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 feb73cf893e4eaae79b0714069cadd0d4f498e1d..0c724cb093f483fc84f56c2a71c8a47dc3dcb845 100644 (file)
--- a/doc/src/sgml/syntax.sgml
+++ b/doc/src/sgml/syntax.sgml
@@ -1021,6 +1021,18 @@ CAST ( 'string' AS type )
        unary plus, unary minus
       
 
+      
+       COLLATE
+       left
+       collation selection
+      
+
+      
+       AT
+       left
+       AT TIME ZONE
+      
+
       
        ^
        left