--- /dev/null
+--
+-- Make sure strings are validated
+-- Should fail for all encodings, as nul bytes are never permitted.
+--
+CREATE OR REPLACE FUNCTION perl_zerob() RETURNS TEXT AS $$
+ return "abcd\0efg";
+$$ LANGUAGE plperl;
+SELECT perl_zerob();
+ERROR: invalid byte sequence for encoding "UTF8": 0x00
+CONTEXT: PL/Perl function "perl_zerob"
+CREATE OR REPLACE FUNCTION perl_0x80_in(text) RETURNS BOOL AS $$
+ return ($_[0] eq "abc\x80de" ? "true" : "false");
+$$ LANGUAGE plperl;
+SELECT perl_0x80_in(E'abc\x80de');
+ERROR: invalid byte sequence for encoding "UTF8": 0x80
+CREATE OR REPLACE FUNCTION perl_0x80_out() RETURNS TEXT AS $$
+ return "abc\x80de";
+$$ LANGUAGE plperl;
+SELECT perl_0x80_out() = E'abc\x80de';
+ERROR: invalid byte sequence for encoding "UTF8": 0x80
+CREATE OR REPLACE FUNCTION perl_utf_inout(text) RETURNS TEXT AS $$
+ $str = $_[0]; $code = "NotUTF8:"; $match = "ab\xe5\xb1\xb1cd";
+ if (utf8::is_utf8($str)) {
+ $code = "UTF8:"; utf8::decode($str); $match="ab\x{5c71}cd";
+ }
+ return ($str ne $match ? $code."DIFFER" : $code."ab\x{5ddd}cd");
+$$ LANGUAGE plperl;
+SELECT encode(perl_utf_inout(E'ab\xe5\xb1\xb1cd')::bytea, 'escape')
+ encode
+-----------------------
+ UTF8:ab\345\267\235cd
+(1 row)
+
--- /dev/null
+--
+-- Make sure strings are validated
+-- Should fail for all encodings, as nul bytes are never permitted.
+--
+CREATE OR REPLACE FUNCTION perl_zerob() RETURNS TEXT AS $$
+ return "abcd\0efg";
+$$ LANGUAGE plperl;
+SELECT perl_zerob();
+ERROR: invalid byte sequence for encoding "SQL_ASCII": 0x00
+CONTEXT: PL/Perl function "perl_zerob"
+CREATE OR REPLACE FUNCTION perl_0x80_in(text) RETURNS BOOL AS $$
+ return ($_[0] eq "abc\x80de" ? "true" : "false");
+$$ LANGUAGE plperl;
+SELECT perl_0x80_in(E'abc\x80de');
+ perl_0x80_in
+--------------
+ t
+(1 row)
+
+CREATE OR REPLACE FUNCTION perl_0x80_out() RETURNS TEXT AS $$
+ return "abc\x80de";
+$$ LANGUAGE plperl;
+SELECT perl_0x80_out() = E'abc\x80de';
+ ?column?
+----------
+ t
+(1 row)
+
+CREATE OR REPLACE FUNCTION perl_utf_inout(text) RETURNS TEXT AS $$
+ $str = $_[0]; $code = "NotUTF8:"; $match = "ab\xe5\xb1\xb1cd";
+ if (utf8::is_utf8($str)) {
+ $code = "UTF8:"; utf8::decode($str); $match="ab\x{5c71}cd";
+ }
+ return ($str ne $match ? $code."DIFFER" : $code."ab\x{5ddd}cd");
+$$ LANGUAGE plperl;
+SELECT encode(perl_utf_inout(E'ab\xe5\xb1\xb1cd')::bytea, 'escape')
+ encode
+--------------------------
+ NotUTF8:ab\345\267\235cd
+(1 row)
+
--- /dev/null
+--
+-- Make sure strings are validated
+-- Should fail for all encodings, as nul bytes are never permitted.
+--
+CREATE OR REPLACE FUNCTION perl_zerob() RETURNS TEXT AS $$
+ return "abcd\0efg";
+$$ LANGUAGE plperl;
+SELECT perl_zerob();
+CREATE OR REPLACE FUNCTION perl_0x80_in(text) RETURNS BOOL AS $$
+ return ($_[0] eq "abc\x80de" ? "true" : "false");
+$$ LANGUAGE plperl;
+SELECT perl_0x80_in(E'abc\x80de');
+CREATE OR REPLACE FUNCTION perl_0x80_out() RETURNS TEXT AS $$
+ return "abc\x80de";
+$$ LANGUAGE plperl;
+SELECT perl_0x80_out() = E'abc\x80de';
+CREATE OR REPLACE FUNCTION perl_utf_inout(text) RETURNS TEXT AS $$
+ $str = $_[0]; $code = "NotUTF8:"; $match = "ab\xe5\xb1\xb1cd";
+ if (utf8::is_utf8($str)) {
+ $code = "UTF8:"; utf8::decode($str); $match="ab\x{5c71}cd";
+ }
+ return ($str ne $match ? $code."DIFFER" : $code."ab\x{5ddd}cd");
+$$ LANGUAGE plperl;
+SELECT encode(perl_utf_inout(E'ab\xe5\xb1\xb1cd')::bytea, 'escape')