# 2010 July 07 # # 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 script testing the ability of SQLite to handle database # files larger than 4GB in WAL mode. # set testdir [file dirname $argv0] source $testdir/tester.tcl # Do not use a codec for this file, as the database is manipulated using # external methods (the [fake_big_file] and [hexio_write] commands). # do_not_use_codec # If SQLITE_DISABLE_LFS is defined, omit this file. ifcapable !lfs { finish_test return } set a_string_counter 1 proc a_string {n} { incr ::a_string_counter string range [string repeat "${::a_string_counter}." $n] 1 $n } db func a_string a_string do_test walbig-1.0 { execsql { PRAGMA journal_mode = WAL; CREATE TABLE t1(a PRIMARY KEY, b UNIQUE); INSERT INTO t1 VALUES(a_string(300), a_string(500)); INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1; INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1; INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1; } } {wal} db close if {[catch {fake_big_file 5000 [pwd]/test.db}]} { puts "**** Unable to create a file larger than 5000 MB. *****" finish_test return } hexio_write test.db 28 00000000 sqlite3 db test.db db func a_string a_string do_test walbig-1.1 { execsql { INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1 } } {} db close sqlite3 db test.db do_test walbig-1.2 { execsql { SELECT a FROM t1 ORDER BY a } } [lsort [execsql { SELECT a FROM t1 ORDER BY rowid }]] do_test walbig-1.3 { execsql { SELECT b FROM t1 ORDER BY b } } [lsort [execsql { SELECT b FROM t1 ORDER BY rowid }]] finish_test