| # 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 autoindex4-1.2-rj { |
| SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 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 autoindex4-1.3-rj { |
| SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 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 autoindex4-1.4-rj { |
| SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 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 { |
| SELECT Items.ItemName |
| FROM A |
| RIGHT JOIN Items 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 autoindex4-3.10 { |
| 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} |
| do_execsql_test autoindex4-3.11 { |
| SELECT Items.ItemName |
| FROM A |
| RIGHT JOIN Items 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} |
| |
| # 2021-11-30 - Enhancement to help the automatic index mechanism to |
| # create a partial index more often. |
| # |
| unset -nocomplain id data1 data2 jointype onclause whereclause answer |
| foreach {id data1 data2 jointype onclause whereclause answer} { |
| 1 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4) |
| {LEFT JOIN} |
| a=x |
| {y=4 OR y IS NULL} |
| {3 4 3 4} |
| |
| 2 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4) |
| {LEFT JOIN} |
| {a=x AND y=4} |
| {coalesce(y,4)==4} |
| {1 2 {} {} 3 4 3 4} |
| |
| 3 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4) |
| {JOIN} |
| {a=x} |
| {y=4 OR y IS NULL} |
| {3 4 3 4} |
| |
| 4 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4) |
| {JOIN} |
| {a=x AND y=4} |
| {coalesce(y,4)==4} |
| {3 4 3 4} |
| |
| 5.1 |
| VALUES(1,2),(3,4),(NULL,4) |
| VALUES(1,2),(3,4) |
| {LEFT JOIN} |
| a=x |
| {y=4 OR y IS NULL} |
| {3 4 3 4 {} 4 {} {}} |
| |
| 5.2 |
| VALUES(1,2),(3,4),(NULL,4) |
| VALUES(1,2),(3,4) |
| {LEFT JOIN} |
| a=x |
| {y NOT IN ()} |
| {1 2 1 2 3 4 3 4 {} 4 {} {}} |
| |
| 5.3 |
| VALUES(1,2),(3,4),(NULL,4) |
| VALUES(1,2),(3,4) |
| {LEFT JOIN} |
| a=x |
| {y NOT IN (SELECT 1 WHERE false)} |
| {1 2 1 2 3 4 3 4 {} 4 {} {}} |
| |
| 6 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4),(NULL,4) |
| {LEFT JOIN} |
| {a=x AND y=4} |
| {coalesce(y,4)==4} |
| {1 2 {} {} 3 4 3 4} |
| |
| 7 |
| VALUES(1,2),(3,4),(NULL,4) |
| VALUES(1,2),(3,4),(NULL,4) |
| {JOIN} |
| {a=x} |
| {y=4 OR y IS NULL} |
| {3 4 3 4} |
| |
| 8 |
| VALUES(1,2),(3,4) |
| VALUES(1,2),(3,4) |
| {JOIN} |
| {a=x AND y=4} |
| {coalesce(y,4)==4} |
| {3 4 3 4} |
| } { |
| do_test autoindex4-4.$id.0 { |
| db eval { |
| DROP TABLE IF EXISTS t1; |
| CREATE TABLE t1(a INT, b INT); |
| DROP TABLE IF EXISTS t2; |
| CREATE TABLE t2(x INT, y INT); |
| } |
| db eval "INSERT INTO t1(a,b) $data1;" |
| db eval "INSERT INTO t2(x,y) $data2;" |
| } {} |
| set sql "SELECT * FROM t1 $jointype t2 ON $onclause WHERE $whereclause" |
| # puts "sql = $sql" |
| do_test autoindex4-4.$id.1 { |
| db eval {PRAGMA automatic_index=ON;} |
| db eval $sql |
| } $answer |
| do_test autoindex4-4.$id.2 { |
| db eval {PRAGMA automatic_index=OFF;} |
| db eval $sql |
| } $answer |
| do_test autoindex4-4.$id.3 { |
| db eval {PRAGMA automatic_index=ON;} |
| optimization_control db all 0 |
| db eval $sql |
| } $answer |
| optimization_control db all 1 |
| } |
| |
| |
| |
| |
| finish_test |