SQLite

**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.432 2008/04/15 02:36:34 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
#ifdef SQLITE_ENABLE_FTS3
# include "fts3.h"
#endif

**
** A new lower limit does not shrink existing constructs.
** It merely prevents new constructs that exceed the limit
** from forming.
*/
int sqlite3_limit(sqlite3 *db, int limitId, int newLimit){
  int oldLimit;
  if( limitId<0 || limitId>=SQLITE_N_LIMIT ){
    return -1;
  }
  oldLimit = db->aLimit[limitId];
  if( newLimit>=0 ){
    if( newLimit>aHardLimit[limitId] ){
      newLimit = aHardLimit[limitId];
    }

**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.298 2008/04/15 02:36:34 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>

/*

    { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
    { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
    { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
    { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
    { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
    { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
    { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
    
    /* Out of range test cases */
    { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
    { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_VARIABLE_NUMBER+1    },
  };
  int i, id;
  int val;
  const char *zId;

  if( objc!=4 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",

#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains tests to verify that the limits defined in
# sqlite source file limits.h are enforced.
#
# $Id: sqllimits1.test,v 1.28 2008/04/15 02:36:34 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Verify that the default per-connection limits are the same as
# the compile-time hard limits.
#

} $SQLITE_MAX_ATTACHED
do_test sqllimits1-1.9 {
  sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
} $SQLITE_MAX_LIKE_PATTERN_LENGTH
do_test sqllimits1-1.10 {
  sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
} $SQLITE_MAX_VARIABLE_NUMBER

# Limit parameters out of range.
#
do_test sqllimits1-1.20 {
  sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
} {-1}
do_test sqllimits1-1.21 {
  sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
} {-1}
do_test sqllimits1-1.22 {
  sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
} {-1}
do_test sqllimits1-1.23 {
  sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
} {-1}


# Decrease all limits by half.  Verify that the new limits take.
#
if {$SQLITE_MAX_LENGTH>=2} {
  do_test sqllimits1-2.1.1 {
    sqlite3_limit db SQLITE_LIMIT_LENGTH \
                    [expr {$::SQLITE_MAX_LENGTH/2}]

# 2001 September 15
#
# 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 some common TCL routines used for regression
# testing the SQLite library
#
# $Id: tester.tcl,v 1.115 2008/04/15 02:36:34 drh Exp $

#
# What for user input before continuing.  This gives an opportunity
# to connect profiling tools to the process.
#
for {set i 0} {$i<[llength $argv]} {incr i} {
  if {[regexp {^-+pause$} [lindex $argv $i] all value]} {

# Set the test counters to zero
#
set nErr 0
set nTest 0
set skip_test 0
set failList {}
set omitList {}
if {![info exists speedTest]} {
  set speedTest 0
}

# Record the fact that a sequence of tests were omitted.
#
proc omit_test {name reason} {
  global omitList
  lappend omitList [list $name $reason]
}

# Invoke the do_test procedure to run a single test 
#
proc do_test {name cmd expected} {
  global argv nErr nTest skip_test maxErr
  sqlite3_memdebug_settitle $name
  if {$skip_test} {

# Run this routine last
#
proc finish_test {} {
  finalize_testing
}
proc finalize_testing {} {
  global nTest nErr sqlite_open_file_count omitList

  catch {db close}
  catch {db2 close}
  catch {db3 close}

  vfs_unlink_test
  sqlite3 db {}

    puts "soft-heap-limit set to $heaplimit"
  }
  sqlite3_soft_heap_limit 0
  incr nTest
  puts "$nErr errors out of $nTest tests"
  if {$nErr>0} {
    puts "Failures on these tests: $::failList"
  }
  if {[llength $omitList]>0} {
    puts "Omitted test cases:"
    set prec {}
    foreach {rec} [lsort $omitList] {
      if {$rec==$prec} continue
      set prec $rec
      puts [format {  %-12s %s} [lindex $rec 0] [lindex $rec 1]]
    }
  }
  if {$nErr>0 && ![working_64bit_int]} {
    puts "******************************************************************"
    puts "N.B.:  The version of TCL that you used to build this test harness"
    puts "is defective in that it does not support 64-bit integers.  Some or"
    puts "all of the test failures above might be a result from this defect"
    puts "in your TCL build."

# 2001 September 15
#
# 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 file is testing the VACUUM statement.
#
# $Id: vacuum.test,v 1.41 2008/04/15 02:36:34 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# If the VACUUM statement is disabled in the current build, skip all
# the tests in this file.
#
ifcapable {!vacuum} {
  omit_test vacuum.test {Compiled with SQLITE_OMIT_VACUUM}
  finish_test
  return
}
if $AUTOVACUUM {
  omit_test vacuum.test {Auto-vacuum is enabled}
  finish_test
  return
}

set fcnt 1
do_test vacuum-1.1 {
  execsql {