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Previous check-in is not quite correct. "x IN (?)" is not exactly the same

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as "x==?" do to collation and affinity issues.  The correct converstion should
be to "x==(+? COLLATE binary)".  The current check-in fixes this problem and
provides test cases.  Ticket [e39d032577df69]

FossilOrigin-Name: 2ff3b25f40fd117c8a2da1d1a3625f6b167b7b16
This commit is contained in:
drh
2014-03-20 14:56:47 +00:00
parent 2b59b3a4c8
commit 0a8d14261c
4 changed files with 72 additions and 11 deletions
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59
test/in4.test
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@ -245,6 +245,65 @@ do_execsql_test in4-3.48 {
SELECT * FROM t3 WHERE x NOT IN (10);
} {~/OpenEphemeral/}
# Make sure that when "x IN (?)" is converted into "x==?" that collating
# sequence and affinity computations do not get messed up.
#
do_execsql_test in4-4.1 {
CREATE TABLE t4a(a TEXT, b TEXT COLLATE nocase, c);
INSERT INTO t4a VALUES('ABC','abc',1);
INSERT INTO t4a VALUES('def','xyz',2);
INSERT INTO t4a VALUES('ghi','ghi',3);
SELECT c FROM t4a WHERE a=b ORDER BY c;
} {3}
do_execsql_test in4-4.2 {
SELECT c FROM t4a WHERE b=a ORDER BY c;
} {1 3}
do_execsql_test in4-4.3 {
SELECT c FROM t4a WHERE (a||'')=b ORDER BY c;
} {1 3}
do_execsql_test in4-4.4 {
SELECT c FROM t4a WHERE (a||'')=(b||'') ORDER BY c;
} {3}
do_execsql_test in4-4.5 {
SELECT c FROM t4a WHERE a IN (b) ORDER BY c;
} {3}
do_execsql_test in4-4.6 {
SELECT c FROM t4a WHERE (a||'') IN (b) ORDER BY c;
} {3}
do_execsql_test in4-4.11 {
CREATE TABLE t4b(a TEXT, b NUMERIC, c);
INSERT INTO t4b VALUES('1.0',1,4);
SELECT c FROM t4b WHERE a=b;
} {4}
do_execsql_test in4-4.12 {
SELECT c FROM t4b WHERE b=a;
} {4}
do_execsql_test in4-4.13 {
SELECT c FROM t4b WHERE +a=b;
} {4}
do_execsql_test in4-4.14 {
SELECT c FROM t4b WHERE a=+b;
} {}
do_execsql_test in4-4.15 {
SELECT c FROM t4b WHERE +b=a;
} {}
do_execsql_test in4-4.16 {
SELECT c FROM t4b WHERE b=+a;
} {4}
do_execsql_test in4-4.17 {
SELECT c FROM t4b WHERE a IN (b);
} {}
do_execsql_test in4-4.18 {
SELECT c FROM t4b WHERE b IN (a);
} {4}
do_execsql_test in4-4.19 {
SELECT c FROM t4b WHERE +b IN (a);
} {}
finish_test