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Add tests to make sure statement journals are only opened when necessary. (CVS 2500)

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FossilOrigin-Name: 914d6e6549446a6ddf25e5da57d2fe9446750625
This commit is contained in:
drh
2005-06-07 02:12:30 +00:00
parent 3844990cfc
commit af6df11f8a
5 changed files with 112 additions and 110 deletions
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14
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.206 2005/05/22 20:30:39 drh Exp $
** @(#) $Id: pager.c,v 1.207 2005/06/07 02:12:30 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -1539,8 +1539,15 @@ void sqlite3pager_set_safety_level(Pager *pPager, int level){
#endif
/*
** Open a temporary file. Write the name of the file into zName
** (zName must be at least SQLITE_TEMPNAME_SIZE bytes long.) Write
** The following global variable is incremented whenever the library
** attempts to open a temporary file. This information is used for
** testing and analysis only.
*/
int sqlite3_opentemp_count = 0;
/*
** Open a temporary file. Write the name of the file into zFile
** (zFile must be at least SQLITE_TEMPNAME_SIZE bytes long.) Write
** the file descriptor into *fd. Return SQLITE_OK on success or some
** other error code if we fail.
**
@@ -1550,6 +1557,7 @@ void sqlite3pager_set_safety_level(Pager *pPager, int level){
static int sqlite3pager_opentemp(char *zFile, OsFile *fd){
int cnt = 8;
int rc;
sqlite3_opentemp_count++; /* Used for testing and analysis only */
do{
cnt--;
sqlite3OsTempFileName(zFile);