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author | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:43:01 -0400 |
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committer | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:43:01 -0400 |
commit | 4228998fd796fa2f9e84fb73632e0a07cc7cd188 (patch) | |
tree | 15b2336f351468fedd0c39e9de4ad905a686f3b0 /test/selectE.test | |
parent | bdee7cf7d974b2f70d5934786c5666006e7360be (diff) | |
parent | 08119c361d1181b3e8f1abb429236e488a664753 (diff) |
Merge tag 'upstream/2.2.1'
Upstream version 2.2.1
# gpg: Signature made Tue 13 Aug 2013 03:42:56 PM EDT using RSA key ID 374BBE81
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# gpg: aka "Hans-Christoph Steiner <hs420@nyu.edu>"
# gpg: aka "Hans-Christoph Steiner <hans@eds.org>"
# gpg: aka "Hans-Christoph Steiner <hans@guardianproject.info>"
# gpg: aka "Hans-Christoph Steiner <hansi@nyu.edu>"
# gpg: aka "Hans-Christoph Steiner <hans@guardianproject.info>"
Diffstat (limited to 'test/selectE.test')
-rw-r--r-- | test/selectE.test | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/test/selectE.test b/test/selectE.test new file mode 100644 index 0000000..d7592bb --- /dev/null +++ b/test/selectE.test @@ -0,0 +1,95 @@ +# 2013-05-07 +# +# 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 compound SELECT statements +# that have ORDER BY clauses with collating sequences that differ +# from the collating sequence used for comparison in the compound. +# +# Ticket 6709574d2a8d8b9be3a9cb1afbf4ff2de48ea4e7: +# drh added on 2013-05-06 15:21:16: +# +# In the code shown below (which is intended to be run from the +# sqlite3.exe command-line tool) the three SELECT statements should all +# generate the same answer. But the third one does not. It is as if the +# COLLATE clause on the ORDER BY somehow got pulled into the EXCEPT +# operator. Note that the ".print" commands are instructions to the +# sqlite3.exe shell program to output delimiter lines so that you can more +# easily tell where the output of one query ends and the next query +# begins. +# +# CREATE TABLE t1(a); +# INSERT INTO t1 VALUES('abc'),('def'); +# CREATE TABLE t2(a); +# INSERT INTO t2 VALUES('DEF'); +# +# SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a; +# .print ----- +# SELECT a FROM (SELECT a FROM t1 EXCEPT SELECT a FROM t2) +# ORDER BY a COLLATE nocase; +# .print ----- +# SELECT a FROM t1 EXCEPT SELECT a FROM t2 ORDER BY a COLLATE nocase; +# +# Bisecting shows that this problem was introduced in SQLite version 3.6.0 +# by check-in [8bbfa97837a74ef] on 2008-06-15. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +do_test selectE-1.0 { + db eval { + CREATE TABLE t1(a); + INSERT INTO t1 VALUES('abc'),('def'),('ghi'); + CREATE TABLE t2(a); + INSERT INTO t2 VALUES('DEF'),('abc'); + CREATE TABLE t3(a); + INSERT INTO t3 VALUES('def'),('jkl'); + + SELECT a FROM t1 EXCEPT SELECT a FROM t2 + ORDER BY a COLLATE nocase; + } +} {def ghi} +do_test selectE-1.1 { + db eval { + SELECT a FROM t2 EXCEPT SELECT a FROM t3 + ORDER BY a COLLATE nocase; + } +} {abc DEF} +do_test selectE-1.2 { + db eval { + SELECT a FROM t2 EXCEPT SELECT a FROM t3 + ORDER BY a COLLATE binary; + } +} {DEF abc} +do_test selectE-1.3 { + db eval { + SELECT a FROM t2 EXCEPT SELECT a FROM t3 + ORDER BY a; + } +} {DEF abc} + +do_test selectE-2.1 { + db eval { + DELETE FROM t2; + DELETE FROM t3; + INSERT INTO t2 VALUES('ABC'),('def'),('GHI'),('jkl'); + INSERT INTO t3 SELECT lower(a) FROM t2; + SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 + ORDER BY 1 + } +} {} +do_test selectE-2.2 { + db eval { + SELECT a COLLATE nocase FROM t2 EXCEPT SELECT a FROM t3 + ORDER BY 1 COLLATE binary + } +} {} + +finish_test |