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# 2014-02-25
#
# 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.
#
#***********************************************************************
#
# Test cases to show that ticket [8c63ff0eca81a9132d8d67b31cd6ae9712a2cc6f]
# "Incorrect query result on a UNION ALL" which was caused by using the same
# temporary register in concurrent co-routines, as been fixed.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix tkt-8c63ff0ec
do_execsql_test 1.1 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, d, e);
INSERT INTO t1 VALUES(1,20,30,40,50),(3,60,70,80,90);
CREATE TABLE t2(x INTEGER PRIMARY KEY);
INSERT INTO t2 VALUES(2);
CREATE TABLE t3(z);
INSERT INTO t3 VALUES(2),(2),(2),(2);
SELECT a, b+c FROM t1
UNION ALL
SELECT x, 5 FROM t2 JOIN t3 ON z=x WHERE x=2
ORDER BY a;
} {1 50 2 5 2 5 2 5 2 5 3 130}
do_execsql_test 1.2 {
SELECT a, b+c+d FROM t1
UNION ALL
SELECT x, 5 FROM t2 JOIN t3 ON z=x WHERE x=2
ORDER BY a;
} {1 90 2 5 2 5 2 5 2 5 3 210}
do_execsql_test 1.3 {
SELECT a, b+c+d+e FROM t1
UNION ALL
SELECT x, 5 FROM t2 JOIN t3 ON z=x WHERE x=2
ORDER BY a;
} {1 140 2 5 2 5 2 5 2 5 3 300}
finish_test
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