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

Use clearer woring for pg_locks columns, identifying which items are

Browse Source 
related to lock objects.
This commit is contained in:
Bruce Momjian 2011-07-13 11:41:39 -04:00
parent 0d29c375cc
commit 80a1d16935
1 changed files with 13 additions and 12 deletions

25
doc/src/sgml/catalogs.sgml

@ -6930,7 +6930,7 @@
<entry> <entry>
OID of the database in which the object exists, or OID of the database in which the object exists, or
zero if the object is a shared object, or zero if the object is a shared object, or
null if the object is a transaction ID null if the lock object is on a transaction ID
</entry> </entry>
</row> </row>
<row> <row>
@ -6938,8 +6938,8 @@
<entry><type>oid</type></entry> <entry><type>oid</type></entry>
<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry> <entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry>
<entry> <entry>
OID of the relation, or null if the object is not OID of the relation, or null if the lock object is not
a relation or part of a relation on a relation or part of a relation
</entry> </entry>
</row> </row>
<row> <row>
@ -6947,8 +6947,8 @@
<entry><type>integer</type></entry> <entry><type>integer</type></entry>
<entry></entry> <entry></entry>
<entry> <entry>
Page number within the relation, or null if the object Page number within the relation, or null if the lock object
is not a tuple or relation page is not on a tuple or relation page
</entry> </entry>
</row> </row>
<row> <row>
@ -6956,7 +6956,8 @@
<entry><type>smallint</type></entry> <entry><type>smallint</type></entry>
<entry></entry> <entry></entry>
<entry> <entry>
Tuple number within the page, or null if the object is not a tuple Tuple number within the page, or null if the lock object is not
on a tuple
</entry> </entry>
</row> </row>
<row> <row>
@ -6964,8 +6965,8 @@
<entry><type>text</type></entry> <entry><type>text</type></entry>
<entry></entry> <entry></entry>
<entry> <entry>
Virtual ID of a transaction, or null if the object is not a Virtual ID of a transaction lock, or null if the lock object is not
virtual transaction ID on a virtual transaction ID
</entry> </entry>
</row> </row>
<row> <row>
@ -6973,7 +6974,7 @@
<entry><type>xid</type></entry> <entry><type>xid</type></entry>
<entry></entry> <entry></entry>
<entry> <entry>
ID of a transaction, or null if the object is not a transaction ID ID of a transaction lock, or null if the lock object is not on a transaction ID
</entry> </entry>
</row> </row>
<row> <row>
@ -6982,7 +6983,7 @@
<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry> <entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry>
<entry> <entry>
OID of the system catalog containing the object, or null if the OID of the system catalog containing the object, or null if the
object is not a general database object lock object is not on a general database object.
</entry> </entry>
</row> </row>
<row> <row>
@ -6991,7 +6992,7 @@
<entry>any OID column</entry> <entry>any OID column</entry>
<entry> <entry>
OID of the object within its system catalog, or null if the OID of the object within its system catalog, or null if the
object is not a general database object. lock object is not on a general database object.
For advisory locks it is used to distinguish the two key For advisory locks it is used to distinguish the two key
spaces (1 for an int8 key, 2 for two int4 keys). spaces (1 for an int8 key, 2 for two int4 keys).
</entry> </entry>
@ -7004,7 +7005,7 @@
For a table column, this is the column number (the For a table column, this is the column number (the
<structfield>classid</> and <structfield>objid</> refer to the <structfield>classid</> and <structfield>objid</> refer to the
table itself). For all other object types, this column is table itself). For all other object types, this column is
zero. Null if the object is not a general database object zero. Null if the lock object is not on a general database object.
</entry> </entry>
</row> </row>
<row> <row>