gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/selectF.test (about) 1 # 2014-03-03 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 # 12 # This file verifies that an OP_Copy operation is used instead of OP_SCopy 13 # in a compound select in a case where the source register might be changed 14 # before the copy is used. 15 # 16 17 set testdir [file dirname $argv0] 18 source $testdir/tester.tcl 19 set testprefix selectF 20 21 do_execsql_test 1 { 22 BEGIN TRANSACTION; 23 CREATE TABLE t1(a, b, c); 24 INSERT INTO "t1" VALUES(1,'one','I'); 25 CREATE TABLE t2(d, e, f); 26 INSERT INTO "t2" VALUES(5,'ten','XX'); 27 INSERT INTO "t2" VALUES(6,NULL,NULL); 28 29 CREATE INDEX i1 ON t1(b, a); 30 COMMIT; 31 } 32 33 #explain_i { 34 # SELECT * FROM t2 35 # UNION ALL 36 # SELECT * FROM t1 WHERE a<5 37 # ORDER BY 2, 1 38 #} 39 40 do_execsql_test 2 { 41 SELECT * FROM t2 42 UNION ALL 43 SELECT * FROM t1 WHERE a<5 44 ORDER BY 2, 1 45 } {6 {} {} 1 one I 5 ten XX} 46 47 48 49 finish_test