upsert enhancement

enable upsert to receive formula

minor enhancement column naming

this release is to fix user defined column name which collided with internal mysql keywords

Bugfix RunInTransaction

I've found some issue when running RunInTransaction which cause panic; the fix was to change how the system traverse the context

Sql Update Statement to Support Query Statement

SQL update operation to support query statement as value

Minor Enhancement (support individual in statement)

this changes due to the need to prioritize specific column at select statement

Bugfix missing import of mysql driver for side-effects

v0.0.2

add missing mysql driver for side-effects (#2)

Initial release with basic functions

Initial codes supporting Queryable, Transformer, and RunInTransaction functions.