# 2014-10-24 # # 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. # #************************************************************************* # # This file implements regression tests for SQLite library. The # focus of this script is testing automatic index creation logic, # and specifically creation of automatic partial indexes. # set testdir [file dirname $argv0] source $testdir/tester.tcl do_execsql_test autoindex4-1.0 { CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(123,'abc'),(234,'def'),(234,'ghi'),(345,'jkl'); CREATE TABLE t2(x,y); INSERT INTO t2 VALUES(987,'zyx'),(654,'wvu'),(987,'rqp'); SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=987 ORDER BY +b; } {234 def 987 rqp | 234 def 987 zyx | 234 ghi 987 rqp | 234 ghi 987 zyx |} do_execsql_test autoindex4-1.1 { SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=555; } {} do_execsql_test autoindex4-1.2 { SELECT *, '|' FROM t1 LEFT JOIN t2 ON a=234 AND x=555; } {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |} do_execsql_test autoindex4-1.3 { SELECT *, '|' FROM t1 LEFT JOIN t2 ON x=555 WHERE a=234; } {234 def {} {} | 234 ghi {} {} |} do_execsql_test autoindex4-1.4 { SELECT *, '|' FROM t1 LEFT JOIN t2 WHERE a=234 AND x=555; } {} do_execsql_test autoindex4-2.0 { CREATE TABLE t3(e,f); INSERT INTO t3 VALUES(123,654),(555,444),(234,987); SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|' FROM t3 ORDER BY rowid; } {1 123 654 | 0 555 444 | 4 234 987 |} # Ticket [2326c258d02ead33d] # Two joins, one with and the other without an ORDER BY clause. # The one without ORDER BY correctly returns two rows of result. # The one with ORDER BY returns no rows. # do_execsql_test autoindex4-3.0 { CREATE TABLE A(Name text); CREATE TABLE Items(ItemName text , Name text); INSERT INTO Items VALUES('Item1','Parent'); INSERT INTO Items VALUES('Item2','Parent'); CREATE TABLE B(Name text); SELECT Items.ItemName FROM Items LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy') LEFT JOIN B ON (B.Name = Items.ItemName) WHERE Items.Name = 'Parent' ORDER BY Items.ItemName; } {Item1 Item2} finish_test