267 lines
6.1 KiB
Plaintext
267 lines
6.1 KiB
Plaintext
# 2018 May 8
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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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# This file implements regression tests for SQLite library.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix windowfault
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ifcapable !windowfunc {
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finish_test
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return
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}
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b, c, d);
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INSERT INTO t1 VALUES(1, 2, 3, 4);
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INSERT INTO t1 VALUES(5, 6, 7, 8);
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INSERT INTO t1 VALUES(9, 10, 11, 12);
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}
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faultsim_save_and_close
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do_faultsim_test 1 -start 1 -faults oom-t* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT row_number() OVER win,
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rank() OVER win,
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dense_rank() OVER win,
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ntile(2) OVER win,
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first_value(d) OVER win,
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last_value(d) OVER win,
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nth_value(d,2) OVER win,
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lead(d) OVER win,
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lag(d) OVER win,
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max(d) OVER win,
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min(d) OVER win
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FROM t1
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WINDOW win AS (ORDER BY a)
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}
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} -test {
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faultsim_test_result {0 {1 1 1 1 4 4 {} 8 {} 4 4 2 2 2 1 4 8 8 12 4 8 4 3 3 3 2 4 12 8 {} 8 12 4}}
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}
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do_faultsim_test 1.1 -faults oom-t* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT row_number() OVER win,
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rank() OVER win,
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dense_rank() OVER win
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FROM t1
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WINDOW win AS (PARTITION BY c<7 ORDER BY a)
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}
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} -test {
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faultsim_test_result {0 {1 1 1 2 2 2 1 1 1}}
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}
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do_faultsim_test 1.2 -faults oom-t* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT ntile(105)
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OVER ( RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW )
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FROM t1
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}
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} -test {
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faultsim_test_result {0 {1 2 3}}
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}
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do_faultsim_test 2 -start 1 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT round(percent_rank() OVER win, 2),
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round(cume_dist() OVER win, 2)
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FROM t1
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WINDOW win AS (ORDER BY a)
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}
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} -test {
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faultsim_test_result {0 {0.0 0.33 0.5 0.67 1.0 1.0}}
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}
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do_faultsim_test 3 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT min(d) OVER win, max(d) OVER win
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FROM t1
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WINDOW win AS (ORDER BY a RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING)
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}
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} -test {
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faultsim_test_result {0 {4 12 8 12 12 12}}
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}
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do_faultsim_test 4 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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CREATE VIEW aaa AS
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SELECT min(d) OVER w, max(d) OVER w
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FROM t1
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WINDOW w AS (ORDER BY a RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING);
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SELECT * FROM aaa;
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}
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} -test {
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faultsim_test_result {0 {4 12 8 12 12 12}}
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}
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do_faultsim_test 5 -start 1 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT last_value(a) OVER win1,
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last_value(a) OVER win2
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FROM t1
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WINDOW win1 AS (ORDER BY a ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING),
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win2 AS (ORDER BY a)
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}
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} -test {
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faultsim_test_result {0 {5 1 9 5 9 9}}
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}
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do_faultsim_test 6 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT percent_rank() OVER (), cume_dist() OVER () FROM t1
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}
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} -test {
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faultsim_test_result {0 {0.0 1.0 0.0 1.0 0.0 1.0}}
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}
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do_faultsim_test 7 -faults oom-* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT percent_rank() OVER (), cume_dist() OVER () FROM t1
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}
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} -test {
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faultsim_test_result {0 {0.0 1.0 0.0 1.0 0.0 1.0}}
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}
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do_faultsim_test 8 -faults oom-t* -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT a, sum(b) OVER win1 FROM t1
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WINDOW win1 AS (PARTITION BY a ),
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win2 AS (PARTITION BY b )
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ORDER BY a;
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}
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} -test {
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faultsim_test_result {0 {1 2 5 6 9 10}}
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}
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#-------------------------------------------------------------------------
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# The following test causes a cursor in REQURESEEK state to be passed
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# to sqlite3BtreeDelete(). An error is simulated within the seek operation
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# to restore the cursors position.
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#
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reset_db
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set big [string repeat x 900]
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do_execsql_test 9.0 {
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PRAGMA page_size = 512;
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PRAGMA cache_size = 2;
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CREATE TABLE t(x INTEGER PRIMARY KEY, y TEXT);
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WITH s(i) AS (
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VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<1900
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)
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INSERT INTO t(y) SELECT $big FROM s;
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}
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db close
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testvfs tvfs -default 1
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tvfs script vfs_callback
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tvfs filter xRead
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sqlite3 db test.db
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proc vfs_callback {method file args} {
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if {$file=="" && [info exists ::tmp_read_fail]} {
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incr ::tmp_read_fail -1
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if {$::tmp_read_fail<=0} {
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return "SQLITE_IOERR"
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}
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}
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return "SQLITE_OK"
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}
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set FAULTSIM(tmpread) [list \
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-injectstart tmpread_injectstart \
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-injectstop tmpread_injectstop \
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-injecterrlist {{1 {disk I/O error}}} \
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]
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proc tmpread_injectstart {iFail} {
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set ::tmp_read_fail $iFail
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}
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proc tmpread_injectstop {} {
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set ret [expr $::tmp_read_fail<=0]
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unset -nocomplain ::tmp_read_fail
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return $ret
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}
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set L [db eval {SELECT 0.0 FROM t}]
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do_faultsim_test 9 -end 25 -faults tmpread -body {
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execsql {
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SELECT sum(y) OVER win FROM t
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WINDOW win AS (
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ORDER BY x ROWS BETWEEN UNBOUNDED PRECEDING AND 1800 FOLLOWING
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)
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}
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} -test {
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faultsim_test_result [list 0 $::L]
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}
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catch {db close}
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tvfs delete
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reset_db
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do_execsql_test 10.0 {
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CREATE TABLE t1(a, b, c, d);
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CREATE TABLE t2(a, b, c, d);
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}
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do_faultsim_test 10 -faults oom* -prep {
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} -body {
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execsql {
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SELECT row_number() OVER win
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FROM t1
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WINDOW win AS (
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ORDER BY (
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SELECT percent_rank() OVER win2 FROM t2
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WINDOW win2 AS (ORDER BY a)
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)
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)
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}
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} -test {
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faultsim_test_result {0 {}}
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}
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reset_db
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do_execsql_test 11.0 {
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DROP TABLE IF EXISTS t0;
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CREATE TABLE t0(c0 INTEGER UNIQUE);
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INSERT INTO t0 VALUES(0);
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} {}
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do_faultsim_test 11 -faults oom* -prep {
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} -body {
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execsql {
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SELECT * FROM t0 WHERE
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(0, t0.c0) IN (SELECT DENSE_RANK() OVER(), LAG(0) OVER() FROM t0);
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}
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} -test {
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faultsim_test_result {0 {}}
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}
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finish_test
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