Doc: list AT TIME ZONE and COLLATE in operator precedence table.

These constructs have precedence, but we forgot to list them.
In HEAD, mention AT LOCAL as well as AT TIME ZONE.

Per gripe from Shay Rojansky.

Discussion: https://postgr.es/m/CADT4RqBPdbsZW7HS1jJP319TMRHs1hzUiP=iRJYR6UqgHCrgNQ@mail.gmail.com

diff --git a/doc/src/sgml/syntax.sgml b/doc/src/sgml/syntax.sgml
index 3ba844057fbddfc98b0647f8f5972ea3cd3f949f..dbb1dc80ec1adf49684b5d8a892084e91ca1944e 100644 (file)
--- a/doc/src/sgml/syntax.sgml
+++ b/doc/src/sgml/syntax.sgml
@@ -1065,6 +1065,18 @@ CAST ( 'string' AS type )
        unary plus, unary minus
       
 
+      
+       COLLATE
+       left
+       collation selection
+      
+
+      
+       AT
+       left
+       AT TIME ZONE
+      
+
       
        ^
        left