Rails4 Model&Migration Generator (WorkInProgress) Cheat Sheet

Migration Scheme Methods

rename_column <table>, <old_column>, <new_column>

Basic Migration Generation

Migration Type	Command prepended by 'rails generate migration '
Add XXX To Table YYY	AddXXXToYYY [CCC CCC ...]
Remove XXX From Table YYY	RemoveXXXToYYY [CCC CCC ...]
Create Table YYY	CreateYYY [CCC CCC ...]
Add References to Table YYY	AddOOORefToYYY
Create Join Tables	CreateJoinTableYYYZZZ

XXX - Migration Name
YYY - Table Name
ZZZ - Second Table Name
OOO - object reference
CCC - Column Combos. Refer to column tables for possiblities

Basic Model Generation

Model Type	Command prepended by 'rails generate model '
Basic Model	XXX [CCC CCC ...]

Column Combos

Basic Column	NNN:TTT
Indexed Column	NNN:TTT:index

NNN - Column Name
TTT - Column Type. Refer to Types for possibilities

Types

:binary

:boolean

:date

:datetime

:decimal

:float

:integer

:primary_key

:references

:string

:text

:time

:timestamp

------ PostgreSQL Specific Types -------

:hstore

:json

:array

:cidr_address

:ip_address

:mac_address

Created By

Wayland He
https://github.com/waylandhe

Metadata

Languages: English

Published: 16th December, 2015
Last Updated: 13th May, 2016
Rated: 5 stars based on 1 ratings

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