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Fix some errors to do with attached databases and text encodings in shared-cache mode. (CVS 2895)

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FossilOrigin-Name: 3e75d3d5efebc0dfff1adfc13d85e85ec39db3eb
This commit is contained in:
danielk1977
2006-01-09 16:12:04 +00:00
parent 52622828ce
commit 14db26653a
19 changed files with 205 additions and 143 deletions
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76
test/shared.test
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@ -8,10 +8,8 @@
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is testing the SELECT statement.
#
# $Id: shared.test,v 1.7 2006/01/09 06:29:49 danielk1977 Exp $
# $Id: shared.test,v 1.8 2006/01/09 16:12:05 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -35,7 +33,7 @@ set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
# shared-5.*: Test that creating/dropping schema items works when databases
# are attached in different orders to different handles.
# shared-6.*: Locking, UNION ALL queries and sub-queries.
# shared-6.*: Autovacuum and shared-cache.
# shared-7.*: Autovacuum and shared-cache.
#
do_test shared-1.1 {
@ -475,6 +473,10 @@ foreach f [list test.db test2.db] {
# COMMIT.
#
do_test shared-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 {
@ -500,6 +502,13 @@ do_test shared-7.1 {
}
} {1}
do_test shared-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 it's 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" {
@ -526,6 +535,8 @@ do_test shared-7.2 {
} 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
@ -537,6 +548,63 @@ do_test shared-7.2 {
catch {db close}
catch {db2 close}
#--------------------------------------------------------------------------
# The following tests try to trick the shared-cache code into assuming
# the wrong encoding for a database.
#
file delete -force test.db test.db-journal
do_test shared-8.1.1 {
sqlite3 db test.db
execsql {
PRAGMA encoding = 'UTF-16';
SELECT * FROM sqlite_master;
}
} {}
do_test shared-8.1.2 {
string range [execsql {PRAGMA encoding;}] 0 end-2
} {UTF-16}
do_test shared-8.1.3 {
sqlite3 db2 test.db
execsql {
PRAGMA encoding = 'UTF-8';
CREATE TABLE abc(a, b, c);
} db2
} {}
do_test shared-8.1.4 {
execsql {
SELECT * FROM sqlite_master;
}
} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
do_test shared-8.1.5 {
db2 close
execsql {
PRAGMA encoding;
}
} {UTF-8}
file delete -force test2.db test2.db-journal
do_test shared-8.2.1 {
execsql {
ATTACH 'test2.db' AS aux;
SELECT * FROM aux.sqlite_master;
}
} {}
do_test shared-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}
do_test shared-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}
finish_test
sqlite3_enable_shared_cache $::enable_shared_cache