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 37817d06384ce935ce18d37d96d3bca462dcc5dd..4dfbbd0862614ca7d653f88af81024177309d169 100644 (file)
--- a/doc/src/sgml/syntax.sgml
+++ b/doc/src/sgml/syntax.sgml
@@ -1065,6 +1065,18 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
        <entry>unary plus, unary minus</entry>
       </row>
 
+      <row>
+       <entry><token>COLLATE</token></entry>
+       <entry>left</entry>
+       <entry>collation selection</entry>
+      </row>
+
+      <row>
+       <entry><token>AT</token></entry>
+       <entry>left</entry>
+       <entry><literal>AT TIME ZONE</literal>, <literal>AT LOCAL</literal></entry>
+      </row>
+
       <row>
        <entry><token>^</token></entry>
        <entry>left</entry>

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index c224df4eccc9a0808ab0cab7fdfbbb7f4346927e..8c00b119ec469370bb6046822328acaa86e17cc6 100644 (file)
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -858,7 +858,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 %left      '*' '/' '%'
 %left      '^'
 /* Unary Operators */
-%left      AT              /* sets precedence for AT TIME ZONE */
+%left      AT              /* sets precedence for AT TIME ZONE, AT LOCAL */
 %left      COLLATE
 %right     UMINUS
 %left      '[' ']'