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Skip bgwriter's lock on newly promoted standby servers

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Fixes ticket #1.
This commit is contained in:
Daniele Varrazzo 2012-11-06 01:44:36 +00:00
parent 05111376c8
commit 841f656012
1 changed files with 5 additions and 1 deletions
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6
bin/pg_reorg.c
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@ -26,9 +26,13 @@ const char *PROGRAM_EMAIL = "reorg-general@lists.pgfoundry.org";
*/ */
#define APPLY_COUNT 1000 #define APPLY_COUNT 1000
/* The '1/1, -1/0' lock skipped is from the bgwriter on newly promoted
* servers. See GH ticket #1.
*/
#define SQL_XID_SNAPSHOT \ #define SQL_XID_SNAPSHOT \
"SELECT reorg.array_accum(virtualtransaction) FROM pg_locks"\ "SELECT reorg.array_accum(virtualtransaction) FROM pg_locks"\
" WHERE locktype = 'virtualxid' AND pid <> pg_backend_pid()" " WHERE locktype = 'virtualxid' AND pid <> pg_backend_pid()"\
" AND (virtualxid, virtualtransaction) <> ('1/1', '-1/0')"
#define SQL_XID_ALIVE \ #define SQL_XID_ALIVE \
"SELECT pid FROM pg_locks WHERE locktype = 'virtualxid'"\ "SELECT pid FROM pg_locks WHERE locktype = 'virtualxid'"\