xref: /sqlite-3.40.0/test/collate8.test (revision 2308ed38) 
1#
2# 2007 June 20
3#
4# The author disclaims copyright to this source code.  In place of
5# a legal notice, here is a blessing:
6#
7#    May you do good and not evil.
8#    May you find forgiveness for yourself and forgive others.
9#    May you share freely, never taking more than you give.
10#
11#***********************************************************************
12# This file implements regression tests for SQLite library.  The
13# focus of this script is making sure collations pass through the
14# unary + operator.
15#
16# 2015-02-09:  Added tests to make sure COLLATE passes through function
17# calls.  Ticket [ca0d20b6cdddec5e81b8d66f89c46a5583b5f6f6].
18#
19
20set testdir [file dirname $argv0]
21source $testdir/tester.tcl
22
23do_test collate8-1.1 {
24  execsql {
25    CREATE TABLE t1(a TEXT COLLATE nocase);
26    INSERT INTO t1 VALUES('aaa');
27    INSERT INTO t1 VALUES('BBB');
28    INSERT INTO t1 VALUES('ccc');
29    INSERT INTO t1 VALUES('DDD');
30    SELECT a FROM t1 ORDER BY a;
31  }
32} {aaa BBB ccc DDD}
33do_test collate8-1.2 {
34  execsql {
35    SELECT rowid FROM t1 WHERE a<'ccc' ORDER BY 1
36  }
37} {1 2}
38do_test collate8-1.3 {
39  execsql {
40    SELECT rowid FROM t1 WHERE a<'ccc' COLLATE binary ORDER BY 1
41  }
42} {1 2 4}
43do_test collate8-1.4 {
44  execsql {
45    SELECT rowid FROM t1 WHERE +a<'ccc' ORDER BY 1
46  }
47} {1 2}
48do_test collate8-1.5 {
49  execsql {
50    SELECT a FROM t1 ORDER BY +a
51  }
52} {aaa BBB ccc DDD}
53do_test collate8-1.11 {
54  execsql {
55    SELECT a AS x FROM t1 ORDER BY "x";
56  }
57} {aaa BBB ccc DDD}
58do_test collate8-1.12 {
59  execsql {
60    SELECT a AS x FROM t1 WHERE x<'ccc' ORDER BY 1
61  }
62} {aaa BBB}
63do_test collate8-1.13 {
64  execsql {
65    SELECT a AS x FROM t1 WHERE x<'ccc' COLLATE binary ORDER BY [x]
66  }
67} {aaa BBB DDD}
68do_test collate8-1.14 {
69  execsql {
70    SELECT a AS x FROM t1 WHERE +x<'ccc' ORDER BY 1
71  }
72} {aaa BBB}
73do_test collate8-1.15 {
74  execsql {
75    SELECT a AS x FROM t1 ORDER BY +x
76  }
77} {aaa BBB ccc DDD}
78
79
80# When a result-set column is aliased into a WHERE clause, make sure the
81# collating sequence logic works correctly.
82#
83do_test collate8-2.1 {
84  execsql {
85    CREATE TABLE t2(a);
86    INSERT INTO t2 VALUES('abc');
87    INSERT INTO t2 VALUES('ABC');
88    SELECT a AS x FROM t2 WHERE x='abc';
89  }
90} {abc}
91do_test collate8-2.2 {
92  execsql {
93    SELECT a AS x FROM t2 WHERE x='abc' COLLATE nocase;
94  }
95} {abc ABC}
96do_test collate8-2.3 {
97  execsql {
98    SELECT a AS x FROM t2 WHERE (x COLLATE nocase)='abc';
99  }
100} {abc ABC}
101do_test collate8-2.4 {
102  execsql {
103    SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc';
104  }
105} {abc ABC}
106do_test collate8-2.5 {
107  execsql {
108    SELECT a COLLATE nocase AS x FROM t2 WHERE (x COLLATE binary)='abc';
109  }
110} {abc}
111do_test collate8-2.6 {
112  execsql {
113    SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc' COLLATE binary;
114  }
115} {abc ABC}
116do_test collate8-2.7 {
117  execsql {
118    SELECT * FROM t2 WHERE (a COLLATE nocase)='abc' COLLATE binary;
119  }
120} {abc ABC}
121do_test collate8-2.8 {
122  execsql {
123    SELECT a COLLATE nocase AS x FROM t2 WHERE 'abc'=x COLLATE binary;
124  }
125} {abc}
126
127# Make sure the COLLATE operator perculates up through function calls
128# and other Expr structures that use the Expr.x.pList field.
129#
130do_execsql_test collate8-3.1 {
131  SELECT 'abc'==('ABC'||'') COLLATE nocase;
132  SELECT 'abc'==('ABC'||'' COLLATE nocase);
133  SELECT 'abc'==('ABC'||('' COLLATE nocase));
134  SELECT 'abc'==('ABC'||upper('' COLLATE nocase));
135} {1 1 1 1}
136do_execsql_test collate8-3.2 {
137  SELECT 'abc'==('ABC'||max('' COLLATE nocase,'' COLLATE binary));
138} {1}
139
140# The COLLATE binary is on the left and so takes precedence
141do_execsql_test collate8-3.3 {
142  SELECT 'abc'==('ABC'||max('' COLLATE binary,'' COLLATE nocase));
143} {0}
144
145do_execsql_test collate8-3.4 {
146  SELECT 'abc'==('ABC'||CASE WHEN 1-1=2 THEN '' COLLATE nocase
147                                        ELSE '' COLLATE binary END);
148  SELECT 'abc'==('ABC'||CASE WHEN 1+1=2 THEN '' COLLATE nocase
149                                        ELSE '' COLLATE binary END);
150} {1 1}
151do_execsql_test collate8-3.5 {
152  SELECT 'abc'==('ABC'||CASE WHEN 1=2 THEN '' COLLATE binary
153                                      ELSE '' COLLATE nocase END);
154} {0}
155
156
157finish_test
158