# 2012 December 19
#
# 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 name resolution in SELECT
# statements that have parenthesized FROM clauses.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
for {set i 1} {$i<=2} {incr i} {
db close
forcedelete test$i.db
sqlite3 db test$i.db
if {$i==2} {
optimization_control db query-flattener off
}
do_test selectD-$i.0 {
db eval {
ATTACH ':memory:' AS aux1;
CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(111,'x1');
CREATE TABLE t2(a,b); INSERT INTO t2 VALUES(222,'x2');
CREATE TEMP TABLE t3(a,b); INSERT INTO t3 VALUES(333,'x3');
CREATE TABLE main.t4(a,b); INSERT INTO main.t4 VALUES(444,'x4');
CREATE TABLE aux1.t4(a,b); INSERT INTO aux1.t4 VALUES(555,'x5');
}
} {}
do_test selectD-$i.1 {
db eval {
SELECT *
FROM (t1), (t2), (t3), (t4)
WHERE t4.a=t3.a+111
AND t3.a=t2.a+111
AND t2.a=t1.a+111;
}
} {111 x1 222 x2 333 x3 444 x4}
do_test selectD-$i.2.1 {
db eval {
SELECT *
FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
ON t3.a=t2.a+111)
ON t2.a=t1.a+111;
}
} {111 x1 222 x2 333 x3 444 x4}
do_test selectD-$i.2.2 {
db eval {
SELECT t3.a
FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
ON t3.a=t2.a+111)
ON t2.a=t1.a+111;
}
} {333}
do_test selectD-$i.2.3 {
db eval {
SELECT t3.*
FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
ON t3.a=t2.a+111)
ON t2.a=t1.a+111;
}
} {333 x3}
do_test selectD-$i.2.3 {
db eval {
SELECT t3.*, t2.*
FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111)
ON t3.a=t2.a+111)
ON t2.a=t1.a+111;
}
} {333 x3 222 x2}
do_test selectD-$i.2.4 {
db eval {
SELECT *
FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux1.t4 ON aux1.t4.a=main.t4.a+111)
ON main.t4.a=t2.a+222)
ON t2.a=t1.a+111;
}
} {111 x1 222 x2 444 x4 555 x5}
do_test selectD-$i.2.5 {
db eval {
SELECT *
FROM t1 JOIN (t2 JOIN (main.t4 AS x JOIN aux1.t4 ON aux1.t4.a=x.a+111)
ON x.a=t2.a+222)
ON t2.a=t1.a+111;
}
} {111 x1 222 x2 444 x4 555 x5}
do_test selectD-$i.2.6 {
catchsql {
SELECT *
FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux.t4 ON aux.t4.a=main.t4.a+111)
ON main.t4.a=t2.a+222)
ON t2.a=t1.a+111;
}
} {1 {no such table: aux.t4}}
do_test selectD-$i.2.7 {
db eval {
SELECT x.a, y.b
FROM t1 JOIN (t2 JOIN (main.t4 x JOIN aux1.t4 y ON y.a=x.a+111)
ON x.a=t2.a+222)
ON t2.a=t1.a+111;
}
} {444 x5}
do_test selectD-$i.3 {
db eval {
UPDATE t2 SET a=111;
UPDATE t3 SET a=111;
UPDATE t4 SET a=111;
SELECT *
FROM t1 JOIN (t2 JOIN (t3 JOIN t4 USING(a)) USING (a)) USING (a);
}
} {111 x1 x2 x3 x4}
do_test selectD-$i.4 {
db eval {
UPDATE t2 SET a=111;
UPDATE t3 SET a=111;
UPDATE t4 SET a=111;
SELECT *
FROM t1 LEFT JOIN (t2 LEFT JOIN (t3 LEFT JOIN t4 USING(a))
USING (a))
USING (a);
}
} {111 x1 x2 x3 x4}
do_test selectD-$i.5 {
db eval {
UPDATE t3 SET a=222;
UPDATE t4 SET a=222;
SELECT *
FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
ON t1.a=t3.a-111;
}
} {111 x1 x2 222 x3 x4}
do_test selectD-$i.6 {
db eval {
UPDATE t4 SET a=333;
SELECT *
FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
ON t1.a=t3.a-111;
}
} {111 x1 x2 222 x3 {}}
do_test selectD-$i.7 {
db eval {
SELECT t1.*, t2.*, t3.*, t4.b
FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a))
ON t1.a=t3.a-111;
}
} {111 x1 111 x2 222 x3 {}}
}
# The following test was added on 2013-04-24 in order to verify that
# the datatypes and affinities of sub-sub-queries are set prior to computing
# the datatypes and affinities of the parent sub-queries because the
# latter computation depends on the former.
#
do_execsql_test selectD-4.1 {
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
EXPLAIN QUERY PLAN
SELECT *
FROM t41
LEFT JOIN (SELECT count(*) AS cnt, x1.d
FROM (t42 INNER JOIN t43 ON d=g) AS x1
WHERE x1.d>5
GROUP BY x1.d) AS x2
ON t41.b=x2.d;
} {/*SEARCH SUBQUERY * AS x2 USING AUTOMATIC*/}
finish_test