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# 2008 April 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 of this file is is verifying that the xUpdate, xSync, xCommit
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# and xRollback methods are only invoked after an xBegin or xCreate.
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# Ticket #3083.
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#
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# $Id: vtabC.test,v 1.1 2008/04/28 20:27:54 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !vtab {
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finish_test
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return
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}
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# N will be the number of virtual tables we have defined.
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#
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unset -nocomplain N
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for {set N 1} {$N<=20} {incr N} {
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db close
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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register_echo_module [sqlite3_connection_pointer db]
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# Create $N tables and $N virtual tables to echo them.
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#
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unset -nocomplain tablist
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set tablist {}
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do_test vtabC-1.$N.1 {
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for {set i 1} {$i<=$::N} {incr i} {
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execsql "CREATE TABLE t${i}(x)"
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execsql "CREATE VIRTUAL TABLE vt$i USING echo(t$i)"
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lappend ::tablist t$i vt$i
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}
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execsql {SELECT count(*) FROM sqlite_master}
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} [expr {$N*2}]
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do_test vtabC-1.$N.2 {
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execsql {SELECT name FROM sqlite_master}
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} $tablist
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# Create a table m and add triggers to make changes on all
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# of the virtual tables when m is changed.
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#
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do_test vtabC-1.$N.3 {
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execsql {CREATE TABLE m(a)}
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set sql "CREATE TRIGGER rins AFTER INSERT ON m BEGIN\n"
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for {set i 1} {$i<=$::N} {incr i} {
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append sql " INSERT INTO vt$i VALUES(NEW.a+$i);\n"
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}
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append sql "END;"
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execsql $sql
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execsql {SELECT count(*) FROM sqlite_master}
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} [expr {$N*2+2}]
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do_test vtabC-1.$N.4 {
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execsql {
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INSERT INTO m VALUES(1000);
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SELECT * FROM m;
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}
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} {1000}
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for {set j 1} {$j<=$::N} {incr j} {
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do_test vtabC-1.$N.5.$j {
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execsql "SELECT * FROM t$::j"
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} [expr {$j+1000}]
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do_test vtabC-1.$N.6.$j {
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execsql "SELECT * FROM vt$::j"
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} [expr {$j+1000}]
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}
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do_test vtabC-1.$N.7 {
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set sql "CREATE TRIGGER rins2 BEFORE INSERT ON m BEGIN\n"
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for {set i 1} {$i<=$::N} {incr i} {
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append sql " INSERT INTO vt$i VALUES(NEW.a+$i*100);\n"
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}
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for {set i 1} {$i<=$::N} {incr i} {
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append sql " INSERT INTO vt$i VALUES(NEW.a+$i*10000);\n"
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}
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append sql "END;"
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execsql $sql
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execsql {SELECT count(*) FROM sqlite_master}
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} [expr {$N*2+3}]
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do_test vtabC-1.$N.8 {
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execsql {
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INSERT INTO m VALUES(9000000);
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SELECT * FROM m;
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}
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} {1000 9000000}
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unset -nocomplain res
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for {set j 1} {$j<=$::N} {incr j} {
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set res [expr {$j+1000}]
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lappend res [expr {$j*100+9000000}]
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lappend res [expr {$j*10000+9000000}]
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lappend res [expr {$j+9000000}]
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do_test vtabC-1.$N.9.$j {
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execsql "SELECT * FROM t$::j"
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} $res
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do_test vtabC-1.$N.10.$j {
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execsql "SELECT * FROM vt$::j"
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} $res
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}
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}
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unset -nocomplain res N i j
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finish_test
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