3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
13 # $Id: misc7.test,v 1.29 2009/07/16 18:21:18 drh Exp $
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
18 do_test misc7-1-misuse {
30 # Try to open a directory:
39 } {1 {unable to open database file}}
41 # Try to open a file with a directory where its journal file should be.
45 file mkdir mydir-journal
48 CREATE TABLE abc(a, b, c);
50 } {1 {unable to open database file}}
53 #--------------------------------------------------------------------
54 # The following tests, misc7-6.* test the libraries behaviour when
55 # it cannot open a file. To force this condition, we use up all the
56 # file-descriptors before running sqlite. This probably only works
60 proc use_up_files {} {
63 while 1 { lappend ret [open test.db] }
68 proc do_fileopen_test {prefix sql} {
69 set fd_list [use_up_files]
75 do_test ${prefix}.${::n} {
80 if {$rc == 0} {set ::go 0}
82 expr {$rc == 0 || ($rc == 1 && [string first unable $msg]==0)}
85 close [lindex $fd_list 0]
86 set fd_list [lrange $fd_list 1 end]
95 execsql { CREATE TABLE abc(a PRIMARY KEY, b, c); }
98 if {$tcl_platform(platform)!="windows"} {
99 do_fileopen_test misc7-6.1 {
101 INSERT INTO abc VALUES(1, 2, 3);
102 INSERT INTO abc VALUES(2, 3, 4);
103 INSERT INTO abc SELECT a+2, b, c FROM abc;
107 do_fileopen_test misc7-6.2 {
108 PRAGMA temp.cache_size = 1000;
113 # End of tests for out-of-file-descriptors condition.
114 #--------------------------------------------------------------------
119 INSERT INTO abc VALUES(1, 2, 3);
120 INSERT INTO abc VALUES(2, 3, 4);
121 INSERT INTO abc SELECT a+2, b, c FROM abc;
125 #--------------------------------------------------------------------
126 # Test that the sqlite3_busy_timeout call seems to delay approximately
127 # the right amount of time.
131 sqlite3_busy_timeout [sqlite3_connection_pointer db] 2000
136 # Now db2 has an exclusive lock on the database file, and db has
137 # a busy-timeout of 2000 milliseconds. So check that trying to
138 # access the database using connection db delays for at least 1500 ms.
141 set result [catchsql {
142 SELECT * FROM sqlite_master;
145 set delay [lindex $tm 0] ;# In microseconds
146 lappend result [expr {$delay>1500000 && $delay<4000000}]
147 } {1 {database is locked} 1}
150 #--------------------------------------------------------------------
151 # Test that nothing goes horribly wrong when attaching a database
152 # after the omit_readlock pragma has been exercised.
155 file delete -force test2.db
156 file delete -force test2.db-journal
158 PRAGMA omit_readlock = 1;
159 ATTACH 'test2.db' AS aux;
160 CREATE TABLE aux.hello(world);
161 SELECT name FROM aux.sqlite_master;
171 sqlite3 db test.db -readonly 1
173 PRAGMA omit_readlock = 1;
174 ATTACH 'test2.db' AS aux;
175 SELECT name FROM aux.sqlite_master;
176 SELECT name FROM aux.sqlite_master;
182 set ::DB [sqlite3_connection_pointer db]
186 # Test the UTF-16 version of the "out of memory" message (used when
187 # malloc fails during sqlite3_open() ).
191 encoding convertfrom unicode [sqlite3_errmsg16 0x00000000]
198 FROM (SELECT name+1 AS one FROM sqlite_master LIMIT 1 OFFSET 1)
199 WHERE one LIKE 'hello%';
203 #--------------------------------------------------------------------
204 # Improve coverage for vtab code.
207 # Run some debug code to improve reported coverage
210 # set sqlite_where_trace 1
212 register_echo_module [sqlite3_connection_pointer db]
214 CREATE VIRTUAL TABLE t1 USING echo(abc);
215 SELECT a FROM t1 WHERE a = 1 ORDER BY b;
218 set sqlite_where_trace 0
220 # Specify an ORDER BY clause that cannot be indexed.
223 SELECT t1.a, t2.a FROM t1, t1 AS t2 ORDER BY 2 LIMIT 1;
227 # The whole point of this is to test an error code other than
228 # SQLITE_NOMEM from the vtab xBestIndex callback.
230 do_ioerr_test misc7-12 -tclprep {
232 register_echo_module [sqlite3_connection_pointer db2]
234 CREATE TABLE abc(a PRIMARY KEY, b, c);
235 INSERT INTO abc VALUES(1, 2, 3);
236 CREATE VIRTUAL TABLE t1 USING echo(abc);
240 register_echo_module [sqlite3_connection_pointer db]
241 execsql {SELECT * FROM t1 WHERE a = 1;}
244 # The case where the virtual table module returns a very large number
245 # as the cost of a scan (greater than SQLITE_BIG_DOUBLE in the code).
249 register_echo_module [sqlite3_connection_pointer db]
250 set ::echo_module_cost 2.0e+99
251 execsql {SELECT * FROM t1 WHERE a = 1;}
253 unset ::echo_module_cost
257 file delete -force test.db
258 file delete -force test.db-journal
262 do_execsql_test misc7-14.1 {
263 CREATE TABLE abc(a PRIMARY KEY, b, c);
264 EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid = 1;
266 0 0 0 {SEARCH TABLE abc AS t2 USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
268 do_execsql_test misc7-14.2 {
269 EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE a = 1;
271 {SEARCH TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1 (a=?) (~1 rows)}
273 do_execsql_test misc7-14.3 {
274 EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 ORDER BY a;
276 {SCAN TABLE abc AS t2 USING INDEX sqlite_autoindex_abc_1 (~1000000 rows)}
281 file delete -force test.db
282 file delete -force test.db-journal
285 #--------------------------------------------------------------------
286 # This is all to force the pager_remove_from_stmt_list() function
287 # (inside pager.c) to remove a pager from the middle of the
292 PRAGMA cache_size = 10;
294 CREATE TABLE abc(a PRIMARY KEY, b, c);
296 VALUES(randstr(100,100), randstr(100,100), randstr(100,100));
297 INSERT INTO abc SELECT
298 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
299 INSERT INTO abc SELECT
300 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
301 INSERT INTO abc SELECT
302 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
303 INSERT INTO abc SELECT
304 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
305 INSERT INTO abc SELECT
306 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
307 INSERT INTO abc SELECT
308 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
309 INSERT INTO abc SELECT
310 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
311 INSERT INTO abc SELECT
312 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
315 expr {[file size test.db]>10240}
319 DELETE FROM abc WHERE rowid > 12;
320 INSERT INTO abc SELECT
321 randstr(100,100), randstr(100,100), randstr(100,100) FROM abc;
326 file delete -force test.db
327 file delete -force test.db-journal
330 do_ioerr_test misc7-16 -sqlprep {
331 PRAGMA cache_size = 10;
332 PRAGMA default_cache_size = 10;
333 CREATE TABLE t3(a, b, UNIQUE(a, b));
334 INSERT INTO t3 VALUES( randstr(100, 100), randstr(100, 100) );
335 INSERT INTO t3 SELECT randstr(100, 100), randstr(100, 100) FROM t3;
336 INSERT INTO t3 SELECT randstr(100, 100), randstr(100, 100) FROM t3;
337 INSERT INTO t3 SELECT randstr(100, 100), randstr(100, 100) FROM t3;
338 INSERT INTO t3 SELECT randstr(100, 100), randstr(100, 100) FROM t3;
339 INSERT INTO t3 SELECT randstr(100, 100), randstr(100, 100) FROM t3;
341 SET b = 'hello world'
342 WHERE rowid >= (SELECT max(rowid)-1 FROM t3);
344 set rc [catch {db eval {
346 PRAGMA cache_size = 10;
347 INSERT INTO t3 VALUES( randstr(100, 100), randstr(100, 100) );
352 if {!$rc || ($rc && [string first "columns" $msg]==0)} {
363 SELECT count(*) FROM t3;
367 #----------------------------------------------------------------------
368 # Test the situation where a hot-journal is discovered but write-access
369 # to it is denied. This should return SQLITE_BUSY.
371 # These tests do not work on windows due to restrictions in the
372 # windows file system.
374 if {$tcl_platform(platform)!="windows" && $tcl_platform(platform)!="os2"} {
376 # Some network filesystems (ex: AFP) do not support setting read-only
377 # permissions. Only run these tests if full unix permission setting
378 # capabilities are supported.
380 file attributes test.db -permissions rw-r--r--
381 if {[file attributes test.db -permissions]==0644} {
386 DELETE FROM t3 WHERE (oid%3)==0;
388 copy_file test.db bak.db
389 copy_file test.db-journal bak.db-journal
395 copy_file bak.db test.db
396 copy_file bak.db-journal test.db-journal
399 catch {file attributes test.db-journal -permissions r--------}
400 catch {file attributes test.db-journal -readonly 1}
402 SELECT count(*) FROM t3;
404 } {1 {unable to open database file}}
406 # Note that the -readonly flag must be cleared before the -permissions
407 # are set. Otherwise, when using tcl 8.5 on mac, the fact that the
408 # -readonly flag is set causes the attempt to set the permissions
410 catch {file attributes test.db-journal -readonly 0}
411 catch {file attributes test.db-journal -permissions rw-------}
413 SELECT count(*) FROM t3;
417 # sqlite3_test_control_pending_page [expr ($::sqlite_pending_byte / 1024) + 1]
418 set ::pending_byte_page [expr ($::sqlite_pending_byte / 1024) + 1]
419 sqlite3_test_control_pending_byte $::sqlite_pending_byte
422 pragma writable_schema = true;
424 SET rootpage = $pending_byte_page
425 WHERE type = 'table' AND name = 't3';
428 SELECT rootpage FROM sqlite_master WHERE type = 'table' AND name = 't3';
430 } $::pending_byte_page
436 SELECT count(*) FROM t3;
438 } {1 {database disk image is malformed}}
446 CREATE TABLE table_1 (col_10);
447 CREATE TABLE table_2 (
448 col_1, col_2, col_3, col_4, col_5,
449 col_6, col_7, col_8, col_9, col_10
453 (SELECT table_1.col_10 AS col_10 FROM table_1) a,
454 (SELECT table_1.col_10, table_2.col_9 AS qcol_9
455 FROM table_1, table_2
456 GROUP BY table_1.col_10, qcol_9);
460 # Testing boundary conditions on sqlite3_status()
466 sqlite3_status 1000 0
470 # sqlite3_global_recover() is a no-op. But we might as well test it
471 # if only to get the test coverage.
474 sqlite3_global_recover
477 # Try to open a really long file name.
480 set zFile [file join [pwd] "[string repeat abcde 104].db"]
481 set rc [catch {sqlite3 db2 $zFile} msg]
483 } {1 {unable to open database file}}
487 file delete -force test.db