forgot to check in binary.t. thanks Piotr.

t/binary.t

@@ -0,0 +1,108 @@
+# vi:filetype=perl
+
+use lib 'lib';
+use Test::Nginx::Socket;
+
+repeat_each(2);
+
+plan tests => repeat_each() * blocks() * 3;
+
+$ENV{TEST_NGINX_POSTGRESQL_PORT} ||= 5432;
+
+our $http_config = <<'_EOC_';
+    upstream database {
+        postgres_server  127.0.0.1:$TEST_NGINX_POSTGRESQL_PORT
+                         dbname=ngx_test user=ngx_test password=ngx_test;
+    }
+_EOC_
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: binary mode, default off
+--- http_config eval: $::http_config
+--- config
+    default_type  text/plain;
+
+    location /postgres {
+        postgres_pass       database;
+        postgres_query      "select E'\\001'::bytea as res;";
+        #postgres_binary_mode off;
+        postgres_output     value 0 0;
+    }
+--- request
+GET /postgres.jpg
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+--- response_body chomp
+\001
+--- timeout: 10
+
+
+
+=== TEST 2: binary mode, explicit off
+--- http_config eval: $::http_config
+--- config
+    default_type  text/plain;
+
+    location /postgres {
+        postgres_pass       database;
+        postgres_query      "select E'\\001'::bytea as res;";
+        postgres_binary_mode off;
+        postgres_output     value 0 0;
+    }
+--- request
+GET /postgres.jpg
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+--- response_body chomp
+\001
+--- timeout: 10
+
+
+
+=== TEST 3: binary mode, on
+--- http_config eval: $::http_config
+--- config
+    default_type  text/plain;
+
+    location /postgres {
+        postgres_pass       database;
+        postgres_query      "select E'\\001'::bytea as res;";
+        postgres_binary_mode on;
+        postgres_output     value 0 0;
+    }
+--- request
+GET /postgres.jpg
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+--- response_body eval
+"\1"
+--- timeout: 10
+
+
+
+=== TEST 4: binary mode, on
+--- http_config eval: $::http_config
+--- config
+    default_type  text/plain;
+
+    location /postgres {
+        postgres_pass       database;
+        postgres_query      "select 3::int2 as res;";
+        postgres_binary_mode on;
+        postgres_output     value 0 0;
+    }
+--- request
+GET /postgres.jpg
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+--- response_body eval
+"\0\3"
+--- timeout: 10
+