392 lines
11 KiB
Plaintext
392 lines
11 KiB
Plaintext
# 2005 Jan 24
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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.
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#
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# This file tests the various conditions under which an SQLITE_SCHEMA
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# error should be returned.
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#
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# $Id: schema.test,v 1.9 2009/02/04 17:40:58 drh Exp $
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#---------------------------------------------------------------------
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# When any of the following types of SQL statements or actions are
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# executed, all pre-compiled statements are invalidated. An attempt
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# to execute an invalidated statement always returns SQLITE_SCHEMA.
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#
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# CREATE/DROP TABLE...................................schema-1.*
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# CREATE/DROP VIEW....................................schema-2.*
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# CREATE/DROP TRIGGER.................................schema-3.*
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# CREATE/DROP INDEX...................................schema-4.*
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# DETACH..............................................schema-5.*
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# Deleting a user-function............................schema-6.*
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# Deleting a collation sequence.......................schema-7.*
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# Setting or changing the authorization function......schema-8.*
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# Rollback of a DDL statement.........................schema-12.*
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#
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# Test cases schema-9.* and schema-10.* test some specific bugs
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# that came up during development.
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#
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# Test cases schema-11.* test that it is impossible to delete or
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# change a collation sequence or user-function while SQL statements
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# are executing. Adding new collations or functions is allowed.
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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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do_test schema-1.1 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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CREATE TABLE abc(a, b, c);
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-1.2 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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do_test schema-1.3 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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DROP TABLE abc;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-1.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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ifcapable view {
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do_test schema-2.1 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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CREATE VIEW v1 AS SELECT * FROM sqlite_master;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-2.2 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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do_test schema-2.3 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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DROP VIEW v1;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-2.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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}
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ifcapable trigger {
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do_test schema-3.1 {
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execsql {
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CREATE TABLE abc(a, b, c);
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}
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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CREATE TRIGGER abc_trig AFTER INSERT ON abc BEGIN
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SELECT 1, 2, 3;
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END;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-3.2 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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do_test schema-3.3 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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DROP TRIGGER abc_trig;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-3.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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}
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do_test schema-4.1 {
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catchsql {
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CREATE TABLE abc(a, b, c);
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}
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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CREATE INDEX abc_index ON abc(a);
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-4.2 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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do_test schema-4.3 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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execsql {
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DROP INDEX abc_index;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-4.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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#---------------------------------------------------------------------
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# Tests 5.1 to 5.4 check that prepared statements are invalidated when
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# a database is DETACHed (but not when one is ATTACHed).
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#
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ifcapable attach {
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do_test schema-5.1 {
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set sql {SELECT * FROM abc;}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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execsql {
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ATTACH 'test2.db' AS aux;
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}
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sqlite3_step $::STMT
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} {SQLITE_DONE}
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do_test schema-5.2 {
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sqlite3_reset $::STMT
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} {SQLITE_OK}
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do_test schema-5.3 {
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execsql {
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DETACH aux;
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}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-5.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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}
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#---------------------------------------------------------------------
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# Tests 6.* check that prepared statements are invalidated when
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# a user-function is deleted (but not when one is added).
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do_test schema-6.1 {
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set sql {SELECT * FROM abc;}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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db function hello_function {}
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sqlite3_step $::STMT
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} {SQLITE_DONE}
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do_test schema-6.2 {
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sqlite3_reset $::STMT
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} {SQLITE_OK}
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do_test schema-6.3 {
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sqlite_delete_function $::DB hello_function
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-6.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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#---------------------------------------------------------------------
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# Tests 7.* check that prepared statements are invalidated when
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# a collation sequence is deleted (but not when one is added).
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#
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ifcapable utf16 {
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do_test schema-7.1 {
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set sql {SELECT * FROM abc;}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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add_test_collate $::DB 1 1 1
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sqlite3_step $::STMT
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} {SQLITE_DONE}
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do_test schema-7.2 {
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sqlite3_reset $::STMT
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} {SQLITE_OK}
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do_test schema-7.3 {
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add_test_collate $::DB 0 0 0
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-7.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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}
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#---------------------------------------------------------------------
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# Tests 8.1 and 8.2 check that prepared statements are invalidated when
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# the authorization function is set.
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#
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ifcapable auth {
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do_test schema-8.1 {
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set ::STMT [sqlite3_prepare $::DB {SELECT * FROM sqlite_master} -1 TAIL]
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db auth {}
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test schema-8.3 {
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sqlite3_finalize $::STMT
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} {SQLITE_SCHEMA}
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}
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#---------------------------------------------------------------------
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# schema-9.1: Test that if a table is dropped by one database connection,
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# other database connections are aware of the schema change.
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# schema-9.2: Test that if a view is dropped by one database connection,
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# other database connections are aware of the schema change.
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#
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do_test schema-9.1 {
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sqlite3 db2 test.db
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execsql {
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DROP TABLE abc;
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} db2
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db2 close
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catchsql {
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SELECT * FROM abc;
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}
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} {1 {no such table: abc}}
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execsql {
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CREATE TABLE abc(a, b, c);
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}
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ifcapable view {
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do_test schema-9.2 {
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execsql {
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CREATE VIEW abcview AS SELECT * FROM abc;
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}
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sqlite3 db2 test.db
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execsql {
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DROP VIEW abcview;
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} db2
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db2 close
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catchsql {
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SELECT * FROM abcview;
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}
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} {1 {no such table: abcview}}
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}
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#---------------------------------------------------------------------
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# Test that if a CREATE TABLE statement fails because there are other
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# btree cursors open on the same database file it does not corrupt
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# the sqlite_master table.
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#
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# 2007-05-02: These tests have been overcome by events. Open btree
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# cursors no longer block CREATE TABLE. But there is no reason not
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# to keep the tests in the test suite.
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#
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do_test schema-10.1 {
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execsql {
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INSERT INTO abc VALUES(1, 2, 3);
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}
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set sql {SELECT * FROM abc}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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sqlite3_step $::STMT
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} {SQLITE_ROW}
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do_test schema-10.2 {
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catchsql {
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CREATE TABLE t2(a, b, c);
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}
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} {0 {}}
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do_test schema-10.3 {
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sqlite3_finalize $::STMT
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} {SQLITE_OK}
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do_test schema-10.4 {
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sqlite3 db2 test.db
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execsql {
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SELECT * FROM abc
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} db2
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} {1 2 3}
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do_test schema-10.5 {
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db2 close
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} {}
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#---------------------------------------------------------------------
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# Attempting to delete or replace a user-function or collation sequence
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# while there are active statements returns an SQLITE_BUSY error.
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#
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# schema-11.1 - 11.4: User function.
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# schema-11.5 - 11.8: Collation sequence.
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#
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do_test schema-11.1 {
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db function tstfunc {}
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set sql {SELECT * FROM abc}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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sqlite3_step $::STMT
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} {SQLITE_ROW}
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do_test schema-11.2 {
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sqlite_delete_function $::DB tstfunc
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} {SQLITE_BUSY}
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do_test schema-11.3 {
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set rc [catch {
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db function tstfunc {}
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} msg]
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list $rc $msg
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} {1 {unable to delete/modify user-function due to active statements}}
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do_test schema-11.4 {
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sqlite3_finalize $::STMT
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} {SQLITE_OK}
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do_test schema-11.5 {
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db collate tstcollate {}
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set sql {SELECT * FROM abc}
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set ::STMT [sqlite3_prepare $::DB $sql -1 TAIL]
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sqlite3_step $::STMT
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} {SQLITE_ROW}
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do_test schema-11.6 {
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sqlite_delete_collation $::DB tstcollate
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} {SQLITE_BUSY}
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do_test schema-11.7 {
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set rc [catch {
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db collate tstcollate {}
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} msg]
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list $rc $msg
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} {1 {unable to delete/modify collation sequence due to active statements}}
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do_test schema-11.8 {
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sqlite3_finalize $::STMT
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} {SQLITE_OK}
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# The following demonstrates why statements need to be expired whenever
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# there is a rollback (explicit or otherwise).
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#
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do_test schema-12.1 {
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# Begin a transaction and create a table. This increments
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# the schema cookie. Then compile an SQL statement, using
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# the current (incremented) value of the cookie.
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execsql {
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BEGIN;
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CREATE TABLE t3(a, b, c);
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}
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set ::STMT [sqlite3_prepare $::DB "CREATE TABLE t4(a,b,c)" -1 TAIL]
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# Rollback the transaction, resetting the schema cookie to the value
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# it had at the start of this test case. Then create a table,
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# incrementing the schema cookie.
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execsql {
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ROLLBACK;
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CREATE TABLE t4(a, b, c);
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}
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# The schema cookie now has the same value as it did when SQL statement
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# $::STMT was prepared. So unless it has been expired, it would be
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# possible to run the "CREATE TABLE t4" statement and create a
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# duplicate table.
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list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
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} {SQLITE_ERROR SQLITE_SCHEMA}
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ifcapable {auth} {
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do_test schema-13.1 {
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set S [sqlite3_prepare_v2 db "SELECT * FROM sqlite_master" -1 dummy]
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db function hello hello
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db function hello {}
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db auth auth
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proc auth {args} {
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if {[lindex $args 0] == "SQLITE_READ"} {return SQLITE_DENY}
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return SQLITE_OK
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}
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sqlite3_step $S
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} {SQLITE_AUTH}
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do_test schema-13.2 {
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sqlite3_step $S
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} {SQLITE_AUTH}
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do_test schema-13.3 {
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sqlite3_finalize $S
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} {SQLITE_AUTH}
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}
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finish_test
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