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sqlite3

    1: # 2010 July 07
    2: #
    3: # The author disclaims copyright to this source code.  In place of
    4: # a legal notice, here is a blessing:
    5: #
    6: #    May you do good and not evil.
    7: #    May you find forgiveness for yourself and forgive others.
    8: #    May you share freely, never taking more than you give.
    9: #
   10: #***********************************************************************
   11: # This file implements regression tests for SQLite library.  The
   12: # focus of this script testing the ability of SQLite to handle database
   13: # files larger than 4GB in WAL mode.
   14: #
   15: 
   16: 
   17: set testdir [file dirname $argv0]
   18: source $testdir/tester.tcl
   19: 
   20: ifcapable !wal {
   21:   finish_test
   22:   return
   23: }
   24: 
   25: # Do not use a codec for this file, as the database is manipulated using
   26: # external methods (the [fake_big_file] and [hexio_write] commands).
   27: #
   28: do_not_use_codec
   29: 
   30: # If SQLITE_DISABLE_LFS is defined, omit this file.
   31: ifcapable !lfs {
   32:   finish_test
   33:   return
   34: }
   35: 
   36: set a_string_counter 1
   37: proc a_string {n} {
   38:   incr ::a_string_counter
   39:   string range [string repeat "${::a_string_counter}." $n] 1 $n
   40: }
   41: db func a_string a_string
   42: 
   43: do_test walbig-1.0 {
   44:   execsql {
   45:     PRAGMA journal_mode = WAL;
   46:     CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
   47:     INSERT INTO t1 VALUES(a_string(300), a_string(500));
   48:     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
   49:     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
   50:     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
   51:   }
   52: } {wal}
   53: 
   54: db close
   55: if {[catch {fake_big_file 5000 [pwd]/test.db}]} {
   56:   puts "**** Unable to create a file larger than 5000 MB. *****"
   57:   finish_test
   58:   return
   59: }
   60: hexio_write test.db 28 00000000
   61: 
   62: sqlite3 db test.db
   63: db func a_string a_string
   64: do_test walbig-1.1 {
   65:   execsql { INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1 }
   66: } {}
   67: db close
   68: 
   69: sqlite3 db test.db
   70: do_test walbig-1.2 {
   71:   execsql { SELECT a FROM t1 ORDER BY a }
   72: } [lsort [execsql { SELECT a FROM t1 ORDER BY rowid }]]
   73: 
   74: do_test walbig-1.3 {
   75:   execsql { SELECT b FROM t1 ORDER BY b }
   76: } [lsort [execsql { SELECT b FROM t1 ORDER BY rowid }]]
   77: 
   78: finish_test