61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
# 2022 July 19
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing VIEW statements.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Omit this entire file if the library is not configured with views enabled.
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ifcapable !view {
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finish_test
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return
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}
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set testprefix view3
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# Ticket [d58ccbb3f1b]: Prevent Table.nRef overflow.
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db close
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sqlite3 db :memory:
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do_test 1.1 {
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catchsql {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(5);
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CREATE VIEW v1 AS SELECT x*2 FROM t1;
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CREATE VIEW v2 AS SELECT * FROM v1 UNION SELECT * FROM v1;
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CREATE VIEW v4 AS SELECT * FROM v2 UNION SELECT * FROM v2;
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CREATE VIEW v8 AS SELECT * FROM v4 UNION SELECT * FROM v4;
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CREATE VIEW v16 AS SELECT * FROM v8 UNION SELECT * FROM v8;
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CREATE VIEW v32 AS SELECT * FROM v16 UNION SELECT * FROM v16;
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CREATE VIEW v64 AS SELECT * FROM v32 UNION SELECT * FROM v32;
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CREATE VIEW v128 AS SELECT * FROM v64 UNION SELECT * FROM v64;
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CREATE VIEW v256 AS SELECT * FROM v128 UNION SELECT * FROM v128;
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CREATE VIEW v512 AS SELECT * FROM v256 UNION SELECT * FROM v256;
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CREATE VIEW v1024 AS SELECT * FROM v512 UNION SELECT * FROM v512;
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CREATE VIEW v2048 AS SELECT * FROM v1024 UNION SELECT * FROM v1024;
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CREATE VIEW v4096 AS SELECT * FROM v2048 UNION SELECT * FROM v2048;
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CREATE VIEW v8192 AS SELECT * FROM v4096 UNION SELECT * FROM v4096;
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CREATE VIEW v16384 AS SELECT * FROM v8192 UNION SELECT * FROM v8192;
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CREATE VIEW v32768 AS SELECT * FROM v16384 UNION SELECT * FROM v16384;
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SELECT * FROM v32768 UNION SELECT * FROM v32768;
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}
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} {1 {too many references to "v1": max 65535}}
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ifcapable progress {
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do_test 1.2 {
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db progress 1000 {expr 1}
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catchsql {
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SELECT * FROM v32768;
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}
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} {1 interrupted}
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}
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finish_test
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