xref: /sqlite-3.40.0/test/aggnested.test (revision ed551b95) 
1# 2012 August 23
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11# This file implements regression tests for SQLite library.
12#
13# This file implements tests for processing aggregate queries with
14# subqueries in which the subqueries hold the aggregate functions
15# or in which the subqueries are themselves aggregate queries
16#
17
18set testdir [file dirname $argv0]
19source $testdir/tester.tcl
20
21do_test aggnested-1.1 {
22  db eval {
23    CREATE TABLE t1(a1 INTEGER);
24    INSERT INTO t1 VALUES(1), (2), (3);
25    CREATE TABLE t2(b1 INTEGER);
26    INSERT INTO t2 VALUES(4), (5);
27    SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
28  }
29} {1x2x3}
30do_test aggnested-1.2 {
31  db eval {
32    SELECT
33     (SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
34    FROM t1;
35  }
36} {1x2x3-4y5}
37do_test aggnested-1.3 {
38  db eval {
39    SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
40  }
41} {415 425 435}
42do_test aggnested-1.4 {
43  db eval {
44    SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
45  }
46} {151 252 353}
47
48
49# This test case is a copy of the one in
50# http://www.mail-archive.com/[email protected]/msg70787.html
51#
52do_test aggnested-2.0 {
53  sqlite3 db2 :memory:
54  db2 eval {
55    CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT
56    NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
57    REPLACE INTO t1 VALUES(1,11,111,1111);
58    REPLACE INTO t1 VALUES(2,22,222,2222);
59    REPLACE INTO t1 VALUES(3,33,333,3333);
60    CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT
61    NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
62    REPLACE INTO t2 VALUES(1,88,888,8888);
63    REPLACE INTO t2 VALUES(2,99,999,9999);
64    SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
65            t1.*
66    FROM t1;
67  }
68} {A,B,B 3 33 333 3333}
69db2 close
70
71finish_test
72