Artifact
974e87f8fc91c5f00dd565316d396a5a6c3106c4:
- File
test/subselect.test
— part of check-in
[4062ddf3]
at
2007-04-12 03:54:39
on branch trunk
— Get the column affinities right when processing an IN operator where
the right-hand side is a subquery with an ORDER BY clause. Ticket #2295.
This bug has likely been present since version 3.0.0 and it has just now
been noticed, so it seems to be a obscure case. (CVS 3837)
(user:
drh
size: 5071)
0000: 23 20 32 30 30 31 20 53 65 70 74 65 6d 62 65 72 # 2001 September
0010: 20 31 35 0a 23 0a 23 20 54 68 65 20 61 75 74 68 15.#.# The auth
0020: 6f 72 20 64 69 73 63 6c 61 69 6d 73 20 63 6f 70 or disclaims cop
0030: 79 72 69 67 68 74 20 74 6f 20 74 68 69 73 20 73 yright to this s
0040: 6f 75 72 63 65 20 63 6f 64 65 2e 20 20 49 6e 20 ource code. In
0050: 70 6c 61 63 65 20 6f 66 0a 23 20 61 20 6c 65 67 place of.# a leg
0060: 61 6c 20 6e 6f 74 69 63 65 2c 20 68 65 72 65 20 al notice, here
0070: 69 73 20 61 20 62 6c 65 73 73 69 6e 67 3a 0a 23 is a blessing:.#
0080: 0a 23 20 20 20 20 4d 61 79 20 79 6f 75 20 64 6f .# May you do
0090: 20 67 6f 6f 64 20 61 6e 64 20 6e 6f 74 20 65 76 good and not ev
00a0: 69 6c 2e 0a 23 20 20 20 20 4d 61 79 20 79 6f 75 il..# May you
00b0: 20 66 69 6e 64 20 66 6f 72 67 69 76 65 6e 65 73 find forgivenes
00c0: 73 20 66 6f 72 20 79 6f 75 72 73 65 6c 66 20 61 s for yourself a
00d0: 6e 64 20 66 6f 72 67 69 76 65 20 6f 74 68 65 72 nd forgive other
00e0: 73 2e 0a 23 20 20 20 20 4d 61 79 20 79 6f 75 20 s..# May you
00f0: 73 68 61 72 65 20 66 72 65 65 6c 79 2c 20 6e 65 share freely, ne
0100: 76 65 72 20 74 61 6b 69 6e 67 20 6d 6f 72 65 20 ver taking more
0110: 74 68 61 6e 20 79 6f 75 20 67 69 76 65 2e 0a 23 than you give..#
0120: 0a 23 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a .#**************
0130: 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a ****************
0140: 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a ****************
0150: 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a ****************
0160: 2a 2a 2a 2a 2a 2a 2a 2a 2a 0a 23 20 54 68 69 73 *********.# This
0170: 20 66 69 6c 65 20 69 6d 70 6c 65 6d 65 6e 74 73 file implements
0180: 20 72 65 67 72 65 73 73 69 6f 6e 20 74 65 73 74 regression test
0190: 73 20 66 6f 72 20 53 51 4c 69 74 65 20 6c 69 62 s for SQLite lib
01a0: 72 61 72 79 2e 20 20 54 68 65 0a 23 20 66 6f 63 rary. The.# foc
01b0: 75 73 20 6f 66 20 74 68 69 73 20 66 69 6c 65 20 us of this file
01c0: 69 73 20 74 65 73 74 69 6e 67 20 53 45 4c 45 43 is testing SELEC
01d0: 54 20 73 74 61 74 65 6d 65 6e 74 73 20 74 68 61 T statements tha
01e0: 74 20 61 72 65 20 70 61 72 74 20 6f 66 0a 23 20 t are part of.#
01f0: 65 78 70 72 65 73 73 69 6f 6e 73 2e 0a 23 0a 23 expressions..#.#
0200: 20 24 49 64 3a 20 73 75 62 73 65 6c 65 63 74 2e $Id: subselect.
0210: 74 65 73 74 2c 76 20 31 2e 31 34 20 32 30 30 37 test,v 1.14 2007
0220: 2f 30 34 2f 31 32 20 30 33 3a 35 34 3a 33 39 20 /04/12 03:54:39
0230: 64 72 68 20 45 78 70 20 24 0a 0a 73 65 74 20 74 drh Exp $..set t
0240: 65 73 74 64 69 72 20 5b 66 69 6c 65 20 64 69 72 estdir [file dir
0250: 6e 61 6d 65 20 24 61 72 67 76 30 5d 0a 73 6f 75 name $argv0].sou
0260: 72 63 65 20 24 74 65 73 74 64 69 72 2f 74 65 73 rce $testdir/tes
0270: 74 65 72 2e 74 63 6c 0a 0a 23 20 4f 6d 69 74 20 ter.tcl..# Omit
0280: 74 68 69 73 20 77 68 6f 6c 65 20 66 69 6c 65 20 this whole file
0290: 69 66 20 74 68 65 20 6c 69 62 72 61 72 79 20 69 if the library i
02a0: 73 20 62 75 69 6c 64 20 77 69 74 68 6f 75 74 20 s build without
02b0: 73 75 62 71 75 65 72 79 20 73 75 70 70 6f 72 74 subquery support
02c0: 2e 0a 69 66 63 61 70 61 62 6c 65 20 21 73 75 62 ..ifcapable !sub
02d0: 71 75 65 72 79 20 7b 0a 20 20 66 69 6e 69 73 68 query {. finish
02e0: 5f 74 65 73 74 0a 20 20 72 65 74 75 72 6e 0a 7d _test. return.}
02f0: 0a 0a 23 20 42 61 73 69 63 20 73 61 6e 69 74 79 ..# Basic sanity
0300: 20 63 68 65 63 6b 69 6e 67 2e 20 20 54 72 79 20 checking. Try
0310: 61 20 73 69 6d 70 6c 65 20 73 75 62 73 65 6c 65 a simple subsele
0320: 63 74 2e 0a 23 0a 64 6f 5f 74 65 73 74 20 73 75 ct..#.do_test su
0330: 62 73 65 6c 65 63 74 2d 31 2e 31 20 7b 0a 20 20 bselect-1.1 {.
0340: 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 43 52 execsql {. CR
0350: 45 41 54 45 20 54 41 42 4c 45 20 74 31 28 61 20 EATE TABLE t1(a
0360: 69 6e 74 2c 20 62 20 69 6e 74 29 3b 0a 20 20 20 int, b int);.
0370: 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 31 20 INSERT INTO t1
0380: 56 41 4c 55 45 53 28 31 2c 32 29 3b 0a 20 20 20 VALUES(1,2);.
0390: 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 31 20 INSERT INTO t1
03a0: 56 41 4c 55 45 53 28 33 2c 34 29 3b 0a 20 20 20 VALUES(3,4);.
03b0: 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 31 20 INSERT INTO t1
03c0: 56 41 4c 55 45 53 28 35 2c 36 29 3b 0a 20 20 7d VALUES(5,6);. }
03d0: 0a 20 20 65 78 65 63 73 71 6c 20 7b 53 45 4c 45 . execsql {SELE
03e0: 43 54 20 2a 20 46 52 4f 4d 20 74 31 20 57 48 45 CT * FROM t1 WHE
03f0: 52 45 20 61 20 3d 20 28 53 45 4c 45 43 54 20 63 RE a = (SELECT c
0400: 6f 75 6e 74 28 2a 29 20 46 52 4f 4d 20 74 31 29 ount(*) FROM t1)
0410: 7d 0a 7d 20 7b 33 20 34 7d 0a 0a 23 20 54 72 79 }.} {3 4}..# Try
0420: 20 61 20 73 65 6c 65 63 74 20 77 69 74 68 20 6d a select with m
0430: 6f 72 65 20 74 68 61 6e 20 6f 6e 65 20 72 65 73 ore than one res
0440: 75 6c 74 20 63 6f 6c 75 6d 6e 2e 0a 23 0a 64 6f ult column..#.do
0450: 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d _test subselect-
0460: 31 2e 32 20 7b 0a 20 20 73 65 74 20 76 20 5b 63 1.2 {. set v [c
0470: 61 74 63 68 20 7b 65 78 65 63 73 71 6c 20 7b 53 atch {execsql {S
0480: 45 4c 45 43 54 20 2a 20 46 52 4f 4d 20 74 31 20 ELECT * FROM t1
0490: 57 48 45 52 45 20 61 20 3d 20 28 53 45 4c 45 43 WHERE a = (SELEC
04a0: 54 20 2a 20 46 52 4f 4d 20 74 31 29 7d 7d 20 6d T * FROM t1)}} m
04b0: 73 67 5d 0a 20 20 6c 61 70 70 65 6e 64 20 76 20 sg]. lappend v
04c0: 24 6d 73 67 0a 7d 20 7b 31 20 7b 6f 6e 6c 79 20 $msg.} {1 {only
04d0: 61 20 73 69 6e 67 6c 65 20 72 65 73 75 6c 74 20 a single result
04e0: 61 6c 6c 6f 77 65 64 20 66 6f 72 20 61 20 53 45 allowed for a SE
04f0: 4c 45 43 54 20 74 68 61 74 20 69 73 20 70 61 72 LECT that is par
0500: 74 20 6f 66 20 61 6e 20 65 78 70 72 65 73 73 69 t of an expressi
0510: 6f 6e 7d 7d 0a 0a 23 20 41 20 73 75 62 73 65 6c on}}..# A subsel
0520: 65 63 74 20 77 69 74 68 6f 75 74 20 61 6e 20 61 ect without an a
0530: 67 67 72 65 67 61 74 65 2e 0a 23 0a 64 6f 5f 74 ggregate..#.do_t
0540: 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d 31 2e est subselect-1.
0550: 33 61 20 7b 0a 20 20 65 78 65 63 73 71 6c 20 7b 3a {. execsql {
0560: 53 45 4c 45 43 54 20 62 20 66 72 6f 6d 20 74 31 SELECT b from t1
0570: 20 77 68 65 72 65 20 61 20 3d 20 28 53 45 4c 45 where a = (SELE
0580: 43 54 20 61 20 46 52 4f 4d 20 74 31 20 57 48 45 CT a FROM t1 WHE
0590: 52 45 20 62 3d 32 29 7d 0a 7d 20 7b 32 7d 0a 64 RE b=2)}.} {2}.d
05a0: 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 74 o_test subselect
05b0: 2d 31 2e 33 62 20 7b 0a 20 20 65 78 65 63 73 71 -1.3b {. execsq
05c0: 6c 20 7b 53 45 4c 45 43 54 20 62 20 66 72 6f 6d l {SELECT b from
05d0: 20 74 31 20 77 68 65 72 65 20 61 20 3d 20 28 53 t1 where a = (S
05e0: 45 4c 45 43 54 20 61 20 46 52 4f 4d 20 74 31 20 ELECT a FROM t1
05f0: 57 48 45 52 45 20 62 3d 34 29 7d 0a 7d 20 7b 34 WHERE b=4)}.} {4
0600: 7d 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c }.do_test subsel
0610: 65 63 74 2d 31 2e 33 63 20 7b 0a 20 20 65 78 65 ect-1.3c {. exe
0620: 63 73 71 6c 20 7b 53 45 4c 45 43 54 20 62 20 66 csql {SELECT b f
0630: 72 6f 6d 20 74 31 20 77 68 65 72 65 20 61 20 3d rom t1 where a =
0640: 20 28 53 45 4c 45 43 54 20 61 20 46 52 4f 4d 20 (SELECT a FROM
0650: 74 31 20 57 48 45 52 45 20 62 3d 36 29 7d 0a 7d t1 WHERE b=6)}.}
0660: 20 7b 36 7d 0a 64 6f 5f 74 65 73 74 20 73 75 62 {6}.do_test sub
0670: 73 65 6c 65 63 74 2d 31 2e 33 63 20 7b 0a 20 20 select-1.3c {.
0680: 65 78 65 63 73 71 6c 20 7b 53 45 4c 45 43 54 20 execsql {SELECT
0690: 62 20 66 72 6f 6d 20 74 31 20 77 68 65 72 65 20 b from t1 where
06a0: 61 20 3d 20 28 53 45 4c 45 43 54 20 61 20 46 52 a = (SELECT a FR
06b0: 4f 4d 20 74 31 20 57 48 45 52 45 20 62 3d 38 29 OM t1 WHERE b=8)
06c0: 7d 0a 7d 20 7b 7d 0a 0a 23 20 57 68 61 74 20 69 }.} {}..# What i
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06e0: 64 6f 65 73 6e 27 74 20 72 65 74 75 72 6e 20 61 doesn't return a
06f0: 6e 79 20 76 61 6c 75 65 2e 20 20 57 65 20 73 68 ny value. We sh
0700: 6f 75 6c 64 20 67 65 74 0a 23 20 4e 55 4c 4c 20 ould get.# NULL
0710: 61 73 20 74 68 65 20 72 65 73 75 6c 74 2e 20 20 as the result.
0720: 43 68 65 63 6b 20 69 74 20 6f 75 74 2e 0a 23 0a Check it out..#.
0730: 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 do_test subselec
0740: 74 2d 31 2e 34 20 7b 0a 20 20 65 78 65 63 73 71 t-1.4 {. execsq
0750: 6c 20 7b 53 45 4c 45 43 54 20 62 20 66 72 6f 6d l {SELECT b from
0760: 20 74 31 20 77 68 65 72 65 20 61 20 3d 20 63 6f t1 where a = co
0770: 61 6c 65 73 63 65 28 28 53 45 4c 45 43 54 20 61 alesce((SELECT a
0780: 20 46 52 4f 4d 20 74 31 20 57 48 45 52 45 20 62 FROM t1 WHERE b
0790: 3d 35 29 2c 31 29 7d 0a 7d 20 7b 32 7d 0a 0a 23 =5),1)}.} {2}..#
07a0: 20 54 72 79 20 6d 75 6c 74 69 70 6c 65 20 73 75 Try multiple su
07b0: 62 73 65 6c 65 63 74 73 20 77 69 74 68 69 6e 20 bselects within
07c0: 61 20 73 69 6e 67 6c 65 20 65 78 70 72 65 73 73 a single express
07d0: 69 6f 6e 2e 0a 23 0a 64 6f 5f 74 65 73 74 20 73 ion..#.do_test s
07e0: 75 62 73 65 6c 65 63 74 2d 31 2e 35 20 7b 0a 20 ubselect-1.5 {.
07f0: 20 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 43 execsql {. C
0800: 52 45 41 54 45 20 54 41 42 4c 45 20 74 32 28 78 REATE TABLE t2(x
0810: 20 69 6e 74 2c 20 79 20 69 6e 74 29 3b 0a 20 20 int, y int);.
0820: 20 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 32 INSERT INTO t2
0830: 20 56 41 4c 55 45 53 28 31 2c 32 29 3b 0a 20 20 VALUES(1,2);.
0840: 20 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 32 INSERT INTO t2
0850: 20 56 41 4c 55 45 53 28 32 2c 34 29 3b 0a 20 20 VALUES(2,4);.
0860: 20 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 32 INSERT INTO t2
0870: 20 56 41 4c 55 45 53 28 33 2c 38 29 3b 0a 20 20 VALUES(3,8);.
0880: 20 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 32 INSERT INTO t2
0890: 20 56 41 4c 55 45 53 28 34 2c 31 36 29 3b 0a 20 VALUES(4,16);.
08a0: 20 7d 0a 20 20 65 78 65 63 73 71 6c 20 7b 0a 20 }. execsql {.
08b0: 20 20 20 53 45 4c 45 43 54 20 79 20 66 72 6f 6d SELECT y from
08c0: 20 74 32 20 0a 20 20 20 20 57 48 45 52 45 20 78 t2 . WHERE x
08d0: 20 3d 20 28 53 45 4c 45 43 54 20 73 75 6d 28 62 = (SELECT sum(b
08e0: 29 20 46 52 4f 4d 20 74 31 20 77 68 65 72 65 20 ) FROM t1 where
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0910: 20 74 31 29 0a 20 20 7d 0a 7d 20 7b 38 7d 0a 0a t1). }.} {8}..
0920: 23 20 54 72 79 20 73 6f 6d 65 74 68 69 6e 67 20 # Try something
0930: 75 73 65 66 75 6c 2e 20 20 44 65 6c 65 74 65 20 useful. Delete
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0970: 74 68 61 6e 20 68 61 6c 66 20 6f 66 20 74 68 65 than half of the
0980: 20 6d 61 78 69 6d 75 6d 2e 0a 23 0a 64 6f 5f 74 maximum..#.do_t
0990: 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d 31 2e est subselect-1.
09a0: 36 20 7b 0a 20 20 65 78 65 63 73 71 6c 20 7b 44 6 {. execsql {D
09b0: 45 4c 45 54 45 20 46 52 4f 4d 20 74 32 20 57 48 ELETE FROM t2 WH
09c0: 45 52 45 20 78 20 3c 20 30 2e 35 2a 28 53 45 4c ERE x < 0.5*(SEL
09d0: 45 43 54 20 6d 61 78 28 78 29 20 46 52 4f 4d 20 ECT max(x) FROM
09e0: 74 32 29 7d 0a 20 20 65 78 65 63 73 71 6c 20 7b t2)}. execsql {
09f0: 53 45 4c 45 43 54 20 78 20 46 52 4f 4d 20 74 32 SELECT x FROM t2
0a00: 20 4f 52 44 45 52 20 42 59 20 78 7d 0a 7d 20 7b ORDER BY x}.} {
0a10: 32 20 33 20 34 7d 0a 0a 23 20 4d 61 6b 65 20 73 2 3 4}..# Make s
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0a50: 61 6c 61 72 20 65 78 70 72 65 73 73 69 6f 6e 2e alar expression.
0a60: 0a 23 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 .#.do_test subse
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0ab0: 20 28 53 45 4c 45 43 54 20 61 20 46 52 4f 4d 20 (SELECT a FROM
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0ad0: 53 43 29 0a 20 20 7d 0a 7d 20 7b 31 20 35 7d 0a SC). }.} {1 5}.
0ae0: 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 do_test subselec
0af0: 74 2d 32 2e 32 20 7b 0a 20 20 65 78 65 63 73 71 t-2.2 {. execsq
0b00: 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 54 20 31 l {. SELECT 1
0b10: 20 49 4e 20 28 53 45 4c 45 43 54 20 61 20 46 52 IN (SELECT a FR
0b20: 4f 4d 20 74 31 20 4f 52 44 45 52 20 42 59 20 61 OM t1 ORDER BY a
0b30: 29 3b 0a 20 20 7d 0a 7d 20 7b 31 7d 0a 64 6f 5f );. }.} {1}.do_
0b40: 74 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d 32 test subselect-2
0b50: 2e 33 20 7b 0a 20 20 65 78 65 63 73 71 6c 20 7b .3 {. execsql {
0b60: 0a 20 20 20 20 53 45 4c 45 43 54 20 32 20 49 4e . SELECT 2 IN
0b70: 20 28 53 45 4c 45 43 54 20 61 20 46 52 4f 4d 20 (SELECT a FROM
0b80: 74 31 20 4f 52 44 45 52 20 42 59 20 61 20 44 45 t1 ORDER BY a DE
0b90: 53 43 29 3b 0a 20 20 7d 0a 7d 20 7b 30 7d 0a 0a SC);. }.} {0}..
0ba0: 23 20 56 65 72 69 66 79 20 74 68 61 74 20 74 68 # Verify that th
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0bc0: 65 20 69 73 20 68 6f 6e 6f 72 65 64 20 69 6e 20 e is honored in
0bd0: 61 20 73 75 62 71 75 65 72 79 2e 0a 23 0a 69 66 a subquery..#.if
0be0: 63 61 70 61 62 6c 65 20 63 6f 6d 70 6f 75 6e 64 capable compound
0bf0: 20 7b 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 {.do_test subse
0c00: 6c 65 63 74 2d 33 2e 31 20 7b 0a 20 20 65 78 65 lect-3.1 {. exe
0c10: 63 73 71 6c 20 7b 0a 20 20 20 20 43 52 45 41 54 csql {. CREAT
0c20: 45 20 54 41 42 4c 45 20 74 33 28 78 20 69 6e 74 E TABLE t3(x int
0c30: 29 3b 0a 20 20 20 20 49 4e 53 45 52 54 20 49 4e );. INSERT IN
0c40: 54 4f 20 74 33 20 53 45 4c 45 43 54 20 61 20 46 TO t3 SELECT a F
0c50: 52 4f 4d 20 74 31 20 55 4e 49 4f 4e 20 41 4c 4c ROM t1 UNION ALL
0c60: 20 53 45 4c 45 43 54 20 62 20 46 52 4f 4d 20 74 SELECT b FROM t
0c70: 31 3b 0a 20 20 20 20 53 45 4c 45 43 54 20 2a 20 1;. SELECT *
0c80: 46 52 4f 4d 20 74 33 20 4f 52 44 45 52 20 42 59 FROM t3 ORDER BY
0c90: 20 78 3b 0a 20 20 7d 0a 7d 20 7b 31 20 32 20 33 x;. }.} {1 2 3
0ca0: 20 34 20 35 20 36 7d 0a 7d 20 3b 23 20 69 66 63 4 5 6}.} ;# ifc
0cb0: 61 70 61 62 6c 65 20 63 6f 6d 70 6f 75 6e 64 0a apable compound.
0cc0: 69 66 63 61 70 61 62 6c 65 20 21 63 6f 6d 70 6f ifcapable !compo
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0ce0: 62 73 65 6c 65 63 74 2d 33 2e 31 20 7b 0a 20 20 bselect-3.1 {.
0cf0: 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 43 52 execsql {. CR
0d00: 45 41 54 45 20 54 41 42 4c 45 20 74 33 28 78 20 EATE TABLE t3(x
0d10: 69 6e 74 29 3b 0a 20 20 20 20 49 4e 53 45 52 54 int);. INSERT
0d20: 20 49 4e 54 4f 20 74 33 20 53 45 4c 45 43 54 20 INTO t3 SELECT
0d30: 61 20 46 52 4f 4d 20 74 31 3b 20 0a 20 20 20 20 a FROM t1; .
0d40: 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 33 20 53 INSERT INTO t3 S
0d50: 45 4c 45 43 54 20 62 20 46 52 4f 4d 20 74 31 3b ELECT b FROM t1;
0d60: 0a 20 20 20 20 53 45 4c 45 43 54 20 2a 20 46 52 . SELECT * FR
0d70: 4f 4d 20 74 33 20 4f 52 44 45 52 20 42 59 20 78 OM t3 ORDER BY x
0d80: 3b 0a 20 20 7d 0a 7d 20 7b 31 20 32 20 33 20 34 ;. }.} {1 2 3 4
0d90: 20 35 20 36 7d 0a 7d 20 3b 23 20 69 66 63 61 70 5 6}.} ;# ifcap
0da0: 61 62 6c 65 20 21 63 6f 6d 70 6f 75 6e 64 0a 0a able !compound..
0db0: 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 do_test subselec
0dc0: 74 2d 33 2e 32 20 7b 0a 20 20 65 78 65 63 73 71 t-3.2 {. execsq
0dd0: 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 54 20 73 l {. SELECT s
0de0: 75 6d 28 78 29 20 46 52 4f 4d 20 28 53 45 4c 45 um(x) FROM (SELE
0df0: 43 54 20 78 20 46 52 4f 4d 20 74 33 20 4f 52 44 CT x FROM t3 ORD
0e00: 45 52 20 42 59 20 78 20 4c 49 4d 49 54 20 32 29 ER BY x LIMIT 2)
0e10: 3b 0a 20 20 7d 0a 7d 20 7b 33 7d 0a 64 6f 5f 74 ;. }.} {3}.do_t
0e20: 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d 33 2e est subselect-3.
0e30: 33 20 7b 0a 20 20 65 78 65 63 73 71 6c 20 7b 0a 3 {. execsql {.
0e40: 20 20 20 20 53 45 4c 45 43 54 20 73 75 6d 28 78 SELECT sum(x
0e50: 29 20 46 52 4f 4d 20 28 53 45 4c 45 43 54 20 78 ) FROM (SELECT x
0e60: 20 46 52 4f 4d 20 74 33 20 4f 52 44 45 52 20 42 FROM t3 ORDER B
0e70: 59 20 78 20 44 45 53 43 20 4c 49 4d 49 54 20 32 Y x DESC LIMIT 2
0e80: 29 3b 0a 20 20 7d 0a 7d 20 7b 31 31 7d 0a 64 6f );. }.} {11}.do
0e90: 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 74 2d _test subselect-
0ea0: 33 2e 34 20 7b 0a 20 20 65 78 65 63 73 71 6c 20 3.4 {. execsql
0eb0: 7b 0a 20 20 20 20 53 45 4c 45 43 54 20 28 53 45 {. SELECT (SE
0ec0: 4c 45 43 54 20 78 20 46 52 4f 4d 20 74 33 20 4f LECT x FROM t3 O
0ed0: 52 44 45 52 20 42 59 20 78 29 3b 0a 20 20 7d 0a RDER BY x);. }.
0ee0: 7d 20 7b 31 7d 0a 64 6f 5f 74 65 73 74 20 73 75 } {1}.do_test su
0ef0: 62 73 65 6c 65 63 74 2d 33 2e 35 20 7b 0a 20 20 bselect-3.5 {.
0f00: 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 53 45 execsql {. SE
0f10: 4c 45 43 54 20 28 53 45 4c 45 43 54 20 78 20 46 LECT (SELECT x F
0f20: 52 4f 4d 20 74 33 20 4f 52 44 45 52 20 42 59 20 ROM t3 ORDER BY
0f30: 78 20 44 45 53 43 29 3b 0a 20 20 7d 0a 7d 20 7b x DESC);. }.} {
0f40: 36 7d 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6}.do_test subse
0f50: 6c 65 63 74 2d 33 2e 36 20 7b 0a 20 20 65 78 65 lect-3.6 {. exe
0f60: 63 73 71 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 csql {. SELEC
0f70: 54 20 28 53 45 4c 45 43 54 20 78 20 46 52 4f 4d T (SELECT x FROM
0f80: 20 74 33 20 4f 52 44 45 52 20 42 59 20 78 20 4c t3 ORDER BY x L
0f90: 49 4d 49 54 20 31 29 3b 0a 20 20 7d 0a 7d 20 7b IMIT 1);. }.} {
0fa0: 31 7d 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 1}.do_test subse
0fb0: 6c 65 63 74 2d 33 2e 37 20 7b 0a 20 20 65 78 65 lect-3.7 {. exe
0fc0: 63 73 71 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 csql {. SELEC
0fd0: 54 20 28 53 45 4c 45 43 54 20 78 20 46 52 4f 4d T (SELECT x FROM
0fe0: 20 74 33 20 4f 52 44 45 52 20 42 59 20 78 20 44 t3 ORDER BY x D
0ff0: 45 53 43 20 4c 49 4d 49 54 20 31 29 3b 0a 20 20 ESC LIMIT 1);.
1000: 7d 0a 7d 20 7b 36 7d 0a 64 6f 5f 74 65 73 74 20 }.} {6}.do_test
1010: 73 75 62 73 65 6c 65 63 74 2d 33 2e 38 20 7b 0a subselect-3.8 {.
1020: 20 20 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 execsql {.
1030: 53 45 4c 45 43 54 20 28 53 45 4c 45 43 54 20 78 SELECT (SELECT x
1040: 20 46 52 4f 4d 20 74 33 20 4f 52 44 45 52 20 42 FROM t3 ORDER B
1050: 59 20 78 20 4c 49 4d 49 54 20 31 20 4f 46 46 53 Y x LIMIT 1 OFFS
1060: 45 54 20 32 29 3b 0a 20 20 7d 0a 7d 20 7b 33 7d ET 2);. }.} {3}
1070: 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 .do_test subsele
1080: 63 74 2d 33 2e 39 20 7b 0a 20 20 65 78 65 63 73 ct-3.9 {. execs
1090: 71 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 54 20 ql {. SELECT
10a0: 28 53 45 4c 45 43 54 20 78 20 46 52 4f 4d 20 74 (SELECT x FROM t
10b0: 33 20 4f 52 44 45 52 20 42 59 20 78 20 44 45 53 3 ORDER BY x DES
10c0: 43 20 4c 49 4d 49 54 20 31 20 4f 46 46 53 45 54 C LIMIT 1 OFFSET
10d0: 20 32 29 3b 0a 20 20 7d 0a 7d 20 7b 34 7d 0a 64 2);. }.} {4}.d
10e0: 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 63 74 o_test subselect
10f0: 2d 33 2e 31 30 20 7b 0a 20 20 65 78 65 63 73 71 -3.10 {. execsq
1100: 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 54 20 78 l {. SELECT x
1110: 20 46 52 4f 4d 20 74 33 20 57 48 45 52 45 20 78 FROM t3 WHERE x
1120: 20 49 4e 0a 20 20 20 20 20 20 20 28 53 45 4c 45 IN. (SELE
1130: 43 54 20 78 20 46 52 4f 4d 20 74 33 20 4f 52 44 CT x FROM t3 ORD
1140: 45 52 20 42 59 20 78 20 44 45 53 43 20 4c 49 4d ER BY x DESC LIM
1150: 49 54 20 31 20 4f 46 46 53 45 54 20 32 29 3b 0a IT 1 OFFSET 2);.
1160: 20 20 7d 0a 7d 20 7b 34 7d 0a 0a 23 20 54 69 63 }.} {4}..# Tic
1170: 6b 65 74 20 23 32 32 39 35 2e 0a 23 20 4d 61 6b ket #2295..# Mak
1180: 65 20 73 75 72 65 20 74 79 70 65 20 61 66 66 69 e sure type affi
1190: 6e 69 74 69 65 73 20 77 6f 72 6b 20 63 6f 72 72 nities work corr
11a0: 65 63 74 6c 79 20 6f 6e 20 73 75 62 71 75 65 72 ectly on subquer
11b0: 69 65 73 20 77 69 74 68 0a 23 20 61 6e 20 4f 52 ies with.# an OR
11c0: 44 45 52 20 42 59 20 63 6c 61 75 73 65 2e 0a 23 DER BY clause..#
11d0: 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 6c 65 .do_test subsele
11e0: 63 74 2d 34 2e 31 20 7b 0a 20 20 65 78 65 63 73 ct-4.1 {. execs
11f0: 71 6c 20 7b 0a 20 20 20 20 43 52 45 41 54 45 20 ql {. CREATE
1200: 54 41 42 4c 45 20 74 34 28 61 20 54 45 58 54 2c TABLE t4(a TEXT,
1210: 20 62 20 54 45 58 54 29 3b 0a 20 20 20 20 49 4e b TEXT);. IN
1220: 53 45 52 54 20 49 4e 54 4f 20 74 34 20 56 41 4c SERT INTO t4 VAL
1230: 55 45 53 28 27 61 27 2c 27 31 27 29 3b 0a 20 20 UES('a','1');.
1240: 20 20 49 4e 53 45 52 54 20 49 4e 54 4f 20 74 34 INSERT INTO t4
1250: 20 56 41 4c 55 45 53 28 27 62 27 2c 27 32 27 29 VALUES('b','2')
1260: 3b 0a 20 20 20 20 49 4e 53 45 52 54 20 49 4e 54 ;. INSERT INT
1270: 4f 20 74 34 20 56 41 4c 55 45 53 28 27 63 27 2c O t4 VALUES('c',
1280: 27 33 27 29 3b 0a 20 20 20 20 53 45 4c 45 43 54 '3');. SELECT
1290: 20 61 20 46 52 4f 4d 20 74 34 20 57 48 45 52 45 a FROM t4 WHERE
12a0: 20 62 20 49 4e 20 28 53 45 4c 45 43 54 20 62 20 b IN (SELECT b
12b0: 46 52 4f 4d 20 74 34 20 4f 52 44 45 52 20 42 59 FROM t4 ORDER BY
12c0: 20 62 29 3b 0a 20 20 7d 0a 7d 20 7b 61 20 62 20 b);. }.} {a b
12d0: 63 7d 0a 64 6f 5f 74 65 73 74 20 73 75 62 73 65 c}.do_test subse
12e0: 6c 65 63 74 2d 34 2e 32 20 7b 0a 20 20 65 78 65 lect-4.2 {. exe
12f0: 63 73 71 6c 20 7b 0a 20 20 20 20 53 45 4c 45 43 csql {. SELEC
1300: 54 20 61 20 46 52 4f 4d 20 74 34 20 57 48 45 52 T a FROM t4 WHER
1310: 45 20 62 20 49 4e 20 28 53 45 4c 45 43 54 20 62 E b IN (SELECT b
1320: 20 46 52 4f 4d 20 74 34 20 4f 52 44 45 52 20 42 FROM t4 ORDER B
1330: 59 20 62 20 4c 49 4d 49 54 20 31 29 3b 0a 20 20 Y b LIMIT 1);.
1340: 7d 0a 7d 20 7b 61 7d 0a 64 6f 5f 74 65 73 74 20 }.} {a}.do_test
1350: 73 75 62 73 65 6c 65 63 74 2d 34 2e 33 20 7b 0a subselect-4.3 {.
1360: 20 20 65 78 65 63 73 71 6c 20 7b 0a 20 20 20 20 execsql {.
1370: 53 45 4c 45 43 54 20 61 20 46 52 4f 4d 20 74 34 SELECT a FROM t4
1380: 20 57 48 45 52 45 20 62 20 49 4e 20 28 53 45 4c WHERE b IN (SEL
1390: 45 43 54 20 62 20 46 52 4f 4d 20 74 34 20 4f 52 ECT b FROM t4 OR
13a0: 44 45 52 20 42 59 20 62 20 44 45 53 43 20 4c 49 DER BY b DESC LI
13b0: 4d 49 54 20 31 29 3b 0a 20 20 7d 0a 7d 20 7b 63 MIT 1);. }.} {c
13c0: 7d 0a 0a 66 69 6e 69 73 68 5f 74 65 73 74 0a }..finish_test.