| Index: third_party/sqlite/src/test/select5.test
|
| diff --git a/third_party/sqlite/src/test/select5.test b/third_party/sqlite/src/test/select5.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..3a787fc767aff05cbfcd47ae9b2b68fb72269373
|
| --- /dev/null
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| +++ b/third_party/sqlite/src/test/select5.test
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| @@ -0,0 +1,257 @@
|
| +# 2001 September 15
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| +#
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| +# 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.
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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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| +# This file implements regression tests for SQLite library. The
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| +# focus of this file is testing aggregate functions and the
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| +# GROUP BY and HAVING clauses of SELECT statements.
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| +#
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| +# $Id: select5.test,v 1.20 2008/08/21 14:15:59 drh Exp $
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| +
|
| +set testdir [file dirname $argv0]
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| +source $testdir/tester.tcl
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| +
|
| +# Build some test data
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| +#
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| +execsql {
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| + CREATE TABLE t1(x int, y int);
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| + BEGIN;
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| +}
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| +for {set i 1} {$i<32} {incr i} {
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| + for {set j 0} {(1<<$j)<$i} {incr j} {}
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| + execsql "INSERT INTO t1 VALUES([expr {32-$i}],[expr {10-$j}])"
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| +}
|
| +execsql {
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| + COMMIT
|
| +}
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| +
|
| +do_test select5-1.0 {
|
| + execsql {SELECT DISTINCT y FROM t1 ORDER BY y}
|
| +} {5 6 7 8 9 10}
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| +
|
| +# Sort by an aggregate function.
|
| +#
|
| +do_test select5-1.1 {
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| + execsql {SELECT y, count(*) FROM t1 GROUP BY y ORDER BY y}
|
| +} {5 15 6 8 7 4 8 2 9 1 10 1}
|
| +do_test select5-1.2 {
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| + execsql {SELECT y, count(*) FROM t1 GROUP BY y ORDER BY count(*), y}
|
| +} {9 1 10 1 8 2 7 4 6 8 5 15}
|
| +do_test select5-1.3 {
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| + execsql {SELECT count(*), y FROM t1 GROUP BY y ORDER BY count(*), y}
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| +} {1 9 1 10 2 8 4 7 8 6 15 5}
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| +
|
| +# Some error messages associated with aggregates and GROUP BY
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| +#
|
| +do_test select5-2.1.1 {
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| + catchsql {
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| + SELECT y, count(*) FROM t1 GROUP BY z ORDER BY y
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| + }
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| +} {1 {no such column: z}}
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| +do_test select5-2.1.2 {
|
| + catchsql {
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| + SELECT y, count(*) FROM t1 GROUP BY temp.t1.y ORDER BY y
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| + }
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| +} {1 {no such column: temp.t1.y}}
|
| +do_test select5-2.2 {
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| + set v [catch {execsql {
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| + SELECT y, count(*) FROM t1 GROUP BY z(y) ORDER BY y
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| + }} msg]
|
| + lappend v $msg
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| +} {1 {no such function: z}}
|
| +do_test select5-2.3 {
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| + set v [catch {execsql {
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| + SELECT y, count(*) FROM t1 GROUP BY y HAVING count(*)<3 ORDER BY y
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| + }} msg]
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| + lappend v $msg
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| +} {0 {8 2 9 1 10 1}}
|
| +do_test select5-2.4 {
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| + set v [catch {execsql {
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| + SELECT y, count(*) FROM t1 GROUP BY y HAVING z(y)<3 ORDER BY y
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| + }} msg]
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| + lappend v $msg
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| +} {1 {no such function: z}}
|
| +do_test select5-2.5 {
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| + set v [catch {execsql {
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| + SELECT y, count(*) FROM t1 GROUP BY y HAVING count(*)<z ORDER BY y
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| + }} msg]
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| + lappend v $msg
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| +} {1 {no such column: z}}
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| +
|
| +# Get the Agg function to rehash in vdbe.c
|
| +#
|
| +do_test select5-3.1 {
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| + execsql {
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| + SELECT x, count(*), avg(y) FROM t1 GROUP BY x HAVING x<4 ORDER BY x
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| + }
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| +} {1 1 5.0 2 1 5.0 3 1 5.0}
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| +
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| +# Run various aggregate functions when the count is zero.
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| +#
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| +do_test select5-4.1 {
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| + execsql {
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| + SELECT avg(x) FROM t1 WHERE x>100
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| + }
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| +} {{}}
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| +do_test select5-4.2 {
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| + execsql {
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| + SELECT count(x) FROM t1 WHERE x>100
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| + }
|
| +} {0}
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| +do_test select5-4.3 {
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| + execsql {
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| + SELECT min(x) FROM t1 WHERE x>100
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| + }
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| +} {{}}
|
| +do_test select5-4.4 {
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| + execsql {
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| + SELECT max(x) FROM t1 WHERE x>100
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| + }
|
| +} {{}}
|
| +do_test select5-4.5 {
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| + execsql {
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| + SELECT sum(x) FROM t1 WHERE x>100
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| + }
|
| +} {{}}
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| +
|
| +# Some tests for queries with a GROUP BY clause but no aggregate functions.
|
| +#
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| +# Note: The query in test cases 5.1 through 5.5 are not legal SQL. So if the
|
| +# implementation changes in the future and it returns different results,
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| +# this is not such a big deal.
|
| +#
|
| +do_test select5-5.1 {
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| + execsql {
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| + CREATE TABLE t2(a, b, c);
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| + INSERT INTO t2 VALUES(1, 2, 3);
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| + INSERT INTO t2 VALUES(1, 4, 5);
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| + INSERT INTO t2 VALUES(6, 4, 7);
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| + CREATE INDEX t2_idx ON t2(a);
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| + }
|
| +} {}
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| +do_test select5-5.2 {
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| + execsql {
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| + SELECT a FROM t2 GROUP BY a;
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| + }
|
| +} {1 6}
|
| +do_test select5-5.3 {
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| + execsql {
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| + SELECT a FROM t2 WHERE a>2 GROUP BY a;
|
| + }
|
| +} {6}
|
| +do_test select5-5.4 {
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| + execsql {
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| + SELECT a, b FROM t2 GROUP BY a, b;
|
| + }
|
| +} {1 2 1 4 6 4}
|
| +do_test select5-5.5 {
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| + execsql {
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| + SELECT a, b FROM t2 GROUP BY a;
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| + }
|
| +} {1 4 6 4}
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| +
|
| +# Test rendering of columns for the GROUP BY clause.
|
| +#
|
| +do_test select5-5.11 {
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| + execsql {
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| + SELECT max(c), b*a, b, a FROM t2 GROUP BY b*a, b, a
|
| + }
|
| +} {3 2 2 1 5 4 4 1 7 24 4 6}
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| +
|
| +# NULL compare equal to each other for the purposes of processing
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| +# the GROUP BY clause.
|
| +#
|
| +do_test select5-6.1 {
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| + execsql {
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| + CREATE TABLE t3(x,y);
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| + INSERT INTO t3 VALUES(1,NULL);
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| + INSERT INTO t3 VALUES(2,NULL);
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| + INSERT INTO t3 VALUES(3,4);
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| + SELECT count(x), y FROM t3 GROUP BY y ORDER BY 1
|
| + }
|
| +} {1 4 2 {}}
|
| +do_test select5-6.2 {
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| + execsql {
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| + CREATE TABLE t4(x,y,z);
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| + INSERT INTO t4 VALUES(1,2,NULL);
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| + INSERT INTO t4 VALUES(2,3,NULL);
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| + INSERT INTO t4 VALUES(3,NULL,5);
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| + INSERT INTO t4 VALUES(4,NULL,6);
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| + INSERT INTO t4 VALUES(4,NULL,6);
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| + INSERT INTO t4 VALUES(5,NULL,NULL);
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| + INSERT INTO t4 VALUES(5,NULL,NULL);
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| + INSERT INTO t4 VALUES(6,7,8);
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| + SELECT max(x), count(x), y, z FROM t4 GROUP BY y, z ORDER BY 1
|
| + }
|
| +} {1 1 2 {} 2 1 3 {} 3 1 {} 5 4 2 {} 6 5 2 {} {} 6 1 7 8}
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| +
|
| +do_test select5-7.2 {
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| + execsql {
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| + SELECT count(*), count(x) as cnt FROM t4 GROUP BY y ORDER BY cnt;
|
| + }
|
| +} {1 1 1 1 1 1 5 5}
|
| +
|
| +# See ticket #3324.
|
| +#
|
| +do_test select5-8.1 {
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| + execsql {
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| + CREATE TABLE t8a(a,b);
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| + CREATE TABLE t8b(x);
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| + INSERT INTO t8a VALUES('one', 1);
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| + INSERT INTO t8a VALUES('one', 2);
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| + INSERT INTO t8a VALUES('two', 3);
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| + INSERT INTO t8a VALUES('one', NULL);
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| + INSERT INTO t8b(rowid,x) VALUES(1,111);
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| + INSERT INTO t8b(rowid,x) VALUES(2,222);
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| + INSERT INTO t8b(rowid,x) VALUES(3,333);
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| + SELECT a, count(b) FROM t8a, t8b WHERE b=t8b.rowid GROUP BY a ORDER BY a;
|
| + }
|
| +} {one 2 two 1}
|
| +do_test select5-8.2 {
|
| + execsql {
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| + SELECT a, count(b) FROM t8a, t8b WHERE b=+t8b.rowid GROUP BY a ORDER BY a;
|
| + }
|
| +} {one 2 two 1}
|
| +do_test select5-8.3 {
|
| + execsql {
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| + SELECT t8a.a, count(t8a.b) FROM t8a, t8b WHERE t8a.b=t8b.rowid
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| + GROUP BY 1 ORDER BY 1;
|
| + }
|
| +} {one 2 two 1}
|
| +do_test select5-8.4 {
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| + execsql {
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| + SELECT a, count(*) FROM t8a, t8b WHERE b=+t8b.rowid GROUP BY a ORDER BY a;
|
| + }
|
| +} {one 2 two 1}
|
| +do_test select5-8.5 {
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| + execsql {
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| + SELECT a, count(b) FROM t8a, t8b WHERE b<x GROUP BY a ORDER BY a;
|
| + }
|
| +} {one 6 two 3}
|
| +do_test select5-8.6 {
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| + execsql {
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| + SELECT a, count(t8a.b) FROM t8a, t8b WHERE b=t8b.rowid
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| + GROUP BY a ORDER BY 2;
|
| + }
|
| +} {two 1 one 2}
|
| +do_test select5-8.7 {
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| + execsql {
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| + SELECT a, count(b) FROM t8a, t8b GROUP BY a ORDER BY 2;
|
| + }
|
| +} {two 3 one 6}
|
| +do_test select5-8.8 {
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| + execsql {
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| + SELECT a, count(*) FROM t8a, t8b GROUP BY a ORDER BY 2;
|
| + }
|
| +} {two 3 one 9}
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| +
|
| +
|
| +
|
| +
|
| +finish_test
|
|
|