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Add option to include WAL in base backup

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When included, this makes the base backup a complete working
"clone" of the initial database, ready to have a postmaster
started against it without the need to set up any log archiving
or similar.

Magnus Hagander, reviewed by Fujii Masao and Heikki Linnakangas
This commit is contained in:
Magnus Hagander
2011-01-30 21:30:09 +01:00
parent 5d5678d7c3
commit 507069de6d
8 changed files with 197 additions and 44 deletions
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8
src/backend/replication/walsender.c
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@@ -105,7 +105,6 @@ static int WalSndLoop(void);
static void InitWalSnd(void);
static void WalSndHandshake(void);
static void WalSndKill(int code, Datum arg);
static void XLogRead(char *buf, XLogRecPtr recptr, Size nbytes);
static bool XLogSend(char *msgbuf, bool *caughtup);
static void CheckClosedConnection(void);
static void IdentifySystem(void);
@@ -649,8 +648,13 @@ WalSndKill(int code, Datum arg)
*
* XXX probably this should be improved to suck data directly from the
* WAL buffers when possible.
*
* Will open, and keep open, one WAL segment stored in the global file
* descriptor sendFile. This means if XLogRead is used once, there will
* always be one descriptor left open until the process ends, but never
* more than one.
*/
static void
void
XLogRead(char *buf, XLogRecPtr recptr, Size nbytes)
{
XLogRecPtr startRecPtr = recptr;