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libsql/libsql-sqlite3/test/vtab_shared.test
2023-10-16 13:58:16 +02:00

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# 2007 April 16
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file tests interactions between the virtual table and
# shared-schema functionality.
#
# $Id: vtab_shared.test,v 1.3 2009/07/24 17:58:53 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix vtab_shared
ifcapable !vtab||!shared_cache {
finish_test
return
}
db close
sqlite3_enable_shared_cache 1
sqlite3 db test.db
sqlite3 db2 test.db
do_test vtab_shared-1.1 {
register_echo_module [sqlite3_connection_pointer db]
execsql {
CREATE TABLE t0(a, b, c);
INSERT INTO t0 VALUES(1, 2, 3);
CREATE VIRTUAL TABLE t1 USING echo(t0);
}
} {}
do_test vtab_shared-1.2 {
execsql { SELECT * FROM t1 } db
} {1 2 3}
# Fails because the 'echo' module has not been registered with connection db2
do_test vtab_shared-1.3 {
catchsql { SELECT * FROM t1 } db2
} {1 {no such module: echo}}
do_test vtab_shared-1.4 {
execsql { SELECT * FROM t0 } db2
} {1 2 3}
do_test vtab_shared-1.5 {
register_echo_module [sqlite3_connection_pointer db2]
execsql { SELECT * FROM t1 } db
} {1 2 3}
# Works after the module is registered with db2
do_test vtab_shared-1.6 {
execsql { SELECT * FROM t1 } db2
} {1 2 3}
# Set a write-lock on table t0 using connection [db]. Then try to read from
# virtual table t1 using [db2]. That this returns an SQLITE_LOCKED error
# shows that the correct sqlite3_vtab is being used.
#
do_test vtab_shared-1.8.1 {
execsql {
BEGIN;
INSERT INTO t1 VALUES(4, 5, 6);
SELECT * FROM t1;
}
} {1 2 3 4 5 6}
do_test vtab_shared-1.8.2 {
catchsql { SELECT * FROM t1 } db2
} {1 {database table is locked}}
do_test vtab_shared-1.8.3 {
catchsql { SELECT * FROM t0 } db2
} {1 {database table is locked: t0}}
do_test vtab_shared-1.8.4 {
execsql { SELECT * FROM t0 } db
} {1 2 3 4 5 6}
do_test vtab_shared-1.8.5 {
execsql { COMMIT } db
execsql { SELECT * FROM t1 } db2
} {1 2 3 4 5 6}
# While a SELECT is active on virtual table t1 via connection [db], close
# [db2]. This causes the schema to be reset internally. Verify that this
# does not cause a problem.
#
foreach {iTest dbSelect dbClose} {
1 db db2
2 db db2
3 db2 db
} {
do_test vtab_shared-1.9.$iTest {
set res [list]
$dbSelect eval { SELECT * FROM t1 } {
if {$a == 1} {$dbClose close}
lappend res $a $b $c
}
sqlite3 $dbClose test.db
register_echo_module [sqlite3_connection_pointer $dbClose]
set res
} {1 2 3 4 5 6}
}
# Ensure that it is not possible for one connection to DROP a virtual
# table while a second connection is reading from the database.
#
do_test vtab_shared-1.10 {
db eval { SELECT * FROM t1 } {
set error [catchsql { DROP TABLE t1 } db2]
break
}
set error
} {1 {database table is locked: sqlite_master}}
do_test vtab_shared-1.11 {
execsql {
CREATE VIRTUAL TABLE t2 USING echo(t0);
CREATE VIRTUAL TABLE t3 USING echo(t0);
}
execsql { SELECT * FROM t3 } db2
} {1 2 3 4 5 6}
ifcapable compound {
do_test vtab_shared-1.12.1 {
db close
execsql {
SELECT * FROM t1 UNION ALL
SELECT * FROM t2 UNION ALL
SELECT * FROM t3
} db2
} {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6}
do_test vtab_shared-1.12.2 {
sqlite3 db test.db
register_echo_module [sqlite3_connection_pointer db]
execsql {
SELECT * FROM t1 UNION ALL
SELECT * FROM t2 UNION ALL
SELECT * FROM t3
} db
} {1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6}
}
# Try a rename or two.
#
ifcapable altertable {
do_test vtab_shared-1.13.1 {
execsql { ALTER TABLE t1 RENAME TO t4 }
execsql { SELECT * FROM t4 } db
} {1 2 3 4 5 6}
do_test vtab_shared-1.13.2 {
execsql { SELECT * FROM t4 } db2
} {1 2 3 4 5 6}
do_test vtab_shared-1.13.3 {
execsql { ALTER TABLE t2 RENAME TO t5 }
execsql { SELECT * FROM t4 } db2
} {1 2 3 4 5 6}
}
# Try an UPDATE/INSERT/DELETE on a shared vtab as the first statement after a
# schema is loaded.
do_test vtab_shared_1.14.1 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql { SELECT * FROM t3 }
} {1 2 3 4 5 6}
do_test vtab_shared_1.14.2 {
execsql {
UPDATE t3 SET c = 'six' WHERE c = 6;
SELECT * FROM t3;
} db2
} {1 2 3 4 5 six}
do_test vtab_shared_1.14.3 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql { SELECT * FROM t3 }
} {1 2 3 4 5 six}
do_test vtab_shared_1.14.4 {
execsql {
DELETE FROM t3 WHERE c = 'six';
SELECT * FROM t3;
} db2
} {1 2 3}
do_test vtab_shared_1.14.5 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql { SELECT * FROM t3 }
} {1 2 3}
do_test vtab_shared_1.14.6 {
execsql {
INSERT INTO t3 VALUES(4, 5, 6);
SELECT * FROM t3;
} db2
} {1 2 3 4 5 6}
do_test vtab_shared_1.15.1 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql {
UPDATE t3 SET c = 'six' WHERE c = 6;
SELECT * FROM t3;
} db2
} {1 2 3 4 5 six}
do_test vtab_shared_1.15.2 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql {
DELETE FROM t3 WHERE c = 'six';
SELECT * FROM t3;
} db2
} {1 2 3}
do_test vtab_shared_1.15.3 {
db2 close
sqlite3 db2 test.db
register_echo_module [sqlite3_connection_pointer db2]
execsql {
INSERT INTO t3 VALUES(4, 5, 6);
SELECT * FROM t3;
}
} {1 2 3 4 5 6}
db close
db2 close
#---------------------------------------------------------------
# Test calling sqlite3_close() with vtabs on the disconnect list.
#
ifcapable rtree {
reset_db
do_test 2.1.1 {
sqlite3 db test.db
sqlite3 db2 test.db
# Create a virtual table using [db].
execsql {
CREATE VIRTUAL TABLE rt USING rtree(id, x1, x2);
INSERT INTO rt VALUES(1, 2 ,3);
SELECT * FROM rt;
}
# Drop the virtual table using [db2]. The sqlite3_vtab object belonging
# to [db] is moved to the sqlite3.pDisconnect list.
execsql { DROP TABLE rt } db2
# Immediately close [db]. At one point this would fail due to the
# unfinalized statements held by the un-xDisconnect()ed sqlite3_vtab.
db close
} {}
db2 close
}
ifcapable fts3 {
# Same test as above, except using fts3 instead of rtree.
reset_db
do_test 2.2.1 {
sqlite3 db test.db
sqlite3 db2 test.db
execsql {
CREATE VIRTUAL TABLE ft USING fts3;
INSERT INTO ft VALUES('hello world');
SELECT * FROM ft;
}
execsql { DROP TABLE ft } db2
db close
} {}
db2 close
}
sqlite3_enable_shared_cache 0
finish_test