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Commit 3558f12

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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
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‎doc/src/sgml/syntax.sgml

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@@ -1065,6 +1065,18 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
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<entry>unary plus, unary minus</entry>
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</row>
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<row>
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<entry><token>COLLATE</token></entry>
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<entry>left</entry>
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<entry>collation selection</entry>
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</row>
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<row>
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<entry><token>AT</token></entry>
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<entry>left</entry>
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<entry><literal>AT TIME ZONE</literal>, <literal>AT LOCAL</literal></entry>
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</row>
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<row>
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<entry><token>^</token></entry>
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<entry>left</entry>

‎src/backend/parser/gram.y

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@@ -858,7 +858,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
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%left '*' '/' '%'
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%left '^'
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/* Unary Operators */
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%left AT /* sets precedence for AT TIME ZONE */
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%left AT /* sets precedence for AT TIME ZONE, AT LOCAL */
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%left COLLATE
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%right UMINUS
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%left '[' ']'

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