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# 2006 June 10
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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 is on testing the following virtual table methods:
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#
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# xBegin
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# xSync
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# xCommit
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# xRollback
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#
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# $Id: vtab4.test,v 1.3 2008/07/12 14:52:21 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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unset -nocomplain echo_module
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unset -nocomplain echo_module_sync_fail
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ifcapable !vtab {
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finish_test
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return
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}
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# Register the echo module
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db cache size 0
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register_echo_module [sqlite3_connection_pointer db]
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do_test vtab4-1.1 {
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execsql {
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CREATE TABLE treal(a PRIMARY KEY, b, c);
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CREATE VIRTUAL TABLE techo USING echo(treal);
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}
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} {}
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# Test an INSERT, UPDATE and DELETE statement on the virtual table
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# in an implicit transaction. Each should result in a single call
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# to xBegin, xSync and xCommit.
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#
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do_test vtab4-1.2 {
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set echo_module [list]
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execsql {
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INSERT INTO techo VALUES(1, 2, 3);
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}
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set echo_module
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} {xBegin echo(treal) xSync echo(treal) xCommit echo(treal)}
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do_test vtab4-1.3 {
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set echo_module [list]
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execsql {
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UPDATE techo SET a = 2;
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}
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set echo_module
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} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
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xBegin echo(treal) \
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xFilter {SELECT rowid, * FROM 'treal'} \
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xSync echo(treal) \
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xCommit echo(treal) \
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]
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do_test vtab4-1.4 {
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set echo_module [list]
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execsql {
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DELETE FROM techo;
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}
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set echo_module
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} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
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xBegin echo(treal) \
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xFilter {SELECT rowid, * FROM 'treal'} \
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xSync echo(treal) \
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xCommit echo(treal) \
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]
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# Ensure xBegin is not called more than once in a single transaction.
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#
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do_test vtab4-2.1 {
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set echo_module [list]
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execsql {
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BEGIN;
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INSERT INTO techo VALUES(1, 2, 3);
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INSERT INTO techo VALUES(4, 5, 6);
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INSERT INTO techo VALUES(7, 8, 9);
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COMMIT;
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}
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set echo_module
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} {xBegin echo(treal) xSync echo(treal) xCommit echo(treal)}
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# Try a transaction with two virtual tables.
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#
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do_test vtab4-2.2 {
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execsql {
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CREATE TABLE sreal(a, b, c UNIQUE);
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CREATE VIRTUAL TABLE secho USING echo(sreal);
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}
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set echo_module [list]
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execsql {
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BEGIN;
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INSERT INTO secho SELECT * FROM techo;
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DELETE FROM techo;
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COMMIT;
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}
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set echo_module
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} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
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xBegin echo(sreal) \
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xFilter {SELECT rowid, * FROM 'treal'} \
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xBestIndex {SELECT rowid, * FROM 'treal'} \
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xBegin echo(treal) \
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xFilter {SELECT rowid, * FROM 'treal'} \
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xSync echo(sreal) \
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xSync echo(treal) \
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xCommit echo(sreal) \
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xCommit echo(treal) \
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]
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do_test vtab4-2.3 {
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execsql {
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SELECT * FROM secho;
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}
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} {1 2 3 4 5 6 7 8 9}
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do_test vtab4-2.4 {
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execsql {
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SELECT * FROM techo;
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}
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} {}
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# Try an explicit ROLLBACK on a transaction with two open virtual tables.
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do_test vtab4-2.5 {
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set echo_module [list]
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execsql {
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BEGIN;
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INSERT INTO techo SELECT * FROM secho;
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DELETE FROM secho;
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ROLLBACK;
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}
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set echo_module
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} [list xBestIndex {SELECT rowid, * FROM 'sreal'} \
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xBegin echo(treal) \
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xFilter {SELECT rowid, * FROM 'sreal'} \
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xBestIndex {SELECT rowid, * FROM 'sreal'} \
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xBegin echo(sreal) \
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xFilter {SELECT rowid, * FROM 'sreal'} \
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xRollback echo(treal) \
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xRollback echo(sreal) \
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]
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do_test vtab4-2.6 {
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execsql {
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SELECT * FROM secho;
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}
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} {1 2 3 4 5 6 7 8 9}
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do_test vtab4-2.7 {
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execsql {
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SELECT * FROM techo;
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}
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} {}
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do_test vtab4-3.1 {
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set echo_module [list]
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set echo_module_sync_fail treal
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catchsql {
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INSERT INTO techo VALUES(1, 2, 3);
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}
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} {1 {unknown error}}
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do_test vtab4-3.2 {
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set echo_module
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} {xBegin echo(treal) xSync echo(treal) xRollback echo(treal)}
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do_test vtab4-3.3 {
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set echo_module [list]
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set echo_module_sync_fail sreal
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catchsql {
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BEGIN;
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INSERT INTO techo SELECT * FROM secho;
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DELETE FROM secho;
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COMMIT;
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}
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set echo_module
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} [list xBestIndex {SELECT rowid, * FROM 'sreal'} \
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xBegin echo(treal) \
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xFilter {SELECT rowid, * FROM 'sreal'} \
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xBestIndex {SELECT rowid, * FROM 'sreal'} \
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xBegin echo(sreal) \
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xFilter {SELECT rowid, * FROM 'sreal'} \
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xSync echo(treal) \
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xSync echo(sreal) \
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xRollback echo(treal) \
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xRollback echo(sreal) \
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]
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finish_test
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