3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
14 set testdir [file dirname $argv0]
15 source $testdir/tester.tcl
16 set testprefix window1
20 CREATE TABLE t1(a, b, c, d);
21 INSERT INTO t1 VALUES(1, 2, 3, 4);
22 INSERT INTO t1 VALUES(5, 6, 7, 8);
23 INSERT INTO t1 VALUES(9, 10, 11, 12);
27 SELECT sum(b) OVER () FROM t1
31 SELECT a, sum(b) OVER () FROM t1
35 SELECT a, 4 + sum(b) OVER () FROM t1
39 SELECT a + 4 + sum(b) OVER () FROM t1
43 SELECT a, sum(b) OVER (PARTITION BY c) FROM t1
47 1 "SELECT sum(b) OVER () FROM t1"
48 2 "SELECT sum(b) OVER (PARTITION BY c) FROM t1"
49 3 "SELECT sum(b) OVER (ORDER BY c) FROM t1"
50 4 "SELECT sum(b) OVER (PARTITION BY d ORDER BY c) FROM t1"
51 5 "SELECT sum(b) FILTER (WHERE a>0) OVER (PARTITION BY d ORDER BY c) FROM t1"
52 6 "SELECT sum(b) OVER (ORDER BY c RANGE UNBOUNDED PRECEDING) FROM t1"
53 7 "SELECT sum(b) OVER (ORDER BY c ROWS 45 PRECEDING) FROM t1"
54 8 "SELECT sum(b) OVER (ORDER BY c RANGE CURRENT ROW) FROM t1"
55 9 "SELECT sum(b) OVER (ORDER BY c RANGE BETWEEN UNBOUNDED PRECEDING
56 AND CURRENT ROW) FROM t1"
57 10 "SELECT sum(b) OVER (ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING
58 AND UNBOUNDED FOLLOWING) FROM t1"
60 do_test 2.$tn { lindex [catchsql $sql] 0 } 0
64 1 "SELECT * FROM t1 WHERE sum(b) OVER ()"
65 2 "SELECT * FROM t1 GROUP BY sum(b) OVER ()"
66 3 "SELECT * FROM t1 GROUP BY a HAVING sum(b) OVER ()"
68 do_catchsql_test 3.$tn $sql {1 {misuse of window function sum()}}
72 CREATE TABLE t2(a, b, c);
73 INSERT INTO t2 VALUES(0, 0, 0);
74 INSERT INTO t2 VALUES(1, 1, 1);
75 INSERT INTO t2 VALUES(2, 0, 2);
76 INSERT INTO t2 VALUES(3, 1, 0);
77 INSERT INTO t2 VALUES(4, 0, 1);
78 INSERT INTO t2 VALUES(5, 1, 2);
79 INSERT INTO t2 VALUES(6, 0, 0);
83 SELECT a, sum(a) OVER (PARTITION BY b) FROM t2;
85 0 12 2 12 4 12 6 12 1 9 3 9 5 9
89 SELECT a, sum(a) OVER (PARTITION BY b) FROM t2 ORDER BY a;
91 0 12 1 9 2 12 3 9 4 12 5 9 6 12
95 SELECT a, sum(a) OVER () FROM t2 ORDER BY a;
97 0 21 1 21 2 21 3 21 4 21 5 21 6 21
100 do_execsql_test 4.4 {
101 SELECT a, sum(a) OVER (ORDER BY a) FROM t2;
103 0 0 1 1 2 3 3 6 4 10 5 15 6 21
106 do_execsql_test 4.5 {
107 SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a) FROM t2 ORDER BY a
109 0 0 1 1 2 2 3 4 4 6 5 9 6 12
112 do_execsql_test 4.6 {
113 SELECT a, sum(a) OVER (PARTITION BY c ORDER BY a) FROM t2 ORDER BY a
115 0 0 1 1 2 2 3 3 4 5 5 7 6 9
118 do_execsql_test 4.7 {
119 SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a DESC) FROM t2 ORDER BY a
121 0 12 1 9 2 12 3 8 4 10 5 5 6 6
124 do_execsql_test 4.8 {
126 sum(a) OVER (PARTITION BY b ORDER BY a DESC),
127 sum(a) OVER (PARTITION BY c ORDER BY a)
139 do_execsql_test 4.9 {
141 sum(a) OVER (ORDER BY a),
142 avg(a) OVER (ORDER BY a)
154 do_execsql_test 4.10.1 {
156 count() OVER (ORDER BY a DESC),
157 group_concat(a, '.') OVER (ORDER BY a DESC)
158 FROM t2 ORDER BY a DESC
169 do_execsql_test 4.10.2 {
171 count(*) OVER (ORDER BY a DESC),
172 group_concat(a, '.') OVER (ORDER BY a DESC)
173 FROM t2 ORDER BY a DESC
184 do_catchsql_test 5.1 {
185 SELECT ntile(0) OVER (ORDER BY a) FROM t2;
186 } {1 {argument of ntile must be a positive integer}}
187 do_catchsql_test 5.2 {
188 SELECT ntile(-1) OVER (ORDER BY a) FROM t2;
189 } {1 {argument of ntile must be a positive integer}}
190 do_catchsql_test 5.3 {
191 SELECT ntile('zbc') OVER (ORDER BY a) FROM t2;
192 } {1 {argument of ntile must be a positive integer}}
193 do_execsql_test 5.4 {
194 CREATE TABLE t4(a, b);
195 SELECT ntile(1) OVER (ORDER BY a) FROM t4;
198 #-------------------------------------------------------------------------
200 do_execsql_test 6.1 {
202 INSERT INTO t1 VALUES(7), (6), (5), (4), (3), (2), (1);
205 INSERT INTO t2 VALUES('b'), ('a');
207 SELECT x, count(*) OVER (ORDER BY x) FROM t1;
208 } {1 1 2 2 3 3 4 4 5 5 6 6 7 7}
210 do_execsql_test 6.2 {
211 SELECT * FROM t2, (SELECT x, count(*) OVER (ORDER BY x) FROM t1);
213 b 1 1 b 2 2 b 3 3 b 4 4 b 5 5 b 6 6 b 7 7
214 a 1 1 a 2 2 a 3 3 a 4 4 a 5 5 a 6 6 a 7 7
217 do_catchsql_test 6.3 {
218 SELECT x, lag(x) FILTER (WHERE (x%2)=0) OVER w FROM t1
219 WINDOW w AS (ORDER BY x)
220 } {1 {FILTER clause may only be used with aggregate window functions}}
222 #-------------------------------------------------------------------------
223 # Attempt to use a window function as an aggregate. And other errors.
226 do_execsql_test 7.0 {
227 CREATE TABLE t1(x, y);
228 INSERT INTO t1 VALUES(1, 2);
229 INSERT INTO t1 VALUES(3, 4);
230 INSERT INTO t1 VALUES(5, 6);
231 INSERT INTO t1 VALUES(7, 8);
232 INSERT INTO t1 VALUES(9, 10);
235 do_catchsql_test 7.1.1 {
236 SELECT nth_value(x, 1) FROM t1;
237 } {1 {misuse of window function nth_value()}}
238 do_catchsql_test 7.1.2 {
239 SELECT * FROM t1 WHERE nth_value(x, 1) OVER (ORDER BY y);
240 } {1 {misuse of window function nth_value()}}
241 do_catchsql_test 7.1.3 {
242 SELECT count(*) FROM t1 GROUP BY y HAVING nth_value(x, 1) OVER (ORDER BY y);
243 } {1 {misuse of window function nth_value()}}
244 do_catchsql_test 7.1.4 {
245 SELECT count(*) FROM t1 GROUP BY nth_value(x, 1) OVER (ORDER BY y);
246 } {1 {misuse of window function nth_value()}}
247 do_catchsql_test 7.1.5 {
248 SELECT count(*) FROM t1 LIMIT nth_value(x, 1) OVER (ORDER BY y);
249 } {1 {no such column: x}}
250 do_catchsql_test 7.1.6 {
251 SELECT trim(x) OVER (ORDER BY y) FROM t1;
252 } {1 {trim() may not be used as a window function}}
253 do_catchsql_test 7.1.7 {
254 SELECT max(x) OVER abc FROM t1 WINDOW def AS (ORDER BY y);
255 } {1 {no such window: abc}}
257 do_execsql_test 7.2 {
261 lead(y, 3, 'default') OVER win
263 WINDOW win AS (ORDER BY x)
265 4 6 8 6 8 10 8 10 default 10 {} default {} {} default
268 do_execsql_test 7.3 {
269 SELECT row_number() OVER (ORDER BY x) FROM t1
272 do_execsql_test 7.4 {
274 row_number() OVER win,
277 WINDOW win AS (ORDER BY x ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
278 } {1 3 2 5 3 7 4 9 5 {}}