/ Check-in [5efafef5]
Login
SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Merge latest trunk fixes into this branch.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | ota-update
Files: files | file ages | folders
SHA1: 5efafef51d146bcba3adc425561bfa1ac083c0a7
User & Date: dan 2014-09-15 16:57:10
Context
2014-09-15
19:34
Remove the experimental sqlite3_transaction_save() and restore() APIs. check-in: 48d201cd user: dan tags: ota-update
16:57
Merge latest trunk fixes into this branch. check-in: 5efafef5 user: dan tags: ota-update
16:53
Fix tool/showwal.c so that it handles WAL files that contain 64KiB pages. check-in: 4060efb6 user: dan tags: trunk
15:34
Merge latest trunk changes with this branch. check-in: 55b8011d user: dan tags: ota-update
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/vdbesort.c.

597
598
599
600
601
602
603
604
605
606
607
608

609
610
611
612
613
614
615
....
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
** mmap), return SQLITE_OK and set *pp to NULL.
**
** Or, if an error occurs, return an SQLite error code. The final value of
** *pp is undefined in this case.
*/
static int vdbeSorterMapFile(SortSubtask *pTask, SorterFile *pFile, u8 **pp){
  int rc = SQLITE_OK;
  if( pFile->iEof<=(i64)(pTask->pSorter->db->nMaxSorterMmap)
   && pFile->pFd->pMethods->xFetch 
  ){
    rc = sqlite3OsFetch(pFile->pFd, 0, (int)pFile->iEof, (void**)pp);
    testcase( rc!=SQLITE_OK );

  }
  return rc;
}

/*
** Attach PmaReader pReadr to file pFile (if it is not already attached to
** that file) and seek it to offset iOff within the file.  Return SQLITE_OK 
................................................................................
**
** Whether or not the file does end up memory mapped of course depends on
** the specific VFS implementation.
*/
static void vdbeSorterExtendFile(sqlite3 *db, sqlite3_file *pFd, i64 nByte){
  if( nByte<=(i64)(db->nMaxSorterMmap) ){
    int rc = sqlite3OsTruncate(pFd, nByte);
    if( rc==SQLITE_OK && pFd->pMethods->xFetch ){
      void *p = 0;
      sqlite3OsFetch(pFd, 0, (int)nByte, &p);
      sqlite3OsUnfetch(pFd, 0, p);
    }
  }
}
#else







|
|
|
|
|
>







 







|







597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
....
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
** mmap), return SQLITE_OK and set *pp to NULL.
**
** Or, if an error occurs, return an SQLite error code. The final value of
** *pp is undefined in this case.
*/
static int vdbeSorterMapFile(SortSubtask *pTask, SorterFile *pFile, u8 **pp){
  int rc = SQLITE_OK;
  if( pFile->iEof<=(i64)(pTask->pSorter->db->nMaxSorterMmap) ){
    sqlite3_file *pFd = pFile->pFd;
    if( pFd->pMethods->iVersion>=3 ){
      rc = sqlite3OsFetch(pFd, 0, (int)pFile->iEof, (void**)pp);
      testcase( rc!=SQLITE_OK );
    }
  }
  return rc;
}

/*
** Attach PmaReader pReadr to file pFile (if it is not already attached to
** that file) and seek it to offset iOff within the file.  Return SQLITE_OK 
................................................................................
**
** Whether or not the file does end up memory mapped of course depends on
** the specific VFS implementation.
*/
static void vdbeSorterExtendFile(sqlite3 *db, sqlite3_file *pFd, i64 nByte){
  if( nByte<=(i64)(db->nMaxSorterMmap) ){
    int rc = sqlite3OsTruncate(pFd, nByte);
    if( rc==SQLITE_OK && pFd->pMethods->iVersion>=3 ){
      void *p = 0;
      sqlite3OsFetch(pFd, 0, (int)nByte, &p);
      sqlite3OsUnfetch(pFd, 0, p);
    }
  }
}
#else

Added test/sort5.test.



























































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
# 2014 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. 
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix sort5


#-------------------------------------------------------------------------
# Verify that sorting works with a version 1 sqlite3_io_methods structure.
#
testvfs tvfs -iversion 1 -default true
reset_db
do_execsql_test 1.0 {
  PRAGMA mmap_size = 10000000;
  PRAGMA cache_size = 10;
  CREATE TABLE t1(a, b);
} {0}

do_test 1.1 {
  execsql BEGIN
  for {set i 0} {$i < 2000} {incr i} {
    execsql { INSERT INTO t1 VALUES($i, randomblob(2000)) }
  }
  execsql COMMIT
} {}

do_execsql_test 1.2 {
  CREATE INDEX i1 ON t1(b);
}

db close
tvfs delete
finish_test