1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
#!/usr/bin/env tarantool
test = require("sqltester")
test:plan(118)
--!./tcltestrunner.lua
-- 2008 April 1
--
-- 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.
--
-------------------------------------------------------------------------
--
-- Test cases designed to exercise and verify the logic for
-- factoring constant expressions out of loops and for
-- common subexpression eliminations.
--
-- $Id: cse.test,v 1.6 2008/08/04 03:51:24 danielk1977 Exp $
--
-- ["set","testdir",[["file","dirname",["argv0"]]]]
-- ["source",[["testdir"],"\/tester.tcl"]]
test:do_test(
"cse-1.1",
function()
test:execsql [[
CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT , c INT , d INT , e INT , f INT );
INSERT INTO t1 VALUES(1,11,12,13,14,15);
INSERT INTO t1 VALUES(2,21,22,23,24,25);
]]
return test:execsql [[
SELECT b, -b, ~b, NOT CAST(b AS BOOLEAN), NOT NOT CAST(b AS BOOLEAN), b-b, b+b, b*b, b/b, b FROM t1
]]
end, {
-- <cse-1.1>
11, -11, -12, false, true, 0, 22, 121, 1, 11, 21, -21, -22, false, true, 0, 42, 441, 1, 21
-- </cse-1.1>
})
test:do_execsql_test(
"cse-1.2",
[[
SELECT b, b%b, b==b, b!=b, b<b, b<=b, b IS NULL, b IS NOT NULL, b FROM t1
]], {
-- <cse-1.2>
11, 0, true, false, false, true, false, true, 11, 21, 0, true, false, false, true, false, true, 21
-- </cse-1.2>
})
test:do_execsql_test(
"cse-1.3",
[[
SELECT b, abs(b), coalesce(b,-b,NOT b,c,NOT c), c, -c FROM t1;
]], {
-- <cse-1.3>
11, 11, 11, 12, -12, 21, 21, 21, 22, -22
-- </cse-1.3>
})
test:do_execsql_test(
"cse-1.4",
[[
SELECT CASE WHEN a==1 THEN b ELSE c END, b, c FROM t1
]], {
-- <cse-1.4>
11, 11, 12, 22, 21, 22
-- </cse-1.4>
})
test:do_execsql_test(
"cse-1.5",
[[
SELECT CASE a WHEN 1 THEN b WHEN 2 THEN c ELSE d END, b, c, d FROM t1
]], {
-- <cse-1.5>
11, 11, 12, 13, 22, 21, 22, 23
-- </cse-1.5>
})
test:do_execsql_test(
"cse-1.6.1",
[[
SELECT CASE b WHEN 11 THEN -b WHEN 21 THEN -c ELSE -d END, b, c, d FROM t1
]], {
-- <cse-1.6.1>
-11, 11, 12, 13, -22, 21, 22, 23
-- </cse-1.6.1>
})
test:do_execsql_test(
"cse-1.6.2",
[[
SELECT CASE b+1 WHEN c THEN d WHEN e THEN f ELSE 999 END, b, c, d FROM t1
]], {
-- <cse-1.6.2>
13, 11, 12, 13, 23, 21, 22, 23
-- </cse-1.6.2>
})
test:do_execsql_test(
"cse-1.6.3",
[[
SELECT CASE WHEN CAST(b AS BOOLEAN) THEN d WHEN CAST(e AS BOOLEAN) THEN f ELSE 999 END, b, c, d FROM t1
]], {
-- <cse-1.6.3>
13, 11, 12, 13, 23, 21, 22, 23
-- </cse-1.6.3>
})
test:do_execsql_test(
"cse-1.6.4",
[[
SELECT b, c, d, CASE WHEN CAST(b AS BOOLEAN) THEN d WHEN CAST(e AS BOOLEAN) THEN f ELSE 999 END FROM t1
]], {
-- <cse-1.6.4>
11, 12, 13, 13, 21, 22, 23, 23
-- </cse-1.6.4>
})
test:do_execsql_test(
"cse-1.6.5",
[[
SELECT b, c, d, CASE WHEN false THEN d WHEN CAST(e AS BOOLEAN) THEN f ELSE 999 END FROM t1
]], {
-- <cse-1.6.5>
11, 12, 13, 15, 21, 22, 23, 25
-- </cse-1.6.5>
})
test:do_execsql_test(
"cse-1.7",
[[
SELECT a, -a, ~a, NOT CAST(a AS BOOLEAN), NOT NOT CAST(a AS BOOLEAN), a-a, a+a, a*a, a/a, a FROM t1
]], {
-- <cse-1.7>
1, -1 ,-2, false, true, 0, 2, 1, 1, 1, 2, -2, -3, false, true, 0, 4, 4, 1, 2
-- </cse-1.7>
})
test:do_execsql_test(
"cse-1.8",
[[
SELECT a, a%a, a==a, a!=a, a<a, a<=a, a IS NULL, a IS NOT NULL, a FROM t1
]], {
-- <cse-1.8>
1, 0, true, false, false, true, false, true, 1, 2, 0, true, false, false, true, false, true, 2
-- </cse-1.8>
})
test:do_execsql_test(
"cse-1.9",
[[
SELECT NOT CAST(b AS BOOLEAN), ~b, NOT NOT CAST(b AS BOOLEAN), b FROM t1
]], {
-- <cse-1.9>
false, -12, true, 11, false, -22, true, 21
-- </cse-1.9>
})
test:do_execsql_test(
"cse-1.10",
[[
SELECT CAST(b AS integer), typeof(b), CAST(b AS text), typeof(b) FROM t1
]], {
-- <cse-1.10>
11, "integer", "11", "integer", 21, "integer", "21", "integer"
-- </cse-1.10>
})
test:do_execsql_test(
"cse-1.11",
[[
SELECT *,* FROM t1 WHERE a=2
UNION ALL
SELECT *,* FROM t1 WHERE a=1
]], {
-- <cse-1.11>
2, 21, 22, 23, 24, 25, 2, 21, 22, 23, 24, 25, 1, 11, 12, 13, 14, 15, 1, 11, 12, 13, 14, 15
-- </cse-1.11>
})
test:do_execsql_test(
"cse-1.12",
[[
SELECT coalesce(b,c,d,e), a, b, c, d, e FROM t1 WHERE a=2
UNION ALL
SELECT coalesce(e,d,c,b), e, d, c, b, a FROM t1 WHERE a=1
]], {
-- <cse-1.12>
21, 2, 21, 22, 23, 24, 14, 14, 13, 12, 11, 1
-- </cse-1.12>
})
test:do_execsql_test(
"cse-1.13",
[[
SELECT upper(b), typeof(b), b FROM t1
]], {
-- <cse-1.13>
"11", "integer", 11, "21", "integer", 21
-- </cse-1.13>
})
test:do_execsql_test(
"cse-1.14",
[[
SELECT b, typeof(b), upper(b), typeof(b), b FROM t1
]], {
-- <cse-1.14>
11, "integer", "11", "integer", 11, 21, "integer", "21", "integer", 21
-- </cse-1.14>
})
-- Overflow the column cache. Create queries involving more and more
-- columns until the cache overflows. Verify correct operation throughout.
--
test:do_execsql_test(
"cse-2.1",
[[
CREATE TABLE t2(a0 INT PRIMARY KEY,a1 INT ,a2 INT ,a3 INT ,a4 INT ,a5 INT ,a6 INT ,a7 INT ,a8 INT ,a9 INT ,
a10 INT ,a11 INT ,a12 INT ,a13 INT ,a14 INT ,a15 INT ,a16 INT ,a17 INT ,a18 INT ,a19 INT ,
a20 INT ,a21 INT ,a22 INT ,a23 INT ,a24 INT ,a25 INT ,a26 INT ,a27 INT ,a28 INT ,a29 INT ,
a30 INT ,a31 INT ,a32 INT ,a33 INT ,a34 INT ,a35 INT ,a36 INT ,a37 INT ,a38 INT ,a39 INT ,
a40 INT ,a41 INT ,a42 INT ,a43 INT ,a44 INT ,a45 INT ,a46 INT ,a47 INT ,a48 INT ,a49 INT );
INSERT INTO t2 VALUES(0,1,2,3,4,5,6,7,8,9,
10,11,12,13,14,15,16,17,18,19,
20,21,22,23,24,25,26,27,28,29,
30,31,32,33,34,35,36,37,38,39,
40,41,42,43,44,45,46,47,48,49);
SELECT * FROM t2;
]], {
-- <cse-2.1>
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49
-- </cse-2.1>
})
for i = 1, 99, 1 do
local n = (math.floor((math.random() * 44)) + 5)
local colset = {}
local answer = {}
for j = 0, n, 1 do
local r = (j + math.floor((math.random() * 5)))
if (r > 49) then
r = (99 - r)
end
table.insert(colset,"a"..j)
table.insert(colset,"a"..r)
table.insert(answer,j)
table.insert(answer,r)
end
sql = "SELECT "..table.concat(colset, ",").." FROM t2"
test:do_test(
"cse-2.2."..i,
function()
-- explain $::sql
return test:execsql(sql)
end, answer)
end
test:finish_test()
|
