Annotation of embedaddon/sqlite3/test/select7.test, revision 1.1.1.1
1.1 misho 1: # The author disclaims copyright to this source code. In place of
2: # a legal notice, here is a blessing:
3: #
4: # May you do good and not evil.
5: # May you find forgiveness for yourself and forgive others.
6: # May you share freely, never taking more than you give.
7: #
8: #***********************************************************************
9: # This file implements regression tests for SQLite library. The
10: # focus of this file is testing compute SELECT statements and nested
11: # views.
12: #
13: # $Id: select7.test,v 1.11 2007/09/12 17:01:45 danielk1977 Exp $
14:
15:
16: set testdir [file dirname $argv0]
17: source $testdir/tester.tcl
18:
19: ifcapable compound {
20:
21: # A 3-way INTERSECT. Ticket #875
22: ifcapable tempdb {
23: do_test select7-1.1 {
24: execsql {
25: create temp table t1(x);
26: insert into t1 values('amx');
27: insert into t1 values('anx');
28: insert into t1 values('amy');
29: insert into t1 values('bmy');
30: select * from t1 where x like 'a__'
31: intersect select * from t1 where x like '_m_'
32: intersect select * from t1 where x like '__x';
33: }
34: } {amx}
35: }
36:
37:
38: # Nested views do not handle * properly. Ticket #826.
39: #
40: ifcapable view {
41: do_test select7-2.1 {
42: execsql {
43: CREATE TABLE x(id integer primary key, a TEXT NULL);
44: INSERT INTO x (a) VALUES ('first');
45: CREATE TABLE tempx(id integer primary key, a TEXT NULL);
46: INSERT INTO tempx (a) VALUES ('t-first');
47: CREATE VIEW tv1 AS SELECT x.id, tx.id FROM x JOIN tempx tx ON tx.id=x.id;
48: CREATE VIEW tv1b AS SELECT x.id, tx.id FROM x JOIN tempx tx on tx.id=x.id;
49: CREATE VIEW tv2 AS SELECT * FROM tv1 UNION SELECT * FROM tv1b;
50: SELECT * FROM tv2;
51: }
52: } {1 1}
53: } ;# ifcapable view
54:
55: } ;# ifcapable compound
56:
57: # Do not allow GROUP BY without an aggregate. Ticket #1039.
58: #
59: # Change: force any query with a GROUP BY clause to be processed as
60: # an aggregate query, whether it contains aggregates or not.
61: #
62: ifcapable subquery {
63: # do_test select7-3.1 {
64: # catchsql {
65: # SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name
66: # }
67: # } {1 {GROUP BY may only be used on aggregate queries}}
68: do_test select7-3.1 {
69: catchsql {
70: SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name
71: }
72: } [list 0 [execsql {SELECT * FROM sqlite_master ORDER BY name}]]
73: }
74:
75: # Ticket #2018 - Make sure names are resolved correctly on all
76: # SELECT statements of a compound subquery.
77: #
78: ifcapable {subquery && compound} {
79: do_test select7-4.1 {
80: execsql {
81: CREATE TABLE IF NOT EXISTS photo(pk integer primary key, x);
82: CREATE TABLE IF NOT EXISTS tag(pk integer primary key, fk int, name);
83:
84: SELECT P.pk from PHOTO P WHERE NOT EXISTS (
85: SELECT T2.pk from TAG T2 WHERE T2.fk = P.pk
86: EXCEPT
87: SELECT T3.pk from TAG T3 WHERE T3.fk = P.pk AND T3.name LIKE '%foo%'
88: );
89: }
90: } {}
91: do_test select7-4.2 {
92: execsql {
93: INSERT INTO photo VALUES(1,1);
94: INSERT INTO photo VALUES(2,2);
95: INSERT INTO photo VALUES(3,3);
96: INSERT INTO tag VALUES(11,1,'one');
97: INSERT INTO tag VALUES(12,1,'two');
98: INSERT INTO tag VALUES(21,1,'one-b');
99: SELECT P.pk from PHOTO P WHERE NOT EXISTS (
100: SELECT T2.pk from TAG T2 WHERE T2.fk = P.pk
101: EXCEPT
102: SELECT T3.pk from TAG T3 WHERE T3.fk = P.pk AND T3.name LIKE '%foo%'
103: );
104: }
105: } {2 3}
106: }
107:
108: # ticket #2347
109: #
110: ifcapable {subquery && compound} {
111: do_test select7-5.1 {
112: catchsql {
113: CREATE TABLE t2(a,b);
114: SELECT 5 IN (SELECT a,b FROM t2);
115: }
116: } [list 1 \
117: {only a single result allowed for a SELECT that is part of an expression}]
118: do_test select7-5.2 {
119: catchsql {
120: SELECT 5 IN (SELECT * FROM t2);
121: }
122: } [list 1 \
123: {only a single result allowed for a SELECT that is part of an expression}]
124: do_test select7-5.3 {
125: catchsql {
126: SELECT 5 IN (SELECT a,b FROM t2 UNION SELECT b,a FROM t2);
127: }
128: } [list 1 \
129: {only a single result allowed for a SELECT that is part of an expression}]
130: do_test select7-5.4 {
131: catchsql {
132: SELECT 5 IN (SELECT * FROM t2 UNION SELECT * FROM t2);
133: }
134: } [list 1 \
135: {only a single result allowed for a SELECT that is part of an expression}]
136: }
137:
138: # Verify that an error occurs if you have too many terms on a
139: # compound select statement.
140: #
141: ifcapable compound {
142: if {$SQLITE_MAX_COMPOUND_SELECT>0} {
143: set sql {SELECT 0}
144: set result 0
145: for {set i 1} {$i<$SQLITE_MAX_COMPOUND_SELECT} {incr i} {
146: append sql " UNION ALL SELECT $i"
147: lappend result $i
148: }
149: do_test select7-6.1 {
150: catchsql $sql
151: } [list 0 $result]
152: append sql { UNION ALL SELECT 99999999}
153: do_test select7-6.2 {
154: catchsql $sql
155: } {1 {too many terms in compound SELECT}}
156: }
157: }
158:
159: # This block of tests verifies that bug aa92c76cd4 is fixed.
160: #
161: do_test select7-7.1 {
162: execsql {
163: CREATE TABLE t3(a REAL);
164: INSERT INTO t3 VALUES(44.0);
165: INSERT INTO t3 VALUES(56.0);
166: }
167: } {}
168: do_test select7-7.2 {
169: execsql {
170: pragma vdbe_trace = 0;
171: SELECT (CASE WHEN a=0 THEN 0 ELSE (a + 25) / 50 END) AS categ, count(*)
172: FROM t3 GROUP BY categ
173: }
174: } {1.38 1 1.62 1}
175: do_test select7-7.3 {
176: execsql {
177: CREATE TABLE t4(a REAL);
178: INSERT INTO t4 VALUES( 2.0 );
179: INSERT INTO t4 VALUES( 3.0 );
180: }
181: } {}
182: do_test select7-7.4 {
183: execsql {
184: SELECT (CASE WHEN a=0 THEN 'zero' ELSE a/2 END) AS t FROM t4 GROUP BY t;
185: }
186: } {1.0 1.5}
187: do_test select7-7.5 {
188: execsql { SELECT a=0, typeof(a) FROM t4 }
189: } {0 real 0 real}
190: do_test select7-7.6 {
191: execsql { SELECT a=0, typeof(a) FROM t4 GROUP BY a }
192: } {0 real 0 real}
193:
194: do_test select7-7.7 {
195: execsql {
196: CREATE TABLE t5(a TEXT, b INT);
197: INSERT INTO t5 VALUES(123, 456);
198: SELECT typeof(a), a FROM t5 GROUP BY a HAVING a<b;
199: }
200: } {text 123}
201:
202: finish_test
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to select7.test CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test