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In the multiplexor shim, when using 8+3 filenames, begin numbering journal

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overflow files with 101 instead of 001 to avoid name collisions with the
main database file.

FossilOrigin-Name: 05bf8a0b17a13a581ac973dc84ceaf66532d7f92
This commit is contained in:
drh
2011-12-11 22:44:09 +00:00
parent 630d296c57
commit 58cd3c6162
3 changed files with 14 additions and 7 deletions
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7
src/test_multiplex.c
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@@ -304,6 +304,13 @@ static int multiplexSubFilename(multiplexGroup *pGroup, int iChunk){
int i;
for(i=n-1; i>0 && i>=n-4 && z[i]!='.'; i--){}
if( i>=n-4 ) n = i+1;
if( pGroup->flags & (SQLITE_OPEN_MAIN_JOURNAL|SQLITE_OPEN_TEMP_JOURNAL) ){
/* The extensions on overflow files for main databases are 001, 002,
** 003 and so forth. To avoid name collisions, add 100 to the
** extensions of journal files so that they are 101, 102, 103, ....
*/
iChunk += 100;
}
#endif
sqlite3_snprintf(4,&z[n],"%03d",iChunk);
}