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# 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 $testdir/tester.tcl
set testprefix window1
do_execsql_test 1.0 {
CREATE TABLE t1(a, b, c, d);
INSERT INTO t1 VALUES(1, 2, 3, 4);
INSERT INTO t1 VALUES(5, 6, 7, 8);
INSERT INTO t1 VALUES(9, 10, 11, 12);
}
do_execsql_test 1.1 {
SELECT sum(b) OVER () FROM t1
} {18 18 18}
do_execsql_test 1.2 {
SELECT a, sum(b) OVER () FROM t1
} {1 18 5 18 9 18}
do_execsql_test 1.3 {
SELECT a, 4 + sum(b) OVER () FROM t1
} {1 22 5 22 9 22}
do_execsql_test 1.4 {
SELECT a + 4 + sum(b) OVER () FROM t1
} {23 27 31}
do_execsql_test 1.5 {
SELECT a, sum(b) OVER (PARTITION BY c) FROM t1
} {1 2 5 6 9 10}
foreach {tn sql} {
1 "SELECT sum(b) OVER () FROM t1"
2 "SELECT sum(b) OVER (PARTITION BY c) FROM t1"
3 "SELECT sum(b) OVER (ORDER BY c) FROM t1"
4 "SELECT sum(b) OVER (PARTITION BY d ORDER BY c) FROM t1"
5 "SELECT sum(b) FILTER (WHERE a>0) OVER (PARTITION BY d ORDER BY c) FROM t1"
6 "SELECT sum(b) OVER (ORDER BY c RANGE UNBOUNDED PRECEDING) FROM t1"
7 "SELECT sum(b) OVER (ORDER BY c ROWS 45 PRECEDING) FROM t1"
8 "SELECT sum(b) OVER (ORDER BY c RANGE CURRENT ROW) FROM t1"
9 "SELECT sum(b) OVER (ORDER BY c RANGE BETWEEN UNBOUNDED PRECEDING
AND CURRENT ROW) FROM t1"
10 "SELECT sum(b) OVER (ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING
AND UNBOUNDED FOLLOWING) FROM t1"
} {
do_test 2.$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
}
finish_test
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