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| 1 # 2012 October 5 | |
| 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 # | |
| 12 # The tests in this file are intended to show if two connections attach | |
| 13 # to the same shared cache using different database names, views and | |
| 14 # virtual tables may still be accessed. | |
| 15 # | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 source $testdir/lock_common.tcl | |
| 20 set testprefix shared9 | |
| 21 | |
| 22 ifcapable !view||!trigger { | |
| 23 finish_test | |
| 24 return | |
| 25 } | |
| 26 | |
| 27 db close | |
| 28 set enable_shared_cache [sqlite3_enable_shared_cache 1] | |
| 29 | |
| 30 sqlite3 db1 test.db | |
| 31 sqlite3 db2 test.db | |
| 32 forcedelete test.db2 | |
| 33 | |
| 34 do_test 1.1 { | |
| 35 db1 eval { | |
| 36 ATTACH 'test.db2' AS 'fred'; | |
| 37 CREATE TABLE fred.t1(a, b, c); | |
| 38 CREATE VIEW fred.v1 AS SELECT * FROM t1; | |
| 39 | |
| 40 CREATE TABLE fred.t2(a, b); | |
| 41 CREATE TABLE fred.t3(a, b); | |
| 42 CREATE TRIGGER fred.trig AFTER INSERT ON t2 BEGIN | |
| 43 DELETE FROM t3; | |
| 44 INSERT INTO t3 SELECT * FROM t2; | |
| 45 END; | |
| 46 INSERT INTO t2 VALUES(1, 2); | |
| 47 SELECT * FROM t3; | |
| 48 } | |
| 49 } {1 2} | |
| 50 | |
| 51 do_test 1.2 { db2 eval "ATTACH 'test.db2' AS 'jones'" } {} | |
| 52 do_test 1.3 { db2 eval "SELECT * FROM v1" } {} | |
| 53 do_test 1.4 { db2 eval "INSERT INTO t2 VALUES(3, 4)" } {} | |
| 54 | |
| 55 ifcapable fts3 { | |
| 56 do_test 1.5 { | |
| 57 db1 eval { | |
| 58 CREATE VIRTUAL TABLE fred.t4 USING fts4; | |
| 59 INSERT INTO t4 VALUES('hello world'); | |
| 60 } | |
| 61 } {} | |
| 62 | |
| 63 do_test 1.6 { | |
| 64 db2 eval { | |
| 65 INSERT INTO t4 VALUES('shared cache'); | |
| 66 SELECT * FROM t4 WHERE t4 MATCH 'hello'; | |
| 67 } | |
| 68 } {{hello world}} | |
| 69 | |
| 70 do_test 1.7 { | |
| 71 db1 eval { | |
| 72 SELECT * FROM t4 WHERE t4 MATCH 'c*'; | |
| 73 } | |
| 74 } {{shared cache}} | |
| 75 } | |
| 76 | |
| 77 db1 close | |
| 78 db2 close | |
| 79 | |
| 80 #------------------------------------------------------------------------- | |
| 81 # The following tests attempt to find a similar problem with collation | |
| 82 # sequence names - pointers to database handle specific allocations leaking | |
| 83 # into schema objects and being used after the original handle has been | |
| 84 # closed. | |
| 85 # | |
| 86 forcedelete test.db test.db2 | |
| 87 sqlite3 db1 test.db | |
| 88 sqlite3 db2 test.db | |
| 89 foreach x {collate1 collate2 collate3} { | |
| 90 proc $x {a b} { string compare $a $b } | |
| 91 db1 collate $x $x | |
| 92 db2 collate $x $x | |
| 93 } | |
| 94 do_test 2.1 { | |
| 95 db1 eval { | |
| 96 CREATE TABLE t1(a, b, c COLLATE collate1); | |
| 97 CREATE INDEX i1 ON t1(a COLLATE collate2, c, b); | |
| 98 } | |
| 99 } {} | |
| 100 do_test 2.2 { | |
| 101 db1 close | |
| 102 db2 eval "INSERT INTO t1 VALUES('abc', 'def', 'ghi')" | |
| 103 } {} | |
| 104 db2 close | |
| 105 | |
| 106 #------------------------------------------------------------------------- | |
| 107 # At one point, the following would cause a collation sequence belonging | |
| 108 # to connection [db1] to be invoked by a call to [db2 eval]. Which is a | |
| 109 # problem if [db1] has already been closed. | |
| 110 # | |
| 111 forcedelete test.db test.db2 | |
| 112 sqlite3 db1 test.db | |
| 113 sqlite3 db2 test.db | |
| 114 | |
| 115 proc mycollate_db1 {a b} {set ::invoked_mycollate_db1 1 ; string compare $a $b} | |
| 116 proc mycollate_db2 {a b} {string compare $a $b} | |
| 117 | |
| 118 db1 collate mycollate mycollate_db1 | |
| 119 db2 collate mycollate mycollate_db2 | |
| 120 | |
| 121 do_test 2.3 { | |
| 122 set ::invoked_mycollate_db1 0 | |
| 123 db1 eval { | |
| 124 CREATE TABLE t1(a COLLATE mycollate, CHECK (a IN ('one', 'two', 'three'))); | |
| 125 INSERT INTO t1 VALUES('one'); | |
| 126 } | |
| 127 db1 close | |
| 128 set ::invoked_mycollate_db1 | |
| 129 } {1} | |
| 130 do_test 2.4 { | |
| 131 set ::invoked_mycollate_db1 0 | |
| 132 db2 eval { | |
| 133 INSERT INTO t1 VALUES('two'); | |
| 134 } | |
| 135 db2 close | |
| 136 set ::invoked_mycollate_db1 | |
| 137 } {0} | |
| 138 | |
| 139 forcedelete test.db test.db2 | |
| 140 sqlite3 db1 test.db | |
| 141 sqlite3 db2 test.db | |
| 142 db1 collate mycollate mycollate_db1 | |
| 143 db2 collate mycollate mycollate_db2 | |
| 144 | |
| 145 do_test 2.13 { | |
| 146 set ::invoked_mycollate_db1 0 | |
| 147 db1 eval { | |
| 148 CREATE TABLE t1(a, CHECK (a COLLATE mycollate IN ('one', 'two', 'three'))); | |
| 149 INSERT INTO t1 VALUES('one'); | |
| 150 } | |
| 151 db1 close | |
| 152 set ::invoked_mycollate_db1 | |
| 153 } {1} | |
| 154 do_test 2.14 { | |
| 155 set ::invoked_mycollate_db1 0 | |
| 156 db2 eval { | |
| 157 INSERT INTO t1 VALUES('two'); | |
| 158 } | |
| 159 db2 close | |
| 160 set ::invoked_mycollate_db1 | |
| 161 } {0} | |
| 162 | |
| 163 #------------------------------------------------------------------------- | |
| 164 # This test verifies that a bug causing a busy-handler belonging to one | |
| 165 # shared-cache connection to be executed as a result of an sqlite3_step() | |
| 166 # on another has been fixed. | |
| 167 # | |
| 168 forcedelete test.db test.db2 | |
| 169 sqlite3 db1 test.db | |
| 170 sqlite3 db2 test.db | |
| 171 | |
| 172 proc busyhandler {handle args} { | |
| 173 set ::busyhandler_invoked_for $handle | |
| 174 return 1 | |
| 175 } | |
| 176 db1 busy [list busyhandler db1] | |
| 177 db2 busy [list busyhandler db2] | |
| 178 | |
| 179 do_test 3.1 { | |
| 180 db1 eval { | |
| 181 BEGIN; | |
| 182 CREATE TABLE t1(a, b); | |
| 183 CREATE TABLE t2(a, b); | |
| 184 INSERT INTO t1 VALUES(1, 2); | |
| 185 INSERT INTO t2 VALUES(1, 2); | |
| 186 } | |
| 187 # Keep this next COMMIT as a separate statement. This ensures that COMMIT | |
| 188 # has already been compiled and loaded into the tcl interface statement | |
| 189 # cache when it is attempted below. | |
| 190 db1 eval COMMIT | |
| 191 db1 eval { | |
| 192 BEGIN; | |
| 193 INSERT INTO t1 VALUES(3, 4); | |
| 194 } | |
| 195 } {} | |
| 196 | |
| 197 do_test 3.2 { | |
| 198 set ::tf [launch_testfixture] | |
| 199 testfixture $::tf { | |
| 200 sqlite3 db test.db | |
| 201 db eval { | |
| 202 BEGIN; | |
| 203 SELECT * FROM t1; | |
| 204 } | |
| 205 } | |
| 206 } {1 2} | |
| 207 | |
| 208 do_test 3.3 { | |
| 209 db2 eval { SELECT * FROM t2 } | |
| 210 } {1 2} | |
| 211 | |
| 212 do_test 3.4 { | |
| 213 list [catch { db1 eval COMMIT } msg] $msg | |
| 214 } {1 {database is locked}} | |
| 215 | |
| 216 # At one point the following would fail, showing that the busy-handler | |
| 217 # belonging to [db2] was invoked instead. | |
| 218 do_test 3.5 { | |
| 219 set ::busyhandler_invoked_for | |
| 220 } {db1} | |
| 221 do_test 3.6 { | |
| 222 close $::tf | |
| 223 db1 eval COMMIT | |
| 224 } {} | |
| 225 | |
| 226 db1 close | |
| 227 db2 close | |
| 228 | |
| 229 sqlite3_enable_shared_cache $::enable_shared_cache | |
| 230 finish_test | |
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