# 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