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| 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 |
| 15 set testdir [file dirname $argv0] |
| 16 source $testdir/tester.tcl |
| 17 set ::testprefix rowvalue6 |
| 18 |
| 19 do_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 } {} |
| 29 do_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 |
| 36 finish_test |
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