mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-25 08:59:33 +01:00
61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
# 2022 July 19
|
|
#
|
|
# 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 VIEW statements.
|
|
#
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
# Omit this entire file if the library is not configured with views enabled.
|
|
ifcapable !view {
|
|
finish_test
|
|
return
|
|
}
|
|
set testprefix view3
|
|
|
|
# Ticket [d58ccbb3f1b]: Prevent Table.nRef overflow.
|
|
db close
|
|
sqlite3 db :memory:
|
|
do_test 1.1 {
|
|
catchsql {
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1 VALUES(5);
|
|
CREATE VIEW v1 AS SELECT x*2 FROM t1;
|
|
CREATE VIEW v2 AS SELECT * FROM v1 UNION SELECT * FROM v1;
|
|
CREATE VIEW v4 AS SELECT * FROM v2 UNION SELECT * FROM v2;
|
|
CREATE VIEW v8 AS SELECT * FROM v4 UNION SELECT * FROM v4;
|
|
CREATE VIEW v16 AS SELECT * FROM v8 UNION SELECT * FROM v8;
|
|
CREATE VIEW v32 AS SELECT * FROM v16 UNION SELECT * FROM v16;
|
|
CREATE VIEW v64 AS SELECT * FROM v32 UNION SELECT * FROM v32;
|
|
CREATE VIEW v128 AS SELECT * FROM v64 UNION SELECT * FROM v64;
|
|
CREATE VIEW v256 AS SELECT * FROM v128 UNION SELECT * FROM v128;
|
|
CREATE VIEW v512 AS SELECT * FROM v256 UNION SELECT * FROM v256;
|
|
CREATE VIEW v1024 AS SELECT * FROM v512 UNION SELECT * FROM v512;
|
|
CREATE VIEW v2048 AS SELECT * FROM v1024 UNION SELECT * FROM v1024;
|
|
CREATE VIEW v4096 AS SELECT * FROM v2048 UNION SELECT * FROM v2048;
|
|
CREATE VIEW v8192 AS SELECT * FROM v4096 UNION SELECT * FROM v4096;
|
|
CREATE VIEW v16384 AS SELECT * FROM v8192 UNION SELECT * FROM v8192;
|
|
CREATE VIEW v32768 AS SELECT * FROM v16384 UNION SELECT * FROM v16384;
|
|
SELECT * FROM v32768 UNION SELECT * FROM v32768;
|
|
}
|
|
} {1 {too many references to "v1": max 65535}}
|
|
ifcapable progress {
|
|
do_test 1.2 {
|
|
db progress 1000 {expr 1}
|
|
catchsql {
|
|
SELECT * FROM v32768;
|
|
}
|
|
} {1 interrupted}
|
|
}
|
|
|
|
|
|
finish_test
|