Annotation of embedaddon/sqlite3/test/select2.test, revision 1.1.1.1
1.1 misho 1: # 2001 September 15
2: #
3: # The author disclaims copyright to this source code. In place of
4: # a legal notice, here is a blessing:
5: #
6: # May you do good and not evil.
7: # May you find forgiveness for yourself and forgive others.
8: # May you share freely, never taking more than you give.
9: #
10: #***********************************************************************
11: # This file implements regression tests for SQLite library. The
12: # focus of this file is testing the SELECT statement.
13: #
14: # $Id: select2.test,v 1.28 2009/01/15 15:23:59 drh Exp $
15:
16: set testdir [file dirname $argv0]
17: source $testdir/tester.tcl
18:
19: # Create a table with some data
20: #
21: execsql {CREATE TABLE tbl1(f1 int, f2 int)}
22: execsql {BEGIN}
23: for {set i 0} {$i<=30} {incr i} {
24: execsql "INSERT INTO tbl1 VALUES([expr {$i%9}],[expr {$i%10}])"
25: }
26: execsql {COMMIT}
27:
28: # Do a second query inside a first.
29: #
30: do_test select2-1.1 {
31: set sql {SELECT DISTINCT f1 FROM tbl1 ORDER BY f1}
32: set r {}
33: catch {unset data}
34: db eval $sql data {
35: set f1 $data(f1)
36: lappend r $f1:
37: set sql2 "SELECT f2 FROM tbl1 WHERE f1=$f1 ORDER BY f2"
38: db eval $sql2 d2 {
39: lappend r $d2(f2)
40: }
41: }
42: set r
43: } {0: 0 7 8 9 1: 0 1 8 9 2: 0 1 2 9 3: 0 1 2 3 4: 2 3 4 5: 3 4 5 6: 4 5 6 7: 5 6 7 8: 6 7 8}
44:
45: do_test select2-1.2 {
46: set sql {SELECT DISTINCT f1 FROM tbl1 WHERE f1>3 AND f1<5}
47: set r {}
48: db eval $sql data {
49: set f1 $data(f1)
50: lappend r $f1:
51: set sql2 "SELECT f2 FROM tbl1 WHERE f1=$f1 ORDER BY f2"
52: db eval $sql2 d2 {
53: lappend r $d2(f2)
54: }
55: }
56: set r
57: } {4: 2 3 4}
58: unset data
59:
60: # Create a largish table. Do this twice, once using the TCL cache and once
61: # without. Compare the performance to make sure things go faster with the
62: # cache turned on.
63: #
64: ifcapable tclvar {
65: do_test select2-2.0.1 {
66: set t1 [time {
67: execsql {CREATE TABLE tbl2(f1 int, f2 int, f3 int); BEGIN;}
68: for {set i 1} {$i<=30000} {incr i} {
69: set i2 [expr {$i*2}]
70: set i3 [expr {$i*3}]
71: db eval {INSERT INTO tbl2 VALUES($i,$i2,$i3)}
72: }
73: execsql {COMMIT}
74: }]
75: list
76: } {}
77: puts "time with cache: $::t1"
78: }
79: catch {execsql {DROP TABLE tbl2}}
80: do_test select2-2.0.2 {
81: set t2 [time {
82: execsql {CREATE TABLE tbl2(f1 int, f2 int, f3 int); BEGIN;}
83: for {set i 1} {$i<=30000} {incr i} {
84: set i2 [expr {$i*2}]
85: set i3 [expr {$i*3}]
86: execsql "INSERT INTO tbl2 VALUES($i,$i2,$i3)"
87: }
88: execsql {COMMIT}
89: }]
90: list
91: } {}
92: puts "time without cache: $t2"
93: #ifcapable tclvar {
94: # do_test select2-2.0.3 {
95: # expr {[lindex $t1 0]<[lindex $t2 0]}
96: # } 1
97: #}
98:
99: do_test select2-2.1 {
100: execsql {SELECT count(*) FROM tbl2}
101: } {30000}
102: do_test select2-2.2 {
103: execsql {SELECT count(*) FROM tbl2 WHERE f2>1000}
104: } {29500}
105:
106: do_test select2-3.1 {
107: execsql {SELECT f1 FROM tbl2 WHERE 1000=f2}
108: } {500}
109:
110: do_test select2-3.2a {
111: execsql {CREATE INDEX idx1 ON tbl2(f2)}
112: } {}
113: do_test select2-3.2b {
114: execsql {SELECT f1 FROM tbl2 WHERE 1000=f2}
115: } {500}
116: do_test select2-3.2c {
117: execsql {SELECT f1 FROM tbl2 WHERE f2=1000}
118: } {500}
119: do_test select2-3.2d {
120: set sqlite_search_count 0
121: execsql {SELECT * FROM tbl2 WHERE 1000=f2}
122: set sqlite_search_count
123: } {3}
124: do_test select2-3.2e {
125: set sqlite_search_count 0
126: execsql {SELECT * FROM tbl2 WHERE f2=1000}
127: set sqlite_search_count
128: } {3}
129:
130: # Make sure queries run faster with an index than without
131: #
132: do_test select2-3.3 {
133: execsql {DROP INDEX idx1}
134: set sqlite_search_count 0
135: execsql {SELECT f1 FROM tbl2 WHERE f2==2000}
136: set sqlite_search_count
137: } {29999}
138:
139: # Make sure we can optimize functions in the WHERE clause that
140: # use fields from two or more different table. (Bug #6)
141: #
142: do_test select2-4.1 {
143: execsql {
144: CREATE TABLE aa(a);
145: CREATE TABLE bb(b);
146: INSERT INTO aa VALUES(1);
147: INSERT INTO aa VALUES(3);
148: INSERT INTO bb VALUES(2);
149: INSERT INTO bb VALUES(4);
150: SELECT * FROM aa, bb WHERE max(a,b)>2;
151: }
152: } {1 4 3 2 3 4}
153: do_test select2-4.2 {
154: execsql {
155: INSERT INTO bb VALUES(0);
156: SELECT * FROM aa CROSS JOIN bb WHERE b;
157: }
158: } {1 2 1 4 3 2 3 4}
159: do_test select2-4.3 {
160: execsql {
161: SELECT * FROM aa CROSS JOIN bb WHERE NOT b;
162: }
163: } {1 0 3 0}
164: do_test select2-4.4 {
165: execsql {
166: SELECT * FROM aa, bb WHERE min(a,b);
167: }
168: } {1 2 1 4 3 2 3 4}
169: do_test select2-4.5 {
170: execsql {
171: SELECT * FROM aa, bb WHERE NOT min(a,b);
172: }
173: } {1 0 3 0}
174: do_test select2-4.6 {
175: execsql {
176: SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 1 END;
177: }
178: } {1 2 3 4}
179: do_test select2-4.7 {
180: execsql {
181: SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 0 ELSE 1 END;
182: }
183: } {1 4 1 0 3 2 3 0}
184:
185: finish_test
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to select2.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