Add lock matrix to documentation.
authorBruce Momjian
Thu, 8 Feb 2007 15:32:11 +0000 (15:32 +0000)
committerBruce Momjian
Thu, 8 Feb 2007 15:32:11 +0000 (15:32 +0000)
Teodor Sigaev

doc/src/sgml/mvcc.sgml

index 02161a3a4c0746259a014dc90360dbc835abf026..0fcc984cd6675fec746d8ce80a49443341f6ccaf 100644 (file)
@@ -1,4 +1,4 @@
-
+
 
  
   Concurrency Control
@@ -741,6 +741,123 @@ SELECT SUM(value) FROM mytab WHERE class = 2;
     releases locks acquired within it.
    
 
+    
+      Compatibility of lock modes
+     
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+        Modes
+        AS
+        RS
+        RE
+        SUE
+        S
+        SRE
+        E
+        AE
+      
+     
+     
+      
+        AS
+        Y
+        Y
+        Y
+        Y
+        Y
+        Y
+        Y
+        N
+      
+      
+        RS
+        Y
+        Y
+        Y
+        Y
+        Y
+        Y
+        N
+        N
+      
+      
+        RE
+        Y
+        Y
+        Y
+        Y
+        N
+        N
+        N
+        N
+      
+      
+        SUE
+        Y
+        Y
+        Y
+        N
+        N
+        N
+        N
+        N
+      
+      
+        S
+        Y
+        Y
+        N
+        N
+        Y
+        N
+        N
+        N
+      
+      
+        SRE
+        Y
+        Y
+        N
+        N
+        N
+        N
+        N
+        N
+      
+      
+        E
+        Y
+        N
+        N
+        N
+        N
+        N
+        N
+        N
+      
+      
+        AE
+        N
+        N
+        N
+        N
+        N
+        N
+        N
+        N
+      
+     
+    
+