57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
# 2021 February 15
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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. The
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# focus of this file is testing optimizations associated with "IS NULL"
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# and "IS NOT NULL" operators on columns with NOT NULL constraints.
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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 notnullfault
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b);
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CREATE TABLE t2(c, d NOT NULL);
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}
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faultsim_save_and_close
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do_faultsim_test 1 -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql {
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SELECT * FROM t2 WHERE d NOT NULL
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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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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 2.0 {
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CREATE TABLE t1(a, b, c);
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CREATE TABLE t2(a, b, c, PRIMARY KEY(a, b, c)) WITHOUT ROWID;
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}
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faultsim_save_and_close
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do_faultsim_test 2.1 -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 dense_rank() OVER win FROM t2
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WINDOW win AS (ORDER BY c IS NULL)
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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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