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Fix the memdb VFS so that it does not allow mmap if it is resizable, and so

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that it never opens a disk file for any reason.

FossilOrigin-Name: 5ee14715a561d7522e9c6fd35a2ad3e6de526450025a99d2a523c2b27151be4f
This commit is contained in:
drh
2021-10-23 17:46:00 +00:00
parent be53656171
commit 88944e6f10
4 changed files with 15 additions and 16 deletions
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src/vdbesort.c
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@@ -1289,7 +1289,7 @@ static void vdbeSorterExtendFile(sqlite3 *db, sqlite3_file *pFd, i64 nByte){
sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_CHUNK_SIZE, &chunksize);
sqlite3OsFileControlHint(pFd, SQLITE_FCNTL_SIZE_HINT, &nByte);
sqlite3OsFetch(pFd, 0, (int)nByte, &p);
sqlite3OsUnfetch(pFd, 0, p);
if( p ) sqlite3OsUnfetch(pFd, 0, p);
}
}
#else