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 127do_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} 135do_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# 147ifcapable 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. 163do_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} 169do_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} 175do_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} 181do_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} 187do_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} 193do_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 200do_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} 209do_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} 218do_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 228db close 229db2 close 230sqlite3_enable_shared_cache 0 231finish_test 232