sqlite/test/tkt3527.test
drh 555f8de7ef Fix a segfault associated with the column cache that occurs on nested VIEWs.
Ticket #3527. (CVS 5989)

FossilOrigin-Name: 490138a2012fcb4c859e1cf12a35e314ec1060d2
2008-12-08 13:42:36 +00:00

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# 2008 December 8
#
# 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.
#
# This file is a verification that the bugs identified in ticket
# #3527 have been fixed.
#
# $Id: tkt3527.test,v 1.1 2008/12/08 13:42:36 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test tkt3527-1.1 {
db eval {
CREATE TABLE Element (
Code INTEGER PRIMARY KEY,
Name VARCHAR(60)
);
CREATE TABLE ElemOr (
CodeOr INTEGER NOT NULL,
Code INTEGER NOT NULL,
PRIMARY KEY(CodeOr,Code)
);
CREATE TABLE ElemAnd (
CodeAnd INTEGER,
Code INTEGER,
Attr1 INTEGER,
Attr2 INTEGER,
Attr3 INTEGER,
PRIMARY KEY(CodeAnd,Code)
);
INSERT INTO Element VALUES(1,'Elem1');
INSERT INTO Element VALUES(2,'Elem2');
INSERT INTO Element VALUES(3,'Elem3');
INSERT INTO Element VALUES(4,'Elem4');
INSERT INTO Element VALUES(5,'Elem5');
INSERT INTO ElemOr Values(3,4);
INSERT INTO ElemOr Values(3,5);
INSERT INTO ElemAnd VALUES(1,3,1,1,1);
INSERT INTO ElemAnd VALUES(1,2,1,1,1);
CREATE VIEW ElemView1 AS
SELECT
CAST(Element.Code AS VARCHAR(50)) AS ElemId,
Element.Code AS ElemCode,
Element.Name AS ElemName,
ElemAnd.Code AS InnerCode,
ElemAnd.Attr1 AS Attr1,
ElemAnd.Attr2 AS Attr2,
ElemAnd.Attr3 AS Attr3,
0 AS Level,
0 AS IsOrElem
FROM Element JOIN ElemAnd ON ElemAnd.CodeAnd=Element.Code
WHERE ElemAnd.CodeAnd NOT IN (SELECT CodeOr FROM ElemOr)
UNION ALL
SELECT
CAST(ElemOr.CodeOr AS VARCHAR(50)) AS ElemId,
Element.Code AS ElemCode,
Element.Name AS ElemName,
ElemOr.Code AS InnerCode,
NULL AS Attr1,
NULL AS Attr2,
NULL AS Attr3,
0 AS Level,
1 AS IsOrElem
FROM ElemOr JOIN Element ON Element.Code=ElemOr.CodeOr
ORDER BY ElemId, InnerCode;
CREATE VIEW ElemView2 AS
SELECT
ElemId,
ElemCode,
ElemName,
InnerCode,
Attr1,
Attr2,
Attr3,
Level,
IsOrElem
FROM ElemView1
UNION ALL
SELECT
Element.ElemId || '.' || InnerElem.ElemId AS ElemId,
InnerElem.ElemCode,
InnerElem.ElemName,
InnerElem.InnerCode,
InnerElem.Attr1,
InnerElem.Attr2,
InnerElem.Attr3,
InnerElem.Level+1,
InnerElem.IsOrElem
FROM ElemView1 AS Element
JOIN ElemView1 AS InnerElem
ON Element.Level=0 AND Element.InnerCode=InnerElem.ElemCode
ORDER BY ElemId, InnerCode;
SELECT * FROM ElemView1;
}
} {1 1 Elem1 2 1 1 1 0 0 1 1 Elem1 3 1 1 1 0 0 3 3 Elem3 4 {} {} {} 0 1 3 3 Elem3 5 {} {} {} 0 1}
do_test tkt3527-1.2 {
db eval {
SELECT * FROM ElemView2;
}
} {1 1 Elem1 2 1 1 1 0 0 1 1 Elem1 3 1 1 1 0 0 1.3 3 Elem3 4 {} {} {} 1 1 1.3 3 Elem3 5 {} {} {} 1 1 3 3 Elem3 4 {} {} {} 0 1 3 3 Elem3 5 {} {} {} 0 1}
finish_test