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