database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

The pager now remembers when a VFS reports that a database file is

Browse Source 
SQLITE_OPEN_MEMORY and treats that database as an in-memory database.

FossilOrigin-Name: 967b65623807ff992869da0a7d9b0105701939c4658a7aee37a30fb267869c6d
This commit is contained in:
drh
2021-10-23 20:32:27 +00:00
parent 88944e6f10
commit 021e228ec0
3 changed files with 10 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/pager.c
View File

@@ -630,6 +630,7 @@ struct Pager {
u8 noLock; /* Do not lock (except in WAL mode) */
u8 readOnly; /* True for a read-only database */
u8 memDb; /* True to inhibit all file I/O */
u8 memVfs; /* VFS-implemented memory database */
/**************************************************************************
** The following block contains those class members that change during
@@ -4872,7 +4873,7 @@ int sqlite3PagerOpen(
rc = sqlite3OsOpen(pVfs, pPager->zFilename, pPager->fd, vfsFlags, &fout);
assert( !memDb );
#ifndef SQLITE_OMIT_DESERIALIZE
memJM = (fout&SQLITE_OPEN_MEMORY)!=0;
pPager->memVfs = memJM = (fout&SQLITE_OPEN_MEMORY)!=0;
#endif
readOnly = (fout&SQLITE_OPEN_READONLY)!=0;
@@ -6809,7 +6810,7 @@ void sqlite3PagerCacheStat(Pager *pPager, int eStat, int reset, int *pnVal){
** Return true if this is an in-memory or temp-file backed pager.
*/
int sqlite3PagerIsMemdb(Pager *pPager){
return pPager->tempFile;
return pPager->tempFile || pPager->memVfs;
}
/*