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425 lines
9.7 KiB
Tcl
425 lines
9.7 KiB
Tcl
## 2018 May 19
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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source [file join [file dirname $argv0] pg_common.tcl]
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#=========================================================================
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start_test window4 "2018 June 04"
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ifcapable !windowfunc
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execsql_test 1.0 {
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DROP TABLE IF EXISTS t3;
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CREATE TABLE t3(a TEXT PRIMARY KEY);
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INSERT INTO t3 VALUES('a'), ('b'), ('c'), ('d'), ('e');
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INSERT INTO t3 VALUES('f'), ('g'), ('h'), ('i'), ('j');
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}
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for {set i 1} {$i < 20} {incr i} {
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execsql_test 1.$i "SELECT a, ntile($i) OVER (ORDER BY a) FROM t3"
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}
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execsql_test 2.0 {
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DROP TABLE IF EXISTS t4;
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CREATE TABLE t4(a INTEGER PRIMARY KEY, b TEXT, c INTEGER);
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INSERT INTO t4 VALUES(1, 'A', 9);
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INSERT INTO t4 VALUES(2, 'B', 3);
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INSERT INTO t4 VALUES(3, 'C', 2);
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INSERT INTO t4 VALUES(4, 'D', 10);
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INSERT INTO t4 VALUES(5, 'E', 5);
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INSERT INTO t4 VALUES(6, 'F', 1);
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INSERT INTO t4 VALUES(7, 'G', 1);
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INSERT INTO t4 VALUES(8, 'H', 2);
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INSERT INTO t4 VALUES(9, 'I', 10);
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INSERT INTO t4 VALUES(10, 'J', 4);
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}
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execsql_test 2.1 {
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SELECT a, nth_value(b, c) OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.2.1 {
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SELECT a, lead(b) OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.2.2 {
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SELECT a, lead(b, 2) OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.2.3 {
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SELECT a, lead(b, 3, 'abc') OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.3.1 {
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SELECT a, lag(b) OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.3.2 {
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SELECT a, lag(b, 2) OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.3.3 {
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SELECT a, lag(b, 3, 'abc') OVER (ORDER BY a) FROM t4
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}
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execsql_test 2.4.1 {
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SELECT string_agg(b, '.') OVER (
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ORDER BY a ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
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) FROM t4
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}
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execsql_test 3.0 {
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DROP TABLE IF EXISTS t5;
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CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT, d INTEGER);
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INSERT INTO t5 VALUES(1, 'A', 'one', 5);
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INSERT INTO t5 VALUES(2, 'B', 'two', 4);
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INSERT INTO t5 VALUES(3, 'A', 'three', 3);
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INSERT INTO t5 VALUES(4, 'B', 'four', 2);
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INSERT INTO t5 VALUES(5, 'A', 'five', 1);
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}
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execsql_test 3.1 {
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SELECT a, nth_value(c, d) OVER (ORDER BY b) FROM t5
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}
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execsql_test 3.2 {
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SELECT a, nth_value(c, d) OVER (PARTITION BY b ORDER BY a) FROM t5
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}
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execsql_test 3.3 {
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SELECT a, count(*) OVER abc, count(*) OVER def FROM t5
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WINDOW abc AS (ORDER BY a),
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def AS (ORDER BY a DESC)
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ORDER BY a;
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}
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execsql_test 3.4 {
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SELECT a, max(a) FILTER (WHERE (a%2)=0) OVER w FROM t5
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WINDOW w AS (ORDER BY a)
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}
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execsql_test 3.5.1 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 PRECEDING AND 2 PRECEDING)
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FROM t5
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}
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execsql_test 3.5.2 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING)
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FROM t5
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}
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execsql_test 3.5.3 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 0 PRECEDING AND 0 PRECEDING)
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FROM t5
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}
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execsql_test 3.6.1 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 2 FOLLOWING AND 1 FOLLOWING)
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FROM t5
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}
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execsql_test 3.6.2 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING)
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FROM t5
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}
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execsql_test 3.6.3 {
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SELECT a, max(c) OVER (ORDER BY a ROWS BETWEEN 0 FOLLOWING AND 0 FOLLOWING)
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FROM t5
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}
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==========
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execsql_test 4.0 {
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DROP TABLE IF EXISTS ttt;
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CREATE TABLE ttt(a INTEGER PRIMARY KEY, b INTEGER, c INTEGER);
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INSERT INTO ttt VALUES(1, 1, 1);
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INSERT INTO ttt VALUES(2, 2, 2);
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INSERT INTO ttt VALUES(3, 3, 3);
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INSERT INTO ttt VALUES(4, 1, 2);
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INSERT INTO ttt VALUES(5, 2, 3);
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INSERT INTO ttt VALUES(6, 3, 4);
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INSERT INTO ttt VALUES(7, 1, 3);
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INSERT INTO ttt VALUES(8, 2, 4);
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INSERT INTO ttt VALUES(9, 3, 5);
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}
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execsql_test 4.1 {
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SELECT max(c), max(b) OVER (ORDER BY b) FROM ttt GROUP BY b;
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}
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execsql_test 4.2 {
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SELECT max(b) OVER (ORDER BY max(c)) FROM ttt GROUP BY b;
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}
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execsql_test 4.3 {
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SELECT abs(max(b) OVER (ORDER BY b)) FROM ttt GROUP BY b;
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}
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execsql_test 4.4 {
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SELECT sum(b) OVER (
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ORDER BY a RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
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) FROM ttt;
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}
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set lPart [list "PARTITION BY b" "PARTITION BY b, a" "" "PARTITION BY a"]
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set lOrder [list "ORDER BY a" "ORDER BY a DESC" "" "ORDER BY b, a"]
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set lRange {
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"RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW"
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"RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING"
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"RANGE BETWEEN CURRENT ROW AND CURRENT ROW"
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"RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING"
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}
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set lRows {
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"ROWS BETWEEN 3 PRECEDING AND 1 FOLLOWING"
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"ROWS BETWEEN 3 PRECEDING AND 2 FOLLOWING"
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"ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING"
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"ROWS BETWEEN 0 PRECEDING AND 1 PRECEDING"
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"ROWS BETWEEN 1 FOLLOWING AND 500 FOLLOWING"
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}
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set tn 1
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set SQL {
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SELECT max(c) OVER ($p1 $o1 $r1),
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min(c) OVER ($p2 $o2 $r2)
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FROM ttt ORDER BY a
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}
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set SQL2 {
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SELECT sum(c) OVER ($p1 $o1 $r1),
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sum(c) OVER ($p2 $o2 $r2)
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FROM ttt ORDER BY a
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}
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set o1 [lindex $lOrder 0]
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set o2 [lindex $lOrder 0]
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set r1 [lindex $lRange 0]
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set r2 [lindex $lRange 0]
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foreach p1 $lPart { foreach p2 $lPart {
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execsql_test 4.5.$tn.1 [subst $SQL]
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execsql_test 4.5.$tn.2 [subst $SQL2]
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incr tn
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}}
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set o1 [lindex $lOrder 0]
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set o2 [lindex $lOrder 0]
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set p1 [lindex $lPart 0]
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set p2 [lindex $lPart 0]
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foreach r1 $lRange { foreach r2 $lRange {
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execsql_test 4.5.$tn.1 [subst $SQL]
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execsql_test 4.5.$tn.2 [subst $SQL2]
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incr tn
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}}
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foreach r1 $lRows { foreach r2 $lRows {
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execsql_test 4.5.$tn.1 [subst $SQL]
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execsql_test 4.5.$tn.2 [subst $SQL2]
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incr tn
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}}
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set r1 [lindex $lRange 0]
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set r2 [lindex $lRange 0]
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set p1 [lindex $lPart 0]
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set p2 [lindex $lPart 0]
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foreach o1 $lOrder { foreach o2 $lOrder {
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execsql_test 4.5.$tn.1 [subst $SQL]
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execsql_test 4.5.$tn.2 [subst $SQL2]
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incr tn
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}}
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==========
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execsql_test 7.0 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x INTEGER, y INTEGER);
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INSERT INTO t1 VALUES(1, 2);
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INSERT INTO t1 VALUES(3, 4);
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INSERT INTO t1 VALUES(5, 6);
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INSERT INTO t1 VALUES(7, 8);
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INSERT INTO t1 VALUES(9, 10);
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}
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execsql_test 7.1 {
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SELECT lead(y) OVER win FROM t1
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WINDOW win AS (ORDER BY x)
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}
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execsql_test 7.2 {
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SELECT lead(y, 2) OVER win FROM t1
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WINDOW win AS (ORDER BY x)
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}
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execsql_test 7.3 {
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SELECT lead(y, 3, -1) OVER win FROM t1
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WINDOW win AS (ORDER BY x)
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}
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execsql_test 7.4 {
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SELECT
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lead(y) OVER win, lead(y) OVER win
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FROM t1
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WINDOW win AS (ORDER BY x)
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}
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execsql_test 7.5 {
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SELECT
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lead(y) OVER win,
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lead(y, 2) OVER win,
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lead(y, 3, -1) OVER win
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FROM t1
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WINDOW win AS (ORDER BY x)
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}
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==========
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execsql_test 8.0 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a INTEGER, b INTEGER, c INTEGER, d INTEGER);
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INSERT INTO t1 VALUES(1, 2, 3, 4);
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INSERT INTO t1 VALUES(5, 6, 7, 8);
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INSERT INTO t1 VALUES(9, 10, 11, 12);
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}
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execsql_test 8.1 {
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SELECT row_number() OVER win,
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nth_value(d,2) OVER win,
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lead(d) OVER win
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FROM t1
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WINDOW win AS (ORDER BY a)
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}
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execsql_test 8.2 {
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SELECT row_number() OVER win,
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rank() OVER win,
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dense_rank() OVER win,
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ntile(2) OVER win,
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first_value(d) OVER win,
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last_value(d) OVER win,
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nth_value(d,2) OVER win,
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lead(d) OVER win,
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lag(d) OVER win,
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max(d) OVER win,
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min(d) OVER win
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FROM t1
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WINDOW win AS (ORDER BY a)
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}
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==========
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execsql_test 9.0 {
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t2(x INTEGER);
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INSERT INTO t2 VALUES(1), (1), (1), (4), (4), (6), (7);
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}
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execsql_test 9.1 {
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SELECT rank() OVER () FROM t2
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}
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execsql_test 9.2 {
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SELECT dense_rank() OVER (PARTITION BY x) FROM t2
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}
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execsql_float_test 9.3 {
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SELECT x, percent_rank() OVER (PARTITION BY x ORDER BY x) FROM t2
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}
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execsql_test 9.4 {
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SELECT x, rank() OVER (ORDER BY x) FROM t2 ORDER BY 1,2
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}
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execsql_test 9.5 {
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SELECT DISTINCT x, rank() OVER (ORDER BY x) FROM t2 ORDER BY 1,2
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}
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execsql_float_test 9.6 {
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SELECT percent_rank() OVER () FROM t1
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}
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execsql_float_test 9.7 {
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SELECT cume_dist() OVER () FROM t1
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}
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execsql_test 10.0 {
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DROP TABLE IF EXISTS t7;
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CREATE TABLE t7(id INTEGER PRIMARY KEY, a INTEGER, b INTEGER);
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INSERT INTO t7(id, a, b) VALUES
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(1, 1, 2), (2, 1, NULL), (3, 1, 4),
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(4, 3, NULL), (5, 3, 8), (6, 3, 1);
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}
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execsql_test 10.1 {
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SELECT id, min(b) OVER (PARTITION BY a ORDER BY id) FROM t7;
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}
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execsql_test 10.2 {
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SELECT id, lead(b, -1) OVER (PARTITION BY a ORDER BY id) FROM t7;
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}
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execsql_test 10.3 {
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SELECT id, lag(b, -1) OVER (PARTITION BY a ORDER BY id) FROM t7;
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}
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execsql_test 11.0 {
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DROP VIEW IF EXISTS v8;
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DROP TABLE IF EXISTS t8;
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CREATE TABLE t8(t INT, total INT);
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INSERT INTO t8 VALUES(0,2);
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INSERT INTO t8 VALUES(5,1);
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INSERT INTO t8 VALUES(10,1);
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}
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execsql_test 11.1 {
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SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8;
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}
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execsql_test 11.2 {
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CREATE VIEW v8 AS SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8;
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}
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execsql_test 11.3 {
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SELECT * FROM v8;
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}
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execsql_test 11.4 {
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SELECT * FROM (
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SELECT NTILE(256) OVER (ORDER BY total) - 1 AS nt FROM t8
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) sub;
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}
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execsql_test 11.5 {
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SELECT sum( min(t) ) OVER () FROM t8 GROUP BY total;
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}
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execsql_test 11.5 {
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SELECT sum( max(t) ) OVER () FROM t8 GROUP BY total;
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}
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execsql_test 11.7 {
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SELECT sum( min(t) ) OVER () FROM t8;
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}
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execsql_test 11.8 {
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SELECT sum( max(t) ) OVER () FROM t8;
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}
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execsql_test 12.0 {
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t2(a INTEGER);
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INSERT INTO t2 VALUES(1), (2), (3);
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}
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execsql_test 12.1 {
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SELECT (SELECT min(a) OVER ()) FROM t2
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}
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execsql_float_test 12.2 {
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SELECT (SELECT avg(a)) FROM t2 ORDER BY 1
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}
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execsql_float_test 12.3 {
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SELECT
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(SELECT avg(a) UNION SELECT min(a) OVER ())
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FROM t2 GROUP BY a
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ORDER BY 1
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}
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finish_test
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