Annotation of embedaddon/sqlite3/test/vtab_shared.test, revision 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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