diff --git a/mysql_client.lua b/mysql.lua
similarity index 99%
rename from mysql_client.lua
rename to mysql.lua
index 4f057a7..de62d61 100644
--- a/mysql_client.lua
+++ b/mysql.lua
@@ -3,7 +3,7 @@
 --Written by Cosmin Apreutesei. Public domain.
 --Original code by Yichun Zhang (agentzh). BSD license.
 
-if not ... then require'mysql_client_test'; return end
+if not ... then require'mysql_test'; return end
 
 local ffi = require'ffi'
 local bit = require'bit'
@@ -973,7 +973,7 @@ local function recv_field_packets(self, field_count, field_attrs, opt)
 		local typ, buf = recv_packet(self)
 		checkp(self, typ == 'DATA', 'bad packet type')
 		local field = get_field_packet(buf)
-		field.to_lua = to_lua or (field.type == 'number' and tonum or nil)
+		field.mysql_to_lua = to_lua or (field.type == 'number' and tonum or nil)
 		field.index = i
 		fields[i] = field
 		fields[field.name] = field
@@ -1023,10 +1023,10 @@ function mysql.connect(opt)
 		return opt
 	end
 
-	local host = opt.host
+	local host = opt.host or '127.0.0.1'
 	local port = opt.port or 3306
 
-	mysql.note('connect', 'host=%s:%s user=%s db=%s',
+	mysql.note('connect', '%s:%s user=%s db=%s',
 		host, port, opt.user or '', opt.db or '')
 
 	local tcp = opt and opt.tcp or require'sock'.tcp
@@ -1113,7 +1113,7 @@ conn.connect = protect(conn.connect)
 
 function conn:close()
 	if self.state then
-		mysql.note('close', 'host=%s:%s', self.host, self.port)
+		mysql.note('close', '%s:%s', self.host, self.port)
 		local buf = send_buffer(1)
 		set_u8(buf, COM_QUIT)
 		send_packet(self, buf)
@@ -1230,7 +1230,7 @@ local function read_result(self, opt)
 					else
 						checkp(self, false, 'unsupported param type %s', bt)
 					end
-					local to_lua = col.to_lua
+					local to_lua = col.mysql_to_lua
 					if to_lua then
 						v = to_lua(v, col)
 					end
@@ -1249,7 +1249,7 @@ local function read_result(self, opt)
 			for i, col in ipairs(cols) do
 				local v = get_str(buf)
 				if v ~= nil then
-					local to_lua = col.to_lua
+					local to_lua = col.mysql_to_lua
 					if to_lua then
 						v = to_lua(v, col)
 					end
diff --git a/mysql_client.md b/mysql.md
similarity index 96%
rename from mysql_client.md
rename to mysql.md
index 5d44155..ef65d0a 100644
--- a/mysql_client.md
+++ b/mysql.md
@@ -1,5 +1,5 @@
 
-## `local mysql = require'mysql_client'`
+## `local mysql = require'mysql'`
 
 MySQL client protocol in Lua. Ripped from OpenResty, modified to work with
 [sock], added prepared statements, better interpretation of field metadata
@@ -9,7 +9,7 @@ changes.
 ## Example
 
 ```lua
-local mysql = require'mysql_client'
+local mysql = require'mysql'
 
 assert(mysql.connect{
 	host = '127.0.0.1',
@@ -93,7 +93,7 @@ The `options` arg can contain:
   * `field_attrs = {name -> attr}` -- extra field attributes. It can also be
   a function which will be called as `field_attrs(cn, fields, opt)`
   as soon as field metadata is received but before rows are received
-  (so you can even set a custom `to_lua` for particular fields).
+  (so you can even set a custom `mysql_to_lua` for particular fields).
 
 For queries that return a result set, it returns an array of rows.
 For other queries it returns a Lua table with information such as
@@ -115,8 +115,9 @@ if MySQL does not return them.
 __NOTE:__ Decimals with up to 15 digits of precision and 64 bit integers
 are converted to Lua numbers by default. That limits the useful range of
 integer types to 15 significant digits. If you have other needs, provide
-your own `to_lua` (which you can set at module or connection level, and even
-per query with `field_attrs`).
+your own `to_lua` (which you can set at module or connection level,
+per query in `field_attrs`, or in a [schema] column definition with
+the `mysql_to_lua` attribute).
 
 ### `cn:query(query, [options]) -> res,nil,cols | nil,err,errcode,sqlstate`
 
diff --git a/mysql_client_print.lua b/mysql_print.lua
similarity index 100%
rename from mysql_client_print.lua
rename to mysql_print.lua
diff --git a/mysql_client_test.lua b/mysql_test.lua
similarity index 98%
rename from mysql_client_test.lua
rename to mysql_test.lua
index 5698ac2..139689c 100644
--- a/mysql_client_test.lua
+++ b/mysql_test.lua
@@ -1,5 +1,5 @@
 
-local mysql = require'mysql_client'
+local mysql = require'mysql'
 local sock = require'sock'
 local pp = require'pp'
 require'$'