# 2008 June 24
#
# 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. 
#
# The focus of this file is testing the compound-SELECT merge
# optimization.  Or, in other words, making sure that all
# possible combinations of UNION, UNION ALL, EXCEPT, and
# INTERSECT work together with an ORDER BY clause (with or w/o
# explicit sort order and explicit collating secquites) and
# with and without optional LIMIT and OFFSET clauses.
#
# $Id: selectA.test,v 1.6 2008/08/21 14:24:29 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix selectA

ifcapable !compound {
  finish_test
  return
}

do_test selectA-1.0 {
  execsql {
    CREATE TABLE t1(a,b,c COLLATE NOCASE);
    INSERT INTO t1 VALUES(1,'a','a');
    INSERT INTO t1 VALUES(9.9, 'b', 'B');
    INSERT INTO t1 VALUES(NULL, 'C', 'c');
    INSERT INTO t1 VALUES('hello', 'd', 'D');
    INSERT INTO t1 VALUES(x'616263', 'e', 'e');
    SELECT * FROM t1;
  }
} {1 a a 9.9 b B {} C c hello d D abc e e}
do_test selectA-1.1 {
  execsql {
    CREATE TABLE t2(x,y,z COLLATE NOCASE);
    INSERT INTO t2 VALUES(NULL,'U','u');
    INSERT INTO t2 VALUES('mad', 'Z', 'z');
    INSERT INTO t2 VALUES(x'68617265', 'm', 'M');
    INSERT INTO t2 VALUES(5.2e6, 'X', 'x');
    INSERT INTO t2 VALUES(-23, 'Y', 'y');
    SELECT * FROM t2;
  }
} {{} U u mad Z z hare m M 5200000.0 X x -23 Y y}
do_test selectA-1.2 {
  execsql {
    CREATE TABLE t3(a,b,c COLLATE NOCASE);
    INSERT INTO t3 SELECT * FROM t1;
    INSERT INTO t3 SELECT * FROM t2;
    INSERT INTO t3 SELECT * FROM t1;
    INSERT INTO t3 SELECT * FROM t2;
    INSERT INTO t3 SELECT * FROM t1;
    INSERT INTO t3 SELECT * FROM t2;
    SELECT count(*) FROM t3;
  }
} {30}

do_test selectA-2.1 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.1.1 {   # Ticket #3314
  execsql {
    SELECT t1.a, t1.b, t1.c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.1.2 {   # Ticket #3314
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY t1.a, t1.b, t1.c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.2 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.3 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.4 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.5 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.6 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.7 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.8 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.9 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.10 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.11 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.12 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.13 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.14 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.15 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.16 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.17 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.18 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.19 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.20 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.21 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.22 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.23 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.24 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.25 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.26 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.27 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.28 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.29 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.30 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.31 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.32 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.33 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.34 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.35 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY y COLLATE NOCASE,x,z
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.36 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.37 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.38 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.39 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.40 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY z COLLATE BINARY DESC,x,y
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.41 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-2.42 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-2.43 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-2.44 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-2.45 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-2.46 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-2.47 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-2.48 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-2.49 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-2.50 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-2.51 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-2.52 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-2.53 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY b, a DESC
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-2.54 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY b
  }
} {hello d D abc e e}
do_test selectA-2.55 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY b DESC, c
  }
} {abc e e hello d D}
do_test selectA-2.56 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY b, c DESC, a
  }
} {hello d D abc e e}
do_test selectA-2.57 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY b COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.58 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY b
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-2.59 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY c, a DESC
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.60 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY c
  }
} {hello d D abc e e}
do_test selectA-2.61 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY c COLLATE BINARY, b DESC, c, a, b, c, a, b, c
  }
} {hello d D abc e e}
do_test selectA-2.62 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-2.63 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.64 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.65 {
  execsql {
    SELECT a,b,c FROM t3 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.66 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.67 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t3 WHERE b<'d'
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-2.68 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-2.69 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.70 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.71 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t1
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    INTERSECT SELECT a,b,c FROM t1
    EXCEPT SELECT x,y,z FROM t2
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT y,x,z FROM t2
    INTERSECT SELECT a,b,c FROM t1
    EXCEPT SELECT c,b,a FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-2.72 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.73 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.74 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.75 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.76 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.77 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.78 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.79 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.80 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.81 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.82 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.83 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-2.84 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-2.85 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-2.86 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE,x,z
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.87 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.88 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.89 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-2.90 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.91 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY z COLLATE BINARY DESC,x,y
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-2.92 {
  execsql {
    SELECT x,y,z FROM t2
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT c,b,a FROM t1
    UNION SELECT a,b,c FROM t3
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT c,b,a FROM t1
    UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-2.93 {
  execsql {
    SELECT upper((SELECT c FROM t1 UNION SELECT z FROM t2 ORDER BY 1));
  }
} {A}
do_test selectA-2.94 {
  execsql {
    SELECT lower((SELECT c FROM t1 UNION ALL SELECT z FROM t2 ORDER BY 1));
  }
} {a}
do_test selectA-2.95 {
  execsql {
    SELECT lower((SELECT c FROM t1 INTERSECT SELECT z FROM t2 ORDER BY 1));
  }
} {{}}
do_test selectA-2.96 {
  execsql {
    SELECT lower((SELECT z FROM t2 EXCEPT SELECT c FROM t1 ORDER BY 1));
  }
} {m}


do_test selectA-3.0 {
  execsql {
    CREATE UNIQUE INDEX t1a ON t1(a);
    CREATE UNIQUE INDEX t1b ON t1(b);
    CREATE UNIQUE INDEX t1c ON t1(c);
    CREATE UNIQUE INDEX t2x ON t2(x);
    CREATE UNIQUE INDEX t2y ON t2(y);
    CREATE UNIQUE INDEX t2z ON t2(z);
    SELECT name FROM sqlite_master WHERE type='index'
  }
} {t1a t1b t1c t2x t2y t2z}
do_test selectA-3.1 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.1.1 {  # Ticket #3314
  execsql {
    SELECT t1.a,b,t1.c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,t1.b,t1.c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.2 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.3 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.4 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.5 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.6 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.7 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.8 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.9 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.10 {
  execsql {
    SELECT a,b,c FROM t1 UNION ALL SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.11 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.12 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.13 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.14 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.15 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.16 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.17 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.18 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.19 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.20 {
  execsql {
    SELECT x,y,z FROM t2 UNION ALL SELECT a,b,c FROM t1
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.21 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.22 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.23 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.24 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.25 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.26 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.27 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.28 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.29 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.30 {
  execsql {
    SELECT a,b,c FROM t1 UNION SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.31 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.32 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.33 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.34 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.35 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY y COLLATE NOCASE,x,z
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.36 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.37 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.38 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.39 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.40 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t1
    ORDER BY z COLLATE BINARY DESC,x,y
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.41 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-3.42 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-3.43 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-3.44 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a,b,c
  }
} {hello d D abc e e}
do_test selectA-3.45 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-3.46 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a,b,c
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-3.47 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-3.48 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-3.49 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-3.50 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a DESC
  }
} {abc e e hello d D}
do_test selectA-3.51 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-3.52 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY a DESC
  }
} {9.9 b B 1 a a {} C c}
do_test selectA-3.53 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY b, a DESC
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-3.54 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY b
  }
} {hello d D abc e e}
do_test selectA-3.55 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY b DESC, c
  }
} {abc e e hello d D}
do_test selectA-3.56 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY b, c DESC, a
  }
} {hello d D abc e e}
do_test selectA-3.57 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY b COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.58 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY b
  }
} {{} C c 1 a a 9.9 b B}
do_test selectA-3.59 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY c, a DESC
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.60 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b>='d'
    ORDER BY c
  }
} {hello d D abc e e}
do_test selectA-3.61 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b>='d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY c COLLATE BINARY, b DESC, c, a, b, c, a, b, c
  }
} {hello d D abc e e}
do_test selectA-3.62 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-3.63 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.64 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.65 {
  execsql {
    SELECT a,b,c FROM t3 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.66 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.67 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t3 WHERE b<'d'
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-3.68 {
  execsql {
    SELECT a,b,c FROM t1 EXCEPT SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c DESC, a
  }
} {abc e e hello d D}
do_test selectA-3.69 {
  execsql {
    SELECT a,b,c FROM t1 INTERSECT SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c COLLATE NOCASE
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.70 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d' INTERSECT SELECT a,b,c FROM t1
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.71 {
  execsql {
    SELECT a,b,c FROM t1 WHERE b<'d'
    INTERSECT SELECT a,b,c FROM t1
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT b,c,a FROM t3
    INTERSECT SELECT a,b,c FROM t1
    EXCEPT SELECT x,y,z FROM t2
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT y,x,z FROM t2
    INTERSECT SELECT a,b,c FROM t1
    EXCEPT SELECT c,b,a FROM t3
    ORDER BY c
  }
} {1 a a 9.9 b B {} C c}
do_test selectA-3.72 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.73 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.74 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.75 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.76 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE,a,c
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.77 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY b COLLATE NOCASE DESC,a,c
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.78 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.79 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.80 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.81 {
  execsql {
    SELECT a,b,c FROM t3 UNION SELECT x,y,z FROM t2
    ORDER BY c COLLATE BINARY DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.82 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a,b,c
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.83 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a DESC,b,c
  }
} {hare m M abc e e mad Z z hello d D 5200000.0 X x 9.9 b B 1 a a -23 Y y {} C c {} U u}
do_test selectA-3.84 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY a,c,b
  }
} {{} C c {} U u -23 Y y 1 a a 9.9 b B 5200000.0 X x hello d D mad Z z abc e e hare m M}
do_test selectA-3.85 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY b,a,c
  }
} {{} C c {} U u 5200000.0 X x -23 Y y mad Z z 1 a a 9.9 b B hello d D abc e e hare m M}
do_test selectA-3.86 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE,x,z
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.87 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.88 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c,b,a
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.89 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c,a,b
  }
} {1 a a 9.9 b B {} C c hello d D abc e e hare m M {} U u 5200000.0 X x -23 Y y mad Z z}
do_test selectA-3.90 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY c DESC,a,b
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.91 {
  execsql {
    SELECT x,y,z FROM t2 UNION SELECT a,b,c FROM t3
    ORDER BY z COLLATE BINARY DESC,x,y
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u abc e e {} C c 1 a a hare m M hello d D 9.9 b B}
do_test selectA-3.92 {
  execsql {
    SELECT x,y,z FROM t2
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT c,b,a FROM t1
    UNION SELECT a,b,c FROM t3
    INTERSECT SELECT a,b,c FROM t3
    EXCEPT SELECT c,b,a FROM t1
    UNION SELECT a,b,c FROM t3
    ORDER BY y COLLATE NOCASE DESC,x,z
  }
} {mad Z z -23 Y y 5200000.0 X x {} U u hare m M abc e e hello d D {} C c 9.9 b B 1 a a}
do_test selectA-3.93 {
  execsql {
    SELECT upper((SELECT c FROM t1 UNION SELECT z FROM t2 ORDER BY 1));
  }
} {A}
do_test selectA-3.94 {
  execsql {
    SELECT lower((SELECT c FROM t1 UNION ALL SELECT z FROM t2 ORDER BY 1));
  }
} {a}
do_test selectA-3.95 {
  execsql {
    SELECT lower((SELECT c FROM t1 INTERSECT SELECT z FROM t2 ORDER BY 1));
  }
} {{}}
do_test selectA-3.96 {
  execsql {
    SELECT lower((SELECT z FROM t2 EXCEPT SELECT c FROM t1 ORDER BY 1));
  }
} {m}
do_test selectA-3.97 {
  execsql {
    SELECT upper((SELECT x FROM (
      SELECT x,y,z FROM t2
      INTERSECT SELECT a,b,c FROM t3
      EXCEPT SELECT c,b,a FROM t1
      UNION SELECT a,b,c FROM t3
      INTERSECT SELECT a,b,c FROM t3
      EXCEPT SELECT c,b,a FROM t1
      UNION SELECT a,b,c FROM t3
      ORDER BY y COLLATE NOCASE DESC,x,z)))
  }
} {MAD}
do_execsql_test selectA-3.98 {
  WITH RECURSIVE
    xyz(n) AS (
      SELECT upper((SELECT x FROM (
        SELECT x,y,z FROM t2
        INTERSECT SELECT a,b,c FROM t3
        EXCEPT SELECT c,b,a FROM t1
        UNION SELECT a,b,c FROM t3
        INTERSECT SELECT a,b,c FROM t3
        EXCEPT SELECT c,b,a FROM t1
        UNION SELECT a,b,c FROM t3
        ORDER BY y COLLATE NOCASE DESC,x,z)))
      UNION ALL
      SELECT n || '+' FROM xyz WHERE length(n)<5
    )
  SELECT n FROM xyz ORDER BY +n;
} {MAD MAD+ MAD++}

#-------------------------------------------------------------------------
# At one point the following code exposed a temp register reuse problem.
#
proc f {args} { return 1 }
db func f f

do_execsql_test 4.1.1 {
  CREATE TABLE t4(a, b);
  CREATE TABLE t5(c, d);

  INSERT INTO t5 VALUES(1, 'x');
  INSERT INTO t5 VALUES(2, 'x');
  INSERT INTO t4 VALUES(3, 'x');
  INSERT INTO t4 VALUES(4, 'x');

  CREATE INDEX i1 ON t4(a);
  CREATE INDEX i2 ON t5(c);
}

do_eqp_test 4.1.2 {
  SELECT c, d FROM t5 
  UNION ALL
  SELECT a, b FROM t4 WHERE f()==f()
  ORDER BY 1,2
} {
  QUERY PLAN
  `--MERGE (UNION ALL)
     |--LEFT
     |  |--SCAN t5 USING INDEX i2
     |  `--USE TEMP B-TREE FOR RIGHT PART OF ORDER BY
     `--RIGHT
        |--SCAN t4 USING INDEX i1
        `--USE TEMP B-TREE FOR RIGHT PART OF ORDER BY
}

do_execsql_test 4.1.3 {
  SELECT c, d FROM t5 
  UNION ALL
  SELECT a, b FROM t4 WHERE f()==f()
  ORDER BY 1,2
} {
  1 x 2 x 3 x 4 x
}

do_execsql_test 4.2.1 {
  CREATE TABLE t6(a, b);
  CREATE TABLE t7(c, d);

  INSERT INTO t7 VALUES(2, 9);
  INSERT INTO t6 VALUES(3, 0);
  INSERT INTO t6 VALUES(4, 1);
  INSERT INTO t7 VALUES(5, 6);
  INSERT INTO t6 VALUES(6, 0);
  INSERT INTO t7 VALUES(7, 6);

  CREATE INDEX i6 ON t6(a);
  CREATE INDEX i7 ON t7(c);
}

do_execsql_test 4.2.2 {
  SELECT c, f(d,c,d,c,d) FROM t7
  UNION ALL
  SELECT a, b FROM t6 
  ORDER BY 1,2
} {/2 . 3 . 4 . 5 . 6 . 7 ./}


proc strip_rnd {explain} {
  regexp -all {sqlite_sq_[0123456789ABCDEF]*} $explain sqlite_sq
}

proc do_same_test {tn q1 args} {
  set r2 [strip_rnd [db eval "EXPLAIN $q1"]]
  set i 1
  foreach q $args {
    set tst [subst -nocommands {strip_rnd [db eval "EXPLAIN $q"]}]
    uplevel do_test $tn.$i [list $tst] [list $r2]
    incr i
  }
}

do_execsql_test 5.0 {
  CREATE TABLE t8(a, b);
  CREATE TABLE t9(c, d);
} {}

do_same_test 5.1 {
  SELECT a, b FROM t8 INTERSECT SELECT c, d FROM t9 ORDER BY a;
} {
  SELECT a, b FROM t8 INTERSECT SELECT c, d FROM t9 ORDER BY t8.a;
} {
  SELECT a, b FROM t8 INTERSECT SELECT c, d FROM t9 ORDER BY 1;
} {
  SELECT a, b FROM t8 INTERSECT SELECT c, d FROM t9 ORDER BY c;
} {
  SELECT a, b FROM t8 INTERSECT SELECT c, d FROM t9 ORDER BY t9.c;
}

do_same_test 5.2 {
  SELECT a, b FROM t8 UNION SELECT c, d FROM t9 ORDER BY a COLLATE NOCASE
} {
  SELECT a, b FROM t8 UNION SELECT c, d FROM t9 ORDER BY t8.a COLLATE NOCASE
} {
  SELECT a, b FROM t8 UNION SELECT c, d FROM t9 ORDER BY 1 COLLATE NOCASE
} {
  SELECT a, b FROM t8 UNION SELECT c, d FROM t9 ORDER BY c COLLATE NOCASE
} {
  SELECT a, b FROM t8 UNION SELECT c, d FROM t9 ORDER BY t9.c COLLATE NOCASE
}

do_same_test 5.3 {
  SELECT a, b FROM t8 EXCEPT SELECT c, d FROM t9 ORDER BY b, c COLLATE NOCASE
} {
  SELECT a, b FROM t8 EXCEPT SELECT c, d FROM t9 ORDER BY 2, 1 COLLATE NOCASE
} {
  SELECT a, b FROM t8 EXCEPT SELECT c, d FROM t9 ORDER BY d, a COLLATE NOCASE
} {
  SELECT a, b FROM t8 EXCEPT SELECT * FROM t9 ORDER BY t9.d, c COLLATE NOCASE
} {
  SELECT * FROM t8 EXCEPT SELECT c, d FROM t9 ORDER BY d, t8.a COLLATE NOCASE
}

do_catchsql_test 5.4 {
  SELECT * FROM t8 UNION SELECT * FROM t9 ORDER BY a+b COLLATE NOCASE
} {1 {1st ORDER BY term does not match any column in the result set}}

do_execsql_test 6.1 {
  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1(a INTEGER);
  CREATE TABLE t2(b TEXT);
  INSERT INTO t2(b) VALUES('12345');
  SELECT * FROM (SELECT a FROM t1 UNION SELECT b FROM t2) WHERE a=a;
} {12345}

# 2020-06-15 ticket 8f157e8010b22af0
#
reset_db
do_execsql_test 7.1 {
  CREATE TABLE t1(c1);     INSERT INTO t1 VALUES(12),(123),(1234),(NULL),('abc');
  CREATE TABLE t2(c2);     INSERT INTO t2 VALUES(44),(55),(123);
  CREATE TABLE t3(c3,c4);  INSERT INTO t3 VALUES(66,1),(123,2),(77,3);
  CREATE VIEW t4 AS SELECT c3 FROM t3;
  CREATE VIEW t5 AS SELECT c3 FROM t3 ORDER BY c4;
}
do_execsql_test 7.2 {
  SELECT * FROM t1, t2 WHERE c1=(SELECT 123 INTERSECT SELECT c2 FROM t4) AND c1=123;
} {123 123}
do_execsql_test 7.3 {
  SELECT * FROM t1, t2 WHERE c1=(SELECT 123 INTERSECT SELECT c2 FROM t5) AND c1=123;
} {123 123}
do_execsql_test 7.4 {
  CREATE TABLE a(b);
  CREATE VIEW c(d) AS SELECT b FROM a ORDER BY b;
  SELECT sum(d) OVER( PARTITION BY(SELECT 0 FROM c JOIN a WHERE b =(SELECT b INTERSECT SELECT d FROM c) AND b = 123)) FROM c;
} {}

#-------------------------------------------------------------------------
reset_db
do_execsql_test 8.0 {
  CREATE TABLE x1(x);
  CREATE TABLE t1(a, b, c, d);
  CREATE INDEX t1a ON t1(a);
  CREATE INDEX t1b ON t1(b);
}

do_execsql_test 8.1 {
      SELECT 'ABCD' FROM t1 
      WHERE (a=? OR b=?) 
      AND (0 OR (SELECT 'xyz' INTERSECT SELECT a ORDER BY 1))
} {}

#-------------------------------------------------------------------------
# dbsqlfuzz a34f455c91ad75a0cf8cd9476841903f42930a7a
#
reset_db
do_execsql_test 9.0 {
  CREATE TABLE t1(a COLLATE nocase);
  CREATE TABLE t2(b COLLATE nocase);

  INSERT INTO t1 VALUES('ABC');
  INSERT INTO t2 VALUES('abc');
}

do_execsql_test 9.1 {
  SELECT a FROM t1 INTERSECT SELECT b FROM t2;
} {ABC}

do_execsql_test 9.2 {
  SELECT * FROM (
      SELECT a FROM t1 INTERSECT SELECT b FROM t2
  ) WHERE a||'' = 'ABC';
} {ABC}



finish_test
