;
+
+-- Name conflicts with existing CTE
+WITH y AS (SELECT a FROM (SELECT a FROM x) AS y) SELECT a FROM y;
+WITH y_2 AS (SELECT a FROM x), y AS (SELECT a FROM y_2 AS y) SELECT a FROM y;
+
+-- Union
+SELECT 1 AS x, 2 AS y UNION ALL SELECT 1 AS x, 2 AS y;
+WITH cte AS (SELECT 1 AS x, 2 AS y) SELECT cte.x AS x, cte.y AS y FROM cte AS cte UNION ALL SELECT cte.x AS x, cte.y AS y FROM cte AS cte;
+
+-- Union of selects with derived tables
+(SELECT a FROM (SELECT b FROM x)) UNION (SELECT a FROM (SELECT b FROM y));
+WITH cte AS (SELECT b FROM x), cte_2 AS (SELECT a FROM cte AS cte), cte_3 AS (SELECT b FROM y), cte_4 AS (SELECT a FROM cte_3 AS cte_3) (SELECT cte_2.a AS a FROM cte_2 AS cte_2) UNION (SELECT cte_4.a AS a FROM cte_4 AS cte_4);
+
+-- Subquery
+SELECT a FROM x WHERE b = (SELECT y.c FROM y);
+SELECT a FROM x WHERE b = (SELECT y.c FROM y);
+
+-- Correlated subquery
+SELECT a FROM x WHERE b = (SELECT c FROM y WHERE y.a = x.a);
+SELECT a FROM x WHERE b = (SELECT c FROM y WHERE y.a = x.a);
+
+-- Duplicate CTE
+SELECT a FROM (SELECT b FROM x) AS y JOIN (SELECT b FROM x) AS z;
+WITH y AS (SELECT b FROM x) SELECT a FROM y AS y JOIN y AS z;
+
+-- Doubly duplicate CTE
+SELECT * FROM (SELECT * FROM x JOIN (SELECT * FROM x) AS y) AS z JOIN (SELECT * FROM x JOIN (SELECT * FROM x) AS y) AS q;
+WITH y AS (SELECT * FROM x), z AS (SELECT * FROM x JOIN y AS y) SELECT * FROM z AS z JOIN z AS q;
+
+-- Another duplicate...
+SELECT x.id FROM (SELECT * FROM x AS x JOIN y AS y ON x.id = y.id) AS x JOIN (SELECT * FROM x AS x JOIN y AS y ON x.id = y.id) AS y ON x.id = y.id;
+WITH x_2 AS (SELECT * FROM x AS x JOIN y AS y ON x.id = y.id) SELECT x.id FROM x_2 AS x JOIN x_2 AS y ON x.id = y.id;
+
+-- Root subquery
+(SELECT * FROM (SELECT * FROM x)) LIMIT 1;
+(WITH cte AS (SELECT * FROM x) SELECT * FROM cte AS cte) LIMIT 1;
+
+-- Existing duplicate CTE
+WITH y AS (SELECT a FROM x) SELECT a FROM (SELECT a FROM x) AS y JOIN y AS z;
+WITH y AS (SELECT a FROM x) SELECT a FROM y AS y JOIN y AS z;
diff --git a/tests/fixtures/optimizer/merge_derived_tables.sql b/tests/fixtures/optimizer/merge_subqueries.sql
index c5aa7e9..35aed3b 100644
--- a/tests/fixtures/optimizer/merge_derived_tables.sql
+++ b/tests/fixtures/optimizer/merge_subqueries.sql
@@ -18,6 +18,14 @@ SELECT x.a AS a, SUM(x.b) AS "_col_1" FROM x AS x WHERE x.a > 1 GROUP BY x.a;
 SELECT a, c FROM (SELECT a, b FROM x WHERE a > 1) AS x JOIN y ON x.b = y.b;
 SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y ON x.b = y.b WHERE x.a > 1;
 
+-- Outer query has join
+SELECT a, c FROM (SELECT a, b FROM x WHERE a > 1) AS x JOIN y ON x.b = y.b;
+SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y ON x.b = y.b WHERE x.a > 1;
+
+# leave_tables_isolated: true
+SELECT a, c FROM (SELECT a, b FROM x WHERE a > 1) AS x JOIN y ON x.b = y.b;
+SELECT x.a AS a, y.c AS c FROM (SELECT x.a AS a, x.b AS b FROM x AS x WHERE x.a > 1) AS x JOIN y AS y ON x.b = y.b;
+
 -- Join on derived table
 SELECT a, c FROM x JOIN (SELECT b, c FROM y) AS y ON x.b = y.b;
 SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y ON x.b = y.b;
@@ -42,13 +50,9 @@ SELECT q_2.a AS a, q.c AS c, r.c AS c FROM x AS q_2 JOIN y AS r_2 ON q_2.b = r_2
 SELECT r.b FROM (SELECT b FROM x AS x) AS q JOIN (SELECT b FROM x) AS r ON q.b = r.b;
 SELECT x_2.b AS b FROM x AS x JOIN x AS x_2 ON x.b = x_2.b;
 
--- WHERE clause in joined derived table is merged
+-- WHERE clause in joined derived table is merged to ON clause
 SELECT x.a, y.c FROM x JOIN (SELECT b, c FROM y WHERE c > 1) AS y;
-SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y WHERE y.c > 1;
-
--- WHERE clause in outer joined derived table is merged to ON clause
-SELECT x.a, y.c FROM x LEFT JOIN (SELECT b, c FROM y WHERE c > 1) AS y;
-SELECT x.a AS a, y.c AS c FROM x AS x LEFT JOIN y AS y ON y.c > 1;
+SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y ON y.c > 1;
 
 -- Comma JOIN in outer query
 SELECT x.a, y.c FROM (SELECT a FROM x) AS x, (SELECT c FROM y) AS y;
@@ -61,3 +65,35 @@ SELECT x.a AS a, z.c AS c FROM x AS x CROSS JOIN y AS z;
 -- (Regression) Column in ORDER BY
 SELECT * FROM (SELECT * FROM (SELECT * FROM x)) ORDER BY a LIMIT 1;
 SELECT x.a AS a, x.b AS b FROM x AS x ORDER BY x.a LIMIT 1;
+
+-- CTE
+WITH x AS (SELECT a, b FROM x) SELECT a, b FROM x;
+SELECT x.a AS a, x.b AS b FROM x AS x;
+
+-- CTE with outer table alias
+WITH y AS (SELECT a, b FROM x) SELECT a, b FROM y AS z;
+SELECT x.a AS a, x.b AS b FROM x AS x;
+
+-- Nested CTE
+WITH x AS (SELECT a FROM x), x2 AS (SELECT a FROM x) SELECT a FROM x2;
+SELECT x.a AS a FROM x AS x;
+
+-- CTE WHERE clause is merged
+WITH x AS (SELECT a, b FROM x WHERE a > 1) SELECT a, SUM(b) FROM x GROUP BY a;
+SELECT x.a AS a, SUM(x.b) AS "_col_1" FROM x AS x WHERE x.a > 1 GROUP BY x.a;
+
+-- CTE Outer query has join
+WITH x AS (SELECT a, b FROM x WHERE a > 1) SELECT a, c FROM x AS x JOIN y ON x.b = y.b;
+SELECT x.a AS a, y.c AS c FROM x AS x JOIN y AS y ON x.b = y.b WHERE x.a > 1;
+
+-- CTE with inner table alias
+WITH y AS (SELECT a, b FROM x AS q) SELECT a, b FROM y AS z;
+SELECT q.a AS a, q.b AS b FROM x AS q;
+
+-- Duplicate queries to CTE
+WITH x AS (SELECT a, b FROM x) SELECT x.a, y.b FROM x JOIN x AS y;
+WITH x AS (SELECT x.a AS a, x.b AS b FROM x AS x) SELECT x.a AS a, y.b AS b FROM x JOIN x AS y;
+
+-- Nested CTE
+SELECT * FROM (WITH x AS (SELECT a, b FROM x) SELECT a, b FROM x);
+SELECT x.a AS a, x.b AS b FROM x AS x;
diff --git a/tests/fixtures/optimizer/optimizer.sql b/tests/fixtures/optimizer/optimizer.sql
index f1d0f7d..0bb742b 100644
--- a/tests/fixtures/optimizer/optimizer.sql
+++ b/tests/fixtures/optimizer/optimizer.sql
@@ -65,18 +65,14 @@ WITH "cte1" AS (
   SELECT
     "x"."a" AS "a"
   FROM "x" AS "x"
-), "cte2" AS (
-  SELECT
-    "cte1"."a" + 1 AS "a"
-  FROM "cte1"
 )
 SELECT
   "cte1"."a" AS "a"
 FROM "cte1"
 UNION ALL
 SELECT
-  "cte2"."a" AS "a"
-FROM "cte2";
+  "cte1"."a" + 1 AS "a"
+FROM "cte1";
 
 SELECT a, SUM(b)
 FROM (
@@ -86,18 +82,19 @@ FROM (
 ) d
 WHERE (TRUE AND TRUE OR 'a' = 'b') AND a > 1
 GROUP BY a;
-SELECT
-  "x"."a" AS "a",
-  SUM("y"."b") AS "_col_1"
-FROM "x" AS "x"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     MAX("y"."b") AS "_col_0",
     "y"."a" AS "_u_1"
   FROM "y" AS "y"
   GROUP BY
     "y"."a"
-) AS "_u_0"
+)
+SELECT
+  "x"."a" AS "a",
+  SUM("y"."b") AS "_col_1"
+FROM "x" AS "x"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "x"."a" = "_u_0"."_u_1"
 JOIN "y" AS "y"
   ON "x"."a" = "y"."a"
@@ -127,3 +124,16 @@ LIMIT 1;
   FROM "y" AS "y"
 )
 LIMIT 1;
+
+# dialect: spark
+SELECT /*+ BROADCAST(y) */ x.b FROM x JOIN y ON x.b = y.b;
+SELECT /*+ BROADCAST(`y`) */
+  `x`.`b` AS `b`
+FROM `x` AS `x`
+JOIN `y` AS `y`
+  ON `x`.`b` = `y`.`b`;
+
+SELECT AGGREGATE(ARRAY(x.a, x.b), 0, (x, acc) -> x + acc + a) AS sum_agg FROM x;
+SELECT
+  AGGREGATE(ARRAY("x"."a", "x"."b"), 0, ("x", "acc") -> "x" + "acc" + "x"."a") AS "sum_agg"
+FROM "x" AS "x";
diff --git a/tests/fixtures/optimizer/qualify_columns.sql b/tests/fixtures/optimizer/qualify_columns.sql
index 004c57c..f848e7a 100644
--- a/tests/fixtures/optimizer/qualify_columns.sql
+++ b/tests/fixtures/optimizer/qualify_columns.sql
@@ -69,6 +69,9 @@ SELECT ROW_NUMBER() OVER (PARTITION BY x.a ORDER BY x.b) AS row_num FROM x AS x
 SELECT x.b, x.a FROM x LEFT JOIN y ON x.b = y.b QUALIFY ROW_NUMBER() OVER(PARTITION BY x.b ORDER BY x.a DESC) = 1;
 SELECT x.b AS b, x.a AS a FROM x AS x LEFT JOIN y AS y ON x.b = y.b QUALIFY ROW_NUMBER() OVER (PARTITION BY x.b ORDER BY x.a DESC) = 1;
 
+SELECT AGGREGATE(ARRAY(a, x.b), 0, (x, acc) -> x + acc + a) AS sum_agg FROM x;
+SELECT AGGREGATE(ARRAY(x.a, x.b), 0, (x, acc) -> x + acc + x.a) AS sum_agg FROM x AS x;
+
 --------------------------------------
 -- Derived tables
 --------------------------------------
@@ -231,3 +234,10 @@ SELECT COALESCE(x.b, y.b) AS b FROM x AS x JOIN y AS y ON x.b = y.b WHERE COALES
 
 SELECT b FROM x JOIN y USING (b) JOIN z USING (b);
 SELECT COALESCE(x.b, y.b, z.b) AS b FROM x AS x JOIN y AS y ON x.b = y.b JOIN z AS z ON x.b = z.b;
+
+--------------------------------------
+-- Hint with table reference
+--------------------------------------
+# dialect: spark
+SELECT /*+ BROADCAST(y) */ x.b FROM x JOIN y ON x.b = y.b;
+SELECT /*+ BROADCAST(y) */ x.b AS b FROM x AS x JOIN y AS y ON x.b = y.b;
diff --git a/tests/fixtures/optimizer/qualify_columns__invalid.sql b/tests/fixtures/optimizer/qualify_columns__invalid.sql
index 056b0e9..1104b6e 100644
--- a/tests/fixtures/optimizer/qualify_columns__invalid.sql
+++ b/tests/fixtures/optimizer/qualify_columns__invalid.sql
@@ -5,7 +5,6 @@ SELECT z.* FROM x;
 SELECT x FROM x;
 INSERT INTO x VALUES (1, 2);
 SELECT a FROM x AS z JOIN y AS z;
-WITH z AS (SELECT * FROM x) SELECT * FROM x AS z;
 SELECT a FROM x JOIN (SELECT b FROM y WHERE y.b = x.c);
 SELECT a FROM x AS y JOIN (SELECT a FROM y) AS q ON y.a = q.a;
 SELECT q.a FROM (SELECT x.b FROM x) AS z JOIN (SELECT a FROM z) AS q ON z.b = q.a;
diff --git a/tests/fixtures/optimizer/tpc-h/tpc-h.sql b/tests/fixtures/optimizer/tpc-h/tpc-h.sql
index 0b6d382..d2f10fc 100644
--- a/tests/fixtures/optimizer/tpc-h/tpc-h.sql
+++ b/tests/fixtures/optimizer/tpc-h/tpc-h.sql
@@ -97,19 +97,32 @@ order by
    p_partkey
 limit
    100;
-WITH "_e_0" AS (
+WITH "partsupp_2" AS (
   SELECT
     "partsupp"."ps_partkey" AS "ps_partkey",
     "partsupp"."ps_suppkey" AS "ps_suppkey",
     "partsupp"."ps_supplycost" AS "ps_supplycost"
   FROM "partsupp" AS "partsupp"
-), "_e_1" AS (
+), "region_2" AS (
   SELECT
     "region"."r_regionkey" AS "r_regionkey",
     "region"."r_name" AS "r_name"
   FROM "region" AS "region"
   WHERE
     "region"."r_name" = 'EUROPE'
+), "_u_0" AS (
+  SELECT
+    MIN("partsupp"."ps_supplycost") AS "_col_0",
+    "partsupp"."ps_partkey" AS "_u_1"
+  FROM "partsupp_2" AS "partsupp"
+  CROSS JOIN "region_2" AS "region"
+  JOIN "nation" AS "nation"
+    ON "nation"."n_regionkey" = "region"."r_regionkey"
+  JOIN "supplier" AS "supplier"
+    ON "supplier"."s_nationkey" = "nation"."n_nationkey"
+    AND "supplier"."s_suppkey" = "partsupp"."ps_suppkey"
+  GROUP BY
+    "partsupp"."ps_partkey"
 )
 SELECT
   "supplier"."s_acctbal" AS "s_acctbal",
@@ -121,25 +134,12 @@ SELECT
   "supplier"."s_phone" AS "s_phone",
   "supplier"."s_comment" AS "s_comment"
 FROM "part" AS "part"
-LEFT JOIN (
-  SELECT
-    MIN("partsupp"."ps_supplycost") AS "_col_0",
-    "partsupp"."ps_partkey" AS "_u_1"
-  FROM "_e_0" AS "partsupp"
-  CROSS JOIN "_e_1" AS "region"
-  JOIN "nation" AS "nation"
-    ON "nation"."n_regionkey" = "region"."r_regionkey"
-  JOIN "supplier" AS "supplier"
-    ON "supplier"."s_nationkey" = "nation"."n_nationkey"
-    AND "supplier"."s_suppkey" = "partsupp"."ps_suppkey"
-  GROUP BY
-    "partsupp"."ps_partkey"
-) AS "_u_0"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "part"."p_partkey" = "_u_0"."_u_1"
-CROSS JOIN "_e_1" AS "region"
+CROSS JOIN "region_2" AS "region"
 JOIN "nation" AS "nation"
   ON "nation"."n_regionkey" = "region"."r_regionkey"
-JOIN "_e_0" AS "partsupp"
+JOIN "partsupp_2" AS "partsupp"
   ON "part"."p_partkey" = "partsupp"."ps_partkey"
 JOIN "supplier" AS "supplier"
   ON "supplier"."s_nationkey" = "nation"."n_nationkey"
@@ -193,12 +193,12 @@ SELECT
 FROM "customer" AS "customer"
 JOIN "orders" AS "orders"
   ON "customer"."c_custkey" = "orders"."o_custkey"
+  AND "orders"."o_orderdate" < '1995-03-15'
 JOIN "lineitem" AS "lineitem"
   ON "lineitem"."l_orderkey" = "orders"."o_orderkey"
+  AND "lineitem"."l_shipdate" > '1995-03-15'
 WHERE
   "customer"."c_mktsegment" = 'BUILDING'
-  AND "lineitem"."l_shipdate" > '1995-03-15'
-  AND "orders"."o_orderdate" < '1995-03-15'
 GROUP BY
   "lineitem"."l_orderkey",
   "orders"."o_orderdate",
@@ -232,11 +232,7 @@ group by
         o_orderpriority
 order by
         o_orderpriority;
-SELECT
-  "orders"."o_orderpriority" AS "o_orderpriority",
-  COUNT(*) AS "order_count"
-FROM "orders" AS "orders"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     "lineitem"."l_orderkey" AS "l_orderkey"
   FROM "lineitem" AS "lineitem"
@@ -244,7 +240,12 @@ LEFT JOIN (
     "lineitem"."l_commitdate" < "lineitem"."l_receiptdate"
   GROUP BY
     "lineitem"."l_orderkey"
-) AS "_u_0"
+)
+SELECT
+  "orders"."o_orderpriority" AS "o_orderpriority",
+  COUNT(*) AS "order_count"
+FROM "orders" AS "orders"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "_u_0"."l_orderkey" = "orders"."o_orderkey"
 WHERE
   "orders"."o_orderdate" < CAST('1993-10-01' AS DATE)
@@ -290,7 +291,10 @@ SELECT
 FROM "customer" AS "customer"
 JOIN "orders" AS "orders"
   ON "customer"."c_custkey" = "orders"."o_custkey"
-CROSS JOIN "region" AS "region"
+  AND "orders"."o_orderdate" < CAST('1995-01-01' AS DATE)
+  AND "orders"."o_orderdate" >= CAST('1994-01-01' AS DATE)
+JOIN "region" AS "region"
+  ON "region"."r_name" = 'ASIA'
 JOIN "nation" AS "nation"
   ON "nation"."n_regionkey" = "region"."r_regionkey"
 JOIN "supplier" AS "supplier"
@@ -299,10 +303,6 @@ JOIN "supplier" AS "supplier"
 JOIN "lineitem" AS "lineitem"
   ON "lineitem"."l_orderkey" = "orders"."o_orderkey"
   AND "lineitem"."l_suppkey" = "supplier"."s_suppkey"
-WHERE
-  "orders"."o_orderdate" < CAST('1995-01-01' AS DATE)
-  AND "orders"."o_orderdate" >= CAST('1994-01-01' AS DATE)
-  AND "region"."r_name" = 'ASIA'
 GROUP BY
   "nation"."n_name"
 ORDER BY
@@ -371,7 +371,7 @@ order by
         supp_nation,
         cust_nation,
         l_year;
-WITH "_e_0" AS (
+WITH "n1" AS (
   SELECT
     "nation"."n_nationkey" AS "n_nationkey",
     "nation"."n_name" AS "n_name"
@@ -389,14 +389,15 @@ SELECT
   )) AS "revenue"
 FROM "supplier" AS "supplier"
 JOIN "lineitem" AS "lineitem"
-  ON "supplier"."s_suppkey" = "lineitem"."l_suppkey"
+  ON "lineitem"."l_shipdate" BETWEEN CAST('1995-01-01' AS DATE) AND CAST('1996-12-31' AS DATE)
+  AND "supplier"."s_suppkey" = "lineitem"."l_suppkey"
 JOIN "orders" AS "orders"
   ON "orders"."o_orderkey" = "lineitem"."l_orderkey"
 JOIN "customer" AS "customer"
   ON "customer"."c_custkey" = "orders"."o_custkey"
-JOIN "_e_0" AS "n1"
+JOIN "n1" AS "n1"
   ON "supplier"."s_nationkey" = "n1"."n_nationkey"
-JOIN "_e_0" AS "n2"
+JOIN "n1" AS "n2"
   ON "customer"."c_nationkey" = "n2"."n_nationkey"
   AND (
     "n1"."n_name" = 'FRANCE'
@@ -406,8 +407,6 @@ JOIN "_e_0" AS "n2"
     "n1"."n_name" = 'GERMANY'
     OR "n2"."n_name" = 'GERMANY'
   )
-WHERE
-  "lineitem"."l_shipdate" BETWEEN CAST('1995-01-01' AS DATE) AND CAST('1996-12-31' AS DATE)
 GROUP BY
   "n1"."n_name",
   "n2"."n_name",
@@ -469,13 +468,15 @@ SELECT
       1 - "lineitem"."l_discount"
   )) AS "mkt_share"
 FROM "part" AS "part"
-CROSS JOIN "region" AS "region"
+JOIN "region" AS "region"
+  ON "region"."r_name" = 'AMERICA'
 JOIN "nation" AS "nation"
   ON "nation"."n_regionkey" = "region"."r_regionkey"
 JOIN "customer" AS "customer"
   ON "customer"."c_nationkey" = "nation"."n_nationkey"
 JOIN "orders" AS "orders"
   ON "orders"."o_custkey" = "customer"."c_custkey"
+  AND "orders"."o_orderdate" BETWEEN CAST('1995-01-01' AS DATE) AND CAST('1996-12-31' AS DATE)
 JOIN "lineitem" AS "lineitem"
   ON "lineitem"."l_orderkey" = "orders"."o_orderkey"
   AND "part"."p_partkey" = "lineitem"."l_partkey"
@@ -484,9 +485,7 @@ JOIN "supplier" AS "supplier"
 JOIN "nation" AS "nation_2"
   ON "supplier"."s_nationkey" = "nation_2"."n_nationkey"
 WHERE
-  "orders"."o_orderdate" BETWEEN CAST('1995-01-01' AS DATE) AND CAST('1996-12-31' AS DATE)
-  AND "part"."p_type" = 'ECONOMY ANODIZED STEEL'
-  AND "region"."r_name" = 'AMERICA'
+  "part"."p_type" = 'ECONOMY ANODIZED STEEL'
 GROUP BY
   EXTRACT(year FROM "orders"."o_orderdate")
 ORDER BY
@@ -604,14 +603,13 @@ SELECT
 FROM "customer" AS "customer"
 JOIN "orders" AS "orders"
   ON "customer"."c_custkey" = "orders"."o_custkey"
+  AND "orders"."o_orderdate" < CAST('1994-01-01' AS DATE)
+  AND "orders"."o_orderdate" >= CAST('1993-10-01' AS DATE)
 JOIN "lineitem" AS "lineitem"
   ON "lineitem"."l_orderkey" = "orders"."o_orderkey"
+  AND "lineitem"."l_returnflag" = 'R'
 JOIN "nation" AS "nation"
   ON "customer"."c_nationkey" = "nation"."n_nationkey"
-WHERE
-  "lineitem"."l_returnflag" = 'R'
-  AND "orders"."o_orderdate" < CAST('1994-01-01' AS DATE)
-  AND "orders"."o_orderdate" >= CAST('1993-10-01' AS DATE)
 GROUP BY
   "customer"."c_custkey",
   "customer"."c_name",
@@ -654,12 +652,12 @@ group by
                 )
 order by
         value desc;
-WITH "_e_0" AS (
+WITH "supplier_2" AS (
   SELECT
     "supplier"."s_suppkey" AS "s_suppkey",
     "supplier"."s_nationkey" AS "s_nationkey"
   FROM "supplier" AS "supplier"
-), "_e_1" AS (
+), "nation_2" AS (
   SELECT
     "nation"."n_nationkey" AS "n_nationkey",
     "nation"."n_name" AS "n_name"
@@ -671,9 +669,9 @@ SELECT
   "partsupp"."ps_partkey" AS "ps_partkey",
   SUM("partsupp"."ps_supplycost" * "partsupp"."ps_availqty") AS "value"
 FROM "partsupp" AS "partsupp"
-JOIN "_e_0" AS "supplier"
+JOIN "supplier_2" AS "supplier"
   ON "partsupp"."ps_suppkey" = "supplier"."s_suppkey"
-JOIN "_e_1" AS "nation"
+JOIN "nation_2" AS "nation"
   ON "supplier"."s_nationkey" = "nation"."n_nationkey"
 GROUP BY
   "partsupp"."ps_partkey"
@@ -682,9 +680,9 @@ HAVING
     SELECT
       SUM("partsupp"."ps_supplycost" * "partsupp"."ps_availqty") * 0.0001 AS "_col_0"
     FROM "partsupp" AS "partsupp"
-    JOIN "_e_0" AS "supplier"
+    JOIN "supplier_2" AS "supplier"
       ON "partsupp"."ps_suppkey" = "supplier"."s_suppkey"
-    JOIN "_e_1" AS "nation"
+    JOIN "nation_2" AS "nation"
       ON "supplier"."s_nationkey" = "nation"."n_nationkey"
   )
 ORDER BY
@@ -737,13 +735,12 @@ SELECT
   END) AS "low_line_count"
 FROM "orders" AS "orders"
 JOIN "lineitem" AS "lineitem"
-  ON "orders"."o_orderkey" = "lineitem"."l_orderkey"
-WHERE
-  "lineitem"."l_commitdate" < "lineitem"."l_receiptdate"
+  ON "lineitem"."l_commitdate" < "lineitem"."l_receiptdate"
   AND "lineitem"."l_receiptdate" < CAST('1995-01-01' AS DATE)
   AND "lineitem"."l_receiptdate" >= CAST('1994-01-01' AS DATE)
   AND "lineitem"."l_shipdate" < "lineitem"."l_commitdate"
   AND "lineitem"."l_shipmode" IN ('MAIL', 'SHIP')
+  AND "orders"."o_orderkey" = "lineitem"."l_orderkey"
 GROUP BY
   "lineitem"."l_shipmode"
 ORDER BY
@@ -772,10 +769,7 @@ group by
 order by
         custdist desc,
         c_count desc;
-SELECT
-  "c_orders"."c_count" AS "c_count",
-  COUNT(*) AS "custdist"
-FROM (
+WITH "c_orders" AS (
   SELECT
     COUNT("orders"."o_orderkey") AS "c_count"
   FROM "customer" AS "customer"
@@ -784,7 +778,11 @@ FROM (
     AND NOT "orders"."o_comment" LIKE '%special%requests%'
   GROUP BY
     "customer"."c_custkey"
-) AS "c_orders"
+)
+SELECT
+  "c_orders"."c_count" AS "c_count",
+  COUNT(*) AS "custdist"
+FROM "c_orders" AS "c_orders"
 GROUP BY
   "c_orders"."c_count"
 ORDER BY
@@ -920,13 +918,7 @@ order by
         p_brand,
         p_type,
         p_size;
-SELECT
-  "part"."p_brand" AS "p_brand",
-  "part"."p_type" AS "p_type",
-  "part"."p_size" AS "p_size",
-  COUNT(DISTINCT "partsupp"."ps_suppkey") AS "supplier_cnt"
-FROM "partsupp" AS "partsupp"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     "supplier"."s_suppkey" AS "s_suppkey"
   FROM "supplier" AS "supplier"
@@ -934,15 +926,22 @@ LEFT JOIN (
     "supplier"."s_comment" LIKE '%Customer%Complaints%'
   GROUP BY
     "supplier"."s_suppkey"
-) AS "_u_0"
+)
+SELECT
+  "part"."p_brand" AS "p_brand",
+  "part"."p_type" AS "p_type",
+  "part"."p_size" AS "p_size",
+  COUNT(DISTINCT "partsupp"."ps_suppkey") AS "supplier_cnt"
+FROM "partsupp" AS "partsupp"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "partsupp"."ps_suppkey" = "_u_0"."s_suppkey"
 JOIN "part" AS "part"
-  ON "part"."p_partkey" = "partsupp"."ps_partkey"
-WHERE
-  "_u_0"."s_suppkey" IS NULL
-  AND "part"."p_brand" <> 'Brand#45'
+  ON "part"."p_brand" <> 'Brand#45'
+  AND "part"."p_partkey" = "partsupp"."ps_partkey"
   AND "part"."p_size" IN (49, 14, 23, 45, 19, 3, 36, 9)
   AND NOT "part"."p_type" LIKE 'MEDIUM POLISHED%'
+WHERE
+  "_u_0"."s_suppkey" IS NULL
 GROUP BY
   "part"."p_brand",
   "part"."p_type",
@@ -973,24 +972,25 @@ where
                 where
                         l_partkey = p_partkey
         );
-SELECT
-  SUM("lineitem"."l_extendedprice") / 7.0 AS "avg_yearly"
-FROM "lineitem" AS "lineitem"
-JOIN "part" AS "part"
-  ON "part"."p_partkey" = "lineitem"."l_partkey"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     0.2 * AVG("lineitem"."l_quantity") AS "_col_0",
     "lineitem"."l_partkey" AS "_u_1"
   FROM "lineitem" AS "lineitem"
   GROUP BY
     "lineitem"."l_partkey"
-) AS "_u_0"
+)
+SELECT
+  SUM("lineitem"."l_extendedprice") / 7.0 AS "avg_yearly"
+FROM "lineitem" AS "lineitem"
+JOIN "part" AS "part"
+  ON "part"."p_brand" = 'Brand#23'
+  AND "part"."p_container" = 'MED BOX'
+  AND "part"."p_partkey" = "lineitem"."l_partkey"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "_u_0"."_u_1" = "part"."p_partkey"
 WHERE
   "lineitem"."l_quantity" < "_u_0"."_col_0"
-  AND "part"."p_brand" = 'Brand#23'
-  AND "part"."p_container" = 'MED BOX'
   AND NOT "_u_0"."_u_1" IS NULL;
 
 --------------------------------------
@@ -1030,6 +1030,16 @@ order by
         o_orderdate
 limit
         100;
+WITH "_u_0" AS (
+  SELECT
+    "lineitem"."l_orderkey" AS "l_orderkey"
+  FROM "lineitem" AS "lineitem"
+  GROUP BY
+    "lineitem"."l_orderkey",
+    "lineitem"."l_orderkey"
+  HAVING
+    SUM("lineitem"."l_quantity") > 300
+)
 SELECT
   "customer"."c_name" AS "c_name",
   "customer"."c_custkey" AS "c_custkey",
@@ -1040,16 +1050,7 @@ SELECT
 FROM "customer" AS "customer"
 JOIN "orders" AS "orders"
   ON "customer"."c_custkey" = "orders"."o_custkey"
-LEFT JOIN (
-  SELECT
-    "lineitem"."l_orderkey" AS "l_orderkey"
-  FROM "lineitem" AS "lineitem"
-  GROUP BY
-    "lineitem"."l_orderkey",
-    "lineitem"."l_orderkey"
-  HAVING
-    SUM("lineitem"."l_quantity") > 300
-) AS "_u_0"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "orders"."o_orderkey" = "_u_0"."l_orderkey"
 JOIN "lineitem" AS "lineitem"
   ON "orders"."o_orderkey" = "lineitem"."l_orderkey"
@@ -1200,38 +1201,34 @@ where
         and n_name = 'CANADA'
 order by
         s_name;
-SELECT
-  "supplier"."s_name" AS "s_name",
-  "supplier"."s_address" AS "s_address"
-FROM "supplier" AS "supplier"
-LEFT JOIN (
+WITH "_u_0" AS (
+  SELECT
+    0.5 * SUM("lineitem"."l_quantity") AS "_col_0",
+    "lineitem"."l_partkey" AS "_u_1",
+    "lineitem"."l_suppkey" AS "_u_2"
+  FROM "lineitem" AS "lineitem"
+  WHERE
+    "lineitem"."l_shipdate" < CAST('1995-01-01' AS DATE)
+    AND "lineitem"."l_shipdate" >= CAST('1994-01-01' AS DATE)
+  GROUP BY
+    "lineitem"."l_partkey",
+    "lineitem"."l_suppkey"
+), "_u_3" AS (
+  SELECT
+    "part"."p_partkey" AS "p_partkey"
+  FROM "part" AS "part"
+  WHERE
+    "part"."p_name" LIKE 'forest%'
+  GROUP BY
+    "part"."p_partkey"
+), "_u_4" AS (
   SELECT
     "partsupp"."ps_suppkey" AS "ps_suppkey"
   FROM "partsupp" AS "partsupp"
-  LEFT JOIN (
-    SELECT
-      0.5 * SUM("lineitem"."l_quantity") AS "_col_0",
-      "lineitem"."l_partkey" AS "_u_1",
-      "lineitem"."l_suppkey" AS "_u_2"
-    FROM "lineitem" AS "lineitem"
-    WHERE
-      "lineitem"."l_shipdate" < CAST('1995-01-01' AS DATE)
-      AND "lineitem"."l_shipdate" >= CAST('1994-01-01' AS DATE)
-    GROUP BY
-      "lineitem"."l_partkey",
-      "lineitem"."l_suppkey"
-  ) AS "_u_0"
+  LEFT JOIN "_u_0" AS "_u_0"
     ON "_u_0"."_u_1" = "partsupp"."ps_partkey"
     AND "_u_0"."_u_2" = "partsupp"."ps_suppkey"
-  LEFT JOIN (
-    SELECT
-      "part"."p_partkey" AS "p_partkey"
-    FROM "part" AS "part"
-    WHERE
-      "part"."p_name" LIKE 'forest%'
-    GROUP BY
-      "part"."p_partkey"
-  ) AS "_u_3"
+  LEFT JOIN "_u_3" AS "_u_3"
     ON "partsupp"."ps_partkey" = "_u_3"."p_partkey"
   WHERE
     "partsupp"."ps_availqty" > "_u_0"."_col_0"
@@ -1240,13 +1237,18 @@ LEFT JOIN (
     AND NOT "_u_3"."p_partkey" IS NULL
   GROUP BY
     "partsupp"."ps_suppkey"
-) AS "_u_4"
+)
+SELECT
+  "supplier"."s_name" AS "s_name",
+  "supplier"."s_address" AS "s_address"
+FROM "supplier" AS "supplier"
+LEFT JOIN "_u_4" AS "_u_4"
   ON "supplier"."s_suppkey" = "_u_4"."ps_suppkey"
 JOIN "nation" AS "nation"
-  ON "supplier"."s_nationkey" = "nation"."n_nationkey"
+  ON "nation"."n_name" = 'CANADA'
+  AND "supplier"."s_nationkey" = "nation"."n_nationkey"
 WHERE
-  "nation"."n_name" = 'CANADA'
-  AND NOT "_u_4"."ps_suppkey" IS NULL
+  NOT "_u_4"."ps_suppkey" IS NULL
 ORDER BY
   "s_name";
 
@@ -1294,22 +1296,14 @@ order by
         s_name
 limit
         100;
-SELECT
-  "supplier"."s_name" AS "s_name",
-  COUNT(*) AS "numwait"
-FROM "supplier" AS "supplier"
-JOIN "lineitem" AS "lineitem"
-  ON "supplier"."s_suppkey" = "lineitem"."l_suppkey"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     "l2"."l_orderkey" AS "l_orderkey",
     ARRAY_AGG("l2"."l_suppkey") AS "_u_1"
   FROM "lineitem" AS "l2"
   GROUP BY
     "l2"."l_orderkey"
-) AS "_u_0"
-  ON "_u_0"."l_orderkey" = "lineitem"."l_orderkey"
-LEFT JOIN (
+), "_u_2" AS (
   SELECT
     "l3"."l_orderkey" AS "l_orderkey",
     ARRAY_AGG("l3"."l_suppkey") AS "_u_3"
@@ -1318,20 +1312,29 @@ LEFT JOIN (
     "l3"."l_receiptdate" > "l3"."l_commitdate"
   GROUP BY
     "l3"."l_orderkey"
-) AS "_u_2"
+)
+SELECT
+  "supplier"."s_name" AS "s_name",
+  COUNT(*) AS "numwait"
+FROM "supplier" AS "supplier"
+JOIN "lineitem" AS "lineitem"
+  ON "lineitem"."l_receiptdate" > "lineitem"."l_commitdate"
+  AND "supplier"."s_suppkey" = "lineitem"."l_suppkey"
+LEFT JOIN "_u_0" AS "_u_0"
+  ON "_u_0"."l_orderkey" = "lineitem"."l_orderkey"
+LEFT JOIN "_u_2" AS "_u_2"
   ON "_u_2"."l_orderkey" = "lineitem"."l_orderkey"
 JOIN "orders" AS "orders"
   ON "orders"."o_orderkey" = "lineitem"."l_orderkey"
+  AND "orders"."o_orderstatus" = 'F'
 JOIN "nation" AS "nation"
-  ON "supplier"."s_nationkey" = "nation"."n_nationkey"
+  ON "nation"."n_name" = 'SAUDI ARABIA'
+  AND "supplier"."s_nationkey" = "nation"."n_nationkey"
 WHERE
   (
     "_u_2"."l_orderkey" IS NULL
     OR NOT ARRAY_ANY("_u_2"."_u_3", "_x" -> "_x" <> "lineitem"."l_suppkey")
   )
-  AND "lineitem"."l_receiptdate" > "lineitem"."l_commitdate"
-  AND "nation"."n_name" = 'SAUDI ARABIA'
-  AND "orders"."o_orderstatus" = 'F'
   AND ARRAY_ANY("_u_0"."_u_1", "_x" -> "_x" <> "lineitem"."l_suppkey")
   AND NOT "_u_0"."l_orderkey" IS NULL
 GROUP BY
@@ -1381,18 +1384,19 @@ group by
         cntrycode
 order by
         cntrycode;
-SELECT
-  SUBSTRING("customer"."c_phone", 1, 2) AS "cntrycode",
-  COUNT(*) AS "numcust",
-  SUM("customer"."c_acctbal") AS "totacctbal"
-FROM "customer" AS "customer"
-LEFT JOIN (
+WITH "_u_0" AS (
   SELECT
     "orders"."o_custkey" AS "_u_1"
   FROM "orders" AS "orders"
   GROUP BY
     "orders"."o_custkey"
-) AS "_u_0"
+)
+SELECT
+  SUBSTRING("customer"."c_phone", 1, 2) AS "cntrycode",
+  COUNT(*) AS "numcust",
+  SUM("customer"."c_acctbal") AS "totacctbal"
+FROM "customer" AS "customer"
+LEFT JOIN "_u_0" AS "_u_0"
   ON "_u_0"."_u_1" = "customer"."c_custkey"
 WHERE
   "_u_0"."_u_1" IS NULL
diff --git a/tests/fixtures/pretty.sql b/tests/fixtures/pretty.sql
index 5ed74f4..19a7451 100644
--- a/tests/fixtures/pretty.sql
+++ b/tests/fixtures/pretty.sql
@@ -264,22 +264,3 @@ CREATE TABLE "t_customer_account" (
   "account_no" VARCHAR(100)
 );
 
-CREATE TABLE "t_customer_account" (
-  "id" int(11) NOT NULL AUTO_INCREMENT,
-  "customer_id" int(11) DEFAULT NULL COMMENT '客户id',
-  "bank" varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '行别',
-  "account_no" varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '账号',
-  PRIMARY KEY ("id")
-) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='客户账户表';
-CREATE TABLE "t_customer_account" (
-  "id" INT(11) NOT NULL AUTO_INCREMENT,
-  "customer_id" INT(11) DEFAULT NULL COMMENT '客户id',
-  "bank" VARCHAR(100) COLLATE utf8_bin DEFAULT NULL COMMENT '行别',
-  "account_no" VARCHAR(100) COLLATE utf8_bin DEFAULT NULL COMMENT '账号',
-  PRIMARY KEY("id")
-)
-ENGINE=InnoDB
-AUTO_INCREMENT=1
-DEFAULT CHARACTER SET=utf8
-COLLATE=utf8_bin
-COMMENT='客户账户表';