#!/usr/bin/env tclsh

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_execsql_test basic-order-by {
    select * from products order by price;
} {9|boots|1.0
3|shirt|18.0
4|sweater|25.0
10|coat|33.0
6|shorts|70.0
5|sweatshirt|74.0
7|jeans|78.0
1|hat|79.0
11|accessories|81.0
2|cap|82.0
8|sneakers|82.0}

do_execsql_test basic-order-by {
    select * from products order by price desc;
} {2|cap|82.0
8|sneakers|82.0
11|accessories|81.0
1|hat|79.0
7|jeans|78.0
5|sweatshirt|74.0
6|shorts|70.0
10|coat|33.0
4|sweater|25.0
3|shirt|18.0
9|boots|1.0}

do_execsql_test basic-order-by-and-limit {
    select * from products order by name limit 5;
} {11|accessories|81.0
9|boots|1.0
2|cap|82.0
10|coat|33.0
1|hat|79.0}

do_execsql_test basic-order-by-and-limit {
    select * from products order by name desc limit 5;
} {5|sweatshirt|74.0
4|sweater|25.0
8|sneakers|82.0
6|shorts|70.0
3|shirt|18.0}

do_execsql_test basic-order-by-and-limit-2 {
    select id, name from products order by name limit 5;
} {11|accessories
9|boots
2|cap
10|coat
1|hat}

do_execsql_test basic-order-by-and-limit-2 {
    select id, name from products order by name desc limit 5;
} {5|sweatshirt
4|sweater
8|sneakers
6|shorts
3|shirt}

do_execsql_test basic-order-by-and-limit-3 {
    select price, name from products where price > 70 order by name;
} {81.0|accessories
82.0|cap
79.0|hat
78.0|jeans
82.0|sneakers
74.0|sweatshirt}

do_execsql_test basic-order-by-and-limit-3 {
    select price, name from products where price > 70 order by name desc;
} {74.0|sweatshirt
82.0|sneakers
78.0|jeans
79.0|hat
82.0|cap
81.0|accessories}

do_execsql_test order-by-qualified {
    select u.first_name from users u order by u.first_name limit 1;
} {Aaron}

do_execsql_test order-by-qualified {
    select u.first_name from users u order by u.first_name desc limit 1;
} {Zoe}

do_execsql_test order-by-column-number {
    select first_name, last_name, age from users order by 3,2 limit 2;
} {Teresa|Allen|1
David|Baker|1}

do_execsql_test order-by-column-number {
    select first_name, last_name, age from users order by 3 desc, 2 asc limit 2;
} {Connor|Adkins|100
John|Bell|100}

do_execsql_test order-by-column-number {
    select first_name, last_name, age from users order by 3 asc, 2 desc limit 2;
} {Kyle|Wolf|1
Jason|Williams|1}

do_execsql_test order-by-column-number {
    select first_name, last_name, age from users order by 3 asc, 2 desc limit 10;
} {Kyle|Wolf|1
Jason|Williams|1
Tracey|Williams|1
Jessica|Werner|1
Jasmine|Warren|1
Dennis|Ward|1
Whitney|Walker|1
Robert|Villanueva|1
Cynthia|Thomas|1
Brandon|Tate|1}

do_execsql_test order-by-case-insensitive-aggregate {
  select u.first_name, sum(u.age) from users u group by u.first_name order by SUM(u.aGe) desc limit 10;
} {Michael|11204
David|8758
Robert|8109
Jennifer|7700
John|7299
Christopher|6397
James|5921
Joseph|5711
Brian|5059
William|5047}

do_execsql_test order-by-agg-not-mentioned-in-select {
  select u.first_name, length(group_concat(u.last_name)) from users u group by u.first_name order by max(u.email) desc limit 5;
} {Louis|65
Carolyn|118
Katelyn|40
Erik|88
Collin|15}

do_execsql_test case-insensitive-alias {
    select u.first_name as fF, count(1) > 0 as cC from users u where fF = 'Jamie' group by fF order by cC;
} {Jamie|1}

do_execsql_test age_idx_order_desc {
    select first_name from users order by age desc limit 3;
} {Robert
Sydney
Matthew}

do_execsql_test rowid_or_integer_pk_desc {
    select first_name from users order by id desc limit 3;
} {Nicole
Gina
Dorothy}

# These two following tests may seem dumb but they verify that index scanning by age_idx doesn't drop any rows due to BTree bugs
do_execsql_test orderby_asc_verify_rows {
    select count(1) from (select * from users order by age desc)
} {10000}

do_execsql_test orderby_desc_verify_rows {
    select count(1) from (select * from users order by age desc)
} {10000}

do_execsql_test orderby_desc_with_offset {
    select first_name, age from users order by age desc limit 3 offset 666;
} {Francis|94
Matthew|94
Theresa|94}

do_execsql_test orderby_desc_with_filter {
    select first_name, age from users where age <= 50 order by age desc limit 5;
} {Gerald|50
Nicole|50
Tammy|50
Marissa|50
Daniel|50}

do_execsql_test orderby_asc_with_filter_range {
    select first_name, age from users where age <= 50 and age >= 49 order by age asc limit 5;
} {William|49
Jennifer|49
Robert|49
David|49
Stephanie|49}

do_execsql_test orderby_desc_with_filter_id_lt {
    select id from users where id < 6666 order by id desc limit 5;
} {6665
6664
6663
6662
6661}

do_execsql_test orderby_desc_with_filter_id_le {
    select id from users where id <= 6666 order by id desc limit 5;
} {6666
6665
6664
6663
6662}

# regression test where backwards iteration used to hang indefinitely
do_execsql_test orderby_desc_regression {
    select count(1) from (select * from users where id < 100 order by id desc)
} {99}

do_execsql_test orderby_desc_regression_verify_order {
    select id from users where id < 100 order by id desc limit 3;
} {99
98
97}