Include unary plus in the Operator Precedence table.

Per gripe from Grzegorz Szpetkowski.

Also, change the subsection heading from "Lexical Precedence" (which is
a contradiction in terms) to "Operator Precedence".
This commit is contained in:
Tom Lane 2011-05-04 15:02:34 -04:00
parent 7f1f1bfdbb
commit 671322751a

View File

@ -972,7 +972,7 @@ CAST ( '<replaceable>string</replaceable>' AS <replaceable>type</replaceable> )
</sect2>
<sect2 id="sql-precedence">
<title>Lexical Precedence</title>
<title>Operator Precedence</title>
<indexterm zone="sql-precedence">
<primary>operator</primary>
@ -1039,9 +1039,9 @@ SELECT (5 !) - 6;
</row>
<row>
<entry><token>-</token></entry>
<entry><token>+</token> <token>-</token></entry>
<entry>right</entry>
<entry>unary minus</entry>
<entry>unary plus, unary minus</entry>
</row>
<row>
@ -1065,7 +1065,7 @@ SELECT (5 !) - 6;
<row>
<entry><token>IS</token></entry>
<entry></entry>
<entry><literal>IS TRUE</>, <literal>IS FALSE</>, <literal>IS UNKNOWN</>, <literal>IS NULL</></entry>
<entry><literal>IS TRUE</>, <literal>IS FALSE</>, <literal>IS NULL</>, etc</entry>
</row>
<row>