56 lines
1.4 KiB
Plaintext
56 lines
1.4 KiB
Plaintext
|
# 2021 February 15
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
#
|
||
|
|
#***********************************************************************
|
||
|
|
# This file implements regression tests for SQLite library. The
|
||
|
|
# focus of this file is testing optimizations associated with "IS NULL"
|
||
|
|
# and "IS NOT NULL" operators on columns with NOT NULL constraints.
|
||
|
|
#
|
||
|
|
|
||
|
|
set testdir [file dirname $argv0]
|
||
|
|
source $testdir/tester.tcl
|
||
|
|
set testprefix notnullfault
|
||
|
|
|
||
|
|
do_execsql_test 1.0 {
|
||
|
|
CREATE TABLE t1(a, b);
|
||
|
|
CREATE TABLE t2(c, d NOT NULL);
|
||
|
|
}
|
||
|
|
faultsim_save_and_close
|
||
|
|
|
||
|
|
do_faultsim_test 1 -prep {
|
||
|
|
faultsim_restore_and_reopen
|
||
|
|
} -body {
|
||
|
|
execsql {
|
||
|
|
SELECT * FROM t2 WHERE d NOT NULL
|
||
|
|
}
|
||
|
|
} -test {
|
||
|
|
faultsim_test_result {0 {}}
|
||
|
|
}
|
||
|
|
|
||
|
|
#-------------------------------------------------------------------------
|
||
|
|
reset_db
|
||
|
|
do_execsql_test 2.0 {
|
||
|
|
CREATE TABLE t1(a, b, c);
|
||
|
|
CREATE TABLE t2(a, b, c, PRIMARY KEY(a, b, c)) WITHOUT ROWID;
|
||
|
|
}
|
||
|
|
faultsim_save_and_close
|
||
|
|
|
||
|
|
do_faultsim_test 2.1 -faults oom-t* -prep {
|
||
|
|
faultsim_restore_and_reopen
|
||
|
|
} -body {
|
||
|
|
execsql {
|
||
|
|
SELECT dense_rank() OVER win FROM t2
|
||
|
|
WINDOW win AS (ORDER BY c IS NULL)
|
||
|
|
}
|
||
|
|
} -test {
|
||
|
|
faultsim_test_result {0 {}}
|
||
|
|
}
|
||
|
|
|
||
|
|
finish_test
|