1185 lines
31 KiB
Plaintext
1185 lines
31 KiB
Plaintext
# 2005 December 30
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# $Id: shared.test,v 1.36 2009/03/16 13:19:36 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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db close
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# These tests cannot be run without the ATTACH command.
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#
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ifcapable !shared_cache||!attach {
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finish_test
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return
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}
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set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
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foreach av [list 0 1] {
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# Open the database connection and execute the auto-vacuum pragma
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forcedelete test.db
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sqlite3 db test.db
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ifcapable autovacuum {
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do_test shared-[expr $av+1].1.0 {
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execsql "pragma auto_vacuum=$::av"
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execsql {pragma auto_vacuum}
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} "$av"
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} else {
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if {$av} {
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db close
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break
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}
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}
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# if we're using proxy locks, we use 2 filedescriptors for a db
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# that is open but NOT yet locked, after a lock is taken we'll have 3,
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# normally sqlite uses 1 (proxy locking adds the conch and the local lock)
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set using_proxy 0
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foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
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set using_proxy $value
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}
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set extrafds_prelock 0
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set extrafds_postlock 0
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if {$using_proxy>0} {
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set extrafds_prelock 1
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set extrafds_postlock 2
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}
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# $av is currently 0 if this loop iteration is to test with auto-vacuum turned
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# off, and 1 if it is turned on. Increment it so that (1 -> no auto-vacuum)
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# and (2 -> auto-vacuum). The sole reason for this is so that it looks nicer
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# when we use this variable as part of test-case names.
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#
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incr av
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# Test organization:
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#
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# shared-1.*: Simple test to verify basic sanity of table level locking when
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# two connections share a pager cache.
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# shared-2.*: Test that a read transaction can co-exist with a
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# write-transaction, including a simple test to ensure the
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# external locking protocol is still working.
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# shared-3.*: Simple test of read-uncommitted mode.
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# shared-4.*: Check that the schema is locked and unlocked correctly.
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# shared-5.*: Test that creating/dropping schema items works when databases
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# are attached in different orders to different handles.
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# shared-6.*: Locking, UNION ALL queries and sub-queries.
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# shared-7.*: Autovacuum and shared-cache.
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# shared-8.*: Tests related to the text encoding of shared-cache databases.
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# shared-9.*: TEMP triggers and shared-cache databases.
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# shared-10.*: Tests of sqlite3_close().
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# shared-11.*: Test transaction locking.
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#
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do_test shared-$av.1.1 {
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# Open a second database on the file test.db. It should use the same pager
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# cache and schema as the original connection. Verify that only 1 file is
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# opened.
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sqlite3 db2 test.db
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set ::sqlite_open_file_count
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expr $sqlite_open_file_count-$extrafds_postlock
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} {1}
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do_test shared-$av.1.2 {
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# Add a table and a single row of data via the first connection.
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# Ensure that the second connection can see them.
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execsql {
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CREATE TABLE abc(a, b, c);
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INSERT INTO abc VALUES(1, 2, 3);
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} db
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execsql {
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SELECT * FROM abc;
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} db2
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} {1 2 3}
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do_test shared-$av.1.3 {
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# Have the first connection begin a transaction and obtain a read-lock
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# on table abc. This should not prevent the second connection from
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# querying abc.
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execsql {
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BEGIN;
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SELECT * FROM abc;
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}
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execsql {
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SELECT * FROM abc;
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} db2
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} {1 2 3}
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do_test shared-$av.1.4 {
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# Try to insert a row into abc via connection 2. This should fail because
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# of the read-lock connection 1 is holding on table abc (obtained in the
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# previous test case).
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catchsql {
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INSERT INTO abc VALUES(4, 5, 6);
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} db2
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} {1 {database table is locked: abc}}
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do_test shared-$av.1.5 {
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# Using connection 2 (the one without the open transaction), try to create
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# a new table. This should fail because of the open read transaction
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# held by connection 1.
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catchsql {
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CREATE TABLE def(d, e, f);
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} db2
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} {1 {database table is locked: sqlite_master}}
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do_test shared-$av.1.6 {
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# Upgrade connection 1's transaction to a write transaction. Create
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# a new table - def - and insert a row into it. Because the connection 1
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# transaction modifies the schema, it should not be possible for
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# connection 2 to access the database at all until the connection 1
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# has finished the transaction.
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execsql {
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CREATE TABLE def(d, e, f);
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INSERT INTO def VALUES('IV', 'V', 'VI');
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}
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} {}
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do_test shared-$av.1.7 {
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# Read from the sqlite_master table with connection 1 (inside the
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# transaction). Then test that we can not do this with connection 2. This
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# is because of the schema-modified lock established by connection 1
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# in the previous test case.
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execsql {
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SELECT * FROM sqlite_master;
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}
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catchsql {
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SELECT * FROM sqlite_master;
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} db2
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} {1 {database schema is locked: main}}
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do_test shared-$av.1.8 {
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# Commit the connection 1 transaction.
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execsql {
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COMMIT;
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}
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} {}
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do_test shared-$av.2.1 {
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# Open connection db3 to the database. Use a different path to the same
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# file so that db3 does *not* share the same pager cache as db and db2
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# (there should be two open file handles).
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if {$::tcl_platform(platform)=="unix"} {
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sqlite3 db3 ./test.db
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} else {
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sqlite3 db3 TEST.DB
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}
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set ::sqlite_open_file_count
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expr $sqlite_open_file_count-($extrafds_prelock+$extrafds_postlock)
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} {2}
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do_test shared-$av.2.2 {
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# Start read transactions on db and db2 (the shared pager cache). Ensure
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# db3 cannot write to the database.
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execsql {
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BEGIN;
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SELECT * FROM abc;
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}
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execsql {
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BEGIN;
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SELECT * FROM abc;
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} db2
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catchsql {
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INSERT INTO abc VALUES(1, 2, 3);
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} db2
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} {1 {database table is locked: abc}}
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do_test shared-$av.2.3 {
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# Turn db's transaction into a write-transaction. db3 should still be
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# able to read from table def (but will not see the new row). Connection
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# db2 should not be able to read def (because of the write-lock).
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# Todo: The failed "INSERT INTO abc ..." statement in the above test
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# has started a write-transaction on db2 (should this be so?). This
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# would prevent connection db from starting a write-transaction. So roll the
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# db2 transaction back and replace it with a new read transaction.
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execsql {
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ROLLBACK;
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BEGIN;
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SELECT * FROM abc;
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} db2
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execsql {
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INSERT INTO def VALUES('VII', 'VIII', 'IX');
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}
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concat [
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catchsql { SELECT * FROM def; } db3
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] [
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catchsql { SELECT * FROM def; } db2
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]
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} {0 {IV V VI} 1 {database table is locked: def}}
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do_test shared-$av.2.4 {
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# Commit the open transaction on db. db2 still holds a read-transaction.
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# This should prevent db3 from writing to the database, but not from
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# reading.
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execsql {
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COMMIT;
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}
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concat [
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catchsql { SELECT * FROM def; } db3
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] [
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catchsql { INSERT INTO def VALUES('X', 'XI', 'XII'); } db3
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]
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} {0 {IV V VI VII VIII IX} 1 {database is locked}}
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catchsql COMMIT db2
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do_test shared-$av.3.1.1 {
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# This test case starts a linear scan of table 'seq' using a
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# read-uncommitted connection. In the middle of the scan, rows are added
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# to the end of the seq table (ahead of the current cursor position).
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# The uncommitted rows should be included in the results of the scan.
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execsql "
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CREATE TABLE seq(i PRIMARY KEY, x);
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INSERT INTO seq VALUES(1, '[string repeat X 500]');
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INSERT INTO seq VALUES(2, '[string repeat X 500]');
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"
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execsql {SELECT * FROM sqlite_master} db2
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execsql {PRAGMA read_uncommitted = 1} db2
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set ret [list]
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db2 eval {SELECT i FROM seq ORDER BY i} {
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if {$i < 4} {
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set max [execsql {SELECT max(i) FROM seq}]
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db eval {
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INSERT INTO seq SELECT i + :max, x FROM seq;
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}
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}
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lappend ret $i
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}
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set ret
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} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16}
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do_test shared-$av.3.1.2 {
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# Another linear scan through table seq using a read-uncommitted connection.
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# This time, delete each row as it is read. Should not affect the results of
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# the scan, but the table should be empty after the scan is concluded
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# (test 3.1.3 verifies this).
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set ret [list]
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db2 eval {SELECT i FROM seq} {
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db eval {DELETE FROM seq WHERE i = :i}
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lappend ret $i
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}
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set ret
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} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16}
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do_test shared-$av.3.1.3 {
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execsql {
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SELECT * FROM seq;
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}
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} {}
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catch {db close}
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catch {db2 close}
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catch {db3 close}
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#--------------------------------------------------------------------------
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# Tests shared-4.* test that the schema locking rules are applied
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# correctly. i.e.:
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#
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# 1. All transactions require a read-lock on the schemas of databases they
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# access.
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# 2. Transactions that modify a database schema require a write-lock on that
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# schema.
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# 3. It is not possible to compile a statement while another handle has a
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# write-lock on the schema.
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#
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# Open two database handles db and db2. Each has a single attach database
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# (as well as main):
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#
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# db.main -> ./test.db
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# db.test2 -> ./test2.db
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# db2.main -> ./test2.db
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# db2.test -> ./test.db
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#
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forcedelete test.db
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forcedelete test2.db
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forcedelete test2.db-journal
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sqlite3 db test.db
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sqlite3 db2 test2.db
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do_test shared-$av.4.1.1 {
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set sqlite_open_file_count
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expr $sqlite_open_file_count-($extrafds_prelock*2)
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} {2}
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do_test shared-$av.4.1.2 {
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execsql {ATTACH 'test2.db' AS test2}
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set sqlite_open_file_count
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expr $sqlite_open_file_count-($extrafds_postlock*2)
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} {2}
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do_test shared-$av.4.1.3 {
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execsql {ATTACH 'test.db' AS test} db2
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set sqlite_open_file_count
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expr $sqlite_open_file_count-($extrafds_postlock*2)
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} {2}
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# Sanity check: Create a table in ./test.db via handle db, and test that handle
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# db2 can "see" the new table immediately. A handle using a seperate pager
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# cache would have to reload the database schema before this were possible.
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#
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do_test shared-$av.4.2.1 {
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execsql {
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CREATE TABLE abc(a, b, c);
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CREATE TABLE def(d, e, f);
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INSERT INTO abc VALUES('i', 'ii', 'iii');
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INSERT INTO def VALUES('I', 'II', 'III');
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}
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} {}
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do_test shared-$av.4.2.2 {
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execsql {
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SELECT * FROM test.abc;
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} db2
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} {i ii iii}
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# Open a read-transaction and read from table abc via handle 2. Check that
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# handle 1 can read table abc. Check that handle 1 cannot modify table abc
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# or the database schema. Then check that handle 1 can modify table def.
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#
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do_test shared-$av.4.3.1 {
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execsql {
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BEGIN;
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SELECT * FROM test.abc;
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} db2
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} {i ii iii}
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do_test shared-$av.4.3.2 {
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catchsql {
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INSERT INTO abc VALUES('iv', 'v', 'vi');
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}
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} {1 {database table is locked: abc}}
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do_test shared-$av.4.3.3 {
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catchsql {
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CREATE TABLE ghi(g, h, i);
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}
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} {1 {database table is locked: sqlite_master}}
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do_test shared-$av.4.3.3 {
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catchsql {
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INSERT INTO def VALUES('IV', 'V', 'VI');
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}
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} {0 {}}
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do_test shared-$av.4.3.4 {
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# Cleanup: commit the transaction opened by db2.
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execsql {
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COMMIT
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} db2
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} {}
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# Open a write-transaction using handle 1 and modify the database schema.
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# Then try to execute a compiled statement to read from the same
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# database via handle 2 (fails to get the lock on sqlite_master). Also
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# try to compile a read of the same database using handle 2 (also fails).
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# Finally, compile a read of the other database using handle 2. This
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# should also fail.
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#
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ifcapable compound {
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do_test shared-$av.4.4.1.2 {
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# Sanity check 1: Check that the schema is what we think it is when viewed
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# via handle 1.
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execsql {
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CREATE TABLE test2.ghi(g, h, i);
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SELECT 'test.db:'||name FROM sqlite_master
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UNION ALL
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SELECT 'test2.db:'||name FROM test2.sqlite_master;
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}
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} {test.db:abc test.db:def test2.db:ghi}
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do_test shared-$av.4.4.1.2 {
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# Sanity check 2: Check that the schema is what we think it is when viewed
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# via handle 2.
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execsql {
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SELECT 'test2.db:'||name FROM sqlite_master
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UNION ALL
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SELECT 'test.db:'||name FROM test.sqlite_master;
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} db2
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} {test2.db:ghi test.db:abc test.db:def}
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}
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do_test shared-$av.4.4.2 {
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set ::DB2 [sqlite3_connection_pointer db2]
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set sql {SELECT * FROM abc}
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set ::STMT1 [sqlite3_prepare $::DB2 $sql -1 DUMMY]
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execsql {
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BEGIN;
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CREATE TABLE jkl(j, k, l);
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}
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sqlite3_step $::STMT1
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} {SQLITE_ERROR}
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do_test shared-$av.4.4.3 {
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sqlite3_finalize $::STMT1
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} {SQLITE_LOCKED}
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do_test shared-$av.4.4.4 {
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set rc [catch {
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set ::STMT1 [sqlite3_prepare $::DB2 $sql -1 DUMMY]
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} msg]
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list $rc $msg
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} {1 {(6) database schema is locked: test}}
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do_test shared-$av.4.4.5 {
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set rc [catch {
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set ::STMT1 [sqlite3_prepare $::DB2 "SELECT * FROM ghi" -1 DUMMY]
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} msg]
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list $rc $msg
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} {1 {(6) database schema is locked: test}}
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catch {db2 close}
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catch {db close}
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#--------------------------------------------------------------------------
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# Tests shared-5.*
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#
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foreach db [list test.db test1.db test2.db test3.db] {
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forcedelete $db ${db}-journal
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}
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do_test shared-$av.5.1.1 {
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sqlite3 db1 test.db
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sqlite3 db2 test.db
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execsql {
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ATTACH 'test1.db' AS test1;
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ATTACH 'test2.db' AS test2;
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ATTACH 'test3.db' AS test3;
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} db1
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execsql {
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ATTACH 'test3.db' AS test3;
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ATTACH 'test2.db' AS test2;
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ATTACH 'test1.db' AS test1;
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} db2
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} {}
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do_test shared-$av.5.1.2 {
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execsql {
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CREATE TABLE test1.t1(a, b);
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CREATE INDEX test1.i1 ON t1(a, b);
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} db1
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} {}
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ifcapable view {
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do_test shared-$av.5.1.3 {
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execsql {
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CREATE VIEW test1.v1 AS SELECT * FROM t1;
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} db1
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} {}
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}
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ifcapable trigger {
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do_test shared-$av.5.1.4 {
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execsql {
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CREATE TRIGGER test1.trig1 AFTER INSERT ON t1 BEGIN
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INSERT INTO t1 VALUES(new.a, new.b);
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END;
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} db1
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} {}
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}
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do_test shared-$av.5.1.5 {
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execsql {
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DROP INDEX i1;
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} db2
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} {}
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ifcapable view {
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do_test shared-$av.5.1.6 {
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execsql {
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DROP VIEW v1;
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} db2
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} {}
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}
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ifcapable trigger {
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do_test shared-$av.5.1.7 {
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execsql {
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DROP TRIGGER trig1;
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} db2
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} {}
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}
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do_test shared-$av.5.1.8 {
|
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execsql {
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DROP TABLE t1;
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} db2
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} {}
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ifcapable compound {
|
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do_test shared-$av.5.1.9 {
|
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execsql {
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SELECT * FROM sqlite_master UNION ALL SELECT * FROM test1.sqlite_master
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} db1
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} {}
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}
|
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|
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#--------------------------------------------------------------------------
|
|
# Tests shared-6.* test that a query obtains all the read-locks it needs
|
|
# before starting execution of the query. This means that there is no chance
|
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# some rows of data will be returned before a lock fails and SQLITE_LOCK
|
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# is returned.
|
|
#
|
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do_test shared-$av.6.1.1 {
|
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execsql {
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CREATE TABLE t1(a, b);
|
|
CREATE TABLE t2(a, b);
|
|
INSERT INTO t1 VALUES(1, 2);
|
|
INSERT INTO t2 VALUES(3, 4);
|
|
} db1
|
|
} {}
|
|
ifcapable compound {
|
|
do_test shared-$av.6.1.2 {
|
|
execsql {
|
|
SELECT * FROM t1 UNION ALL SELECT * FROM t2;
|
|
} db2
|
|
} {1 2 3 4}
|
|
}
|
|
do_test shared-$av.6.1.3 {
|
|
# Establish a write lock on table t2 via connection db2. Then make a
|
|
# UNION all query using connection db1 that first accesses t1, followed
|
|
# by t2. If the locks are grabbed at the start of the statement (as
|
|
# they should be), no rows are returned. If (as was previously the case)
|
|
# they are grabbed as the tables are accessed, the t1 rows will be
|
|
# returned before the query fails.
|
|
#
|
|
execsql {
|
|
BEGIN;
|
|
INSERT INTO t2 VALUES(5, 6);
|
|
} db2
|
|
set ret [list]
|
|
catch {
|
|
db1 eval {SELECT * FROM t1 UNION ALL SELECT * FROM t2} {
|
|
lappend ret $a $b
|
|
}
|
|
}
|
|
set ret
|
|
} {}
|
|
do_test shared-$av.6.1.4 {
|
|
execsql {
|
|
COMMIT;
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(7, 8);
|
|
} db2
|
|
set ret [list]
|
|
catch {
|
|
db1 eval {
|
|
SELECT (CASE WHEN a>4 THEN (SELECT a FROM t1) ELSE 0 END) AS d FROM t2;
|
|
} {
|
|
lappend ret $d
|
|
}
|
|
}
|
|
set ret
|
|
} {}
|
|
|
|
catch {db1 close}
|
|
catch {db2 close}
|
|
foreach f [list test.db test2.db] {
|
|
forcedelete $f ${f}-journal
|
|
}
|
|
|
|
#--------------------------------------------------------------------------
|
|
# Tests shared-7.* test auto-vacuum does not invalidate cursors from
|
|
# other shared-cache users when it reorganizes the database on
|
|
# COMMIT.
|
|
#
|
|
do_test shared-$av.7.1 {
|
|
# This test case sets up a test database in auto-vacuum mode consisting
|
|
# of two tables, t1 and t2. Both have a single index. Table t1 is
|
|
# populated first (so consists of pages toward the start of the db file),
|
|
# t2 second (pages toward the end of the file).
|
|
sqlite3 db test.db
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
BEGIN;
|
|
CREATE TABLE t1(a PRIMARY KEY, b);
|
|
CREATE TABLE t2(a PRIMARY KEY, b);
|
|
}
|
|
set ::contents {}
|
|
for {set i 0} {$i < 100} {incr i} {
|
|
set a [string repeat "$i " 20]
|
|
set b [string repeat "$i " 20]
|
|
db eval {
|
|
INSERT INTO t1 VALUES(:a, :b);
|
|
}
|
|
lappend ::contents [list [expr $i+1] $a $b]
|
|
}
|
|
execsql {
|
|
INSERT INTO t2 SELECT * FROM t1;
|
|
COMMIT;
|
|
}
|
|
} {}
|
|
do_test shared-$av.7.2 {
|
|
# This test case deletes the contents of table t1 (the one at the start of
|
|
# the file) while many cursors are open on table t2 and its index. All of
|
|
# the non-root pages will be moved from the end to the start of the file
|
|
# when the DELETE is committed - this test verifies that moving the pages
|
|
# does not disturb the open cursors.
|
|
#
|
|
|
|
proc lockrow {db tbl oids body} {
|
|
set ret [list]
|
|
db eval "SELECT oid AS i, a, b FROM $tbl ORDER BY a" {
|
|
if {$i==[lindex $oids 0]} {
|
|
set noids [lrange $oids 1 end]
|
|
if {[llength $noids]==0} {
|
|
set subret [eval $body]
|
|
} else {
|
|
set subret [lockrow $db $tbl $noids $body]
|
|
}
|
|
}
|
|
lappend ret [list $i $a $b]
|
|
}
|
|
return [linsert $subret 0 $ret]
|
|
}
|
|
proc locktblrows {db tbl body} {
|
|
set oids [db eval "SELECT oid FROM $tbl"]
|
|
lockrow $db $tbl $oids $body
|
|
}
|
|
|
|
set scans [locktblrows db t2 {
|
|
execsql {
|
|
DELETE FROM t1;
|
|
} db2
|
|
}]
|
|
set error 0
|
|
|
|
# Test that each SELECT query returned the expected contents of t2.
|
|
foreach s $scans {
|
|
if {[lsort -integer -index 0 $s]!=$::contents} {
|
|
set error 1
|
|
}
|
|
}
|
|
set error
|
|
} {0}
|
|
|
|
catch {db close}
|
|
catch {db2 close}
|
|
unset -nocomplain contents
|
|
|
|
#--------------------------------------------------------------------------
|
|
# The following tests try to trick the shared-cache code into assuming
|
|
# the wrong encoding for a database.
|
|
#
|
|
forcedelete test.db test.db-journal
|
|
ifcapable utf16 {
|
|
do_test shared-$av.8.1.1 {
|
|
sqlite3 db test.db
|
|
execsql {
|
|
PRAGMA encoding = 'UTF-16';
|
|
SELECT * FROM sqlite_master;
|
|
}
|
|
} {}
|
|
do_test shared-$av.8.1.2 {
|
|
string range [execsql {PRAGMA encoding;}] 0 end-2
|
|
} {UTF-16}
|
|
|
|
do_test shared-$av.8.1.3 {
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
PRAGMA encoding = 'UTF-8';
|
|
CREATE TABLE abc(a, b, c);
|
|
} db2
|
|
} {}
|
|
do_test shared-$av.8.1.4 {
|
|
execsql {
|
|
SELECT * FROM sqlite_master;
|
|
}
|
|
} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
|
|
do_test shared-$av.8.1.5 {
|
|
db2 close
|
|
execsql {
|
|
PRAGMA encoding;
|
|
}
|
|
} {UTF-8}
|
|
|
|
forcedelete test2.db test2.db-journal
|
|
do_test shared-$av.8.2.1 {
|
|
execsql {
|
|
ATTACH 'test2.db' AS aux;
|
|
SELECT * FROM aux.sqlite_master;
|
|
}
|
|
} {}
|
|
do_test shared-$av.8.2.2 {
|
|
sqlite3 db2 test2.db
|
|
execsql {
|
|
PRAGMA encoding = 'UTF-16';
|
|
CREATE TABLE def(d, e, f);
|
|
} db2
|
|
string range [execsql {PRAGMA encoding;} db2] 0 end-2
|
|
} {UTF-16}
|
|
|
|
catch {db close}
|
|
catch {db2 close}
|
|
forcedelete test.db test2.db
|
|
|
|
do_test shared-$av.8.3.2 {
|
|
sqlite3 db test.db
|
|
execsql { CREATE TABLE def(d, e, f) }
|
|
execsql { PRAGMA encoding }
|
|
} {UTF-8}
|
|
do_test shared-$av.8.3.3 {
|
|
set zDb16 "[encoding convertto unicode test.db]\x00\x00"
|
|
set db16 [sqlite3_open16 $zDb16 {}]
|
|
|
|
set stmt [sqlite3_prepare $db16 "SELECT sql FROM sqlite_master" -1 DUMMY]
|
|
sqlite3_step $stmt
|
|
set sql [sqlite3_column_text $stmt 0]
|
|
sqlite3_finalize $stmt
|
|
set sql
|
|
} {CREATE TABLE def(d, e, f)}
|
|
do_test shared-$av.8.3.4 {
|
|
set stmt [sqlite3_prepare $db16 "PRAGMA encoding" -1 DUMMY]
|
|
sqlite3_step $stmt
|
|
set enc [sqlite3_column_text $stmt 0]
|
|
sqlite3_finalize $stmt
|
|
set enc
|
|
} {UTF-8}
|
|
|
|
sqlite3_close $db16
|
|
|
|
# Bug #2547 is causing this to fail.
|
|
if 0 {
|
|
do_test shared-$av.8.2.3 {
|
|
catchsql {
|
|
SELECT * FROM aux.sqlite_master;
|
|
}
|
|
} {1 {attached databases must use the same text encoding as main database}}
|
|
}
|
|
}
|
|
|
|
catch {db close}
|
|
catch {db2 close}
|
|
forcedelete test.db test2.db
|
|
|
|
#---------------------------------------------------------------------------
|
|
# The following tests - shared-9.* - test interactions between TEMP triggers
|
|
# and shared-schemas.
|
|
#
|
|
ifcapable trigger&&tempdb {
|
|
|
|
do_test shared-$av.9.1 {
|
|
sqlite3 db test.db
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
CREATE TABLE abc(a, b, c);
|
|
CREATE TABLE abc_mirror(a, b, c);
|
|
CREATE TEMP TRIGGER BEFORE INSERT ON abc BEGIN
|
|
INSERT INTO abc_mirror(a, b, c) VALUES(new.a, new.b, new.c);
|
|
END;
|
|
INSERT INTO abc VALUES(1, 2, 3);
|
|
SELECT * FROM abc_mirror;
|
|
}
|
|
} {1 2 3}
|
|
do_test shared-$av.9.2 {
|
|
execsql {
|
|
INSERT INTO abc VALUES(4, 5, 6);
|
|
SELECT * FROM abc_mirror;
|
|
} db2
|
|
} {1 2 3}
|
|
do_test shared-$av.9.3 {
|
|
db close
|
|
db2 close
|
|
} {}
|
|
|
|
} ; # End shared-9.*
|
|
|
|
#---------------------------------------------------------------------------
|
|
# The following tests - shared-10.* - test that the library behaves
|
|
# correctly when a connection to a shared-cache is closed.
|
|
#
|
|
do_test shared-$av.10.1 {
|
|
# Create a small sample database with two connections to it (db and db2).
|
|
forcedelete test.db
|
|
sqlite3 db test.db
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
CREATE TABLE ab(a PRIMARY KEY, b);
|
|
CREATE TABLE de(d PRIMARY KEY, e);
|
|
INSERT INTO ab VALUES('Chiang Mai', 100000);
|
|
INSERT INTO ab VALUES('Bangkok', 8000000);
|
|
INSERT INTO de VALUES('Ubon', 120000);
|
|
INSERT INTO de VALUES('Khon Kaen', 200000);
|
|
}
|
|
} {}
|
|
do_test shared-$av.10.2 {
|
|
# Open a read-transaction with the first connection, a write-transaction
|
|
# with the second.
|
|
execsql {
|
|
BEGIN;
|
|
SELECT * FROM ab;
|
|
}
|
|
execsql {
|
|
BEGIN;
|
|
INSERT INTO de VALUES('Pataya', 30000);
|
|
} db2
|
|
} {}
|
|
do_test shared-$av.10.3 {
|
|
# An external connection should be able to read the database, but not
|
|
# prepare a write operation.
|
|
if {$::tcl_platform(platform)=="unix"} {
|
|
sqlite3 db3 ./test.db
|
|
} else {
|
|
sqlite3 db3 TEST.DB
|
|
}
|
|
execsql {
|
|
SELECT * FROM ab;
|
|
} db3
|
|
catchsql {
|
|
BEGIN;
|
|
INSERT INTO de VALUES('Pataya', 30000);
|
|
} db3
|
|
} {1 {database is locked}}
|
|
do_test shared-$av.10.4 {
|
|
# Close the connection with the write-transaction open
|
|
db2 close
|
|
} {}
|
|
do_test shared-$av.10.5 {
|
|
# Test that the db2 transaction has been automatically rolled back.
|
|
# If it has not the ('Pataya', 30000) entry will still be in the table.
|
|
execsql {
|
|
SELECT * FROM de;
|
|
}
|
|
} {Ubon 120000 {Khon Kaen} 200000}
|
|
do_test shared-$av.10.5 {
|
|
# Closing db2 should have dropped the shared-cache back to a read-lock.
|
|
# So db3 should be able to prepare a write...
|
|
catchsql {INSERT INTO de VALUES('Pataya', 30000);} db3
|
|
} {0 {}}
|
|
do_test shared-$av.10.6 {
|
|
# ... but not commit it.
|
|
catchsql {COMMIT} db3
|
|
} {1 {database is locked}}
|
|
do_test shared-$av.10.7 {
|
|
# Commit the (read-only) db transaction. Check via db3 to make sure the
|
|
# contents of table "de" are still as they should be.
|
|
execsql {
|
|
COMMIT;
|
|
}
|
|
execsql {
|
|
SELECT * FROM de;
|
|
} db3
|
|
} {Ubon 120000 {Khon Kaen} 200000 Pataya 30000}
|
|
do_test shared-$av.10.9 {
|
|
# Commit the external transaction.
|
|
catchsql {COMMIT} db3
|
|
} {0 {}}
|
|
integrity_check shared-$av.10.10
|
|
do_test shared-$av.10.11 {
|
|
db close
|
|
db3 close
|
|
} {}
|
|
|
|
do_test shared-$av.11.1 {
|
|
forcedelete test.db
|
|
sqlite3 db test.db
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
CREATE TABLE abc(a, b, c);
|
|
CREATE TABLE abc2(a, b, c);
|
|
BEGIN;
|
|
INSERT INTO abc VALUES(1, 2, 3);
|
|
}
|
|
} {}
|
|
do_test shared-$av.11.2 {
|
|
catchsql {BEGIN;} db2
|
|
catchsql {SELECT * FROM abc;} db2
|
|
} {1 {database table is locked: abc}}
|
|
do_test shared-$av.11.3 {
|
|
catchsql {BEGIN} db2
|
|
} {1 {cannot start a transaction within a transaction}}
|
|
do_test shared-$av.11.4 {
|
|
catchsql {SELECT * FROM abc2;} db2
|
|
} {0 {}}
|
|
do_test shared-$av.11.5 {
|
|
catchsql {INSERT INTO abc2 VALUES(1, 2, 3);} db2
|
|
} {1 {database table is locked}}
|
|
do_test shared-$av.11.6 {
|
|
catchsql {SELECT * FROM abc2}
|
|
} {0 {}}
|
|
do_test shared-$av.11.6 {
|
|
execsql {
|
|
ROLLBACK;
|
|
PRAGMA read_uncommitted = 1;
|
|
} db2
|
|
} {}
|
|
do_test shared-$av.11.7 {
|
|
execsql {
|
|
INSERT INTO abc2 VALUES(4, 5, 6);
|
|
INSERT INTO abc2 VALUES(7, 8, 9);
|
|
}
|
|
} {}
|
|
do_test shared-$av.11.8 {
|
|
set res [list]
|
|
db2 eval {
|
|
SELECT abc.a as I, abc2.a as II FROM abc, abc2;
|
|
} {
|
|
execsql {
|
|
DELETE FROM abc WHERE 1;
|
|
}
|
|
lappend res $I $II
|
|
}
|
|
set res
|
|
} {1 4 {} 7}
|
|
if {[llength [info command sqlite3_shared_cache_report]]==1} {
|
|
ifcapable curdir {
|
|
do_test shared-$av.11.9 {
|
|
string tolower [sqlite3_shared_cache_report]
|
|
} [string tolower [list [file nativename [file normalize test.db]] 2]]
|
|
}
|
|
}
|
|
|
|
do_test shared-$av.11.11 {
|
|
db close
|
|
db2 close
|
|
} {}
|
|
|
|
# This tests that if it is impossible to free any pages, SQLite will
|
|
# exceed the limit set by PRAGMA cache_size.
|
|
forcedelete test.db test.db-journal
|
|
sqlite3 db test.db
|
|
ifcapable pager_pragmas {
|
|
do_test shared-$av.12.1 {
|
|
execsql {
|
|
PRAGMA cache_size = 10;
|
|
PRAGMA cache_size;
|
|
}
|
|
} {10}
|
|
}
|
|
do_test shared-$av.12.2 {
|
|
set ::db_handles [list]
|
|
for {set i 1} {$i < 15} {incr i} {
|
|
lappend ::db_handles db$i
|
|
sqlite3 db$i test.db
|
|
execsql "CREATE TABLE db${i}(a, b, c)" db$i
|
|
execsql "INSERT INTO db${i} VALUES(1, 2, 3)"
|
|
}
|
|
} {}
|
|
proc nested_select {handles} {
|
|
[lindex $handles 0] eval "SELECT * FROM [lindex $handles 0]" {
|
|
lappend ::res $a $b $c
|
|
if {[llength $handles]>1} {
|
|
nested_select [lrange $handles 1 end]
|
|
}
|
|
}
|
|
}
|
|
do_test shared-$av.12.3 {
|
|
set ::res [list]
|
|
nested_select $::db_handles
|
|
set ::res
|
|
} [string range [string repeat "1 2 3 " [llength $::db_handles]] 0 end-1]
|
|
|
|
do_test shared-$av.12.X {
|
|
db close
|
|
foreach h $::db_handles {
|
|
$h close
|
|
}
|
|
} {}
|
|
|
|
# Internally, locks are acquired on shared B-Tree structures in the order
|
|
# that the structures appear in the virtual memory address space. This
|
|
# test case attempts to cause the order of the structures in memory
|
|
# to be different from the order in which they are attached to a given
|
|
# database handle. This covers an extra line or two.
|
|
#
|
|
do_test shared-$av.13.1 {
|
|
forcedelete test2.db test3.db test4.db test5.db
|
|
sqlite3 db :memory:
|
|
execsql {
|
|
ATTACH 'test2.db' AS aux2;
|
|
ATTACH 'test3.db' AS aux3;
|
|
ATTACH 'test4.db' AS aux4;
|
|
ATTACH 'test5.db' AS aux5;
|
|
DETACH aux2;
|
|
DETACH aux3;
|
|
DETACH aux4;
|
|
ATTACH 'test2.db' AS aux2;
|
|
ATTACH 'test3.db' AS aux3;
|
|
ATTACH 'test4.db' AS aux4;
|
|
}
|
|
} {}
|
|
do_test shared-$av.13.2 {
|
|
execsql {
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE TABLE aux2.t2(a, b, c);
|
|
CREATE TABLE aux3.t3(a, b, c);
|
|
CREATE TABLE aux4.t4(a, b, c);
|
|
CREATE TABLE aux5.t5(a, b, c);
|
|
SELECT count(*) FROM
|
|
aux2.sqlite_master,
|
|
aux3.sqlite_master,
|
|
aux4.sqlite_master,
|
|
aux5.sqlite_master
|
|
}
|
|
} {1}
|
|
do_test shared-$av.13.3 {
|
|
db close
|
|
} {}
|
|
|
|
# Test that nothing horrible happens if a connection to a shared B-Tree
|
|
# structure is closed while some other connection has an open cursor.
|
|
#
|
|
do_test shared-$av.14.1 {
|
|
sqlite3 db test.db
|
|
sqlite3 db2 test.db
|
|
execsql {SELECT name FROM sqlite_master}
|
|
} {db1 db2 db3 db4 db5 db6 db7 db8 db9 db10 db11 db12 db13 db14}
|
|
do_test shared-$av.14.2 {
|
|
set res [list]
|
|
db eval {SELECT name FROM sqlite_master} {
|
|
if {$name eq "db7"} {
|
|
db2 close
|
|
}
|
|
lappend res $name
|
|
}
|
|
set res
|
|
} {db1 db2 db3 db4 db5 db6 db7 db8 db9 db10 db11 db12 db13 db14}
|
|
do_test shared-$av.14.3 {
|
|
db close
|
|
} {}
|
|
|
|
# Populate a database schema using connection [db]. Then drop it using
|
|
# [db2]. This is to try to find any points where shared-schema elements
|
|
# are allocated using the lookaside buffer of [db].
|
|
#
|
|
# Mutexes are enabled for this test as that activates a couple of useful
|
|
# assert() statements in the C code.
|
|
#
|
|
do_test shared-$av-15.1 {
|
|
forcedelete test.db
|
|
sqlite3 db test.db -fullmutex 1
|
|
sqlite3 db2 test.db -fullmutex 1
|
|
execsql {
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE INDEX i1 ON t1(a, b);
|
|
CREATE VIEW v1 AS SELECT * FROM t1;
|
|
CREATE VIEW v2 AS SELECT * FROM t1, v1
|
|
WHERE t1.c=v1.c GROUP BY t1.a ORDER BY v1.b;
|
|
CREATE TRIGGER tr1 AFTER INSERT ON t1
|
|
WHEN new.a!=1
|
|
BEGIN
|
|
DELETE FROM t1 WHERE a=5;
|
|
INSERT INTO t1 VALUES(1, 2, 3);
|
|
UPDATE t1 SET c=c+1;
|
|
END;
|
|
|
|
INSERT INTO t1 VALUES(5, 6, 7);
|
|
INSERT INTO t1 VALUES(8, 9, 10);
|
|
INSERT INTO t1 VALUES(11, 12, 13);
|
|
ANALYZE;
|
|
SELECT * FROM t1;
|
|
}
|
|
} {1 2 6 8 9 12 1 2 5 11 12 14 1 2 4}
|
|
do_test shared-$av-15.2 {
|
|
execsql { DROP TABLE t1 } db2
|
|
} {}
|
|
db close
|
|
db2 close
|
|
|
|
# Shared cache on a :memory: database. This only works for URI filenames.
|
|
#
|
|
do_test shared-$av-16.1 {
|
|
sqlite3 db1 file::memory: -uri 1
|
|
sqlite3 db2 file::memory: -uri 1
|
|
db1 eval {
|
|
CREATE TABLE t1(x); INSERT INTO t1 VALUES(1),(2),(3);
|
|
}
|
|
db2 eval {
|
|
SELECT x FROM t1 ORDER BY x;
|
|
}
|
|
} {1 2 3}
|
|
do_test shared-$av-16.2 {
|
|
db2 eval {
|
|
INSERT INTO t1 VALUES(99);
|
|
DELETE FROM t1 WHERE x=2;
|
|
}
|
|
db1 eval {
|
|
SELECT x FROM t1 ORDER BY x;
|
|
}
|
|
} {1 3 99}
|
|
|
|
# Verify that there is no cache sharing ordinary (non-URI) filenames are
|
|
# used.
|
|
#
|
|
do_test shared-$av-16.3 {
|
|
db1 close
|
|
db2 close
|
|
sqlite3 db1 :memory:
|
|
sqlite3 db2 :memory:
|
|
db1 eval {
|
|
CREATE TABLE t1(x); INSERT INTO t1 VALUES(4),(5),(6);
|
|
}
|
|
catchsql {
|
|
SELECT * FROM t1;
|
|
} db2
|
|
} {1 {no such table: t1}}
|
|
|
|
# Shared cache on named memory databases.
|
|
#
|
|
do_test shared-$av-16.4 {
|
|
db1 close
|
|
db2 close
|
|
forcedelete test.db test.db-wal test.db-journal
|
|
sqlite3 db1 file:test.db?mode=memory -uri 1
|
|
sqlite3 db2 file:test.db?mode=memory -uri 1
|
|
db1 eval {
|
|
CREATE TABLE t1(x); INSERT INTO t1 VALUES(1),(2),(3);
|
|
}
|
|
db2 eval {
|
|
SELECT x FROM t1 ORDER BY x;
|
|
}
|
|
} {1 2 3}
|
|
do_test shared-$av-16.5 {
|
|
db2 eval {
|
|
INSERT INTO t1 VALUES(99);
|
|
DELETE FROM t1 WHERE x=2;
|
|
}
|
|
db1 eval {
|
|
SELECT x FROM t1 ORDER BY x;
|
|
}
|
|
} {1 3 99}
|
|
do_test shared-$av-16.6 {
|
|
file exists test.db
|
|
} {0} ;# Verify that the database is in-memory
|
|
|
|
# Shared cache on named memory databases with different names.
|
|
#
|
|
do_test shared-$av-16.7 {
|
|
db1 close
|
|
db2 close
|
|
forcedelete test1.db test2.db
|
|
sqlite3 db1 file:test1.db?mode=memory -uri 1
|
|
sqlite3 db2 file:test2.db?mode=memory -uri 1
|
|
db1 eval {
|
|
CREATE TABLE t1(x); INSERT INTO t1 VALUES(1),(2),(3);
|
|
}
|
|
catchsql {
|
|
SELECT x FROM t1 ORDER BY x;
|
|
} db2
|
|
} {1 {no such table: t1}}
|
|
do_test shared-$av-16.8 {
|
|
file exists test1.db
|
|
} {0} ;# Verify that the database is in-memory
|
|
|
|
# Shared cache on named memory databases attached to readonly connections.
|
|
#
|
|
do_test shared-$av-16.8.1 {
|
|
db1 close
|
|
db2 close
|
|
|
|
sqlite3 db test1.db
|
|
db eval {
|
|
CREATE TABLE yy(a, b);
|
|
INSERT INTO yy VALUES(77, 88);
|
|
}
|
|
db close
|
|
|
|
sqlite3 db1 test1.db -uri 1 -readonly 1
|
|
sqlite3 db2 test2.db -uri 1
|
|
|
|
db1 eval {
|
|
ATTACH 'file:mem?mode=memory&cache=shared' AS shared;
|
|
CREATE TABLE shared.xx(a, b);
|
|
INSERT INTO xx VALUES(55, 66);
|
|
}
|
|
db2 eval {
|
|
ATTACH 'file:mem?mode=memory&cache=shared' AS shared;
|
|
SELECT * FROM xx;
|
|
}
|
|
} {55 66}
|
|
|
|
do_test shared-$av-16.8.2 { db1 eval { SELECT * FROM yy } } {77 88}
|
|
do_test shared-$av-16.8.3 {
|
|
list [catch {db1 eval { INSERT INTO yy VALUES(1, 2) }} msg] $msg
|
|
} {1 {attempt to write a readonly database}}
|
|
|
|
db1 close
|
|
db2 close
|
|
|
|
} ;# end of autovacuum on/off loop
|
|
|
|
sqlite3_enable_shared_cache $::enable_shared_cache
|
|
finish_test
|