summaryrefslogtreecommitdiffstats
path: root/test/with6.test
diff options
context:
space:
mode:
Diffstat (limited to 'test/with6.test')
-rw-r--r--test/with6.test377
1 files changed, 377 insertions, 0 deletions
diff --git a/test/with6.test b/test/with6.test
new file mode 100644
index 0000000..2a4bfc6
--- /dev/null
+++ b/test/with6.test
@@ -0,0 +1,377 @@
+# 2021-02-22
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is the MATERIALIZED hint to common table expressions
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix with6
+
+ifcapable {!cte} {
+ finish_test
+ return
+}
+
+do_execsql_test 100 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 101 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {
+ QUERY PLAN
+ |--MATERIALIZE c
+ | `--SCAN 2 CONSTANT ROWS
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+do_execsql_test 110 {
+ WITH c(x) AS MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 111 {
+ WITH c(x) AS MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {
+ QUERY PLAN
+ |--MATERIALIZE c
+ | `--SCAN 2 CONSTANT ROWS
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+# Even though the CTE is not materialized, the self-join optimization
+# kicks in and does the materialization for us.
+#
+do_execsql_test 120 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 121 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x FROM c c1, c c2, c c3;
+} {
+ QUERY PLAN
+ |--MATERIALIZE c
+ | `--SCAN 2 CONSTANT ROWS
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+do_execsql_test 130 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 5) AS c2,
+ (SELECT x FROM c LIMIT 5) AS c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 131 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 5) AS c2,
+ (SELECT x FROM c LIMIT 5) AS c3;
+} {
+ QUERY PLAN
+ |--CO-ROUTINE c1
+ | |--CO-ROUTINE c
+ | | `--SCAN 2 CONSTANT ROWS
+ | `--SCAN c
+ |--MATERIALIZE c2
+ | |--CO-ROUTINE c
+ | | `--SCAN 2 CONSTANT ROWS
+ | `--SCAN c
+ |--MATERIALIZE c3
+ | |--CO-ROUTINE c
+ | | `--SCAN 2 CONSTANT ROWS
+ | `--SCAN c
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+# The (SELECT x FROM c LIMIT N) subqueries get materialized once each.
+# Show multiple materializations are shown. But there is only one
+# materialization for c, shown by the "SCAN 2 CONSTANT ROWS" line.
+#
+do_execsql_test 140 {
+ WITH c(x) AS MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 6) AS c2,
+ (SELECT x FROM c LIMIT 7) AS c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 141 {
+ WITH c(x) AS MATERIALIZED (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 6) AS c2,
+ (SELECT x FROM c LIMIT 7) AS c3;
+} {
+ QUERY PLAN
+ |--CO-ROUTINE c1
+ | |--MATERIALIZE c
+ | | `--SCAN 2 CONSTANT ROWS
+ | `--SCAN c
+ |--MATERIALIZE c2
+ | `--SCAN c
+ |--MATERIALIZE c3
+ | `--SCAN c
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+do_execsql_test 150 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 6) AS c2,
+ (SELECT x FROM c LIMIT 7) AS c3;
+} {000 001 010 011 100 101 110 111}
+do_eqp_test 151 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c1.x||c2.x||c3.x
+ FROM (SELECT x FROM c LIMIT 5) AS c1,
+ (SELECT x FROM c LIMIT 6) AS c2,
+ (SELECT x FROM c LIMIT 7) AS c3;
+} {
+ QUERY PLAN
+ |--CO-ROUTINE c1
+ | |--MATERIALIZE c
+ | | `--SCAN 2 CONSTANT ROWS
+ | `--SCAN c
+ |--MATERIALIZE c2
+ | `--SCAN c
+ |--MATERIALIZE c3
+ | `--SCAN c
+ |--SCAN c1
+ |--SCAN c2
+ `--SCAN c3
+}
+
+do_execsql_test 160 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c2.x + 100*(SELECT sum(x+1) FROM c WHERE c.x<=c2.x)
+ FROM c AS c2 WHERE c2.x<10;
+} {100 301}
+do_eqp_test 161 {
+ WITH c(x) AS (VALUES(0),(1))
+ SELECT c2.x + 100*(SELECT sum(x+1) FROM c WHERE c.x<=c2.x)
+ FROM c AS c2 WHERE c2.x<10;
+} {
+ QUERY PLAN
+ |--MATERIALIZE c
+ | `--SCAN 2 CONSTANT ROWS
+ |--SCAN c2
+ `--CORRELATED SCALAR SUBQUERY xxxxxx
+ `--SCAN c
+}
+
+do_execsql_test 170 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c2.x + 100*(SELECT sum(x+1) FROM c WHERE c.x<=c2.x)
+ FROM c AS c2 WHERE c2.x<10;
+} {100 301}
+do_eqp_test 171 {
+ WITH c(x) AS NOT MATERIALIZED (VALUES(0),(1))
+ SELECT c2.x + 100*(SELECT sum(x+1) FROM c WHERE c.x<=c2.x)
+ FROM c AS c2 WHERE c2.x<10;
+} {
+ QUERY PLAN
+ |--CO-ROUTINE c
+ | `--SCAN 2 CONSTANT ROWS
+ |--SCAN c2
+ `--CORRELATED SCALAR SUBQUERY xxxxxx
+ |--CO-ROUTINE c
+ | `--SCAN 2 CONSTANT ROWS
+ `--SCAN c
+}
+
+
+do_execsql_test 200 {
+ CREATE TABLE t1(x);
+ INSERT INTO t1(x) VALUES(4);
+ CREATE VIEW t2(y) AS
+ WITH c(z) AS (VALUES(4),(5),(6))
+ SELECT c1.z+c2.z*100+t1.x*10000
+ FROM t1,
+ (SELECT z FROM c LIMIT 5) AS c1,
+ (SELECT z FROM c LIMIT 5) AS c2;
+ SELECT y FROM t2 ORDER BY y;
+} {40404 40405 40406 40504 40505 40506 40604 40605 40606}
+do_execsql_test 210 {
+ DROP VIEW t2;
+ CREATE VIEW t2(y) AS
+ WITH c(z) AS NOT MATERIALIZED (VALUES(4),(5),(6))
+ SELECT c1.z+c2.z*100+t1.x*10000
+ FROM t1,
+ (SELECT z FROM c LIMIT 5) AS c1,
+ (SELECT z FROM c LIMIT 5) AS c2;
+ SELECT y FROM t2 ORDER BY y;
+} {40404 40405 40406 40504 40505 40506 40604 40605 40606}
+do_eqp_test 211 {
+ SELECT y FROM t2 ORDER BY y;
+} {
+ QUERY PLAN
+ |--CO-ROUTINE c1
+ | |--CO-ROUTINE c
+ | | `--SCAN 3 CONSTANT ROWS
+ | `--SCAN c
+ |--MATERIALIZE c2
+ | |--CO-ROUTINE c
+ | | `--SCAN 3 CONSTANT ROWS
+ | `--SCAN c
+ |--SCAN c1
+ |--SCAN c2
+ |--SCAN t1
+ `--USE TEMP B-TREE FOR ORDER BY
+}
+do_execsql_test 220 {
+ DROP VIEW t2;
+ CREATE VIEW t2(y) AS
+ WITH c(z) AS MATERIALIZED (VALUES(4),(5),(6))
+ SELECT c1.z+c2.z*100+t1.x*10000
+ FROM t1,
+ (SELECT z FROM c LIMIT 5) AS c1,
+ (SELECT z FROM c LIMIT 5) AS c2;
+ SELECT y FROM t2 ORDER BY y;
+} {40404 40405 40406 40504 40505 40506 40604 40605 40606}
+
+# 2022-04-22: Do not allow flattening of a MATERIALIZED CTE into
+# an outer query.
+#
+reset_db
+db null -
+do_execsql_test 300 {
+ CREATE TABLE t2(a INT,b INT,d INT); INSERT INTO t2 VALUES(4,5,6),(7,8,9);
+ CREATE TABLE t3(a INT,b INT,e INT); INSERT INTO t3 VALUES(3,3,3),(8,8,8);
+} {}
+do_execsql_test 310 {
+ WITH t23 AS MATERIALIZED (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ 4 5 6 - -
+ 7 8 9 8 8
+ - 3 - 3 3
+}
+do_eqp_test 311 {
+ WITH t23 AS MATERIALIZED (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ QUERY PLAN
+ |--MATERIALIZE t23
+ | |--SCAN t2
+ | |--SCAN t3 LEFT-JOIN
+ | `--RIGHT-JOIN t3
+ | `--SCAN t3
+ `--SCAN t23
+}
+do_execsql_test 320 {
+ WITH t23 AS NOT MATERIALIZED (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ 4 5 6 - -
+ 7 8 9 8 8
+ - 3 - 3 3
+}
+do_eqp_test 321 {
+ WITH t23 AS NOT MATERIALIZED (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ QUERY PLAN
+ |--SCAN t2
+ |--SCAN t3 LEFT-JOIN
+ `--RIGHT-JOIN t3
+ `--SCAN t3
+}
+do_execsql_test 330 {
+ WITH t23 AS (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ 4 5 6 - -
+ 7 8 9 8 8
+ - 3 - 3 3
+}
+do_eqp_test 331 {
+ WITH t23 AS (SELECT * FROM t2 FULL JOIN t3 USING(b))
+ SELECT * FROM t23;
+} {
+ QUERY PLAN
+ |--SCAN t2
+ |--SCAN t3 LEFT-JOIN
+ `--RIGHT-JOIN t3
+ `--SCAN t3
+}
+
+# 2023-02-01
+# https://sqlite.org/forum/forumpost/1d571c02963355ed
+#
+# Just because a CTE is used more than once, does not mean it should be
+# marked with M10d_Yes and hence prohibited from participating in the
+# query flattening optimization.
+#
+reset_db
+db eval {
+ CREATE TABLE raw(country,date,total,delta, UNIQUE(country,date));
+}
+do_eqp_test 400 {
+ with recursive
+ init(country, date, fin) AS (SELECT country, min(date), max(date) FROM raw WHERE total > 0 GROUP BY country),
+ src(country, date) AS (SELECT raw.country, raw.date
+ FROM raw JOIN init i on raw.country = i.country AND raw.date > i.date
+ ORDER BY raw.country, raw.date),
+ vals(country, date, x, y) AS (SELECT src.country, src.date, julianday(raw.date) - julianday(src.date), log(delta+1)
+ FROM src JOIN raw on raw.country = src.country AND raw.date > date(src.date,'-7 days') AND raw.date <= src.date AND delta >= 0),
+ sums(country, date, x2, x, n, xy, y) AS (SELECT country, date, sum(x*x*1.0), sum(x*1.0), sum(1.0), sum(x*y*1.0), sum(y*1.0) FROM vals GROUP BY 1, 2),
+ mult(country, date, m) AS (SELECT country, date, 1.0/(x2 * n - x * x) FROM sums),
+ inv(country, date, a,b,c,d) AS (SELECT mult.country, mult.date, n * m, -x * m, -x * m, x2 * m
+ FROM mult JOIN sums on sums.country=mult.country AND mult.date=sums.date),
+ fit(country, date, a, b) AS (SELECT inv.country, inv.date, a * xy + b * y, c * xy + d * y
+ FROM inv
+ JOIN mult on mult.country = inv.country AND mult.date = inv.date
+ JOIN sums on sums.country = mult.country AND sums.date = mult.date
+ )
+ SELECT *, nFin/nPrev - 1 AS growth, log(2)/log(nFin/nPrev) AS doubling
+ FROM (SELECT f.*, exp(b) - 1 AS nFin, exp(a* (-1) + b) - 1 AS nPrev
+ FROM fit f JOIN init i on i.country = f.country AND f.date <= date(i.fin,'-3 days'))
+ WHERE nPrev > 0 AND nFin > 0;
+} {
+ QUERY PLAN
+ |--MATERIALIZE sums
+ | |--MATERIALIZE src
+ | | |--MATERIALIZE init
+ | | | `--SCAN raw USING INDEX sqlite_autoindex_raw_1
+ | | |--SCAN i
+ | | |--SEARCH raw USING COVERING INDEX sqlite_autoindex_raw_1 (country=? AND date>?)
+ | | `--USE TEMP B-TREE FOR ORDER BY
+ | |--SCAN src
+ | |--SEARCH raw USING INDEX sqlite_autoindex_raw_1 (country=? AND date>? AND date<?)
+ | `--USE TEMP B-TREE FOR GROUP BY
+ |--SCAN sums
+ |--BLOOM FILTER ON sums (country=? AND date=?)
+ |--SEARCH sums USING AUTOMATIC COVERING INDEX (country=? AND date=?)
+ |--BLOOM FILTER ON sums (country=? AND date=?)
+ |--SEARCH sums USING AUTOMATIC COVERING INDEX (country=? AND date=?)
+ |--BLOOM FILTER ON sums (country=? AND date=?)
+ |--SEARCH sums USING AUTOMATIC COVERING INDEX (country=? AND date=?)
+ |--BLOOM FILTER ON i (country=?)
+ `--SEARCH i USING AUTOMATIC COVERING INDEX (country=?)
+}
+
+
+finish_test
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 12:02:43 +0000