| # 2018 May 8 |
| # |
| # 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. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set testprefix window1 |
| |
| ifcapable !windowfunc { |
| finish_test |
| return |
| } |
| |
| do_execsql_test 1.0 { |
| CREATE TABLE t1(a, b, c, d); |
| INSERT INTO t1 VALUES(1, 2, 3, 4); |
| INSERT INTO t1 VALUES(5, 6, 7, 8); |
| INSERT INTO t1 VALUES(9, 10, 11, 12); |
| } |
| |
| do_execsql_test 1.1 { |
| SELECT sum(b) OVER () FROM t1 |
| } {18 18 18} |
| |
| do_execsql_test 1.2 { |
| SELECT a, sum(b) OVER () FROM t1 |
| } {1 18 5 18 9 18} |
| |
| do_execsql_test 1.3 { |
| SELECT a, 4 + sum(b) OVER () FROM t1 |
| } {1 22 5 22 9 22} |
| |
| do_execsql_test 1.4 { |
| SELECT a + 4 + sum(b) OVER () FROM t1 |
| } {23 27 31} |
| |
| do_execsql_test 1.5 { |
| SELECT a, sum(b) OVER (PARTITION BY c) FROM t1 |
| } {1 2 5 6 9 10} |
| |
| foreach {tn sql} { |
| 1 "SELECT sum(b) OVER () FROM t1" |
| 2 "SELECT sum(b) OVER (PARTITION BY c) FROM t1" |
| 3 "SELECT sum(b) OVER (ORDER BY c) FROM t1" |
| 4 "SELECT sum(b) OVER (PARTITION BY d ORDER BY c) FROM t1" |
| 5 "SELECT sum(b) FILTER (WHERE a>0) OVER (PARTITION BY d ORDER BY c) FROM t1" |
| 6 "SELECT sum(b) OVER (ORDER BY c RANGE UNBOUNDED PRECEDING) FROM t1" |
| 7 "SELECT sum(b) OVER (ORDER BY c ROWS 45 PRECEDING) FROM t1" |
| 8 "SELECT sum(b) OVER (ORDER BY c RANGE CURRENT ROW) FROM t1" |
| 9 "SELECT sum(b) OVER (ORDER BY c RANGE BETWEEN UNBOUNDED PRECEDING |
| AND CURRENT ROW) FROM t1" |
| 10 "SELECT sum(b) OVER (ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING |
| AND UNBOUNDED FOLLOWING) FROM t1" |
| } { |
| do_test 2.$tn { lindex [catchsql $sql] 0 } 0 |
| } |
| |
| foreach {tn sql} { |
| 1 "SELECT * FROM t1 WHERE sum(b) OVER ()" |
| 2 "SELECT * FROM t1 GROUP BY sum(b) OVER ()" |
| 3 "SELECT * FROM t1 GROUP BY a HAVING sum(b) OVER ()" |
| } { |
| do_catchsql_test 3.$tn $sql {1 {misuse of window function sum()}} |
| } |
| |
| do_execsql_test 4.0 { |
| CREATE TABLE t2(a, b, c); |
| INSERT INTO t2 VALUES(0, 0, 0); |
| INSERT INTO t2 VALUES(1, 1, 1); |
| INSERT INTO t2 VALUES(2, 0, 2); |
| INSERT INTO t2 VALUES(3, 1, 0); |
| INSERT INTO t2 VALUES(4, 0, 1); |
| INSERT INTO t2 VALUES(5, 1, 2); |
| INSERT INTO t2 VALUES(6, 0, 0); |
| } |
| |
| do_execsql_test 4.1 { |
| SELECT a, sum(a) OVER (PARTITION BY b) FROM t2; |
| } { |
| 0 12 2 12 4 12 6 12 1 9 3 9 5 9 |
| } |
| |
| do_execsql_test 4.2 { |
| SELECT a, sum(a) OVER (PARTITION BY b) FROM t2 ORDER BY a; |
| } { |
| 0 12 1 9 2 12 3 9 4 12 5 9 6 12 |
| } |
| |
| do_execsql_test 4.3 { |
| SELECT a, sum(a) OVER () FROM t2 ORDER BY a; |
| } { |
| 0 21 1 21 2 21 3 21 4 21 5 21 6 21 |
| } |
| |
| do_execsql_test 4.4 { |
| SELECT a, sum(a) OVER (ORDER BY a) FROM t2; |
| } { |
| 0 0 1 1 2 3 3 6 4 10 5 15 6 21 |
| } |
| |
| do_execsql_test 4.5 { |
| SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a) FROM t2 ORDER BY a |
| } { |
| 0 0 1 1 2 2 3 4 4 6 5 9 6 12 |
| } |
| |
| do_execsql_test 4.6 { |
| SELECT a, sum(a) OVER (PARTITION BY c ORDER BY a) FROM t2 ORDER BY a |
| } { |
| 0 0 1 1 2 2 3 3 4 5 5 7 6 9 |
| } |
| |
| do_execsql_test 4.7 { |
| SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a DESC) FROM t2 ORDER BY a |
| } { |
| 0 12 1 9 2 12 3 8 4 10 5 5 6 6 |
| } |
| |
| do_execsql_test 4.8 { |
| SELECT a, |
| sum(a) OVER (PARTITION BY b ORDER BY a DESC), |
| sum(a) OVER (PARTITION BY c ORDER BY a) |
| FROM t2 ORDER BY a |
| } { |
| 0 12 0 |
| 1 9 1 |
| 2 12 2 |
| 3 8 3 |
| 4 10 5 |
| 5 5 7 |
| 6 6 9 |
| } |
| |
| do_execsql_test 4.9 { |
| SELECT a, |
| sum(a) OVER (ORDER BY a), |
| avg(a) OVER (ORDER BY a) |
| FROM t2 ORDER BY a |
| } { |
| 0 0 0.0 |
| 1 1 0.5 |
| 2 3 1.0 |
| 3 6 1.5 |
| 4 10 2.0 |
| 5 15 2.5 |
| 6 21 3.0 |
| } |
| |
| do_execsql_test 4.10.1 { |
| SELECT a, |
| count() OVER (ORDER BY a DESC), |
| group_concat(a, '.') OVER (ORDER BY a DESC) |
| FROM t2 ORDER BY a DESC |
| } { |
| 6 1 6 |
| 5 2 6.5 |
| 4 3 6.5.4 |
| 3 4 6.5.4.3 |
| 2 5 6.5.4.3.2 |
| 1 6 6.5.4.3.2.1 |
| 0 7 6.5.4.3.2.1.0 |
| } |
| |
| do_execsql_test 4.10.2 { |
| SELECT a, |
| count(*) OVER (ORDER BY a DESC), |
| group_concat(a, '.') OVER (ORDER BY a DESC) |
| FROM t2 ORDER BY a DESC |
| } { |
| 6 1 6 |
| 5 2 6.5 |
| 4 3 6.5.4 |
| 3 4 6.5.4.3 |
| 2 5 6.5.4.3.2 |
| 1 6 6.5.4.3.2.1 |
| 0 7 6.5.4.3.2.1.0 |
| } |
| |
| do_catchsql_test 5.1 { |
| SELECT ntile(0) OVER (ORDER BY a) FROM t2; |
| } {1 {argument of ntile must be a positive integer}} |
| do_catchsql_test 5.2 { |
| SELECT ntile(-1) OVER (ORDER BY a) FROM t2; |
| } {1 {argument of ntile must be a positive integer}} |
| do_catchsql_test 5.3 { |
| SELECT ntile('zbc') OVER (ORDER BY a) FROM t2; |
| } {1 {argument of ntile must be a positive integer}} |
| do_execsql_test 5.4 { |
| CREATE TABLE t4(a, b); |
| SELECT ntile(1) OVER (ORDER BY a) FROM t4; |
| } {} |
| |
| #------------------------------------------------------------------------- |
| reset_db |
| do_execsql_test 6.1 { |
| CREATE TABLE t1(x); |
| INSERT INTO t1 VALUES(7), (6), (5), (4), (3), (2), (1); |
| |
| CREATE TABLE t2(x); |
| INSERT INTO t2 VALUES('b'), ('a'); |
| |
| SELECT x, count(*) OVER (ORDER BY x) FROM t1; |
| } {1 1 2 2 3 3 4 4 5 5 6 6 7 7} |
| |
| do_execsql_test 6.2 { |
| SELECT * FROM t2, (SELECT x, count(*) OVER (ORDER BY x) FROM t1); |
| } { |
| b 1 1 b 2 2 b 3 3 b 4 4 b 5 5 b 6 6 b 7 7 |
| a 1 1 a 2 2 a 3 3 a 4 4 a 5 5 a 6 6 a 7 7 |
| } |
| |
| do_catchsql_test 6.3 { |
| SELECT x, lag(x) FILTER (WHERE (x%2)=0) OVER w FROM t1 |
| WINDOW w AS (ORDER BY x) |
| } {1 {FILTER clause may only be used with aggregate window functions}} |
| |
| #------------------------------------------------------------------------- |
| # Attempt to use a window function as an aggregate. And other errors. |
| # |
| reset_db |
| do_execsql_test 7.0 { |
| CREATE TABLE t1(x, y); |
| INSERT INTO t1 VALUES(1, 2); |
| INSERT INTO t1 VALUES(3, 4); |
| INSERT INTO t1 VALUES(5, 6); |
| INSERT INTO t1 VALUES(7, 8); |
| INSERT INTO t1 VALUES(9, 10); |
| } |
| |
| do_catchsql_test 7.1.1 { |
| SELECT nth_value(x, 1) FROM t1; |
| } {1 {misuse of window function nth_value()}} |
| do_catchsql_test 7.1.2 { |
| SELECT * FROM t1 WHERE nth_value(x, 1) OVER (ORDER BY y); |
| } {1 {misuse of window function nth_value()}} |
| do_catchsql_test 7.1.3 { |
| SELECT count(*) FROM t1 GROUP BY y HAVING nth_value(x, 1) OVER (ORDER BY y); |
| } {1 {misuse of window function nth_value()}} |
| do_catchsql_test 7.1.4 { |
| SELECT count(*) FROM t1 GROUP BY nth_value(x, 1) OVER (ORDER BY y); |
| } {1 {misuse of window function nth_value()}} |
| do_catchsql_test 7.1.5 { |
| SELECT count(*) FROM t1 LIMIT nth_value(x, 1) OVER (); |
| } {1 {no such column: x}} |
| do_catchsql_test 7.1.6 { |
| SELECT trim(x) OVER (ORDER BY y) FROM t1; |
| } {1 {trim() may not be used as a window function}} |
| do_catchsql_test 7.1.7 { |
| SELECT max(x) OVER abc FROM t1 WINDOW def AS (ORDER BY y); |
| } {1 {no such window: abc}} |
| |
| do_execsql_test 7.2 { |
| SELECT |
| lead(y) OVER win, |
| lead(y, 2) OVER win, |
| lead(y, 3, 'default') OVER win |
| FROM t1 |
| WINDOW win AS (ORDER BY x) |
| } { |
| 4 6 8 6 8 10 8 10 default 10 {} default {} {} default |
| } |
| |
| do_execsql_test 7.3 { |
| SELECT row_number() OVER (ORDER BY x) FROM t1 |
| } {1 2 3 4 5} |
| |
| do_execsql_test 7.4 { |
| SELECT |
| row_number() OVER win, |
| lead(x) OVER win |
| FROM t1 |
| WINDOW win AS (ORDER BY x ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) |
| } {1 3 2 5 3 7 4 9 5 {}} |
| |
| #------------------------------------------------------------------------- |
| # Attempt to use a window function in a view. |
| # |
| do_execsql_test 8.0 { |
| CREATE TABLE t3(a, b, c); |
| |
| WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<6 ) |
| INSERT INTO t3 SELECT i, i, i FROM s; |
| |
| CREATE VIEW v1 AS SELECT |
| sum(b) OVER (ORDER BY c), |
| min(b) OVER (ORDER BY c), |
| max(b) OVER (ORDER BY c) |
| FROM t3; |
| |
| CREATE VIEW v2 AS SELECT |
| sum(b) OVER win, |
| min(b) OVER win, |
| max(b) OVER win |
| FROM t3 |
| WINDOW win AS (ORDER BY c); |
| } |
| |
| do_execsql_test 8.1.1 { |
| SELECT * FROM v1 |
| } {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6} |
| do_execsql_test 8.1.2 { |
| SELECT * FROM v2 |
| } {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6} |
| |
| db close |
| sqlite3 db test.db |
| do_execsql_test 8.2.1 { |
| SELECT * FROM v1 |
| } {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6} |
| do_execsql_test 8.2.2 { |
| SELECT * FROM v2 |
| } {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6} |
| |
| #------------------------------------------------------------------------- |
| # Attempt to use a window function in a trigger. |
| # |
| do_execsql_test 9.0 { |
| CREATE TABLE t4(x, y); |
| INSERT INTO t4 VALUES(1, 'g'); |
| INSERT INTO t4 VALUES(2, 'i'); |
| INSERT INTO t4 VALUES(3, 'l'); |
| INSERT INTO t4 VALUES(4, 'g'); |
| INSERT INTO t4 VALUES(5, 'a'); |
| |
| CREATE TABLE t5(x, y, m); |
| CREATE TRIGGER t4i AFTER INSERT ON t4 BEGIN |
| DELETE FROM t5; |
| INSERT INTO t5 |
| SELECT x, y, max(y) OVER xyz FROM t4 |
| WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x); |
| END; |
| } |
| |
| do_execsql_test 9.1.1 { |
| SELECT x, y, max(y) OVER xyz FROM t4 |
| WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x) ORDER BY 1 |
| } {1 g g 2 i i 3 l l 4 g i 5 a l} |
| |
| do_execsql_test 9.1.2 { |
| INSERT INTO t4 VALUES(6, 'm'); |
| SELECT x, y, max(y) OVER xyz FROM t4 |
| WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x) ORDER BY 1 |
| } {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m} |
| |
| do_execsql_test 9.1.3 { |
| SELECT * FROM t5 ORDER BY 1 |
| } {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m} |
| |
| do_execsql_test 9.2 { |
| WITH aaa(x, y, z) AS ( |
| SELECT x, y, max(y) OVER xyz FROM t4 |
| WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x) |
| ) |
| SELECT * FROM aaa ORDER BY 1; |
| } {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m} |
| |
| do_execsql_test 9.3 { |
| WITH aaa(x, y, z) AS ( |
| SELECT x, y, max(y) OVER xyz FROM t4 |
| WINDOW xyz AS (ORDER BY x) |
| ) |
| SELECT *, min(z) OVER (ORDER BY x) FROM aaa ORDER BY 1; |
| } {1 g g g 2 i i g 3 l l g 4 g l g 5 a l g 6 m m g} |
| |
| #------------------------------------------------------------------------- |
| # |
| do_execsql_test 10.0 { |
| CREATE TABLE sales(emp TEXT PRIMARY KEY, region, total); |
| INSERT INTO sales VALUES |
| ('Alice', 'North', 34), |
| ('Frank', 'South', 22), |
| ('Charles', 'North', 45), |
| ('Darrell', 'South', 8), |
| ('Grant', 'South', 23), |
| ('Brad' , 'North', 22), |
| ('Elizabeth', 'South', 99), |
| ('Horace', 'East', 1); |
| } |
| |
| # Best two salespeople from each region |
| # |
| do_execsql_test 10.1 { |
| SELECT emp, region, total FROM ( |
| SELECT |
| emp, region, total, |
| row_number() OVER (PARTITION BY region ORDER BY total DESC) AS rank |
| FROM sales |
| ) WHERE rank<=2 ORDER BY region, total DESC |
| } { |
| Horace East 1 |
| Charles North 45 |
| Alice North 34 |
| Elizabeth South 99 |
| Grant South 23 |
| } |
| |
| do_execsql_test 10.2 { |
| SELECT emp, region, sum(total) OVER win FROM sales |
| WINDOW win AS (PARTITION BY region ORDER BY total) |
| } { |
| Horace East 1 |
| Brad North 22 |
| Alice North 56 |
| Charles North 101 |
| Darrell South 8 |
| Frank South 30 |
| Grant South 53 |
| Elizabeth South 152 |
| } |
| |
| do_execsql_test 10.3 { |
| SELECT emp, region, sum(total) OVER win FROM sales |
| WINDOW win AS (PARTITION BY region ORDER BY total) |
| LIMIT 5 |
| } { |
| Horace East 1 |
| Brad North 22 |
| Alice North 56 |
| Charles North 101 |
| Darrell South 8 |
| } |
| |
| do_execsql_test 10.4 { |
| SELECT emp, region, sum(total) OVER win FROM sales |
| WINDOW win AS (PARTITION BY region ORDER BY total) |
| LIMIT 5 OFFSET 2 |
| } { |
| Alice North 56 |
| Charles North 101 |
| Darrell South 8 |
| Frank South 30 |
| Grant South 53 |
| } |
| |
| do_execsql_test 10.5 { |
| SELECT emp, region, sum(total) OVER win FROM sales |
| WINDOW win AS ( |
| PARTITION BY region ORDER BY total |
| ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING |
| ) |
| } { |
| Horace East 1 |
| Brad North 101 |
| Alice North 79 |
| Charles North 45 |
| Darrell South 152 |
| Frank South 144 |
| Grant South 122 |
| Elizabeth South 99 |
| } |
| |
| do_execsql_test 10.6 { |
| SELECT emp, region, sum(total) OVER win FROM sales |
| WINDOW win AS ( |
| PARTITION BY region ORDER BY total |
| ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING |
| ) LIMIT 5 OFFSET 2 |
| } { |
| Alice North 79 |
| Charles North 45 |
| Darrell South 152 |
| Frank South 144 |
| Grant South 122 |
| } |
| |
| do_execsql_test 10.7 { |
| SELECT emp, region, ( |
| SELECT sum(total) OVER ( |
| ORDER BY total RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING |
| ) || outer.emp FROM sales |
| ) FROM sales AS outer; |
| } { |
| Alice North 254Alice |
| Frank South 254Frank |
| Charles North 254Charles |
| Darrell South 254Darrell |
| Grant South 254Grant |
| Brad North 254Brad |
| Elizabeth South 254Elizabeth |
| Horace East 254Horace |
| } |
| |
| do_execsql_test 10.8 { |
| SELECT emp, region, ( |
| SELECT sum(total) FILTER (WHERE sales.emp!=outer.emp) OVER ( |
| ORDER BY total RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING |
| ) FROM sales |
| ) FROM sales AS outer; |
| } { |
| Alice North 220 |
| Frank South 232 |
| Charles North 209 |
| Darrell South 246 |
| Grant South 231 |
| Brad North 232 |
| Elizabeth South 155 |
| Horace East 253 |
| } |
| |
| #------------------------------------------------------------------------- |
| # Check that it is not possible to use a window function in a CREATE INDEX |
| # statement. |
| # |
| do_execsql_test 11.0 { CREATE TABLE t6(a, b, c); } |
| |
| do_catchsql_test 11.1 { |
| CREATE INDEX t6i ON t6(a) WHERE sum(b) OVER (); |
| } {1 {misuse of window function sum()}} |
| do_catchsql_test 11.2 { |
| CREATE INDEX t6i ON t6(a) WHERE lead(b) OVER (); |
| } {1 {misuse of window function lead()}} |
| |
| do_catchsql_test 11.3 { |
| CREATE INDEX t6i ON t6(sum(b) OVER ()); |
| } {1 {misuse of window function sum()}} |
| do_catchsql_test 11.4 { |
| CREATE INDEX t6i ON t6(lead(b) OVER ()); |
| } {1 {misuse of window function lead()}} |
| |
| finish_test |
| |