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Fix example of de-escaping bytea argument, per Florian Weimer. Also fix example

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of escaping bytea return value. Both cases did not handle backslash values properly.
This commit is contained in:
Andrew Dunstan 2008-01-25 15:28:35 +00:00
parent 353a1cca9f
commit a794b99a31
1 changed files with 3 additions and 3 deletions
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6
doc/src/sgml/plperl.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.66 2007/05/04 14:55:32 adunstan Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.67 2008/01/25 15:28:35 adunstan Exp $ -->
<chapter id="plperl">
<title>PL/Perl - Perl Procedural Language</title>
@ -150,7 +150,7 @@ $$ LANGUAGE plperl;
<programlisting>
my $arg = shift;
$arg =~ s!\\(\d{3})!chr(oct($1))!ge;
$arg =~ s!\\(?:\\|(\d{3}))!$1 ? chr(oct($1)) : "\\"!ge;
</programlisting>
</para>
@ -161,7 +161,7 @@ $$ LANGUAGE plperl;
is how to escape binary data for a return value of type <type>bytea</>:
<programlisting>
$retval =~ s!([^ -~])!sprintf("\\%03o",ord($1))!ge;
$retval =~ s!(\\|[^ -~])!sprintf("\\%03o",ord($1))!ge;
return $retval;
</programlisting>