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

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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
This commit is contained in:
Tom Lane 2023-11-26 16:40:22 -05:00
parent b2caf7c0e1
commit 3558f120f8
2 changed files with 13 additions and 1 deletions
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12
doc/src/sgml/syntax.sgml
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@ -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>

2
src/backend/parser/gram.y
View File

@ -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 '[' ']'