58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
# 2022 May 17
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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 joinH
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do_execsql_test 1.0 {
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CREATE TABLE t1(a INT);
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CREATE TABLE t2(b INT);
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INSERT INTO t2(b) VALUES(NULL);
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}
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db nullvalue NULL
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do_execsql_test 1.1 {
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SELECT DISTINCT a FROM t1 FULL JOIN t2 ON true WHERE (b ISNULL);
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} {NULL}
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do_execsql_test 1.2 {
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SELECT a FROM t1 FULL JOIN t2 ON true;
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} {NULL}
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do_execsql_test 1.3 {
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SELECT a FROM t1 FULL JOIN t2 ON true WHERE (b ISNULL);
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} {NULL}
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do_execsql_test 1.4 {
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SELECT DISTINCT a FROM t1 FULL JOIN t2 ON true;
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} {NULL}
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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 r3(x);
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CREATE TABLE r4(y INTEGER PRIMARY KEY);
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INSERT INTO r4 VALUES(55);
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}
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do_execsql_test 2.1 {
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SELECT 'value!' FROM r3 FULL JOIN r4 ON (y=x);
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} {value!}
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do_execsql_test 2.2 {
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SELECT 'value!' FROM r3 FULL JOIN r4 ON (y=x) WHERE +y=55;
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} {value!}
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finish_test
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