# 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 $argv0] pg_common.tcl]
#=========================================================================
start_test window4 "2018 June 04"
execsql_test 1.0 {
DROP TABLE IF EXISTS t3;
CREATE TABLE t3(a TEXT PRIMARY KEY);
INSERT INTO t3 VALUES('a'), ('b'), ('c'), ('d'), ('e');
INSERT INTO t3 VALUES('f'), ('g'), ('h'), ('i'), ('j');
}
for {set i 1} {$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;
}
finish_test