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1 # 2014 January 11 | |
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 WITH clause. | |
13 # | |
14 | |
15 set testdir [file dirname $argv0] | |
16 source $testdir/tester.tcl | |
17 source $testdir/malloc_common.tcl | |
18 set ::testprefix withM | |
19 | |
20 ifcapable {!cte} { | |
21 finish_test | |
22 return | |
23 } | |
24 | |
25 do_execsql_test 1.0 { | |
26 CREATE TABLE t1(x INTEGER, y INTEGER); | |
27 INSERT INTO t1 VALUES(123, 456); | |
28 } | |
29 | |
30 do_faultsim_test withM-1.1 -prep { | |
31 sqlite3 db test.db | |
32 } -body { | |
33 execsql { | |
34 WITH tmp AS ( SELECT * FROM t1 ) | |
35 SELECT * FROM tmp; | |
36 } | |
37 } -test { | |
38 faultsim_test_result {0 {123 456}} | |
39 db close | |
40 } | |
41 | |
42 do_faultsim_test withM-1.2 -prep { | |
43 sqlite3 db test.db | |
44 } -body { | |
45 execsql { | |
46 WITH w1 AS ( SELECT * FROM t1 ), | |
47 w2 AS ( | |
48 WITH w3 AS ( SELECT * FROM w1 ) | |
49 SELECT * FROM w3 | |
50 ) | |
51 SELECT * FROM w2; | |
52 } | |
53 } -test { | |
54 faultsim_test_result {0 {123 456}} | |
55 db close | |
56 } | |
57 | |
58 do_faultsim_test withM-1.3 -prep { | |
59 sqlite3 db test.db | |
60 } -body { | |
61 execsql { | |
62 WITH w1(a,b) AS ( | |
63 SELECT 1, 1 | |
64 UNION ALL | |
65 SELECT a+1, b + 2*a + 1 FROM w1 | |
66 ) | |
67 SELECT * FROM w1 LIMIT 5; | |
68 } | |
69 } -test { | |
70 faultsim_test_result {0 {1 1 2 4 3 9 4 16 5 25}} | |
71 db close | |
72 } | |
73 | |
74 finish_test | |
75 | |
76 | |
77 | |
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