| # 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} |
| do_execsql_test autoindex4-3.1 { |
| CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy'; |
| |
| 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 |