# 2018 May 19
#
# 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.
#
#***********************************************************************
#
source [file join [file dirname $argv0] pg_common.tcl]
#=========================================================================
start_test window4 "2018 June 04"
ifcapable !windowfunc
execsql_test 1.0 {
DROP TABLE IF EXISTS t3;
CREATE TABLE t3(a TEXT PRIMARY KEY);
INSERT INTO t3 VALUES('a'), ('b'), ('c'), ('d'), ('e');
INSERT INTO t3 VALUES('f'), ('g'), ('h'), ('i'), ('j');
}
for {set i 1} {$i < 20} {incr i} {
execsql_test 1.$i "SELECT a, ntile($i) OVER (ORDER BY a) FROM t3"
}
execsql_test 2.0 {
DROP TABLE IF EXISTS t4;
CREATE TABLE t4(a INTEGER PRIMARY KEY, b TEXT, c INTEGER);
INSERT INTO t4 VALUES(1, 'A', 9);
INSERT INTO t4 VALUES(2, 'B', 3);
INSERT INTO t4 VALUES(3, 'C', 2);
INSERT INTO t4 VALUES(4, 'D', 10);
INSERT INTO t4 VALUES(5, 'E', 5);
INSERT INTO t4 VALUES(6, 'F', 1);
INSERT INTO t4 VALUES(7, 'G', 1);
INSERT INTO t4 VALUES(8, 'H', 2);
INSERT INTO t4 VALUES(9, 'I', 10);
INSERT INTO t4 VALUES(10, 'J', 4);
}
execsql_test 2.1 {
SELECT a, nth_value(b, c) OVER (ORDER BY a) FROM t4
}
execsql_test 2.2.1 {
SELECT a, lead(b) OVER (ORDER BY a) FROM t4
}
execsql_test 2.2.2 {
SELECT a, lead(b, 2) OVER (ORDER BY a) FROM t4
}
execsql_test 2.2.3 {
SELECT a, lead(b, 3, 'abc') OVER (ORDER BY a) FROM t4
}
execsql_test 2.3.1 {
SELECT a, lag(b) OVER (ORDER BY a) FROM t4
}
execsql_test 2.3.2 {
SELECT a, lag(b, 2) OVER (ORDER BY a) FROM t4
}
execsql_test 2.3.3 {
SELECT a, lag(b, 3, 'abc') OVER (ORDER BY a) FROM t4
}
execsql_test 2.4.1 {
SELECT string_agg(b, '.') OVER (
ORDER BY a ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
) FROM t4
}
execsql_test 3.0 {
DROP TABLE IF EXISTS t5;
CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT, d INTEGER);
INSERT INTO t5 VALUES(1, 'A', 'one', 5);
INSERT INTO t5 VALUES(2, 'B', 'two', 4);
INSERT INTO t5 VALUES(3, 'A', 'three', 3);
INSERT INTO t5 VALUES(4, 'B', 'four', 2);
INSERT INTO t5 VALUES(5, 'A', 'five', 1);
}
execsql_test 3.1 {
SELECT a, nth_value(c, d) OVER (ORDER BY b) FROM t5
}
execsql_test 3.2 {
SELECT a, nth_value(c, d) OVER (PARTITION BY b ORDER BY a) FROM t5
}
execsql_test 3.3 {
SELECT a, count(*) OVER abc, count(*) OVER def FROM t5
WINDOW abc AS (ORDER BY a),
def AS (ORDER BY a DESC)
ORDER BY a;
}
execsql_test 3.4 {
SELECT a, max(a) FILTER (WHERE (a%2)=0) OVER w FROM t5
WINDOW w AS (ORDER BY a)
}
execsql_test 3.5.1 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 PRECEDING AND 2 PRECEDING)
FROM t5
}
execsql_test 3.5.2 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING)
FROM t5
}
execsql_test 3.5.3 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 0 PRECEDING AND 0 PRECEDING)
FROM t5
}
execsql_test 3.6.1 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 2 FOLLOWING AND 1 FOLLOWING)
FROM t5
}
execsql_test 3.6.2 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING)
FROM t5
}
execsql_test 3.6.3 {
SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 0 FOLLOWING AND 0 FOLLOWING)
FROM t5
}
==========
execsql_test 4.0 {
DROP TABLE IF EXISTS ttt;
CREATE TABLE ttt(a INTEGER PRIMARY KEY, b INTEGER, c INTEGER);
INSERT INTO ttt VALUES(1, 1, 1);
INSERT INTO ttt VALUES(2, 2, 2);
INSERT INTO ttt VALUES(3, 3, 3);
INSERT INTO ttt VALUES(4, 1, 2);
INSERT INTO ttt VALUES(5, 2, 3);
INSERT INTO ttt VALUES(6, 3, 4);
INSERT INTO ttt VALUES(7, 1, 3);
INSERT INTO ttt VALUES(8, 2, 4);
INSERT INTO ttt VALUES(9, 3, 5);
}
execsql_test 4.1 {
SELECT max(c), max(b) OVER (ORDER BY b) FROM ttt GROUP BY b;
}
execsql_test 4.2 {
SELECT max(b) OVER (ORDER BY max(c)) FROM ttt GROUP BY b;
}
execsql_test 4.3 {
SELECT abs(max(b) OVER (ORDER BY b)) FROM ttt GROUP BY b;
}
execsql_test 4.4 {
SELECT sum(b) OVER (
ORDER BY a RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
) FROM ttt;
}
set lPart [list "PARTITION BY b" "PARTITION BY b, a" "" "PARTITION BY a"]
set lOrder [list "ORDER BY a" "ORDER BY a DESC" "" "ORDER BY b, a"]
set lRange {
"RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW"
"RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING"
"RANGE BETWEEN CURRENT ROW AND CURRENT ROW"
"RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING"
}
set lRows {
"ROWS BETWEEN 3 PRECEDING AND 1 FOLLOWING"
"ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING"
"ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING"
"ROWS BETWEEN 0 PRECEDING AND 1 PRECEDING"
"ROWS BETWEEN 1 FOLLOWING AND 500 FOLLOWING"
}
set tn 1
set SQL {
SELECT max(c) OVER ($p1 $o1 $r1),
min(c) OVER ($p2 $o2 $r2)
FROM ttt ORDER BY a
}
set SQL2 {
SELECT sum(c) OVER ($p1 $o1 $r1),
sum(c) OVER ($p2 $o2 $r2)
FROM ttt ORDER BY a
}
set o1 [lindex $lOrder 0]
set o2 [lindex $lOrder 0]
set r1 [lindex $lRange 0]
set r2 [lindex $lRange 0]
foreach p1 $lPart { foreach p2 $lPart {
execsql_test 4.5.$tn.1 [subst $SQL]
execsql_test 4.5.$tn.2 [subst $SQL2]
incr tn
}}
set o1 [lindex $lOrder 0]
set o2 [lindex $lOrder 0]
set p1 [lindex $lPart 0]
set p2 [lindex $lPart 0]
foreach r1 $lRange { foreach r2 $lRange {
execsql_test 4.5.$tn.1 [subst $SQL]
execsql_test 4.5.$tn.2 [subst $SQL2]
incr tn
}}
foreach r1 $lRows { foreach r2 $lRows {
execsql_test 4.5.$tn.1 [subst $SQL]
execsql_test 4.5.$tn.2 [subst $SQL2]
incr tn
}}
set r1 [lindex $lRange 0]
set r2 [lindex $lRange 0]
set p1 [lindex $lPart 0]
set p2 [lindex $lPart 0]
foreach o1 $lOrder { foreach o2 $lOrder {
execsql_test 4.5.$tn.1 [subst $SQL]
execsql_test 4.5.$tn.2 [subst $SQL2]
incr tn
}}
==========
execsql_test 7.0 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(x INTEGER, y INTEGER);
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);
}
execsql_test 7.1 {
SELECT lead(y) OVER win FROM t1
WINDOW win AS (ORDER BY x)
}
execsql_test 7.2 {
SELECT lead(y, 2) OVER win FROM t1
WINDOW win AS (ORDER BY x)
}
execsql_test 7.3 {
SELECT lead(y, 3, -1) OVER win FROM t1
WINDOW win AS (ORDER BY x)
}
execsql_test 7.4 {
SELECT
lead(y) OVER win, lead(y) OVER win
FROM t1
WINDOW win AS (ORDER BY x)
}
execsql_test 7.5 {
SELECT
lead(y) OVER win,
lead(y, 2) OVER win,
lead(y, 3, -1) OVER win
FROM t1
WINDOW win AS (ORDER BY x)
}
==========
execsql_test 8.0 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INTEGER, b INTEGER, c INTEGER, d INTEGER);
INSERT INTO t1 VALUES(1, 2, 3, 4);
INSERT INTO t1 VALUES(5, 6, 7, 8);
INSERT INTO t1 VALUES(9, 10, 11, 12);
}
execsql_test 8.1 {
SELECT row_number() OVER win,
nth_value(d,2) OVER win,
lead(d) OVER win
FROM t1
WINDOW win AS (ORDER BY a)
}
execsql_test 8.2 {
SELECT row_number() OVER win,
rank() OVER win,
dense_rank() OVER win,
ntile(2) OVER win,
first_value(d) OVER win,
last_value(d) OVER win,
nth_value(d,2) OVER win,
lead(d) OVER win,
lag(d) OVER win,
max(d) OVER win,
min(d) OVER win
FROM t1
WINDOW win AS (ORDER BY a)
}
==========
execsql_test 9.0 {
DROP TABLE IF EXISTS t2;
CREATE TABLE t2(x INTEGER);
INSERT INTO t2 VALUES(1), (1), (1), (4), (4), (6), (7);
}
execsql_test 9.1 {
SELECT rank() OVER () FROM t2
}
execsql_test 9.2 {
SELECT dense_rank() OVER (PARTITION BY x) FROM t2
}
execsql_float_test 9.3 {
SELECT x, percent_rank() OVER (PARTITION BY x ORDER BY x) FROM t2
}
execsql_test 9.4 {
SELECT x, rank() OVER (ORDER BY x) FROM t2 ORDER BY 1,2
}
execsql_test 9.5 {
SELECT DISTINCT x, rank() OVER (ORDER BY x) FROM t2 ORDER BY 1,2
}
execsql_float_test 9.6 {
SELECT percent_rank() OVER () FROM t1
}
execsql_float_test 9.7 {
SELECT cume_dist() OVER () FROM t1
}
execsql_test 10.0 {
DROP TABLE IF EXISTS t7;
CREATE TABLE t7(id INTEGER PRIMARY KEY, a INTEGER, b INTEGER);
INSERT INTO t7(id, a, b) VALUES
(1, 1, 2), (2, 1, NULL), (3, 1, 4),
(4, 3, NULL), (5, 3, 8), (6, 3, 1);
}
execsql_test 10.1 {
SELECT id, min(b) OVER (PARTITION BY a ORDER BY id) FROM t7;
}
execsql_test 10.2 {
SELECT id, lead(b, -1) OVER (PARTITION BY a ORDER BY id) FROM t7;
}
execsql_test 10.3 {
SELECT id, lag(b, -1) OVER (PARTITION BY a ORDER BY id) FROM t7;
}
execsql_test 11.0 {
DROP VIEW IF EXISTS v8;
DROP TABLE IF EXISTS t8;
CREATE TABLE t8(t INT, total INT);
INSERT INTO t8 VALUES(0,2);
INSERT INTO t8 VALUES(5,1);
INSERT INTO t8 VALUES(10,1);
}
execsql_test 11.1 {
SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8;
}
execsql_test 11.2 {
CREATE VIEW v8 AS SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8;
}
execsql_test 11.3 {
SELECT * FROM v8;
}
execsql_test 11.4 {
SELECT * FROM (
SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8
) sub;
}
finish_test