| # 2016-08-18 |
| # |
| # 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. |
| # |
| #*********************************************************************** |
| # The focus of this file is handling of NULL values in row-value IN |
| # expressions. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set ::testprefix rowvalue6 |
| |
| do_execsql_test 1.1 { |
| CREATE TABLE t1(a,b,c); |
| CREATE INDEX t1x1 ON t1(a,b); |
| INSERT INTO t1 VALUES(1,NULL,200); |
| |
| CREATE TABLE t2(x,y,z); |
| INSERT INTO t2 VALUES(1,NULL,55); |
| |
| SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55); |
| } {} |
| do_execsql_test 1.2 { |
| INSERT INTO t1 VALUES(2,3,400); |
| INSERT INTO t2 VALUES(2,3,55); |
| |
| SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55); |
| } {400} |
| |
| finish_test |