/trunk/test/incrblob2.test |
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# 2008 June 9 |
# |
# 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. |
# |
#*********************************************************************** |
# |
# Test that it is possible to have two open blob handles on a single |
# blob object. |
# |
# $Id: incrblob2.test,v 1.11 2009/06/29 06:00:37 danielk1977 Exp $ |
# |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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ifcapable {!autovacuum || !pragma || !incrblob} { |
finish_test |
return |
} |
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do_test incrblob2-1.0 { |
execsql { |
CREATE TABLE blobs(id INTEGER PRIMARY KEY, data BLOB); |
INSERT INTO blobs VALUES(NULL, zeroblob(5000)); |
INSERT INTO blobs VALUES(NULL, zeroblob(5000)); |
INSERT INTO blobs VALUES(NULL, zeroblob(5000)); |
INSERT INTO blobs VALUES(NULL, zeroblob(5000)); |
} |
} {} |
|
foreach iOffset [list 0 256 4094] { |
do_test incrblob2-1.$iOffset.1 { |
set fd [db incrblob blobs data 1] |
puts $fd "[string repeat x $iOffset]SQLite version 3.6.0" |
close $fd |
} {} |
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do_test incrblob2-1.$iOffset.2 { |
set fd1 [db incrblob blobs data 1] |
set fd2 [db incrblob blobs data 1] |
fconfigure $fd1 -buffering none |
fconfigure $fd2 -buffering none |
if {$iOffset != 0} { |
seek $fd2 $iOffset start |
seek $fd1 $iOffset start |
} |
read $fd1 6 |
} {SQLite} |
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do_test incrblob2-1.$iOffset.3 { |
read $fd2 6 |
} {SQLite} |
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do_test incrblob2-1.$iOffset.4 { |
seek $fd2 $iOffset start |
seek $fd1 $iOffset start |
puts -nonewline $fd2 "etiLQS" |
} {} |
|
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do_test incrblob2-1.$iOffset.5 { |
seek $fd1 $iOffset start |
read $fd1 6 |
} {etiLQS} |
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do_test incrblob2-1.$iOffset.6 { |
seek $fd2 $iOffset start |
read $fd2 6 |
} {etiLQS} |
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do_test incrblob2-1.$iOffset.7 { |
seek $fd1 $iOffset start |
read $fd1 6 |
} {etiLQS} |
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do_test incrblob2-1.$iOffset.8 { |
close $fd1 |
close $fd2 |
} {} |
} |
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#-------------------------------------------------------------------------- |
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foreach iOffset [list 0 256 4094] { |
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do_test incrblob2-2.$iOffset.1 { |
set fd1 [db incrblob blobs data 1] |
seek $fd1 [expr $iOffset - 5000] end |
fconfigure $fd1 -buffering none |
|
set fd2 [db incrblob blobs data 1] |
seek $fd2 [expr $iOffset - 5000] end |
fconfigure $fd2 -buffering none |
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puts -nonewline $fd1 "123456" |
} {} |
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do_test incrblob2-2.$iOffset.2 { |
read $fd2 6 |
} {123456} |
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do_test incrblob2-2.$iOffset.3 { |
close $fd1 |
close $fd2 |
} {} |
} |
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do_test incrblob2-3.1 { |
set fd1 [db incrblob blobs data 1] |
fconfigure $fd1 -buffering none |
} {} |
do_test incrblob2-3.2 { |
execsql { |
INSERT INTO blobs VALUES(5, zeroblob(10240)); |
} |
} {} |
do_test incrblob2-3.3 { |
set rc [catch { read $fd1 6 } msg] |
list $rc $msg |
} {0 123456} |
do_test incrblob2-3.4 { |
close $fd1 |
} {} |
|
#-------------------------------------------------------------------------- |
# The following tests - incrblob2-4.* - test that blob handles are |
# invalidated at the correct times. |
# |
do_test incrblob2-4.1 { |
unset -nocomplain data |
db eval BEGIN |
db eval { CREATE TABLE t1(id INTEGER PRIMARY KEY, data BLOB); } |
for {set ii 1} {$ii < 100} {incr ii} { |
set data [string repeat "blob$ii" 500] |
db eval { INSERT INTO t1 VALUES($ii, $data) } |
} |
db eval COMMIT |
} {} |
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proc aborted_handles {} { |
global handles |
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set aborted {} |
for {set ii 1} {$ii < 100} {incr ii} { |
set str "blob$ii" |
set nByte [string length $str] |
set iOffset [expr $nByte * $ii * 2] |
|
set rc [catch {sqlite3_blob_read $handles($ii) $iOffset $nByte} msg] |
if {$rc && $msg eq "SQLITE_ABORT"} { |
lappend aborted $ii |
} else { |
if {$rc || $msg ne $str} { |
error "blob $ii: $msg" |
} |
} |
} |
set aborted |
} |
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do_test incrblob2-4.2 { |
for {set ii 1} {$ii < 100} {incr ii} { |
set handles($ii) [db incrblob t1 data $ii] |
} |
aborted_handles |
} {} |
|
# Update row 3. This should abort handle 3 but leave all others untouched. |
# |
do_test incrblob2-4.3 { |
db eval {UPDATE t1 SET data = data || '' WHERE id = 3} |
aborted_handles |
} {3} |
|
# Test that a write to handle 3 also returns SQLITE_ABORT. |
# |
do_test incrblob2-4.3.1 { |
set rc [catch {sqlite3_blob_write $::handles(3) 10 HELLO} msg] |
list $rc $msg |
} {1 SQLITE_ABORT} |
|
# Delete row 14. This should abort handle 6 but leave all others untouched. |
# |
do_test incrblob2-4.4 { |
db eval {DELETE FROM t1 WHERE id = 14} |
aborted_handles |
} {3 14} |
|
# Change the rowid of row 15 to 102. Should abort handle 15. |
# |
do_test incrblob2-4.5 { |
db eval {UPDATE t1 SET id = 102 WHERE id = 15} |
aborted_handles |
} {3 14 15} |
|
# Clobber row 92 using INSERT OR REPLACE. |
# |
do_test incrblob2-4.6 { |
db eval {INSERT OR REPLACE INTO t1 VALUES(92, zeroblob(1000))} |
aborted_handles |
} {3 14 15 92} |
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# Clobber row 65 using UPDATE OR REPLACE on row 35. This should abort |
# handles 35 and 65. |
# |
do_test incrblob2-4.7 { |
db eval {UPDATE OR REPLACE t1 SET id = 65 WHERE id = 35} |
aborted_handles |
} {3 14 15 35 65 92} |
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# Insert a couple of new rows. This should not invalidate any handles. |
# |
do_test incrblob2-4.9 { |
db eval {INSERT INTO t1 SELECT NULL, data FROM t1} |
aborted_handles |
} {3 14 15 35 65 92} |
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# Delete all rows from 1 to 25. This should abort all handles up to 25. |
# |
do_test incrblob2-4.9 { |
db eval {DELETE FROM t1 WHERE id >=1 AND id <= 25} |
aborted_handles |
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 35 65 92} |
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# Delete the whole table (this will use sqlite3BtreeClearTable()). All handles |
# should now be aborted. |
# |
do_test incrblob2-4.10 { |
db eval {DELETE FROM t1} |
aborted_handles |
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99} |
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do_test incrblob2-4.1.X { |
for {set ii 1} {$ii < 100} {incr ii} { |
close $handles($ii) |
} |
} {} |
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#-------------------------------------------------------------------------- |
# The following tests - incrblob2-5.* - test that in shared cache an open |
# blob handle counts as a read-lock on its table. |
# |
ifcapable shared_cache { |
db close |
set ::enable_shared_cache [sqlite3_enable_shared_cache 1] |
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do_test incrblob2-5.1 { |
sqlite3 db test.db |
sqlite3 db2 test.db |
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execsql { |
INSERT INTO t1 VALUES(1, 'abcde'); |
} |
} {} |
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do_test incrblob2-5.2 { |
catchsql { INSERT INTO t1 VALUES(2, 'fghij') } db2 |
} {0 {}} |
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do_test incrblob2-5.3 { |
set blob [db incrblob t1 data 1] |
catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2 |
} {1 {database table is locked}} |
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do_test incrblob2-5.4 { |
close $blob |
execsql BEGIN db2 |
catchsql { INSERT INTO t1 VALUES(4, 'pqrst') } db2 |
} {0 {}} |
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do_test incrblob2-5.5 { |
set rc [catch { db incrblob -readonly t1 data 1 } msg] |
list $rc $msg |
} {1 {database table is locked: t1}} |
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do_test incrblob2-5.6 { |
execsql { PRAGMA read_uncommitted=1 } |
set blob [db incrblob -readonly t1 data 4] |
read $blob |
} {pqrst} |
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do_test incrblob2-5.7 { |
catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2 |
} {0 {}} |
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do_test incrblob2-5.8 { |
close $blob |
} {} |
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db2 close |
db close |
sqlite3_enable_shared_cache $::enable_shared_cache |
} |
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#-------------------------------------------------------------------------- |
# The following tests - incrblob2-6.* - test a specific scenario that might |
# be causing an error. |
# |
sqlite3 db test.db |
do_test incrblob2-6.1 { |
execsql { |
DELETE FROM t1; |
INSERT INTO t1 VALUES(1, zeroblob(100)); |
} |
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set rdHandle [db incrblob -readonly t1 data 1] |
set wrHandle [db incrblob t1 data 1] |
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sqlite3_blob_read $rdHandle 0 100 |
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sqlite3_blob_write $wrHandle 0 ABCDEF |
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close $wrHandle |
close $rdHandle |
} {} |
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do_test incrblob2-6.2 { |
set rdHandle [db incrblob -readonly t1 data 1] |
sqlite3_blob_read $rdHandle 0 2 |
} {AB} |
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do_test incrblob2-6.3 { |
set wrHandle [db incrblob t1 data 1] |
sqlite3_blob_write $wrHandle 0 ZZZZZZZZZZ |
sqlite3_blob_read $rdHandle 2 4 |
} {ZZZZ} |
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do_test incrblob2-6.4 { |
close $wrHandle |
close $rdHandle |
} {} |
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sqlite3_memory_highwater 1 |
do_test incrblob2-7.1 { |
db eval { |
CREATE TABLE t2(B BLOB); |
INSERT INTO t2 VALUES(zeroblob(10 * 1024 * 1024)); |
} |
expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} |
} {1} |
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do_test incrblob2-7.2 { |
set h [db incrblob t2 B 1] |
expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} |
} {1} |
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do_test incrblob2-7.3 { |
seek $h 0 end |
tell $h |
} [expr 10 * 1024 * 1024] |
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do_test incrblob2-7.4 { |
expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} |
} {1} |
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do_test incrblob2-7.5 { |
close $h |
} {} |
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#--------------------------------------------------------------------------- |
# The following tests, incrblob2-8.*, test that nothing terrible happens |
# when a statement transaction is rolled back while there are open |
# incremental-blob handles. At one point an assert() was failing when |
# this was attempted. |
# |
do_test incrblob2-8.1 { |
execsql BEGIN |
set h [db incrblob t2 B 1] |
set rc [catch { |
db eval {SELECT rowid FROM t2} { execsql "DROP TABLE t2" } |
} msg] |
list $rc $msg |
} {1 {database table is locked}} |
do_test incrblob2-8.2 { |
close $h |
execsql COMMIT |
} {} |
do_test incrblob2-8.3 { |
execsql { |
CREATE TABLE t3(a INTEGER UNIQUE, b TEXT); |
INSERT INTO t3 VALUES(1, 'aaaaaaaaaaaaaaaaaaaa'); |
INSERT INTO t3 VALUES(2, 'bbbbbbbbbbbbbbbbbbbb'); |
INSERT INTO t3 VALUES(3, 'cccccccccccccccccccc'); |
INSERT INTO t3 VALUES(4, 'dddddddddddddddddddd'); |
INSERT INTO t3 VALUES(5, 'eeeeeeeeeeeeeeeeeeee'); |
} |
} {} |
do_test incrblob2-8.4 { |
execsql BEGIN |
set h [db incrblob t3 b 3] |
sqlite3_blob_read $h 0 20 |
} {cccccccccccccccccccc} |
do_test incrblob2-8.5 { |
catchsql {UPDATE t3 SET a = 6 WHERE a > 3} |
} {1 {column a is not unique}} |
do_test incrblob2-8.6 { |
catchsql {UPDATE t3 SET a = 6 WHERE a > 3} |
} {1 {column a is not unique}} |
do_test incrblob2-8.7 { |
sqlite3_blob_read $h 0 20 |
} {cccccccccccccccccccc} |
do_test incrblob2-8.8 { |
catchsql {UPDATE t3 SET a = 6 WHERE a = 3 OR a = 5} |
} {1 {column a is not unique}} |
do_test incrblob2-8.9 { |
set rc [catch {sqlite3_blob_read $h 0 20} msg] |
list $rc $msg |
} {1 SQLITE_ABORT} |
do_test incrblob2-8.X { |
close $h |
} {} |
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finish_test |