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Diffstat (limited to 'test/window6.test')
| -rw-r--r-- | test/window6.test | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/test/window6.test b/test/window6.test new file mode 100644 index 0000000..b5e6772 --- /dev/null +++ b/test/window6.test @@ -0,0 +1,371 @@ +# 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. Specifically, +# it tests the sqlite3_create_window_function() API. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +set testprefix window6 + +ifcapable !windowfunc { + finish_test + return +} + +set setup { + CREATE TABLE %t1(%x, %y %typename); + INSERT INTO %t1 VALUES(1, 'a'); + INSERT INTO %t1 VALUES(2, 'b'); + INSERT INTO %t1 VALUES(3, 'c'); + INSERT INTO %t1 VALUES(4, 'd'); + INSERT INTO %t1 VALUES(5, 'e'); +} + +foreach {tn vars} { + 1 {} + 2 { set A(%t1) over } + 3 { set A(%x) over } + 4 { + set A(%alias) over + set A(%x) following + set A(%y) over + } + 5 { + set A(%t1) over + set A(%x) following + set A(%y) preceding + set A(%w) current + set A(%alias) filter + set A(%typename) window + } + + 6 { + set A(%x) window + } +} { + set A(%t1) t1 + set A(%x) x + set A(%y) y + set A(%w) w + set A(%alias) alias + set A(%typename) integer + eval $vars + + set MAP [array get A] + set setup_sql [string map $MAP $setup] + reset_db + execsql $setup_sql + + do_execsql_test 1.$tn.1 [string map $MAP { + SELECT group_concat(%x, '.') OVER (ORDER BY %y) FROM %t1 + }] {1 1.2 1.2.3 1.2.3.4 1.2.3.4.5} + + do_execsql_test 1.$tn.2 [string map $MAP { + SELECT sum(%x) OVER %w FROM %t1 WINDOW %w AS (ORDER BY %y) + }] {1 3 6 10 15} + + do_execsql_test 1.$tn.3 [string map $MAP { + SELECT sum(%alias.%x) OVER %w FROM %t1 %alias WINDOW %w AS (ORDER BY %y) + }] {1 3 6 10 15} + + do_execsql_test 1.$tn.4 [string map $MAP { + SELECT sum(%x) %alias FROM %t1 + }] {15} +} + + +proc winproc {args} { return "window: $args" } +db func window winproc +do_execsql_test 2.0 { + SELECT window('hello world'); +} {{window: {hello world}}} + +proc wincmp {a b} { string compare $b $a } +db collate window wincmp +do_execsql_test 3.0 { + CREATE TABLE window(x COLLATE window); + INSERT INTO window VALUES('bob'), ('alice'), ('cate'); + SELECT * FROM window ORDER BY x COLLATE window; +} {cate bob alice} +do_execsql_test 3.1 { + DROP TABLE window; + CREATE TABLE x1(x); + INSERT INTO x1 VALUES('bob'), ('alice'), ('cate'); + CREATE INDEX window ON x1(x COLLATE window); + SELECT * FROM x1 ORDER BY x COLLATE window; +} {cate bob alice} + + +do_execsql_test 4.0 { CREATE TABLE t4(x, y); } + +# do_execsql_test 4.1 { PRAGMA parser_trace = 1 } +do_execsql_test 4.1 { + SELECT * FROM t4 window, t4; +} + +#------------------------------------------------------------------------- +reset_db + +do_execsql_test 5.0 { + CREATE TABLE over(x, over); + CREATE TABLE window(x, window); + INSERT INTO over VALUES(1, 2), (3, 4), (5, 6); + INSERT INTO window VALUES(1, 2), (3, 4), (5, 6); + SELECT sum(x) over FROM over +} {9} + +do_execsql_test 5.1 { + SELECT sum(x) over over FROM over WINDOW over AS () +} {9 9 9} + +do_execsql_test 5.2 { + SELECT sum(over) over over over FROM over over WINDOW over AS (ORDER BY over) +} {2 6 12} + +do_execsql_test 5.3 { + SELECT sum(over) over over over FROM over over WINDOW over AS (ORDER BY over); +} {2 6 12} + +do_execsql_test 5.4 { + SELECT sum(window) OVER window window FROM window window window window AS (ORDER BY window); +} {2 6 12} + +do_execsql_test 5.5 { + SELECT count(*) OVER win FROM over + WINDOW win AS (ORDER BY x ROWS BETWEEN +2 FOLLOWING AND +3 FOLLOWING) +} {1 0 0} + +#------------------------------------------------------------------------- +# + +ifcapable !icu { + sqlite3_db_config db SQLITE_DBCONFIG_DQS_DML 1 + do_execsql_test 6.0 { + SELECT LIKE('!', '', '!') x WHERE x; + } {} + do_execsql_test 6.1 { + SELECT LIKE("!","","!")""WHeRE""; + } {} + do_catchsql_test 6.2 { + SELECT LIKE("!","","!")""window""; + } {1 {near "window": syntax error}} +} + +reset_db +do_execsql_test 7.0 { + CREATE TABLE t1(x TEXT); + CREATE INDEX i1 ON t1(x COLLATE nocase); + INSERT INTO t1 VALUES(''); +} + +ifcapable !icu { + do_execsql_test 7.1 { + SELECT count(*) FROM t1 WHERE x LIKE '!' ESCAPE '!'; + } {0} +} + +#------------------------------------------------------------------------- +# +do_execsql_test 8.0 { + CREATE TABLE IF NOT EXISTS "sample" ( + "id" INTEGER NOT NULL PRIMARY KEY, + "counter" INTEGER NOT NULL, + "value" REAL NOT NULL + ); + + INSERT INTO "sample" (counter, value) + VALUES (1, 10.), (1, 20.), (2, 1.), (2, 3.), (3, 100.); +} + +do_execsql_test 8.1 { + SELECT "counter", "value", RANK() OVER w AS "rank" + FROM "sample" + WINDOW w AS (PARTITION BY "counter" ORDER BY "value" DESC) + ORDER BY "counter", RANK() OVER w +} { + 1 20.0 1 1 10.0 2 2 3.0 1 2 1.0 2 3 100.0 1 +} + +do_execsql_test 8.2 { + SELECT "counter", "value", SUM("value") OVER + (ORDER BY "id" ROWS 2 PRECEDING) + FROM "sample" + ORDER BY "id" +} { + 1 10.0 10.0 1 20.0 30.0 2 1.0 31.0 2 3.0 24.0 3 100.0 104.0 +} + +do_execsql_test 8.3 { + SELECT SUM("value") OVER + (ORDER BY "id" ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) + FROM "sample" + ORDER BY "id" +} { + 10.0 30.0 31.0 24.0 104.0 +} + +do_execsql_test 9.0 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT x, group_concat(x) OVER (ORDER BY x ROWS 2 PRECEDING) + FROM c; +} { + 1 1 2 1,2 3 1,2,3 4 2,3,4 5 3,4,5 +} +#do_catchsql_test 9.1 { +# WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) +# SELECT x, group_concat(x) OVER (ORDER BY x RANGE 2 PRECEDING) +# FROM c; +#} {1 {RANGE must use only UNBOUNDED or CURRENT ROW}} +# +#do_catchsql_test 9.2 { +# WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) +# SELECT x, group_concat(x) OVER (ORDER BY x RANGE BETWEEN UNBOUNDED PRECEDING AND 2 FOLLOWING) +# FROM c; +#} {1 {RANGE must use only UNBOUNDED or CURRENT ROW}} + +do_catchsql_test 9.3 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count(DISTINCT x) OVER (ORDER BY x) FROM c; +} {1 {DISTINCT is not supported for window functions}} + +do_catchsql_test 9.4 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER (ORDER BY x RANGE UNBOUNDED FOLLOWING) FROM c; +} {1 {near "FOLLOWING": syntax error}} + +do_catchsql_test 9.5 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER (ORDER BY x RANGE BETWEEN UNBOUNDED FOLLOWING AND UNBOUNDED FOLLOWING) FROM c; +} {1 {near "FOLLOWING": syntax error}} + +do_catchsql_test 9.6 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER (ORDER BY x RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED PRECEDING) FROM c; +} {1 {near "PRECEDING": syntax error}} + +foreach {tn frame} { + 1 "BETWEEN CURRENT ROW AND 4 PRECEDING" + 2 "4 FOLLOWING" + 3 "BETWEEN 4 FOLLOWING AND CURRENT ROW" + 4 "BETWEEN 4 FOLLOWING AND 2 PRECEDING" +} { + do_catchsql_test 9.7.$tn " + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER ( + ORDER BY x ROWS $frame + ) FROM c; + " {1 {unsupported frame specification}} +} + +do_catchsql_test 9.8.1 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER ( + ORDER BY x ROWS BETWEEN a PRECEDING AND 2 FOLLOWING + ) FROM c; +} {1 {frame starting offset must be a non-negative integer}} +do_catchsql_test 9.8.2 { + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5) + SELECT count() OVER ( + ORDER BY x ROWS BETWEEN 2 PRECEDING AND a FOLLOWING + ) FROM c; +} {1 {frame ending offset must be a non-negative integer}} + +do_execsql_test 10.0 { + WITH t1(a,b) AS (VALUES(1,2)) + SELECT count() FILTER (where b<>5) OVER w1 + FROM t1 + WINDOW w1 AS (ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING); +} {1} + +foreach {tn stmt} { + 1 "SELECT nth_value(b, 0) OVER (ORDER BY a) FROM t1" + 2 "SELECT nth_value(b, -1) OVER (ORDER BY a) FROM t1" + 3 "SELECT nth_value(b, '4ab') OVER (ORDER BY a) FROM t1" + 4 "SELECT nth_value(b, NULL) OVER (ORDER BY a) FROM t1" + 5 "SELECT nth_value(b, 8.5) OVER (ORDER BY a) FROM t1" +} { + do_catchsql_test 10.1.$tn " + WITH t1(a,b) AS ( VALUES(1, 2), (2, 3), (3, 4) ) + $stmt + " {1 {second argument to nth_value must be a positive integer}} +} + +foreach {tn stmt res} { + 1 "SELECT nth_value(b, 1) OVER (ORDER BY a) FROM t1" {2 2 2} + 2 "SELECT nth_value(b, 2) OVER (ORDER BY a) FROM t1" {{} 3 3} + 3 "SELECT nth_value(b, '2') OVER (ORDER BY a) FROM t1" {{} 3 3} + 4 "SELECT nth_value(b, 2.0) OVER (ORDER BY a) FROM t1" {{} 3 3} + 5 "SELECT nth_value(b, '2.0') OVER (ORDER BY a) FROM t1" {{} 3 3} + 6 "SELECT nth_value(b, 10000000) OVER (ORDER BY a) FROM t1" {{} {} {}} +} { + do_execsql_test 10.2.$tn " + WITH t1(a,b) AS ( VALUES(1, 2), (2, 3), (3, 4) ) + $stmt + " $res +} + + +#------------------------------------------------------------------------- +# +reset_db +do_execsql_test 11.0 { + CREATE TABLE t1(a INT); + INSERT INTO t1 VALUES(10),(15),(20),(20),(25),(30),(30),(50); + CREATE TABLE t3(x INT, y VARCHAR); + INSERT INTO t3(x,y) VALUES(10,'ten'),('15','fifteen'),(30,'thirty'); +} + +do_execsql_test 11.1 { + SELECT a, (SELECT y FROM t3 WHERE x=a) FROM t1 ORDER BY a; +} { + 10 ten 15 fifteen 20 {} 20 {} 25 {} 30 thirty 30 thirty 50 {} +} + +do_execsql_test 11.2 { + SELECT a, (SELECT y FROM t3 WHERE x=a), sum(a) OVER (ORDER BY a) + FROM t1 ORDER BY a; +} { + 10 ten 10 15 fifteen 25 20 {} 65 20 {} 65 + 25 {} 90 30 thirty 150 30 thirty 150 50 {} 200 +} + +do_execsql_test 11.3.1 { + SELECT a, sum(a) OVER win FROM t1 + WINDOW win AS (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) +} { + 10 10 15 25 20 45 20 65 25 90 30 120 30 150 50 200 +} +do_execsql_test 11.3.2 { + SELECT a, sum(a) OVER win FROM t1 + WINDOW win AS (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 0 FOLLOWING) +} { + 10 10 15 25 20 45 20 65 25 90 30 120 30 150 50 200 +} +do_execsql_test 11.3.3 { + SELECT a, sum(a) OVER win FROM t1 + WINDOW win AS (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 0 PRECEDING) +} { + 10 10 15 25 20 45 20 65 25 90 30 120 30 150 50 200 +} + +do_execsql_test 11.4.1 { + SELECT y, group_concat(y, '.') OVER win FROM t3 + WINDOW win AS ( + ORDER BY y RANGE BETWEEN UNBOUNDED PRECEDING AND 10 PRECEDING + ); +} { + fifteen fifteen + ten fifteen.ten + thirty fifteen.ten.thirty +} + +finish_test |