238 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			238 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2012 August 23
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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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| # This file implements tests for processing aggregate queries with 
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| # subqueries in which the subqueries hold the aggregate functions
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| # or in which the subqueries are themselves aggregate queries
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| #
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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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| 
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| do_test aggnested-1.1 {
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|   db eval {
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|     CREATE TABLE t1(a1 INTEGER);
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|     INSERT INTO t1 VALUES(1), (2), (3);
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|     CREATE TABLE t2(b1 INTEGER);
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|     INSERT INTO t2 VALUES(4), (5);
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|     SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
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|   }
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| } {1x2x3}
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| do_test aggnested-1.2 {
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|   db eval {
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|     SELECT
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|      (SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
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|     FROM t1;
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|   }
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| } {1x2x3-4y5}
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| do_test aggnested-1.3 {
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|   db eval {
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|     SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
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|   }
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| } {415 425 435}
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| do_test aggnested-1.4 {
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|   db eval {
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|     SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
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|   }
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| } {151 252 353}
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| 
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| 
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| # This test case is a copy of the one in
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| # http://www.mail-archive.com/sqlite-users@sqlite.org/msg70787.html
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| #
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| do_test aggnested-2.0 {
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|   sqlite3 db2 :memory:
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|   db2 eval {
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|     CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT 
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|     NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
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|     REPLACE INTO t1 VALUES(1,11,111,1111);
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|     REPLACE INTO t1 VALUES(2,22,222,2222);
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|     REPLACE INTO t1 VALUES(3,33,333,3333);
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|     CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT 
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|     NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
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|     REPLACE INTO t2 VALUES(1,88,888,8888);
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|     REPLACE INTO t2 VALUES(2,99,999,9999);
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|     SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
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|             t1.* 
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|     FROM t1;
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|   }
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| } {A,B,B 3 33 333 3333}
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| db2 close
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| 
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| ##################### Test cases for ticket [bfbf38e5e9956ac69f] ############
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| #
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| # This first test case is the original problem report:
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| do_test aggnested-3.0 {
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|   db eval {
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|     CREATE TABLE AAA (
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|       aaa_id       INTEGER PRIMARY KEY AUTOINCREMENT
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|     );
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|     CREATE TABLE RRR (
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|       rrr_id      INTEGER     PRIMARY KEY AUTOINCREMENT,
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|       rrr_date    INTEGER     NOT NULL,
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|       rrr_aaa     INTEGER
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|     );
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|     CREATE TABLE TTT (
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|       ttt_id      INTEGER PRIMARY KEY AUTOINCREMENT,
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|       target_aaa  INTEGER NOT NULL,
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|       source_aaa  INTEGER NOT NULL
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|     );
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|     insert into AAA (aaa_id) values (2);
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|     insert into TTT (ttt_id, target_aaa, source_aaa)
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|     values (4469, 2, 2);
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|     insert into TTT (ttt_id, target_aaa, source_aaa)
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|     values (4476, 2, 1);
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|     insert into RRR (rrr_id, rrr_date, rrr_aaa)
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|     values (0, 0, NULL);
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|     insert into RRR (rrr_id, rrr_date, rrr_aaa)
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|     values (2, 4312, 2);
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|     SELECT i.aaa_id,
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|       (SELECT sum(CASE WHEN (t.source_aaa == i.aaa_id) THEN 1 ELSE 0 END)
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|          FROM TTT t
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|       ) AS segfault
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|     FROM
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|      (SELECT curr.rrr_aaa as aaa_id
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|         FROM RRR curr
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|           -- you also can comment out the next line
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|           -- it causes segfault to happen after one row is outputted
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|           INNER JOIN AAA a ON (curr.rrr_aaa = aaa_id)
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|           LEFT JOIN RRR r ON (r.rrr_id <> 0 AND r.rrr_date < curr.rrr_date)
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|        GROUP BY curr.rrr_id
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|       HAVING r.rrr_date IS NULL
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|     ) i;
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|   }
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| } {2 1}
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| 
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| # Further variants of the test case, as found in the ticket
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| #
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| do_test aggnested-3.1 {
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|   db eval {
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|     DROP TABLE IF EXISTS t1;
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|     DROP TABLE IF EXISTS t2;
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|     CREATE TABLE t1 (
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|       id1 INTEGER PRIMARY KEY AUTOINCREMENT,
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|       value1 INTEGER
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|     );
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|     INSERT INTO t1 VALUES(4469,2),(4476,1);
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|     CREATE TABLE t2 (
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|       id2 INTEGER PRIMARY KEY AUTOINCREMENT,
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|       value2 INTEGER
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|     );
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|     INSERT INTO t2 VALUES(0,1),(2,2);
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|     SELECT
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|      (SELECT sum(value2==xyz) FROM t2)
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|     FROM
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|      (SELECT curr.value1 as xyz
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|         FROM t1 AS curr LEFT JOIN t1 AS other
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|        GROUP BY curr.id1);
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|   }
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| } {1 1}
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| do_test aggnested-3.2 {
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|   db eval {
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|     DROP TABLE IF EXISTS t1;
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|     DROP TABLE IF EXISTS t2;
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|     CREATE TABLE t1 (
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|       id1 INTEGER,
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|       value1 INTEGER,
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|       x1 INTEGER
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|     );
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|     INSERT INTO t1 VALUES(4469,2,98),(4469,1,99),(4469,3,97);
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|     CREATE TABLE t2 (
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|       value2 INTEGER
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|     );
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|     INSERT INTO t2 VALUES(1);
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|     SELECT
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|      (SELECT sum(value2==xyz) FROM t2)
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|     FROM
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|      (SELECT value1 as xyz, max(x1) AS pqr
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|         FROM t1
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|        GROUP BY id1);
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|     SELECT
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|      (SELECT sum(value2<>xyz) FROM t2)
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|     FROM
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|      (SELECT value1 as xyz, max(x1) AS pqr
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|         FROM t1
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|        GROUP BY id1);
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|   }
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| } {1 0}
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| do_test aggnested-3.3 {
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|   db eval {
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|     DROP TABLE IF EXISTS t1;
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|     DROP TABLE IF EXISTS t2;
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|     CREATE TABLE t1(id1, value1);
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|     INSERT INTO t1 VALUES(4469,2),(4469,1);
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|     CREATE TABLE t2 (value2);
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|     INSERT INTO t2 VALUES(1);
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|     SELECT (SELECT sum(value2=value1) FROM t2), max(value1)
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|       FROM t1
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|      GROUP BY id1;
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|   }
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| } {0 2}
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| 
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| # A batch of queries all doing approximately the same operation involving
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| # two nested aggregate queries.
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| #
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| do_test aggnested-3.11 {
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|   db eval {
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|     DROP TABLE IF EXISTS t1;
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|     DROP TABLE IF EXISTS t2;
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|     CREATE TABLE t1(id1, value1);
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|     INSERT INTO t1 VALUES(4469,12),(4469,11),(4470,34);
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|     CREATE INDEX t1id1 ON t1(id1);
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|     CREATE TABLE t2 (value2);
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|     INSERT INTO t2 VALUES(12),(34),(34);
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|     INSERT INTO t2 SELECT value2 FROM t2;
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| 
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|     SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=max(value1))
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|       FROM t1
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|      GROUP BY id1;
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|   }
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| } {12 2 34 4}
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| do_test aggnested-3.12 {
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|   db eval {
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|     SELECT max(value1), (SELECT count(*) FROM t2 WHERE value2=value1)
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|       FROM t1
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|      GROUP BY id1;
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|   }
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| } {12 2 34 4}
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| do_test aggnested-3.13 {
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|   db eval {
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|     SELECT value1, (SELECT sum(value2=value1) FROM t2)
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|       FROM t1;
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|   }
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| } {12 2 11 0 34 4}
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| do_test aggnested-3.14 {
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|   db eval {
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|     SELECT value1, (SELECT sum(value2=value1) FROM t2)
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|       FROM t1
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|      WHERE value1 IN (SELECT max(value1) FROM t1 GROUP BY id1);
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|   }
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| } {12 2 34 4}
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| do_test aggnested-3.15 {
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|   # FIXME:  If case 3.16 works, then this case really ought to work too...
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|   catchsql {
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|     SELECT max(value1), (SELECT sum(value2=max(value1)) FROM t2)
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|       FROM t1
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|      GROUP BY id1;
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|   }
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| } {1 {misuse of aggregate function max()}}
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| do_test aggnested-3.16 {
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|   db eval {
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|     SELECT max(value1), (SELECT sum(value2=value1) FROM t2)
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|       FROM t1
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|      GROUP BY id1;
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|   }
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| } {12 2 34 4}
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|  
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| 
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| finish_test
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