eaigner/hood — pull request #40 by coocood (2013-01-22 11:13:10+00:00)
Title: Removed Index Type, and move the functionality to tag.

The tag's syntax is like
`sql:"index(.;*/other_column1/other_column2)"`
`sql:"index(*)"`
where "." or "*" is the alias of current field's snake name, "." means normal index, "*" means unique index.
"/" is used to separate column names.
";" is used to separate indexes.