From deac50021beded05ab98f973b6a66a58e42a06f9 Mon Sep 17 00:00:00 2001
From: Alvaro Herrera
Date: Thu, 27 Jun 2013 15:20:33 -0400
Subject: Document relminmxid and datminmxid
I introduced these new fields in 0ac5ad5134f27 but neglected to add them
to the system catalogs section of the docs.
Per Thom Brown in message
CAA-aLv7UiO=Whiq3MVbsEqSyQRthuX8Tb_RLyBuQt0KQBp=6EQ@mail.gmail.com
---
doc/src/sgml/catalogs.sgml | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
(limited to 'doc/src')
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index e638a8fcb1a..09f7e40b29f 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1884,6 +1884,19 @@
+
+ relminmxid
+ xid
+
+
+ All multitransaction IDs before this one have been replaced by a
+ transaction ID in this table. This is used to track
+ whether the table needs to be vacuumed in order to prevent multitransaction ID
+ ID wraparound or to allow pg_clog to be shrunk. Zero
+ (InvalidTransactionId) if the relation is not a table.
+
+
+
relacl
aclitem[]
@@ -2621,6 +2634,20 @@
+
+ datminmxid
+ xid
+
+
+ All multitransaction IDs before this one have been replaced with a
+ transaction ID in this database. This is used to
+ track whether the database needs to be vacuumed in order to prevent
+ transaction ID wraparound or to allow pg_clog to be shrunk.
+ It is the minimum of the per-table
+ pg_class.relminmxid values.
+
+
+
dattablespace
oid
--
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