Split out the description of page-level lock as new subsection in document.

Michael Banck

diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml
index 12b7814bfd9871599d9be6878ec0139076ac3075..0bbbc712a71f02bba92610536fbc397ff451df9e 100644 (file)
--- a/doc/src/sgml/mvcc.sgml
+++ b/doc/src/sgml/mvcc.sgml
@@ -1139,7 +1139,11 @@ ERROR:  could not serialize access due to read/write dependencies among transact
      UPDATE modifies selected rows to mark them locked, and so
      will result in disk writes.
     
+   
 
+   
+    Page-level Locks
+  
     
      In addition to table and row locks, page-level share/exclusive locks are
      used to control read/write access to table pages in the shared buffer