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In a 3-fold compound SELECT make sure early code generation of the SELECTs

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to the right do not dereference non-existant columns in SELECTs on the left. (CVS 6511)

FossilOrigin-Name: 414f340809c487901fa913026a342b19a2956c0a
This commit is contained in:
drh
2009-04-16 00:24:23 +00:00
parent 8dc09a0616
commit 10c081adf8
4 changed files with 25 additions and 12 deletions
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14
test/select4.test
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@ -12,7 +12,7 @@
# focus of this file is testing UNION, INTERSECT and EXCEPT operators
# in SELECT statements.
#
# $Id: select4.test,v 1.29 2008/08/04 03:51:24 danielk1977 Exp $
# $Id: select4.test,v 1.30 2009/04/16 00:24:24 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -374,6 +374,11 @@ do_test select4-5.3 {
}} msg]
lappend v $msg
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test select4-5.3-3807-1 {
catchsql {
SELECT 1 UNION SELECT 2, 3 UNION SELECT 4, 5 ORDER BY 1;
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-5.4 {
set v [catch {execsql {
SELECT log FROM t1 WHERE n=2
@ -791,6 +796,13 @@ do_test select4-11.15 {
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-12.1 {
sqlite3 db2 :memory:
catchsql {
SELECT 1 UNION SELECT 2,3 UNION SELECT 4,5 ORDER BY 1;
} db2
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
} ;# ifcapable compound
finish_test