E.212. Release 7.3.12
              
            
            
              
                
                
                  Release Date
                
               
              
             
            
              This release contains a variety of fixes from 7.3.11.
            
            
              
                
                  E.212.1. Migration to Version 7.3.12
                
              
              
                A dump/restore is not required for those running 7.3.X.
                However, if you are upgrading from a version earlier than
                7.3.10, see Section E.214,
                « Release 7.3.10 ».
              
             
            
              
                
                  E.212.2. Changes
                
              
              
                
                  - 
                    
                      Fix race condition in transaction log management
                    
                    
                      There was a narrow window in which an I/O operation
                      could be initiated for the wrong page, leading to an
                      Assert failure or data corruption.
                    
                   
                  - 
                    
                      /contrib/ltree fixes (Teodor)
                    
                   
                  - 
                    
                      Fix longstanding planning error for outer joins
                    
                    
                      This bug sometimes caused a bogus error « RIGHT JOIN is only
                      supported with merge-joinable join
                      conditions ».
                    
                   
                  - 
                    
                      Prevent core dump in pg_autovacuum when a table has
                      been dropped