Added package docs. Added LICENSE file. Added a few TODO items.

LICENSE

@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2012 James Cooper <james@bitmechanic.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -28,6 +28,8 @@ not infrastructure.
 ## TODO ##
 
 * BIG: Sort out NULL value mapping (see Issues below)
+* Add tests for all exp/sql types: int64, int32, float64, []byte
+* AddTable should return existing table if same interface is passed in
 * Optional optimistic locking using a version column
 
 ## Examples ##

dialect.go

@@ -5,14 +5,32 @@ import (
 	"reflect"
 )
 
+// The Dialect interface encapsulates behaviors that differ across
+// SQL databases.  At present the Dialect is only used by CreateTables()
+// but this could change in the future
 type Dialect interface {
+
+	// ToSqlType returns the SQL column type to use when creating a 
+	// table of the given Go Type.  maxsize can be used to switch based on
+	// size.  For example, in MySQL []byte could map to BLOB, MEDIUMBLOB,
+	// or LONGBLOB depending on the maxsize
 	ToSqlType(val reflect.Type, maxsize int) string
+
+	// string to append to primary key column definitions
 	AutoIncrStr() string
+
+	// string to append to "create table" statement for vendor specific
+	// table attributes
 	CreateTableSuffix() string
 }
 
+// Implementation of Dialect for MySQL databases.
 type MySQLDialect struct {
+
+	// Engine is the storage engine to use "InnoDB" vs "MyISAM" for example
 	Engine   string
+
+	// Encoding is the character encoding to use for created tables
 	Encoding string
 }
 
@@ -30,10 +48,12 @@ func (m MySQLDialect) ToSqlType(val reflect.Type, maxsize int) string {
 	return fmt.Sprintf("varchar(%d)", maxsize)
 }
 
+// Returns auto_increment
 func (m MySQLDialect) AutoIncrStr() string {
 	return "auto_increment"
 }
 
+// Returns engine=%s charset=%s  based on values stored on struct
 func (m MySQLDialect) CreateTableSuffix() string {
 	return fmt.Sprintf(" engine=%s charset=%s", m.Engine, m.Encoding)
 }