diff options
| -rw-r--r-- | doc/src/sgml/catalogs.sgml | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml index d4a1d3686f0..c5851afefa8 100644 --- a/doc/src/sgml/catalogs.sgml +++ b/doc/src/sgml/catalogs.sgml @@ -6930,7 +6930,7 @@ <entry> OID of the database in which the object exists, 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> </row> <row> @@ -6938,8 +6938,8 @@ <entry><type>oid</type></entry> <entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry> <entry> - OID of the relation, or null if the object is not - a relation or part of a relation + OID of the relation, or null if the lock object is not + on a relation or part of a relation </entry> </row> <row> @@ -6947,8 +6947,8 @@ <entry><type>integer</type></entry> <entry></entry> <entry> - Page number within the relation, or null if the object - is not a tuple or relation page + Page number within the relation, or null if the lock object + is not on a tuple or relation page </entry> </row> <row> @@ -6956,7 +6956,8 @@ <entry><type>smallint</type></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> </row> <row> @@ -6964,8 +6965,8 @@ <entry><type>text</type></entry> <entry></entry> <entry> - Virtual ID of a transaction, or null if the object is not a - virtual transaction ID + Virtual ID of a transaction lock, or null if the lock object is not + on a virtual transaction ID </entry> </row> <row> @@ -6973,7 +6974,7 @@ <entry><type>xid</type></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> </row> <row> @@ -6982,7 +6983,7 @@ <entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry> <entry> 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> </row> <row> @@ -6991,7 +6992,7 @@ <entry>any OID column</entry> <entry> 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 spaces (1 for an int8 key, 2 for two int4 keys). </entry> @@ -7004,7 +7005,7 @@ For a table column, this is the column number (the <structfield>classid</> and <structfield>objid</> refer to the 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> </row> <row> |