mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add blcksz to struct ControlFileData to check BLCKSZ is same

Browse Source 
as BLCKSZ which the backend was compiled in.
This commit is contained in:
Tatsuo Ishii 1999-10-12 10:21:56 +00:00
parent 433c213533
commit 7adb1b0072
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/access/transam/xlog.c
View File

@ -97,6 +97,7 @@ typedef struct ControlFileData
XLogRecPtr checkPoint; /* last check point record ptr */
time_t time; /* time stamp of last modification */
DBState state; /* */
uint32 blcksz; /* block size for this DB */
/* MORE DATA FOLLOWS AT THE END OF THIS STRUCTURE
* - locations of data dirs
*/
@ -1162,6 +1163,7 @@ BootStrapXLOG()
ControlFile->checkPoint = checkPoint.redo;
ControlFile->time = time(NULL);
ControlFile->state = DB_SHUTDOWNED;
ControlFile->blcksz = BLCKSZ;
if (write(fd, buffer, BLCKSZ) != BLCKSZ)
elog(STOP, "BootStrapXLOG failed to write control file: %d", errno);
@ -1249,6 +1251,9 @@ tryAgain:
!XRecOffIsValid(ControlFile->checkPoint.xrecoff))
elog(STOP, "Control file context is broken");
if (ControlFile->blcksz != BLCKSZ)
elog(STOP, "database was initialized in BLCKSZ(%d), but the backend was compiled in BLCKSZ(%d)",ControlFile->blcksz,BLCKSZ);
if (ControlFile->state == DB_SHUTDOWNED)
elog(LOG, "Data Base System was shutdowned at %s",
str_time(ControlFile->time));