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author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-02-26 18:37:17 +0000 |
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committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-02-26 18:37:17 +0000 |
commit | 891497d3a9708eb773cd3bd9ff09de1beb9453fa (patch) | |
tree | b88e6b69a96bb69e034d7c0b050858a937e27412 | |
parent | 0060023c3d72707020c4d0bbebac39e7ccd122e5 (diff) | |
download | postgresql-891497d3a9708eb773cd3bd9ff09de1beb9453fa.tar.gz postgresql-891497d3a9708eb773cd3bd9ff09de1beb9453fa.zip |
Correct overstatement in locking docs: we said ExclusiveLock is never
taken automatically, but this is only true with respect to user tables.
-rw-r--r-- | doc/src/sgml/mvcc.sgml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml index 01f697d426a..1aeec22b66c 100644 --- a/doc/src/sgml/mvcc.sgml +++ b/doc/src/sgml/mvcc.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/mvcc.sgml,v 2.46 2004/12/23 23:07:38 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/mvcc.sgml,v 2.47 2005/02/26 18:37:17 tgl Exp $ --> <chapter id="mvcc"> @@ -677,8 +677,9 @@ SELECT SUM(value) FROM mytab WHERE class = 2; </para> <para> - This lock mode is not automatically acquired by any - <productname>PostgreSQL</productname> command. + This lock mode is not automatically acquired on user tables by any + <productname>PostgreSQL</productname> command. However it is + acquired on certain system catalogs in some operations. </para> </listitem> </varlistentry> |