diff --git a/doc/src/sgml/syntax.sgml b/doc/src/sgml/syntax.sgml index 181d113a415..1e95caa637c 100644 --- a/doc/src/sgml/syntax.sgml +++ b/doc/src/sgml/syntax.sgml @@ -1,5 +1,5 @@ <!-- -$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.40 2001/02/24 18:09:51 petere Exp $ +$Header: /cvsroot/pgsql/doc/src/sgml/syntax.sgml,v 1.41 2001/02/25 16:05:21 petere Exp $ --> <chapter id="sql-syntax"> @@ -905,17 +905,17 @@ sqrt(2) you will sometimes need to add parentheses when using combinations of binary and unary operators. For instance <programlisting> -SELECT 5 ! + 6; +SELECT 5 ! - 6; </programlisting> will be parsed as <programlisting> -SELECT 5 ! (+ 6); +SELECT 5 ! (- 6); </programlisting> because the parser has no idea -- until it is too late -- that <token>!</token> is defined as a postfix operator, not an infix one. To get the desired behavior in this case, you must write <programlisting> -SELECT (5 !) + 6; +SELECT (5 !) - 6; </programlisting> This is the price one pays for extensibility. </para>