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 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18 19ifcapable !vtab||!shared_cache { 20 finish_test 21 return 22} 23 24db close 25sqlite3_enable_shared_cache 1 26sqlite3 db test.db 27sqlite3 db2 test.db 28 29do_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 38do_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 43do_test vtab_shared-1.3 { 44 catchsql { SELECT * FROM t1 } db2 45} {1 {no such module: echo}} 46 47do_test vtab_shared-1.4 { 48 execsql { SELECT * FROM t0 } db2 49} {1 2 3} 50 51do_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 57do_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# 65do_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} 72do_test vtab_shared-1.8.2 { 73 catchsql { SELECT * FROM t1 } db2 74} {1 {database table is locked}} 75do_test vtab_shared-1.8.3 { 76 catchsql { SELECT * FROM t0 } db2 77} {1 {database table is locked: t0}} 78do_test vtab_shared-1.8.4 { 79 execsql { SELECT * FROM t0 } db 80} {1 2 3 4 5 6} 81do_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# 90foreach {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# 110do_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 118do_test vtab_shared-1.11 { 119breakpoint 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 127ifcapable compound { 128 do_test vtab_shared-1.12.1 { 129 db close 130 execsql { 131 SELECT * FROM t1 UNION ALL 132 SELECT * FROM t2 UNION ALL 133 SELECT * FROM t3 134 } db2 135 } {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6} 136 do_test vtab_shared-1.12.2 { 137 sqlite3 db test.db 138 register_echo_module [sqlite3_connection_pointer db] 139 execsql { 140 SELECT * FROM t1 UNION ALL 141 SELECT * FROM t2 UNION ALL 142 SELECT * FROM t3 143 } db 144 } {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6} 145} 146 147# Try a rename or two. 148# 149ifcapable altertable { 150 do_test vtab_shared-1.13.1 { 151 execsql { ALTER TABLE t1 RENAME TO t4 } 152 execsql { SELECT * FROM t4 } db 153 } {1 2 3 4 5 6} 154 do_test vtab_shared-1.13.2 { 155 execsql { SELECT * FROM t4 } db2 156 } {1 2 3 4 5 6} 157 do_test vtab_shared-1.13.3 { 158 execsql { ALTER TABLE t2 RENAME TO t5 } 159 execsql { SELECT * FROM t4 } db2 160 } {1 2 3 4 5 6} 161} 162 163# Try an UPDATE/INSERT/DELETE on a shared vtab as the first statement after a 164# schema is loaded. 165do_test vtab_shared_1.14.1 { 166 db2 close 167 sqlite3 db2 test.db 168 register_echo_module [sqlite3_connection_pointer db2] 169 execsql { SELECT * FROM t3 } 170} {1 2 3 4 5 6} 171do_test vtab_shared_1.14.2 { 172 execsql { 173 UPDATE t3 SET c = 'six' WHERE c = 6; 174 SELECT * FROM t3; 175 } db2 176} {1 2 3 4 5 six} 177do_test vtab_shared_1.14.3 { 178 db2 close 179 sqlite3 db2 test.db 180 register_echo_module [sqlite3_connection_pointer db2] 181 execsql { SELECT * FROM t3 } 182} {1 2 3 4 5 six} 183do_test vtab_shared_1.14.4 { 184 execsql { 185 DELETE FROM t3 WHERE c = 'six'; 186 SELECT * FROM t3; 187 } db2 188} {1 2 3} 189do_test vtab_shared_1.14.5 { 190 db2 close 191 sqlite3 db2 test.db 192 register_echo_module [sqlite3_connection_pointer db2] 193 execsql { SELECT * FROM t3 } 194} {1 2 3} 195do_test vtab_shared_1.14.6 { 196 execsql { 197 INSERT INTO t3 VALUES(4, 5, 6); 198 SELECT * FROM t3; 199 } db2 200} {1 2 3 4 5 6} 201 202do_test vtab_shared_1.15.1 { 203 db2 close 204 sqlite3 db2 test.db 205 register_echo_module [sqlite3_connection_pointer db2] 206 execsql { 207 UPDATE t3 SET c = 'six' WHERE c = 6; 208 SELECT * FROM t3; 209 } db2 210} {1 2 3 4 5 six} 211do_test vtab_shared_1.15.2 { 212 db2 close 213 sqlite3 db2 test.db 214 register_echo_module [sqlite3_connection_pointer db2] 215 execsql { 216 DELETE FROM t3 WHERE c = 'six'; 217 SELECT * FROM t3; 218 } db2 219} {1 2 3} 220do_test vtab_shared_1.15.3 { 221 db2 close 222 sqlite3 db2 test.db 223 register_echo_module [sqlite3_connection_pointer db2] 224 execsql { 225 INSERT INTO t3 VALUES(4, 5, 6); 226 SELECT * FROM t3; 227 } 228} {1 2 3 4 5 6} 229 230db close 231db2 close 232sqlite3_enable_shared_cache 0 233finish_test 234