1# 2016-08-18 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# The focus of this file is handling of NULL values in row-value IN 12# expressions. 13# 14 15set testdir [file dirname $argv0] 16source $testdir/tester.tcl 17set ::testprefix rowvalue6 18 19do_execsql_test 1.1 { 20 CREATE TABLE t1(a,b,c); 21 CREATE INDEX t1x1 ON t1(a,b); 22 INSERT INTO t1 VALUES(1,NULL,200); 23 24 CREATE TABLE t2(x,y,z); 25 INSERT INTO t2 VALUES(1,NULL,55); 26 27 SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55); 28} {} 29do_execsql_test 1.2 { 30 INSERT INTO t1 VALUES(2,3,400); 31 INSERT INTO t2 VALUES(2,3,55); 32 33 SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55); 34} {400} 35 36finish_test 37