dan
75 lines
1.7 KiB
Plaintext
75 lines
1.7 KiB
Plaintext
# 2026 June 4
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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 $testdir/tester.tcl
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set testprefix nulls2
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foreach {tn idx} {
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1 {}
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2 { CREATE INDEX i1 ON t1(a, b, c) }
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3 { CREATE INDEX i1 ON t1(b, c, a) }
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4 { CREATE INDEX i1 ON t1(c, a, b) }
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5 { CREATE INDEX i1 ON t1(c, b, a) }
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} {
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reset_db
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do_execsql_test 1.$tn.0 {
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CREATE TABLE t1(a, b, c);
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INSERT INTO t1 VALUES(1, 1, NULL);
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INSERT INTO t1 VALUES(2, 2, NULL);
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CREATE TABLE t2(d NOT NULL, e NOT NULL, f);
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INSERT INTO t2 VALUES(1, 1, NULL);
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INSERT INTO t2 VALUES(2, 2, NULL);
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}
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execsql $idx
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# This should return zero rows, as "f" is always NULL.
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#
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do_execsql_test 1.$tn.1 {
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SELECT rowid FROM t2 WHERE (d, e, f) IN (
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SELECT a, b, c FROM t1
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)
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}
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}
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foreach {tn idx} {
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1 {}
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2 { CREATE INDEX i1 ON t1(a, b, c) }
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3 { CREATE INDEX i1 ON t1(b, c, a) }
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4 { CREATE INDEX i1 ON t1(c, a, b) }
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5 { CREATE INDEX i1 ON t1(c, b, a) }
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} {
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reset_db
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do_execsql_test 2.$tn.0 {
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CREATE TABLE t1(a, b, c COLLATE nocase);
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INSERT INTO t1 VALUES('one', 'two', 'THREE');
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INSERT INTO t1 VALUES('four', 'five', 'SIX');
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}
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execsql $idx
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do_execsql_test 1.$tn.1 {
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SELECT (NULL, 'two', 'three') IN (
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SELECT a, b, c FROM t1
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) IS NULL
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} 1
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}
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finish_test
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