mirror of https://github.com/sqlite/sqlite
76 lines
1.8 KiB
Plaintext
76 lines
1.8 KiB
Plaintext
|
# 2007 January 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 corner cases of the INSERT statement.
|
||
|
#
|
||
|
# $Id: insert4.test,v 1.1 2007/02/24 13:23:53 drh Exp $
|
||
|
|
||
|
set testdir [file dirname $argv0]
|
||
|
source $testdir/tester.tcl
|
||
|
|
||
|
# Ticket #2252. Make sure the an INSERT from identical tables
|
||
|
# does not violate constraints.
|
||
|
#
|
||
|
do_test insert4-1.1 {
|
||
|
execsql {
|
||
|
CREATE TABLE t1(a int, b int, check(b>a));
|
||
|
CREATE TABLE t2(x int, y int);
|
||
|
INSERT INTO t2 VALUES(9,1);
|
||
|
}
|
||
|
catchsql {
|
||
|
INSERT INTO t1 SELECT * FROM t2;
|
||
|
}
|
||
|
} {1 {constraint failed}}
|
||
|
do_test insert4-1.2 {
|
||
|
execsql {
|
||
|
SELECT * FROM t1;
|
||
|
}
|
||
|
} {}
|
||
|
|
||
|
# Other coverage tests for the INSERT transfer optimization.
|
||
|
#
|
||
|
do_test insert4-2.1 {
|
||
|
execsql {
|
||
|
INSERT INTO t1 SELECT 4, 8;
|
||
|
SELECT * FROM t1;
|
||
|
}
|
||
|
} {4 8}
|
||
|
do_test insert4-2.2.1 {
|
||
|
execsql {
|
||
|
CREATE TABLE t3(a int, b int);
|
||
|
INSERT INTO t2 SELECT y, x FROM t2;
|
||
|
INSERT INTO t3 SELECT * FROM t2 LIMIT 1;
|
||
|
SELECT * FROM t3;
|
||
|
}
|
||
|
} {9 1}
|
||
|
do_test insert4-2.2.2 {
|
||
|
catchsql {
|
||
|
DELETE FROM t1;
|
||
|
INSERT INTO t1 SELECT * FROM t2 LIMIT 1;
|
||
|
SELECT * FROM t1;
|
||
|
}
|
||
|
} {1 {constraint failed}}
|
||
|
do_test insert4-2.3.1 {
|
||
|
execsql {
|
||
|
DELETE FROM t3;
|
||
|
INSERT INTO t3 SELECT DISTINCT * FROM t2;
|
||
|
SELECT * FROM t3;
|
||
|
}
|
||
|
} {9 1 1 9}
|
||
|
do_test insert4-2.3.2 {
|
||
|
catchsql {
|
||
|
DELETE FROM t1;
|
||
|
INSERT INTO t1 SELECT DISTINCT * FROM t2;
|
||
|
}
|
||
|
} {1 {constraint failed}}
|
||
|
|
||
|
finish_test
|