Annotation of embedaddon/sqlite3/test/vtab_shared.test, revision 1.1.1.1
1.1 misho 1: # 2007 April 16
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 tests interactions between the virtual table and
12: # shared-schema functionality.
13: #
14: # $Id: vtab_shared.test,v 1.3 2009/07/24 17:58:53 danielk1977 Exp $
15:
16: set testdir [file dirname $argv0]
17: source $testdir/tester.tcl
18:
19: ifcapable !vtab||!shared_cache {
20: finish_test
21: return
22: }
23:
24: db close
25: sqlite3_enable_shared_cache 1
26: sqlite3 db test.db
27: sqlite3 db2 test.db
28:
29: do_test vtab_shared-1.1 {
30: register_echo_module [sqlite3_connection_pointer db]
31: execsql {
32: CREATE TABLE t0(a, b, c);
33: INSERT INTO t0 VALUES(1, 2, 3);
34: CREATE VIRTUAL TABLE t1 USING echo(t0);
35: }
36: } {}
37:
38: do_test vtab_shared-1.2 {
39: execsql { SELECT * FROM t1 } db
40: } {1 2 3}
41:
42: # Fails because the 'echo' module has not been registered with connection db2
43: do_test vtab_shared-1.3 {
44: catchsql { SELECT * FROM t1 } db2
45: } {1 {no such module: echo}}
46:
47: do_test vtab_shared-1.4 {
48: execsql { SELECT * FROM t0 } db2
49: } {1 2 3}
50:
51: do_test vtab_shared-1.5 {
52: register_echo_module [sqlite3_connection_pointer db2]
53: execsql { SELECT * FROM t1 } db
54: } {1 2 3}
55:
56: # Works after the module is registered with db2
57: do_test vtab_shared-1.6 {
58: execsql { SELECT * FROM t1 } db2
59: } {1 2 3}
60:
61: # Set a write-lock on table t0 using connection [db]. Then try to read from
62: # virtual table t1 using [db2]. That this returns an SQLITE_LOCKED error
63: # shows that the correct sqlite3_vtab is being used.
64: #
65: do_test vtab_shared-1.8.1 {
66: execsql {
67: BEGIN;
68: INSERT INTO t1 VALUES(4, 5, 6);
69: SELECT * FROM t1;
70: }
71: } {1 2 3 4 5 6}
72: do_test vtab_shared-1.8.2 {
73: catchsql { SELECT * FROM t1 } db2
74: } {1 {database table is locked}}
75: do_test vtab_shared-1.8.3 {
76: catchsql { SELECT * FROM t0 } db2
77: } {1 {database table is locked: t0}}
78: do_test vtab_shared-1.8.4 {
79: execsql { SELECT * FROM t0 } db
80: } {1 2 3 4 5 6}
81: do_test vtab_shared-1.8.5 {
82: execsql { COMMIT } db
83: execsql { SELECT * FROM t1 } db2
84: } {1 2 3 4 5 6}
85:
86: # While a SELECT is active on virtual table t1 via connection [db], close
87: # [db2]. This causes the schema to be reset internally. Verify that this
88: # does not cause a problem.
89: #
90: foreach {iTest dbSelect dbClose} {
91: 1 db db2
92: 2 db db2
93: 3 db2 db
94: } {
95: do_test vtab_shared-1.9.$iTest {
96: set res [list]
97: $dbSelect eval { SELECT * FROM t1 } {
98: if {$a == 1} {$dbClose close}
99: lappend res $a $b $c
100: }
101: sqlite3 $dbClose test.db
102: register_echo_module [sqlite3_connection_pointer $dbClose]
103: set res
104: } {1 2 3 4 5 6}
105: }
106:
107: # Ensure that it is not possible for one connection to DROP a virtual
108: # table while a second connection is reading from the database.
109: #
110: do_test vtab_shared-1.10 {
111: db eval { SELECT * FROM t1 } {
112: set error [catchsql { DROP TABLE t1 } db2]
113: break
114: }
115: set error
116: } {1 {database table is locked: sqlite_master}}
117:
118: do_test vtab_shared-1.11 {
119: breakpoint
120: execsql {
121: CREATE VIRTUAL TABLE t2 USING echo(t0);
122: CREATE VIRTUAL TABLE t3 USING echo(t0);
123: }
124: execsql { SELECT * FROM t3 } db2
125: } {1 2 3 4 5 6}
126:
127: do_test vtab_shared-1.12.1 {
128: db close
129: execsql {
130: SELECT * FROM t1 UNION ALL
131: SELECT * FROM t2 UNION ALL
132: SELECT * FROM t3
133: } db2
134: } {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6}
135: do_test vtab_shared-1.12.2 {
136: sqlite3 db test.db
137: register_echo_module [sqlite3_connection_pointer db]
138: execsql {
139: SELECT * FROM t1 UNION ALL
140: SELECT * FROM t2 UNION ALL
141: SELECT * FROM t3
142: } db
143: } {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6}
144:
145: # Try a rename or two.
146: #
147: ifcapable altertable {
148: do_test vtab_shared-1.13.1 {
149: execsql { ALTER TABLE t1 RENAME TO t4 }
150: execsql { SELECT * FROM t4 } db
151: } {1 2 3 4 5 6}
152: do_test vtab_shared-1.13.2 {
153: execsql { SELECT * FROM t4 } db2
154: } {1 2 3 4 5 6}
155: do_test vtab_shared-1.13.3 {
156: execsql { ALTER TABLE t2 RENAME TO t5 }
157: execsql { SELECT * FROM t4 } db2
158: } {1 2 3 4 5 6}
159: }
160:
161: # Try an UPDATE/INSERT/DELETE on a shared vtab as the first statement after a
162: # schema is loaded.
163: do_test vtab_shared_1.14.1 {
164: db2 close
165: sqlite3 db2 test.db
166: register_echo_module [sqlite3_connection_pointer db2]
167: execsql { SELECT * FROM t3 }
168: } {1 2 3 4 5 6}
169: do_test vtab_shared_1.14.2 {
170: execsql {
171: UPDATE t3 SET c = 'six' WHERE c = 6;
172: SELECT * FROM t3;
173: } db2
174: } {1 2 3 4 5 six}
175: do_test vtab_shared_1.14.3 {
176: db2 close
177: sqlite3 db2 test.db
178: register_echo_module [sqlite3_connection_pointer db2]
179: execsql { SELECT * FROM t3 }
180: } {1 2 3 4 5 six}
181: do_test vtab_shared_1.14.4 {
182: execsql {
183: DELETE FROM t3 WHERE c = 'six';
184: SELECT * FROM t3;
185: } db2
186: } {1 2 3}
187: do_test vtab_shared_1.14.5 {
188: db2 close
189: sqlite3 db2 test.db
190: register_echo_module [sqlite3_connection_pointer db2]
191: execsql { SELECT * FROM t3 }
192: } {1 2 3}
193: do_test vtab_shared_1.14.6 {
194: execsql {
195: INSERT INTO t3 VALUES(4, 5, 6);
196: SELECT * FROM t3;
197: } db2
198: } {1 2 3 4 5 6}
199:
200: do_test vtab_shared_1.15.1 {
201: db2 close
202: sqlite3 db2 test.db
203: register_echo_module [sqlite3_connection_pointer db2]
204: execsql {
205: UPDATE t3 SET c = 'six' WHERE c = 6;
206: SELECT * FROM t3;
207: } db2
208: } {1 2 3 4 5 six}
209: do_test vtab_shared_1.15.2 {
210: db2 close
211: sqlite3 db2 test.db
212: register_echo_module [sqlite3_connection_pointer db2]
213: execsql {
214: DELETE FROM t3 WHERE c = 'six';
215: SELECT * FROM t3;
216: } db2
217: } {1 2 3}
218: do_test vtab_shared_1.15.3 {
219: db2 close
220: sqlite3 db2 test.db
221: register_echo_module [sqlite3_connection_pointer db2]
222: execsql {
223: INSERT INTO t3 VALUES(4, 5, 6);
224: SELECT * FROM t3;
225: }
226: } {1 2 3 4 5 6}
227:
228: db close
229: db2 close
230: sqlite3_enable_shared_cache 0
231: finish_test
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