1# 2016 June 17 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# This file implements regression tests for SQLite library. The 12# focus of this file is testing "(...) IN (SELECT ...)" expressions 13# where the SELECT statement returns more than one column. 14# 15 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18set ::testprefix rowvalue3 19 20 21do_execsql_test 1.0 { 22 CREATE TABLE t1(a, b, c); 23 CREATE INDEX i1 ON t1(a, b); 24 INSERT INTO t1 VALUES(1, 2, 3); 25 INSERT INTO t1 VALUES(4, 5, 6); 26 INSERT INTO t1 VALUES(7, 8, 9); 27} 28 29foreach {tn sql res} { 30 1 "SELECT 1 WHERE (4, 5) IN (SELECT a, b FROM t1)" 1 31 2 "SELECT 1 WHERE (5, 5) IN (SELECT a, b FROM t1)" {} 32 3 "SELECT 1 WHERE (5, 4) IN (SELECT a, b FROM t1)" {} 33 4 "SELECT 1 WHERE (5, 4) IN (SELECT b, a FROM t1)" 1 34 5 "SELECT 1 WHERE (SELECT a, b FROM t1 WHERE c=6) IN (SELECT a, b FROM t1)" 1 35 6 "SELECT (5, 4) IN (SELECT a, b FROM t1)" 0 36 7 "SELECT 1 WHERE (5, 4) IN (SELECT +b, +a FROM t1)" 1 37 8 "SELECT (5, 4) IN (SELECT +b, +a FROM t1)" 1 38 9 "SELECT (1, 2) IN (SELECT rowid, b FROM t1)" 1 39 10 "SELECT 1 WHERE (1, 2) IN (SELECT rowid, b FROM t1)" 1 40 11 "SELECT 1 WHERE (1, NULL) IN (SELECT rowid, b FROM t1)" {} 41} { 42 do_execsql_test 1.$tn $sql $res 43} 44 45#explain_i { SELECT (4, NULL) IN (SELECT a, b FROM t1) } 46#do_execsql_test 2 { SELECT (4, NULL) IN (SELECT a, b FROM t1) } {} 47 48 49 50 51finish_test 52 53