598 lines
15 KiB
Plaintext
598 lines
15 KiB
Plaintext
# 2018 May 8
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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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# This file implements regression tests for SQLite library.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix window1
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ifcapable !windowfunc {
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finish_test
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return
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}
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b, c, d);
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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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do_execsql_test 1.1 {
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SELECT sum(b) OVER () FROM t1
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} {18 18 18}
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do_execsql_test 1.2 {
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SELECT a, sum(b) OVER () FROM t1
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} {1 18 5 18 9 18}
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do_execsql_test 1.3 {
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SELECT a, 4 + sum(b) OVER () FROM t1
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} {1 22 5 22 9 22}
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do_execsql_test 1.4 {
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SELECT a + 4 + sum(b) OVER () FROM t1
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} {23 27 31}
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do_execsql_test 1.5 {
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SELECT a, sum(b) OVER (PARTITION BY c) FROM t1
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} {1 2 5 6 9 10}
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foreach {tn sql} {
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1 "SELECT sum(b) OVER () FROM t1"
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2 "SELECT sum(b) OVER (PARTITION BY c) FROM t1"
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3 "SELECT sum(b) OVER (ORDER BY c) FROM t1"
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4 "SELECT sum(b) OVER (PARTITION BY d ORDER BY c) FROM t1"
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5 "SELECT sum(b) FILTER (WHERE a>0) OVER (PARTITION BY d ORDER BY c) FROM t1"
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6 "SELECT sum(b) OVER (ORDER BY c RANGE UNBOUNDED PRECEDING) FROM t1"
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7 "SELECT sum(b) OVER (ORDER BY c ROWS 45 PRECEDING) FROM t1"
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8 "SELECT sum(b) OVER (ORDER BY c RANGE CURRENT ROW) FROM t1"
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9 "SELECT sum(b) OVER (ORDER BY c RANGE BETWEEN UNBOUNDED PRECEDING
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AND CURRENT ROW) FROM t1"
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10 "SELECT sum(b) OVER (ORDER BY c ROWS BETWEEN UNBOUNDED PRECEDING
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AND UNBOUNDED FOLLOWING) FROM t1"
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} {
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do_test 2.$tn { lindex [catchsql $sql] 0 } 0
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}
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foreach {tn sql} {
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1 "SELECT * FROM t1 WHERE sum(b) OVER ()"
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2 "SELECT * FROM t1 GROUP BY sum(b) OVER ()"
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3 "SELECT * FROM t1 GROUP BY a HAVING sum(b) OVER ()"
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} {
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do_catchsql_test 3.$tn $sql {1 {misuse of window function sum()}}
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}
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do_execsql_test 4.0 {
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CREATE TABLE t2(a, b, c);
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INSERT INTO t2 VALUES(0, 0, 0);
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INSERT INTO t2 VALUES(1, 1, 1);
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INSERT INTO t2 VALUES(2, 0, 2);
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INSERT INTO t2 VALUES(3, 1, 0);
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INSERT INTO t2 VALUES(4, 0, 1);
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INSERT INTO t2 VALUES(5, 1, 2);
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INSERT INTO t2 VALUES(6, 0, 0);
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}
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do_execsql_test 4.1 {
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SELECT a, sum(a) OVER (PARTITION BY b) FROM t2;
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} {
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0 12 2 12 4 12 6 12 1 9 3 9 5 9
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}
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do_execsql_test 4.2 {
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SELECT a, sum(a) OVER (PARTITION BY b) FROM t2 ORDER BY a;
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} {
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0 12 1 9 2 12 3 9 4 12 5 9 6 12
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}
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do_execsql_test 4.3 {
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SELECT a, sum(a) OVER () FROM t2 ORDER BY a;
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} {
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0 21 1 21 2 21 3 21 4 21 5 21 6 21
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}
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do_execsql_test 4.4 {
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SELECT a, sum(a) OVER (ORDER BY a) FROM t2;
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} {
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0 0 1 1 2 3 3 6 4 10 5 15 6 21
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}
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do_execsql_test 4.5 {
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SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a) FROM t2 ORDER BY a
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} {
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0 0 1 1 2 2 3 4 4 6 5 9 6 12
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}
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do_execsql_test 4.6 {
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SELECT a, sum(a) OVER (PARTITION BY c ORDER BY a) FROM t2 ORDER BY a
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} {
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0 0 1 1 2 2 3 3 4 5 5 7 6 9
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}
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do_execsql_test 4.7 {
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SELECT a, sum(a) OVER (PARTITION BY b ORDER BY a DESC) FROM t2 ORDER BY a
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} {
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0 12 1 9 2 12 3 8 4 10 5 5 6 6
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}
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do_execsql_test 4.8 {
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SELECT a,
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sum(a) OVER (PARTITION BY b ORDER BY a DESC),
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sum(a) OVER (PARTITION BY c ORDER BY a)
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FROM t2 ORDER BY a
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} {
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0 12 0
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1 9 1
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2 12 2
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3 8 3
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4 10 5
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5 5 7
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6 6 9
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}
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do_execsql_test 4.9 {
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SELECT a,
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sum(a) OVER (ORDER BY a),
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avg(a) OVER (ORDER BY a)
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FROM t2 ORDER BY a
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} {
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0 0 0.0
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1 1 0.5
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2 3 1.0
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3 6 1.5
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4 10 2.0
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5 15 2.5
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6 21 3.0
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}
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do_execsql_test 4.10.1 {
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SELECT a,
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count() OVER (ORDER BY a DESC),
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group_concat(a, '.') OVER (ORDER BY a DESC)
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FROM t2 ORDER BY a DESC
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} {
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6 1 6
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5 2 6.5
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4 3 6.5.4
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3 4 6.5.4.3
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2 5 6.5.4.3.2
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1 6 6.5.4.3.2.1
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0 7 6.5.4.3.2.1.0
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}
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do_execsql_test 4.10.2 {
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SELECT a,
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count(*) OVER (ORDER BY a DESC),
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group_concat(a, '.') OVER (ORDER BY a DESC)
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FROM t2 ORDER BY a DESC
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} {
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6 1 6
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5 2 6.5
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4 3 6.5.4
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3 4 6.5.4.3
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2 5 6.5.4.3.2
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1 6 6.5.4.3.2.1
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0 7 6.5.4.3.2.1.0
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}
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do_catchsql_test 5.1 {
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SELECT ntile(0) OVER (ORDER BY a) FROM t2;
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} {1 {argument of ntile must be a positive integer}}
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do_catchsql_test 5.2 {
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SELECT ntile(-1) OVER (ORDER BY a) FROM t2;
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} {1 {argument of ntile must be a positive integer}}
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do_catchsql_test 5.3 {
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SELECT ntile('zbc') OVER (ORDER BY a) FROM t2;
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} {1 {argument of ntile must be a positive integer}}
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do_execsql_test 5.4 {
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CREATE TABLE t4(a, b);
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SELECT ntile(1) OVER (ORDER BY a) FROM t4;
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} {}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 6.1 {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(7), (6), (5), (4), (3), (2), (1);
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CREATE TABLE t2(x);
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INSERT INTO t2 VALUES('b'), ('a');
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SELECT x, count(*) OVER (ORDER BY x) FROM t1;
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} {1 1 2 2 3 3 4 4 5 5 6 6 7 7}
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do_execsql_test 6.2 {
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SELECT * FROM t2, (SELECT x, count(*) OVER (ORDER BY x) FROM t1);
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} {
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b 1 1 b 2 2 b 3 3 b 4 4 b 5 5 b 6 6 b 7 7
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a 1 1 a 2 2 a 3 3 a 4 4 a 5 5 a 6 6 a 7 7
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}
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do_catchsql_test 6.3 {
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SELECT x, lag(x) FILTER (WHERE (x%2)=0) OVER w FROM t1
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WINDOW w AS (ORDER BY x)
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} {1 {FILTER clause may only be used with aggregate window functions}}
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#-------------------------------------------------------------------------
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# Attempt to use a window function as an aggregate. And other errors.
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#
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reset_db
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do_execsql_test 7.0 {
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CREATE TABLE t1(x, y);
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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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do_catchsql_test 7.1.1 {
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SELECT nth_value(x, 1) FROM t1;
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} {1 {misuse of window function nth_value()}}
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do_catchsql_test 7.1.2 {
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SELECT * FROM t1 WHERE nth_value(x, 1) OVER (ORDER BY y);
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} {1 {misuse of window function nth_value()}}
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do_catchsql_test 7.1.3 {
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SELECT count(*) FROM t1 GROUP BY y HAVING nth_value(x, 1) OVER (ORDER BY y);
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} {1 {misuse of window function nth_value()}}
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do_catchsql_test 7.1.4 {
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SELECT count(*) FROM t1 GROUP BY nth_value(x, 1) OVER (ORDER BY y);
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} {1 {misuse of window function nth_value()}}
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do_catchsql_test 7.1.5 {
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SELECT count(*) FROM t1 LIMIT nth_value(x, 1) OVER ();
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} {1 {no such column: x}}
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do_catchsql_test 7.1.6 {
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SELECT trim(x) OVER (ORDER BY y) FROM t1;
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} {1 {trim() may not be used as a window function}}
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do_catchsql_test 7.1.7 {
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SELECT max(x) OVER abc FROM t1 WINDOW def AS (ORDER BY y);
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} {1 {no such window: abc}}
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do_execsql_test 7.2 {
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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, 'default') 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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4 6 8 6 8 10 8 10 default 10 {} default {} {} default
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}
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do_execsql_test 7.3 {
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SELECT row_number() OVER (ORDER BY x) FROM t1
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} {1 2 3 4 5}
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do_execsql_test 7.4 {
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SELECT
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row_number() OVER win,
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lead(x) OVER win
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FROM t1
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WINDOW win AS (ORDER BY x ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
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} {1 3 2 5 3 7 4 9 5 {}}
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#-------------------------------------------------------------------------
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# Attempt to use a window function in a view.
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#
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do_execsql_test 8.0 {
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CREATE TABLE t3(a, b, c);
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WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<6 )
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INSERT INTO t3 SELECT i, i, i FROM s;
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CREATE VIEW v1 AS SELECT
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sum(b) OVER (ORDER BY c),
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min(b) OVER (ORDER BY c),
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max(b) OVER (ORDER BY c)
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FROM t3;
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CREATE VIEW v2 AS SELECT
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sum(b) OVER win,
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min(b) OVER win,
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max(b) OVER win
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FROM t3
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WINDOW win AS (ORDER BY c);
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}
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do_execsql_test 8.1.1 {
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SELECT * FROM v1
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} {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6}
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do_execsql_test 8.1.2 {
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SELECT * FROM v2
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} {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6}
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db close
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sqlite3 db test.db
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do_execsql_test 8.2.1 {
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SELECT * FROM v1
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} {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6}
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do_execsql_test 8.2.2 {
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SELECT * FROM v2
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} {1 1 1 3 1 2 6 1 3 10 1 4 15 1 5 21 1 6}
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#-------------------------------------------------------------------------
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# Attempt to use a window function in a trigger.
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#
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do_execsql_test 9.0 {
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CREATE TABLE t4(x, y);
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INSERT INTO t4 VALUES(1, 'g');
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INSERT INTO t4 VALUES(2, 'i');
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INSERT INTO t4 VALUES(3, 'l');
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INSERT INTO t4 VALUES(4, 'g');
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INSERT INTO t4 VALUES(5, 'a');
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CREATE TABLE t5(x, y, m);
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CREATE TRIGGER t4i AFTER INSERT ON t4 BEGIN
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DELETE FROM t5;
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INSERT INTO t5
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SELECT x, y, max(y) OVER xyz FROM t4
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WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x);
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END;
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}
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do_execsql_test 9.1.1 {
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SELECT x, y, max(y) OVER xyz FROM t4
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WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x) ORDER BY 1
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} {1 g g 2 i i 3 l l 4 g i 5 a l}
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do_execsql_test 9.1.2 {
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INSERT INTO t4 VALUES(6, 'm');
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SELECT x, y, max(y) OVER xyz FROM t4
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WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x) ORDER BY 1
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} {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m}
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do_execsql_test 9.1.3 {
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SELECT * FROM t5 ORDER BY 1
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} {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m}
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do_execsql_test 9.2 {
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WITH aaa(x, y, z) AS (
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SELECT x, y, max(y) OVER xyz FROM t4
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WINDOW xyz AS (PARTITION BY (x%2) ORDER BY x)
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)
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SELECT * FROM aaa ORDER BY 1;
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} {1 g g 2 i i 3 l l 4 g i 5 a l 6 m m}
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do_execsql_test 9.3 {
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WITH aaa(x, y, z) AS (
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SELECT x, y, max(y) OVER xyz FROM t4
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WINDOW xyz AS (ORDER BY x)
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)
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SELECT *, min(z) OVER (ORDER BY x) FROM aaa ORDER BY 1;
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} {1 g g g 2 i i g 3 l l g 4 g l g 5 a l g 6 m m g}
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#-------------------------------------------------------------------------
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#
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do_execsql_test 10.0 {
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CREATE TABLE sales(emp TEXT PRIMARY KEY, region, total);
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INSERT INTO sales VALUES
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('Alice', 'North', 34),
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('Frank', 'South', 22),
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('Charles', 'North', 45),
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('Darrell', 'South', 8),
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('Grant', 'South', 23),
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('Brad' , 'North', 22),
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('Elizabeth', 'South', 99),
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('Horace', 'East', 1);
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}
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# Best two salespeople from each region
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#
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do_execsql_test 10.1 {
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SELECT emp, region, total FROM (
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SELECT
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emp, region, total,
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row_number() OVER (PARTITION BY region ORDER BY total DESC) AS rank
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FROM sales
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) WHERE rank<=2 ORDER BY region, total DESC
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} {
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Horace East 1
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Charles North 45
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Alice North 34
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Elizabeth South 99
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Grant South 23
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}
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do_execsql_test 10.2 {
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SELECT emp, region, sum(total) OVER win FROM sales
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WINDOW win AS (PARTITION BY region ORDER BY total)
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} {
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Horace East 1
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Brad North 22
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Alice North 56
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Charles North 101
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Darrell South 8
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Frank South 30
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Grant South 53
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Elizabeth South 152
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}
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do_execsql_test 10.3 {
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SELECT emp, region, sum(total) OVER win FROM sales
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WINDOW win AS (PARTITION BY region ORDER BY total)
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LIMIT 5
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} {
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Horace East 1
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Brad North 22
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Alice North 56
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Charles North 101
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Darrell South 8
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}
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do_execsql_test 10.4 {
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SELECT emp, region, sum(total) OVER win FROM sales
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WINDOW win AS (PARTITION BY region ORDER BY total)
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LIMIT 5 OFFSET 2
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} {
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Alice North 56
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Charles North 101
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Darrell South 8
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Frank South 30
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Grant South 53
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}
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do_execsql_test 10.5 {
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SELECT emp, region, sum(total) OVER win FROM sales
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WINDOW win AS (
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PARTITION BY region ORDER BY total
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ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
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)
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} {
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Horace East 1
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Brad North 101
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Alice North 79
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Charles North 45
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Darrell South 152
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Frank South 144
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Grant South 122
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Elizabeth South 99
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}
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do_execsql_test 10.6 {
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SELECT emp, region, sum(total) OVER win FROM sales
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WINDOW win AS (
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PARTITION BY region ORDER BY total
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ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
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) LIMIT 5 OFFSET 2
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} {
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Alice North 79
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Charles North 45
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Darrell South 152
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Frank South 144
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Grant South 122
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}
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do_execsql_test 10.7 {
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SELECT emp, region, (
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SELECT sum(total) OVER (
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ORDER BY total RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
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) || outer.emp FROM sales
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) FROM sales AS outer;
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} {
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Alice North 254Alice
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Frank South 254Frank
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Charles North 254Charles
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Darrell South 254Darrell
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Grant South 254Grant
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Brad North 254Brad
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Elizabeth South 254Elizabeth
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Horace East 254Horace
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}
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do_execsql_test 10.8 {
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SELECT emp, region, (
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SELECT sum(total) FILTER (WHERE sales.emp!=outer.emp) OVER (
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ORDER BY total RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
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) FROM sales
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) FROM sales AS outer;
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} {
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Alice North 220
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Frank South 232
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Charles North 209
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Darrell South 246
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Grant South 231
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Brad North 232
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Elizabeth South 155
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Horace East 253
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}
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#-------------------------------------------------------------------------
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# Check that it is not possible to use a window function in a CREATE INDEX
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# statement.
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#
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do_execsql_test 11.0 { CREATE TABLE t6(a, b, c); }
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do_catchsql_test 11.1 {
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CREATE INDEX t6i ON t6(a) WHERE sum(b) OVER ();
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} {1 {misuse of window function sum()}}
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do_catchsql_test 11.2 {
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CREATE INDEX t6i ON t6(a) WHERE lead(b) OVER ();
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} {1 {misuse of window function lead()}}
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do_catchsql_test 11.3 {
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CREATE INDEX t6i ON t6(sum(b) OVER ());
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} {1 {misuse of window function sum()}}
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do_catchsql_test 11.4 {
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CREATE INDEX t6i ON t6(lead(b) OVER ());
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|
} {1 {misuse of window function lead()}}
|
|
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|
# 2018-09-17 ticket 510cde277783b5fb5de628393959849dff377eb3
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# Endless loop on a query with window functions and a limit
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#
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do_execsql_test 12.100 {
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|
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(id INT, b VARCHAR, c VARCHAR);
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INSERT INTO t1 VALUES(1, 'A', 'one');
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INSERT INTO t1 VALUES(2, 'B', 'two');
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INSERT INTO t1 VALUES(3, 'C', 'three');
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|
INSERT INTO t1 VALUES(4, 'D', 'one');
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INSERT INTO t1 VALUES(5, 'E', 'two');
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SELECT id, b, lead(c,1) OVER(ORDER BY c) AS x
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FROM t1 WHERE id>1
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ORDER BY b LIMIT 1;
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|
} {2 B two}
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|
do_execsql_test 12.110 {
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|
INSERT INTO t1 VALUES(6, 'F', 'three');
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|
INSERT INTO t1 VALUES(7, 'G', 'one');
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|
SELECT id, b, lead(c,1) OVER(ORDER BY c) AS x
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|
FROM t1 WHERE id>1
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|
ORDER BY b LIMIT 2;
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|
} {2 B two 3 C three}
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|
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|
#-------------------------------------------------------------------------
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|
|
|
do_execsql_test 13.1 {
|
|
DROP TABLE IF EXISTS t1;
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|
CREATE TABLE t1(a int, b int);
|
|
INSERT INTO t1 VALUES(1,11);
|
|
INSERT INTO t1 VALUES(2,12);
|
|
}
|
|
|
|
do_execsql_test 13.2.1 {
|
|
SELECT a, rank() OVER(ORDER BY b) FROM t1;
|
|
SELECT a, rank() OVER(ORDER BY b DESC) FROM t1;
|
|
} {
|
|
1 1 2 2 2 1 1 2
|
|
}
|
|
do_execsql_test 13.2.2 {
|
|
SELECT a, rank() OVER(ORDER BY b) FROM t1
|
|
UNION ALL
|
|
SELECT a, rank() OVER(ORDER BY b DESC) FROM t1;
|
|
} {
|
|
1 1 2 2 2 1 1 2
|
|
}
|
|
do_execsql_test 13.3 {
|
|
SELECT a, rank() OVER(ORDER BY b) FROM t1
|
|
UNION
|
|
SELECT a, rank() OVER(ORDER BY b DESC) FROM t1;
|
|
} {
|
|
1 1 1 2 2 1 2 2
|
|
}
|
|
|
|
do_execsql_test 13.4 {
|
|
SELECT a, rank() OVER(ORDER BY b) FROM t1
|
|
EXCEPT
|
|
SELECT a, rank() OVER(ORDER BY b DESC) FROM t1;
|
|
} {
|
|
1 1 2 2
|
|
}
|
|
|
|
do_execsql_test 13.5 {
|
|
SELECT a, rank() OVER(ORDER BY b) FROM t1
|
|
INTERSECT
|
|
SELECT a, rank() OVER(ORDER BY b DESC) FROM t1;
|
|
} {
|
|
}
|
|
|
|
finish_test
|